Huawei U8520 Duplex
#7901
ZTE Open
#7095Category Breakdown
Huawei U8520 Duplex
ZTE Open
Performance
45.259.9
Camera
11.939.6
Display
33.216.0
Battery
15.212.3
Build
0.20.2
Connectivity
28.024.0
Audio
8.98.9
Overall
17.020.6
Summary
- The Huawei U8520 Duplex features a 3.2-inch TFT display with a resolution of 320 x 480 pixels, while the ZTE Open has a slightly larger 3.5-inch TFT display with the same resolution, resulting in a lower pixel density.
- In terms of performance, the U8520 Duplex is powered by a 600 MHz ARM 11 CPU, whereas the ZTE Open has a more capable 1.0 GHz Cortex-A5 CPU, both with 512MB of RAM.
- Both devices have a 3.15 MP rear camera, but the ZTE Open supports video recording, unlike the Huawei model.
- The U8520 Duplex has a 1500 mAh battery, providing a higher capacity compared to the 1200 mAh battery of the ZTE Open.
- Lastly, the U8520 Duplex runs on Android 2.2 (Froyo), while the ZTE Open operates on Firefox OS 1.0, offering different software experiences.
Side-by-side Specification Comparison
Huawei U8520 Duplex
ZTE Open
General
Release Date
2011
2013
Announced
2011
2013
Description
Also known as Huawei Deuce
N/A
Display
Size
3.2"
3.5"
Type
TFT, 256K colors
TFT
Resolution
320 x 480 pixels, 3:2 ratio (~180 ppi density)
320 x 480 pixels, 3:2 ratio (~165 ppi density)
PPI
320
320
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
Qualcomm MSM7227-1 Snapdragon S1
Qualcomm MSM7225A Snapdragon S1
CPU
600 MHz ARM 11
1.0 GHz Cortex-A5
GPU
Adreno 200
Adreno 200
Memory
512MB 256MB RAM
512MB ROM, 256MB RAM
Expandable Storage
✗
✗
Card Slot
microSDHC (dedicated slot), 2 GB included
microSDHC (dedicated slot), 2 GB included
Camera
Main Camera
3.15 MP
3.15 MP
Main Camera Features
N/A
N/A
Front Camera
VGA
N/A
Front Camera Features
N/A
N/A
Video Recording
480p
Yes
Selfie Video
N/A
N/A
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
1500 mAh
1200 mAh
Battery Details
Removable Li-Ion 1500 mAh battery
Li-Ion 1200 mAh, removable
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
112 x 57 x 12.7 mm (4.41 x 2.24 x 0.5 in)
114 x 62 x 12.5 mm (4.49 x 2.44 x 0.49 in)
Weight
109 g
N/A
Materials
N/A
N/A
Colors
Black
Blue, Orange
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Dual SIM (Mini-SIM, dual stand-by)
Mini-SIM
Network
GSM / HSPA
GSM / HSPA
Network Speed
HSPA 7.2/0.384 Mbps
HSPA 7.2/5.76 Mbps
5G
✗
✗
4G
✗
✗
WiFi
Wi-Fi 802.11 b/g/n
Wi-Fi 802.11 b/g/n
Bluetooth
2.1, A2DP, EDR
2.1, A2DP, EDR
NFC
✗
✗
USB
microUSB 2.0
microUSB 2.0
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, A-GPS
GPS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 2.2 (Froyo)
Firefox OS 1.0
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer, proximity, compass
Accelerometer, proximity