Screen size
E900 Optimus 73.8"
Q31Winner: 5.7"+33%
Quick verdict
Q31 leads the measured specs 14-0.
Measured wins
E900 Optimus 7
0
spec wins
Ties
3
equal specs
Q31
14
spec wins
Overall winner
Screen size
Technology
E900 Optimus 7
GSM / HSPA
Q31
GSM / HSPA / LTE
2G bands
E900 Optimus 7
GSM 850 / 900 / 1800 / 1900
Q31
GSM 850 / 900 / 1800 / 1900
3G bands
E900 Optimus 7
HSDPA 900 / 1900 / 2100 , HSDPA 850 / 1900 - North America
Q31
HSDPA 850 / 900 / 1900 / 2100
Speed
E900 Optimus 7
HSPA 7.2/5.76 Mbps
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
3.5mm jack
equal specsSD card
Stereo speakers
Q31
HSPA, LTE
4G bands
E900 Optimus 7
-
Q31
LTE
Announced
E900 Optimus 7
2010, October. Released 2010, November
Q31
2020, September 17. Released 2020, September 25
Status
E900 Optimus 7
Discontinued
Q31
Discontinued
Dimensions
E900 Optimus 7
125 x 59.8 x 11.5 mm (4.92 x 2.35 x 0.45 in)
Q31
147.9 x 71 x 8.7 mm (5.82 x 2.80 x 0.34 in)
Weight
E900 Optimus 7
157 g (5.54 oz)
Q31
145 g (5.11 oz)
SIM
E900 Optimus 7
Mini-SIM
Q31
Nano-SIM
Other
E900 Optimus 7
-
Q31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
Type
E900 Optimus 7
TFT
Q31
IPS LCD
Size
E900 Optimus 7
3.8 inches, 41.1 cm2 (~55.0% screen-to-body ratio)
Q31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
Resolution
E900 Optimus 7
480 x 800 pixels, 5:3 ratio (~246 ppi density)
Q31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
Protection
E900 Optimus 7
Corning Gorilla Glass
Q31
-
OS
E900 Optimus 7
Microsoft Windows Phone 7, upgradable to 7.8
Q31
Android 10
Chipset
E900 Optimus 7
Qualcomm QSD8650 Snapdragon S1
Q31
Mediatek MT6762 Helio P22 (12 nm)
CPU
E900 Optimus 7
1.0 GHz Scorpion
Q31
Octa-core 2.0 GHz Cortex-A53
GPU
E900 Optimus 7
Adreno 200
Q31
PowerVR GE8320
Card slot
E900 Optimus 7
No
Q31
microSDXC
Internal
E900 Optimus 7
16GB 512MB RAM
Q31
32GB 3GB RAM
Other
E900 Optimus 7
-
Q31
eMMC 5.1
Single
E900 Optimus 7
5 MP, AF
Q31
-
Features
E900 Optimus 7
LED flash
Q31
LED flash, panorama, HDR
Video
E900 Optimus 7
720p@24fps
Q31
1080p@30fps
Dual
E900 Optimus 7
-
Q31
13 MP, f/1.8, 27mm (wide), 1/3.1", 1.12µm, PDAF 5 MP, f/2.2, 120˚ (ultrawide), 1/5.0", 1.12µm
Other
E900 Optimus 7
No
Q31
-
Single
E900 Optimus 7
-
Q31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
Video
E900 Optimus 7
-
Q31
1080p@30fps
Loudspeaker
E900 Optimus 7
Yes
Q31
Yes
3.5mm jack
E900 Optimus 7
Yes
Q31
Yes
WLAN
E900 Optimus 7
Wi-Fi 802.11 b/g/n, DLNA
Q31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
E900 Optimus 7
2.1, A2DP
Q31
5.0, A2DP, LE
Positioning
E900 Optimus 7
GPS, A-GPS
Q31
GPS
Radio
E900 Optimus 7
Stereo FM radio
Q31
No
USB
E900 Optimus 7
microUSB 2.0
Q31
microUSB 2.0
NFC
E900 Optimus 7
-
Q31
No
Sensors
E900 Optimus 7
Accelerometer, proximity, compass
Q31
Accelerometer
Browser
E900 Optimus 7
HTML
Q31
-
Other
E900 Optimus 7
Facebook integration Document viewer/editor MP4/WMV player MP3/WAV/WMA/eAAC+ player Organizer Voice memo Predictive text input
Q31
-
Type
E900 Optimus 7
Removable Li-Ion 1500 mAh battery
Q31
Li-Ion 3000 mAh
Stand-by
E900 Optimus 7
Up to 330 h (2G) / Up to 330 h (3G)
Q31
-
Talk time
E900 Optimus 7
Up to 6 h 40 min (2G) / Up to 5 h (3G)
Q31
-
Colors
E900 Optimus 7
Black
Q31
Silver
SAR
E900 Optimus 7
0.59 W/kg (head) 0.63 W/kg (body)
Q31
-
SAR EU
E900 Optimus 7
0.94 W/kg (head) 1.47 W/kg (body)
Q31
-
Price
E900 Optimus 7
About 120 EUR
Q31
About 150 EUR
Models
E900 Optimus 7
-
Q31
LM-Q310N