Xperia U Sony

  • clock speed
    1
    GHz
  • RAM
    0.5
    GB
  • size
    3.5
    inches
  • resolution
    279
    ppi

Galaxy Ace 2 Samsung

  • clock speed
    0.8
    GHz
  • RAM
    0.75
    GB
  • size
    3.8
    inches
  • resolution
    245
    ppi

Review Breakdown

Sony Xperia U vs Samsung Galaxy Ace 2

Display

PPI, brightness, contrast ratio in sunlight and contrast ratio
8.0
7.9

Processing power

linpack and sunspider
5.5
5.5

Camera

sensor size and aperture
5.5
5.5

Music

voice volume and music volume
9.2
9.2

Geekaphone Score

We don't have enough data yet to reach a conclusion

Detailed Comparison

display

Size
3.5"
3.8"
Resolution
854 x 480 (279 ppi)
800 x 480 (245 ppi)
Panel
TFT LCD (RGB)
PLS LCD (RGB)
Brightness
515 cd/m²
500 cd/m²
Contrast in sunlight
1.758
1.566
Surface
Scratch-resistant glass
None
Video out
720p (Micro USB with MHL)
720p

processor

System on a chip
ST-Ericsson Nova Thor (U8500)
ST-Ericsson Nova Thor (U8500)
CPU
1 GHz, ARM Cortex A9
0.8 GHz, ARM Cortex A9
Architecture
Dual core
Dual core
Linpack
64.9
54.9
Quadrant
--
--
GPU
ARM Mali-400
600 MHz, ARM Mali-400
Architecture
Single core
Single core
GL benchmark 2.5
--
--
Epic citadel
--
--
Basemark x
--
--
RAM
0.5 GB
0.75 GB

camera

Lens
f/2.0, 4 mm (30 mm equiv.)
f/2.8, 4 mm (30 mm equiv.)
Resolution
5 MP (2592 x 1944)
5 MP (2592 x 1944)
Sensor
1/3" (4.8 mm × 3.6 mm)
1/3" (4.8 mm × 3.6 mm)
Light sensitivity
--
--
Flash
LED
LED
Autofocus
Yes
Yes
Image stabilization
Digital
None
Panorama
Yes
Yes
Continuous shooting
None
None
Aperture
f/2.0
f/2.8
Secondary camera
0.3 MP
0.3 MP

video

Video resolution
1280 x 720 @ 30 fps
1280 x 720 @ 30 fps
Video file format
MP4 H.264/MPEG-4 AVC
MP4 H.264/MPEG-4 AVC
Maximum bitrate
14 Mbps
30 Mbps
Video light
Yes
Yes

battery

Type
Lithium-Ion Polymer (Removable)
Lithium-Ion (Removable)
Capacity
1,320 mA·h
1,500 mA·h
Talk time
336 min
450 min
Standby time
28,320 min
38,400 min
Tested
3G talk time
--
462 min
Web browsing
--
443 min
Video playback
--
450 min

music

Speaker
Stereo (Back)
Stereo (Back)
Frequency response
+0.03, -0.04
+0.20, -0.27
Noise level
-87.3 dB
-88.7 dB
Headphone
3.5 mm
3.5 mm
Frequency response
+0.45, -0.10
+0.37, -0.08
Noise level
-86.4 dB
-88.6 dB
FM radio
Receive
Receive

form factor

Size
54 x 112 x 12 mm
62.2 x 118.3 x 10.5 mm
Weight
110 g
122 g
Body
Plastic
--
Keyboard
None
None
Buttons
Home, Volume, Back, Multitask, Camera
Home, Volume, Back, Multitask

software

Operating system
Android 2.3
Android 2.3
Upgradable to
Android 4.0
Android 4.1.2
Custom UI
--
--
Onscreen keyboards
--
--
Sunspider
2,814 ms
2,997 ms

connectivity

Network
3.5G, HSDPA (7.2 Mb/s)
3.5G, HSDPA (7.2 Mb/s)
WiFi
802.11b/g/n (Hotspot)
802.11b/g/n (Hotspot)
NFC
No
Yes
Bluetooth
2.1+EDR
3.0
USB On-the-Go
Yes
--

features

Internal storage
8 GB
4 GB
Supported card formats
None
microSD
Included accessories
--
Charger
SIM card
--
Mini-SIM
Speaker volume (Voice)
65.7 dB
66.8 dB
Speaker volume (Music)
65.1 dB
66.2 dB
Special-features

sensors

Location
A-GPS
A-GPS, GLONASS
Gyroscope
No
No
Accelerometer
Yes
Yes
Light sensor
Yes
No
Proximity sensor
Yes
Yes
Compass
Yes
Yes
Thermometer
No
No
Barometer
No
No
Hygrometer
No
No