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Results: Pixel Response And Input Lag

AOC E1659FWU And GeChic On-Lap 1502I: Portable Monitors, To Go
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To perform these tests, we use a high-speed camera that shoots at 1000 frames per second. Analyzing the video frame-by-frame allows us to observe the exact time it takes to go from a zero-percent signal to a 100% white field.

The pattern generator is placed at the base of the monitor so our camera can capture the precise moment its front-panel LED lights up, indicating that a video signal is being received by the monitor. With this camera placement, we can easily see how long it takes to fully display a pattern after pressing the button on the generator’s remote. This testing methodology allows for accurate and repeatable results when comparing panels.

Here’s a shot of our test setup. Click on the photo to enlarge.

The brighter section of the camera’s screen is what will actually appear in the video. You can see the lights of the pattern generator in the bottom of the viewfinder. We flash the pattern on and off five times and average the results.

Unfortunately, we weren’t able to connect AOC's E1659FWU to our pattern generator for this test, so we’re only able to show results for GeChic's On-Lap 1502I.

The On-Lap’s screen draw performance matches that of other IPS panels we’ve tested. Our historical data shows clearly that resolution and screen size do not affect the results. All the IPS monitors we’ve tested this year complete a full black to white transition in 20 to 24 milliseconds.

Next up are the lag measurements.

There are no major differences here either. All of the IPS monitors we’ve measured refresh at 60 Hz, and they all exhibit input lag between 52 and 94 milliseconds. It seems the only way to significantly improve this metric is to increase the refresh rate.

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  • 0 Hide
    g-unit1111 , January 2, 2014 12:58 AM
    Interesting, I'm interested in getting one of the USB displays but the resolution is keeping me from purchasing one. I'd like to see how the AOC monitor compares to the ones being offered from Asus, HP, Dell, and so on and so forth.
  • 0 Hide
    mathew7 , January 2, 2014 3:47 AM
    So....I am looking for a few years for a small (15" would be limit) portable VGA+HDMI monitor (as in not a bulky stand). I don't need FullHD resolution, but it should accept it.

    In a related note, I have been thinking about a laptop-styled monitor+keyboard (and maybe mouse/touchpad) but to be plugged into a desktop PC. You know...when you receive a PC case (or go to someone) and have to debug it. But again, 15" is already big (I'm using a 12.5" thinkpad when not at my gaming/workstation PC).
  • 0 Hide
    Amdlova , January 2, 2014 4:45 AM
    can connect to smart phone!???
  • 0 Hide
    ceberle , January 2, 2014 9:16 AM
    You can connect the On-Lap to a phone or tablet via its HDMI/MHL port. The AOC will only work via USB.

    -Christian-
  • 0 Hide
    Nicolai8086 , January 2, 2014 10:47 PM
    When can we expect a Miracast (or WiDi) version of these screens?
  • 0 Hide
    CrisCrossed , January 3, 2014 7:19 AM
    Two words:
    Able HD
    http://www.able-hd.com
    One of the most funded projects on kickstarter. These guys make portable monitors that are HD and really cheap. Unfortunately, they still have their flaws (the circuit board is exposed and not attached to the screen) but you cannot beat the price/performance.
  • 0 Hide
    Nicolai8086 , January 3, 2014 7:23 AM
    The weight is impressive, but i wouldn't call 17" portable.
  • 0 Hide
    g-unit1111 , January 3, 2014 10:00 AM
    Quote:
    Two words:
    Able HD
    http://www.able-hd.com
    One of the most funded projects on kickstarter. These guys make portable monitors that are HD and really cheap. Unfortunately, they still have their flaws (the circuit board is exposed and not attached to the screen) but you cannot beat the price/performance.


    I have to say after reading about these that I do want one. When my laptop's primary display is 1920 x 1080, why would I want to add a second monitor that's 1366 x 720?
  • 1 Hide
    egaskill , January 3, 2014 11:12 AM
    Portable display for Raspberry Pi?
  • 0 Hide
    CrisCrossed , January 3, 2014 12:15 PM
    Quote:
    I have to say after reading about these that I do want one. When my laptop's primary display is 1920 x 1080, why would I want to add a second monitor that's 1366 x 720?

    I'm sorry, I mistyped. The monitor is actually a FHD (1080p) display, and it comes in 15.6 and 17 inch screens. I hope this helps. I'm ordering mine soon to use with a LAN box.
  • 0 Hide
    CrisCrossed , January 3, 2014 12:15 PM
    Quote:
    I have to say after reading about these that I do want one. When my laptop's primary display is 1920 x 1080, why would I want to add a second monitor that's 1366 x 720?

    I'm sorry, I mistyped. The monitor is actually a FHD (1080p) display, and it comes in 15.6 and 17 inch screens. I hope this helps. I'm ordering mine soon to use with a LAN box.
  • 0 Hide
    CrisCrossed , January 3, 2014 12:16 PM
    I apologize for the double (now triple) post - toms hardware keeps reloading on me.
  • -1 Hide
    gondor , January 3, 2014 12:49 PM
    Too expensive (that damn thing costs more than a Nexus 5 with better specs ?!), too weak hardware (why go for Snapdragon 600 when 800 can easily fit into desktop form factor, given that it works just fine in mobile phones ?).

    Hopefully this thing has (micro)SD card support and unlocked bootloader. Wired networking support woudl be a big plus too.

    If folks at Acer come to their senses regarding the pricing and the SoC.and sort out the feature set they might just be able to start the new PC revolution IT analysts have been predicting for 2015(-ish), one without x86 and Microsoft's Windows. With Ubuntu working on their mobile touch-enabled OS I can see them clinching a piece of the pie too.
  • 0 Hide
    rwinches , January 4, 2014 2:01 AM
    1080p
    ASUS $219
    http://www.amazon.com/MB168B-15-6-Inch-Screen-LED-Lit-Monitor/dp/B00H0FK2A6/ref=sr_1_2?s=electronics&ie=UTF8&qid=1388829044&sr=1-2&keywords=asus+usb+monitor
  • 0 Hide
    waynesjw , February 27, 2014 4:52 PM
    Quote:
    So....I am looking for a few years for a small (15" would be limit) portable VGA+HDMI monitor (as in not a bulky stand). I don't need FullHD resolution, but it should accept it.In a related note, I have been thinking about a laptop-styled monitor+keyboard (and maybe mouse/touchpad) but to be plugged into a desktop PC. You know...when you receive a PC case (or go to someone) and have to debug it. But again, 15" is already big (I'm using a 12.5" thinkpad when not at my gaming/workstation PC).
    Check out Gechic's other products on Amazon and www.Icitouchtech.com
  • 1 Hide
    waynesjw , February 27, 2014 4:53 PM
    Quote:
    Portable display for Raspberry Pi?
    Ya, Gechic 13.3" 1302 would be perfect for that. VGA or HDMI input
  • 1 Hide
    Viviian , March 20, 2014 3:13 PM
    found this amazon link helpfulhttp://www.amazon.com/Projected-Capacitive-Touchscreen-Compatible-thickness/dp/B00DS18ZTG/ref=sr_1_2?ie=UTF8&qid=1395338266&sr=8-2&keywords=gechic