Posted in: Mobile computers

We put the Motorola XOOM display through its paces and pit it vs. the iPad 2

We have the Motorola XOOM in our hands (finally!) and the first thing we got to test is its display. We’re working on a full-blown review too but the screen is such a central component to the tablet experience that it’s one of the first things we started assessing.

We’ll be using iPad 2 as the yard stick for this comparison – it’s just so popular that most of you have probably seen one at some point and will have grounds for comparison. Plus the iPad family is the trend setter in this developing market niche.


The Motorola XOOM in the hand * XOOM and iPad 2 side by side

The screen of the XOOM measures 10.1” with 1280 x 800 pixels resolution (it’s a regular TFT unit). The iPad 2 screen measures 9.7” and it’s IPS TFT unit with 1024 x 768 pixels resolution. The difference in aspect ratio is apparent but not very big.

The pixel density however is slightly in favor of the XOOM due to its higher resolution – it’s 149ppi for the XOOM and 132ppi for the iPad 2. The difference isn’t big enough for a startling difference in sharpness but it’s there.

Tablets are held further away from the eyes than phones so that pixel density is good enough. Consider that a 15” laptop with 1366 x 768 pixels resolution (a very popular resolution among laptops) has much lower pixel density and you’ll hold a tablet about as far away as you would a laptop.

Viewing angles however are another matter – the IPS technology of the iPad 2 screen comes into play here and the keeps color shift and contrast degradation to a minimum, whereas the vanilla TFT on the XOOM is affected very easily from a change in viewing angle. While that may not be a problem with a single user, sharing a move or photos with a friend might turn tricky.

Even shallow angles are enough to make gradients appear flat and to shift colors into different hues. Check out these photos, you’ll easily spot the XOOM.


Motorola XOOM (left) and iPad 2 (right) screens viewed at an angle

When it came to measuring the brightness and contrast of the display, the Motorola XOOM surprised us – it turned out the display is as bright as the one on the iPad 2 but the contrast ratio is through the roof.

We measured a contrast of 2041 : 1 with the brightness at 100% – that’s more than double than what most phone screens do and more than double the iPad 2 screen contrast ratio too. Even reducing the brightness at 50% kept the contrast extraordinarily high.

Here’s a table with exact numbers, comparing the XOOM, iPad 2 and some mobile phone screens (the best ones we’ve tested) for reference.

Display test 50% brightness 100% brightness
Black, cd/m2 White, cd/m2 Contrast ratio Black, cd/m2 White, cd/m2 Contrast ratio
Motorola XOOM 0.12 216 1853 0.21 436 2041
Apple iPad 2 0.18 167 925 0.55 429 775
Apple iPad 0.21 178 834 0.53 410 776
iPhone 4 0.14 189 1341 0.39 483 1242
LG Optimus Black 0.27 332 1228 0.65 749 1161
Sony Ericsson Xperia Arc 0.03 34 1078 0.33 394 1207

Sunlight legibility isn’t the strong suite of the XOOM display – text remains reasonably readable but only if you manage to find out an angle that doesn’t have the screen reflecting something. Which is a tall order considering the display feels more like a mirror sometimes rather than a screen meant to be used outside.

That reflectivity of the screen also reduces the apparent contrast ratio – there’s almost always something reflecting onto the black and white colors spoiling the otherwise excellent contrast of the screen.

Now that’s about it, standby for the full review – we’ve got plenty more on the Motorola XOOM to test so be patient as we run all our usual thorough tests. We also prepared a XOOM vs. iPad 2 comparison table to give you an idea what we’re dealing with here:

 
iPad 2
XOOM
OS
iOS 4.3
Android 3.1
Display
9.7-inch
LED-backlit IPS LCD
10.1-inch
TFT LCD
Resolution
1024 x 768
1280 x 800
Height
Width
Thickness

241.2mm
185.7mm
8.8mm
249.1mm
167.8mm
12.9mm
Weight
601 grams
730 grams
Processor
1Ghz dual-core
Cortex-A9 processor
1Ghz dual-core
Cortex-A9 processor
Storage
16GB / 32GB / 64GB
16GB / 32GB / 64GB
microSD card slot
no
yes, up to 32GB
Front camera
0.3MP VGA
2.0MP
Rear camera
0.7MP Fixed-Focus
720p video
5.0MP Auto-Focus with
dual-LED Flash
720p video
Wi-Fi
802.11 a/b/g/n
802.11 a/b/g/n ; dual-band
Network
HSPA 850, 900, 1900, 2100;
GSM/EDGE 850, 900, 1800, 1900
CDMA/1xEV-DO
HSPA (LTE via upgrade); 2100
EDGE/GPRS 850/900/1800/1900
CDMA/1xEV-DO
USB
USB 2.0 (Host with Adapter)
USB 2.0 (Host with Adapter)
HDMI
Yes, via adapter
micro-HDMI
Bluetooth
2.1 + EDR
2.1 + EDR
Battery
25Wh
25Wh
Price
(Wi-Fi only)
$499 (16GB)
$599 (32GB)
$699 (64GB)
$530 (16GB)
$599 (32GB)
$??? (64GB)
Availability
Currently available
Currently Available
Sensors
Gyroscope, Accelerometer, Digital Compass, Ambient Light Sensor
Gyroscope, Accelerometer, Digital Compass, Ambient Light Sensor, Barometer

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