BlackBerry Curve 8520
#9322
ZTE V821
#9034Category Breakdown
BlackBerry Curve 8520
ZTE V821
Performance
35.134.6
Camera
10.639.6
Display
22.110.3
Battery
11.91.6
Build
14.60.2
Connectivity
11.219.4
Audio
8.98.9
Overall
12.613.5
Summary
- The BlackBerry Curve 8520 features a compact build with dimensions of 109 x 60 x 13.9 mm and weighs 106g, while the ZTE V821 is slightly larger at 116 x 56.5 x 11.8 mm and weighs 120g.
- Both devices have a 2.46-inch TFT display with a resolution of 320 x 240 pixels, but the Curve 8520 runs on BlackBerry OS 5.0, offering a different software experience compared to the ZTE's Android 2.2 (Froyo).
- In terms of performance, the Curve has a 512 MHz CPU, slightly outperforming the ZTE's 416 MHz.
- Both cameras are 2 MP with no optical image stabilization, but the ZTE V821 supports video recording.
- The Curve 8520 is equipped with a 1150 mAh battery, while the ZTE's battery capacity is unspecified.
- Connectivity options are similar, with both supporting Wi-Fi and Bluetooth, though the ZTE offers Bluetooth 2.1 compared to the Curve's 2.0.
Side-by-side Specification Comparison
BlackBerry Curve 8520
ZTE V821
General
Release Date
2009
2011
Announced
2009
2011
Description
N/A
N/A
Display
Size
2.46"
N/A
Type
TFT, 65K colors
TFT resistive touchscreen, 65K colors
Resolution
320 x 240 pixels, 4:3 ratio (~163 ppi density)
320 x 240 pixels, 4:3 ratio
PPI
320
320
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
N/A
Mediatek MT6516
CPU
512 MHz
416 MHz
GPU
N/A
N/A
Memory
256MB
256MB
Expandable Storage
✗
✗
Card Slot
microSDHC (dedicated slot)
microSDHC (dedicated slot)
Camera
Main Camera
2 MP
2 MP, AF
Main Camera Features
N/A
N/A
Front Camera
N/A
N/A
Front Camera Features
N/A
N/A
Video Recording
320p
Yes
Selfie Video
N/A
N/A
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
1150 mAh
N/A
Battery Details
Removable Li-Ion 1150 mAh battery
Removable Li-Ion battery
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
109 x 60 x 13.9 mm (4.29 x 2.36 x 0.55 in)
116 x 56.5 x 11.8 mm (4.57 x 2.22 x 0.46 in)
Weight
106 g
120 g
Materials
N/A
N/A
Colors
Black
Black
Foldable
✗
✗
SAR
1.22 W/kg (head) 0.83 W/kg (body)
N/A
Connectivity
SIM
Mini-SIM
Dual SIM (Mini-SIM)
Network
GSM
GSM
Network Speed
N/A
N/A
5G
✗
✗
4G
✗
✗
WiFi
Wi-Fi 802.11b/g
Wi-Fi 802.11 b/g, hotspot
Bluetooth
2.0, A2DP
2.1, A2DP
NFC
✗
✗
USB
microUSB
microUSB 2.0
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
No
GPS, A-GPS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
BlackBerry OS 5.0
Android 2.2 (Froyo)
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
N/A
N/A