Showing posts with label lenovo. Show all posts
Showing posts with label lenovo. Show all posts

Wednesday, February 8, 2012

lenovo z470 magnetized spots

magnetized spots

In response to a comment made in my lenovo z470 review, there was a coment about magnetized spots. Using a paperclip I have confirmed that yes there are magnetized spots. I could find 3, all shown as red on the pic above.

Without opening my laptop I really can't tell why there are magenets there. Its far away from the speakers and there are no obvious motors there. Any fan should have shielded magnets.

This probably poses no hazard since magnetic media like floppy discs and cassette tapes are rare these days.

Thursday, December 1, 2011

lenovo ideapad z470 review - part 3: 3D benchmarks

Back to part 2: CPU benchmarks

OK Welcome to part 3 of my informal review., 3D benchmarks. Again, all resolutions will be the native resolution. 1280x1024 for the desktop and 1366x768 for the laptop, unless it is unsupported. In that case I'll go down to 720p or 1280x720.







3dmark 2011, basic edition, "P" presets (1280x720)

desktop: P 1071
laptop: P 3358



Batman arkham asylum, steam. very high detail level, physx normal

desktop :
min = 22, max=  97, ave = 72
laptop run :
min = 22, max = 61, ave = 43

lets lower the phsx from normal to off

desktop: min = 41, max = 231, ave = 127
laptop: min = 21, max = 95, ave = 69


Devil may cry 4 benchmark. Desktop @ 1280x1024, laptop @ 1280x720. All settings at super high, AA off. The scores are FPS for scenes 1 through 4

desktop: 198, 182, 221, 133. Rank S
laptop: 85, 58, 109, 60. Rank A


Jianxia 3 benchmark. MSAA 4x, realtime shadow very high, post effect on. physx on

desktop: ave = 62, min = 6, max = 107
laptop: ave = 27, min = 7, max = 43


JX3 benchmark. physx off

desktop: ave = 36, min = 4, max = 109
laptop: ave = 19, min = 1, max = 39

JX3 benchmark. cuda accelerated animation bench. cuda on

desktop: ave = 32, min = 29, max = 34
laptop: ave = 13, min = 13, max = 16

JX3 benchmark. cuda accelerated animation bench. cuda off

desktop: ave = 12, min = 11, max = 20
laptop: ave = 11, min = 9, max = 17



Cinebench 64 bit 11.5 openGL test
desktop: 31.94fps
laptop: 21.41



Mafia 2, steam. AA off, shadow quality high, ambient occlusion on, anisotropic filtering 1x, geometry detail high, physx medium

desktop: 20.9, rank D
laptop: 20.7, rank D

with phsyx off

desktop: 44.7, rank C
laptop: 30.8, rank D


Just cause 2 steam, dark tower test. texture detail high, shadows high, AA off, anisotropic filtering 16x, water detail very high, objects detail very high, decals on, soft particles on, high res shadows on, SSAO high, point light specular on

desktop: 38.02fps
laptop: 24.28

Unigene heaven basic edition, dx 11. shaders high, tesselation normal, asnisotropy 4, AA off

desktop: 1432
laptop: 375


Lost planet 2 benchmark dx 11 test A. AA none, motion blur on, shadow detail high, texture detail high, rendering level high, DX 11 features high

desktop: 54.7 fps
laptop: 16.7 fps


Lost planet 2 benchmark dx 11 test B. AA none, motion blur on, shadow detail

high, texture detail high, rendering level high, DX 11 features high

desktop: 30.3 fps
laptop: 10.3 fps


So, except for one test, Mafia 2 physx on, the desktop pretty much wins. This is expected as games lean heavily on the GPU, and my desktop has a better GPU which wins over the faster CPU of the laptop. But this is not unexpected as this is not a real hardcore gaming laptop. But its quite capable nonetheless. I've played batman AA on it with physx off and the settings down one click and its very playable.

OK thats part 3. Next is part 4, hard drive benchmarks

the end

Wednesday, November 23, 2011

lenovo ideapad z470 review - part 2: CPU benchmarks

OK welcome to part 2 of my review. I'll do several synthetic and real world benchmarks comparing my new laptop to my 2 year old desktop pc.

My new laptop's specs are listed in part 1 of the review.

I will have nvidia optimus on, using the NVIDIA GPU for 3d and cuda. At all times I will be using the laptop's own monitor at its native resolution, 1366 x 768. The laptop will be connected by wifi to the router and the desktop will use the LAN and the DSL modem will be on but no programs will be downloading. The laptop will first use balanced and high performance power settings. If no difference is found, I'll use balanced.

Both laptop and desktop will use the usual startup programs that I commonly use. Athough they dont use the same startup programs, I wanted this test to be like the way I use a PC, so I will accept the slight loss in accuracy due to not being able to control this factor. Plus the effect should be small anyway.

Oh and I updated my geforce drivers from 267.x to 285.x

My old desktop's specs are as follows:
  • win 7 64 bit
  • 1280x1024 LCD monitor
  • Intel c2d e8200 @ 2.66 mhz
  • inno 3d geforce 560ti
  • 4 gigs ddr2 ram
  • 1 terabyte WDC black hard drive


Lets start with pcmark 7 v104 trial, all default settings. Since this is a trial version, you really cant change many settings. I'll try both high performance and balanced settings.

  • laptop balanced : 1157 pcmarks
  • laptop high performance : 1770 pcmarks
  • desktop : 2215 pcmarks

Ok thats significant. Lets go ahead to the 3d benchmarks and try a 3d benchmark first. unigene heaven 2.1 dx11 all default settings to see  if we need to change the laptop's power profile.

  • desktop : ave FPS = 54.9, score = 1383
  • laptop high performance : ave FPS = 13.8, score = 399
  • laptop balanced :  ave FPS = 13.8 , score = 349

Hmm. I guess that the GPU is bottlenecking the test so even if the balanced plan lowers the CPU speed a bit, it wont matter. OK, so from now on we stay with the high performance plan.

Lets try more CPU benchies


winrar 64bit v 3.93 trial
  • laptop: 1885 KB/s
  • desktop: 1289 KB/s

Passmark performance test 7 build 1025

  • desktop: 1262.8, cpumark = 2203.7, 3d = 2469.6, disk = 735.6
  • laptop : 1152.7, cpumark = 2943.2, 3d = 555.2, disk = 623.5

    Cinebench 64 bit 11.5 CPU test
    • desktop: 1.37
    • laptop: 2.03

    coresmark 2010
    • desktop: 567.15447 secs, worldwide rank #3425
    • laptop: 251.67977 secs, worldwide rank #2705
    Quite a big difference. This is a multi core benchmark so I expect the hyperthreading in the core i3 to make itself known


    So in summary, the core i3 is the faster CPU. Lets try video transcoding. All tests will be converting a 128 mb 640x480 mpeg-2 movie to iphone format, H 2.64



    Badaboom TRIAL v2.0.0.128
    • desktop: 245 fps, 0:32
    • desktop no CUDA: 96 fps, 1:22
    • laptop: 83 fps, 1:33
    • laptop no CUDA: 129 fps, 1:01

    Freemake v2403, convert to iphone 4. CUDA hardware acceleration set to auto detect
    • desktop: 1:19
    • laptop: 0:59

    Arcsoft media converter 7.1.0.98 trial
    • desktop CUDA: 2:24
    • desktop CPU only : 1:23
    • laptop CUDA: 2:41
    • laptop CPU only: 0:41
    • laptop quicksync: 0:36

    Its puzzling that the CUDA actually DECELLERATED the conversion on the laptop and the desktop. Must be something wrong with the coding. Tried it again with the same results. Also take note that quicksync does give a small improvement.


    Movavi video converter 11.0.1 trial
    • desktop: 43
    • laptop: 50

    Interesting. the faster GPU can compensate. Lets try that again with CUDA off
    • desktop: 1:46
    • laptop: 1:40

    Wondershare video converter ultimate 5.6.1, convert to H.264 iphone 3 format

    CUDA on
    • desktop: 1:03
    • laptop: 0:51
    CUDA off
    • desktop: 3:09
    • laptop: 2:15

      ConvertXtoDVD 4.1.19.365c free, convert to DVD, burn to ISO after conversion
      • desktop: 110 fps, 1:17, 1:43 including burning ISO (0:26 for the burning only)
      • laptop: 140 fps, 0:58, 1:24 including burning ISO (0:26 for the burning only)
      This software AFAIK doesnt use CUDA so its pretty much pure CPU

        Results pretty much mirror the pure CPU tests. The core i3 is faster. But if we put CUDA in the picture, results are dependent on how each video transcoding program uses CUDA. Some use it so well that the desktop's faster GPU compensates for the slower CPU, some dont. Special mention to media converter since CUDA decellerated conversion and quicksync only made a small difference. I'm kinda disappointed to tell the truth. I was expecting a bigger speed increase going from c2d to core i3 second gen.

        OK thats it. Watch out for more parts to this review in the future. I plan 3d benchmarks, hard drive benchmarks and network benchmarks.

        NEXT to Part 3, 3D benchmarks.

        UPDATE: Added pictures and links to the software makers

        the end

        Wednesday, November 16, 2011

        windows family raffle - i'm not qualified


        I'm a bit disappointed that I do not qualify for the windows family raffle. I bought a Lenovo Z470 recently with win 7 home. If you look closely at the rules, my local SM is not included and I missed the nov 14 start date by 3 days. Oh well.


        Buy genuine Windows 7 software and get a chance to win a brand new Mitsubishi Montero Sport, a trip to Singapore, a Windows Phone family package or family dinner at Circles Event Cafe.
        *Applicable to both purchases with a PC/Laptop or FPP SKUs
        **Starter not included

        the end

        Saturday, November 12, 2011

        lenovo ideapad z470 review - part 1

        Hi. This is going to be a rather quick informal review of my new Lenovo z470 laptop. I'll divide it into at least 2 parts since it might be a long document. Again, this is informal so dont expect too detailed discussions as I will tend to concentrate on points that I deem important.

        Part 1.a : Introduction and Outside appearance

        Ok I bought this in the lenovo store in SM city, san Fernando Pampanga. I have a 7 year old IBM laptop and the backlight is starting to fail. I already had it fixed once but it cuts out from time to time so I guess its time to replace it. Cash, it cost me Php 32,500 pesos.

        Freebies are a keyboard protector, a shoulder bag, windows home premium, Open office 3, 4 gig ram and a package. The package either consists of a rather low quality wired mouse and headset (intex brand) or a 4 gig flash drive/sd card. Various brands of flash drives are available but the SD card (micro sd plus adaptor) is transcend brand. Unfortunately its only SDHC class 2. But I aded 200 pesos to upgrade the 4 gig sd card into an 8 gig one. You can also pay more to get other versions of win7 OS.

        Specs are quite OK.
        • Intel core i3 2330M @ 2.2 ghz
        • 4 gigs PC3-10700 DDR3 ram. Curiously, the first stick is Transcend brand and the second is Nanya brand. Oh well, as long as it works and it does run in dual channel mode
        • 2 gig geforce 540m + built in Intel graphics, switchable, using optimus technology.
        • 750 gig western digital SATA hard drive
        • dual layer DVD reader/writer
        • 14 inch screen 1366 x 768. Actual size 31 cm width, 27.7cm height, 35.7cm diagonal
        • multitouch (I think) touch pad
        • 4-in-one card reader
        • bluetooth
        • wifi-N
        You can get the official PDF flyer here.

        My personal requirements for a laptop were not high. Pretty much for surfing and office work and maybe for downloading overnight. Any decent CPU and GPU would do. However I insisted on a large HD, a large screen and 4 gigs ram for snappy performance. But since on this laptopo, the CPU is pretty OK and it has CUDA as well as Intel Quick Sync, I might use it for video transcoding. For games, I have an old desktop with a core 2 duo and a geforce 560ti.

        I chose lenovo because it has a good reputation and I used to have an IBM. Plus, they opened a store in my local SM which gave good prices and freebees.

        As for initial impressions, I'm pleased. The back of the lid is glossy but that makes it into a fingerprint magnet. Screen is clear and nice. No dead pixels.

        IMG_0082

        IMG_0086



        IMG_0106

        Keyboard has some space in between the keys. Typing is more better comfortable than some netbooks I tried since the keys have some space. Being Lenovo I would expect no less since they have a rep for good laptop keyboards. Sorry but I cant be more specific than that. It just feels OK typing and thats. My previous laptop was an old IBM thinkpad R51E.

        Caps lock tends to get hit accidentally because of the tight spacing between it and the A key but I just set windows to beep whenever I press it. The home and pgup keys are close to the backspace and enter keys respectively so they sometimes get hit.

        UPDATE: Another problem is that the DEL key is very small plus the DEL and BACKSPACE and HOME keys are very very close to one another. The problem with this is you might hit the HOME key by mistake and if you did not notice, you would start typing with the cursor moved to the start of the line.

        IMG_0108

        I never liked touchpads and this touchpad is no different. The pencil eraser like TrackPoint on my old IBM is much better. But I have to make do. I eventually turned off the function that interprets a tap on the touchpad as a left mouse click to reduce errors.  I havent fully explored the multitouch but so far, 2 fingertips going closer or farther from each other seems to just increase or decrease font size in firefox. I just re-use my old beat up logitech mouse. Its much more responsive than the trackpad.

        The increase from 2 to 4 USB ports is welcome. Although they are only usb 2.0, thats an acceptable trade off for the price. The right rear usb port does sometimes interfere with the power cord.

        IMG_0111

        And while on the subject of the power cord, I have found out that the position of the power outlet plus the L-shape of the power  cord's end makes the cord more prone to fouling when picking up the laptop and repositioning it. My old laptop had a straight plug and the power port was on the back, out of the way.

        Haven't tested the optical drive yet for burning but the ergonomics of the eject button is bad. Its hidden from view if you are above the laptop and it barely sticks out so it is difficult to feel with your fingers. To top it off, its a bit difficult to push. I can imagine sticking a piece of rubber on the button in the future.

        IMG_0115

        The exhaust is on the left side. A quick test shows that the exhaust can get a bit uncomfortable specially if the laptop is working. Heat will eventually conduct through the plastic bottom and sometimes it might be too hot for your lap. However as long as you keep the intake ports clear and you do not load the laptop like running a CPU or GPU intensive app, the temp at the bottom of the laptop is acceptable.

        Using the software PCwizard and Coretemp, and GPU-z, I measured the temps. Energy management mode was set to "balanced" and thermal management was set to "efficient thermal dissipation". All temps in degrees C. The laptop is placed on my table to ensure more or less OK airflow under the laptop
        • Room temp = 28
        • idle = CPU 51, GPU 43
        • Load using MSI Kombustor GPU burn in = CPU 73, GPU 77
        • Transcoding a DVD (files on the HD) to ipod, using Badaboom TRIAL v2.0.0.128 = CPU = 71, GPU = 67 (only around 60-70% load)

        The bezel surrounding the screen sticks out a fraction of a millimeter on the right side of the screen so you can use your fingernail to raise it a bit. But this is only a small problem. This is the only thing I can see that reflects bad build quality, aside from the fingerprint magnet. No obvious scratches or poor workmanship. Then again, I'm no expert with regards to build quality, so don't take my word for it.

        Part 1.b. Accompanying software, drivers and related features

        Lenovo has several drivers and software that make things easier. I'll go through some of them

        Battery life is claimed to be 2-3 hours but I havent tried it yet. An interesting note is that the battery software can be told to optimize the charging profile for either battery life or battery health. If you choose battery life, then the battery will charge up to ~100%. If you choose health, the batt will only charge up to ~50%. This will decrease battery life to 1 hour using balanced or 1.5 hours using the power saver setting but since the battery is not stressed out, it will last longer before needing replacement. This setting is recommended if you mostly use the laptop while plugged in.

        I did use the built in software to recalibrate the battery lifespan value, but I did not do any battery life benchmarks, so the above values are approximate.

        On the left right front is a selector switch. Basically wifi on or off, although I'm not sure if bluetooth is included. On the right left front is the Optimus on/off switch.


        Optimus technology essentially means that the laptop has a power thrifty Intel video card and another discrete Nvidia video card. If optimus is off, only the intel video card is active. If optimus is on, the laptop by default uses the intel vid card but switches to the nvidia when CUDA is needed or you run gpu accelerated stuff like games. I'll try this out in part 2 with benchmarks.

        Microsoft security essentials antivirus is included.

        CPU temp at idle is a little high at ~ 65 deg C at idle while GPU temp is ok at 55 deg C. At load using MSI Kombustor 2.0.0, I get CPU and GPU temps of 70+ deg C.

        Lenovo has something called onekey theatre. A button on the upper right controls it. Basically the settings are always off, always on and automatic or intelligent. Intelligent means the software decides when to turn it on or off. While off, the colors look a bit muted and light. while on the color and detail pops out.

        I'm not gonna review the speakers. They are loud enough and quality is OK. I'm not that picky.

        So to end part 1, I can say that the quality and value for money is quite good. I say 4/5 stars. But again, this is not a formal review and my requirements are not that high.

        A future blog post will be part 2 of this review, benchmarks. So stay tuned!

        update: Part 2 is online!

        The end.

          Thursday, January 14, 2010

          Lenovo is changing its keyboards

          I'm worried

          * will the chiclet keyboard be less comfortable to type?

          * MMORPG players will have problems with the Fkeys. Dont laugh, it happens

          in reference to: Lenovo bucks tradition, ditches SysRq button on some keyboards - News - PC Authority (view on Google Sidewiki)

          Wednesday, January 6, 2010

          I need a full size, long battery life laptop

          I'm just thinking about replacing my old lenovo r51e

          requirements

          * full size keyboard
          * 13-15 inch screen. Preferably 4:3 but widescreen will do. I dont want a small screen so netbooks wont do. Actually I will be using this more for surfing the net and reading ebooks so vertical height of the screen is important
          * any cpu, any gpu
          update: i'm partial to an i series cpu, the low power models. Why? because an i series (for intel at least) guarantees its a new model
          * actual 6 hours or more of battery life while surfing the net with wifi. We know that the batt life in advertisments is BS
          * 2 gigs or more of ddr3 sodimm. must be expandable to 4 gigs ddr 3. Or as an alternate, ddr2 but already 4 gigs once bought.
          * any optical drive
          * local warranty

          I'm not in a hurry. I'm just testing the waters so when I buy in 1 or 2 years i know what to get
          budget : < 50k
          use: surfing the net in malls, reading ebooks, typing

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