HTC Desire 820s dual sim
#5002
ZTE Blade A51
#4368Category Breakdown
HTC Desire 820s dual sim
ZTE Blade A51
Performance
56.061.4
Camera
19.119.1
Display
43.756.5
Battery
22.425.7
Build
0.20.2
Connectivity
44.455.6
Audio
87.68.9
Overall
29.834.1
Summary
- The HTC Desire 820s dual sim features a 5.5-inch IPS LCD display with a resolution of 720 x 1280 pixels, while the ZTE Blade A51 has a slightly larger 6.52-inch IPS LCD with a resolution of 720 x 1600 pixels, offering a higher pixel density.
- In terms of performance, the Desire 820s is powered by a Mediatek MT6752 chipset with an octa-core CPU, whereas the Blade A51 utilizes a Unisoc SC9863A chipset with a different octa-core configuration.
- Both phones have a 13 MP rear camera capable of 1080p video recording, but the Blade A51 has a lower-resolution 5 MP selfie camera compared to the 8 MP on the Desire 820s.
- The Blade A51 also boasts a larger 3200 mAh battery compared to the 2600 mAh battery of the Desire 820s.
- On the software front, the Desire 820s runs on Android 4.4.4 with Sense UI 6, while the Blade A51 operates on Android 11 (Go edition), indicating a more modern software experience.
Side-by-side Specification Comparison
HTC Desire 820s dual sim
ZTE Blade A51
General
Release Date
2015
2021, May 08
Announced
2015
2021, May 08
Description
N/A
N/A
Display
Size
5.5"
6.52"
Type
IPS LCD,
IPS LCD
Resolution
720 x 1280 pixels, 16:9 ratio (~267 ppi density)
720 x 1600 pixels, 20:9 ratio (~269 ppi density)
PPI
720
720
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
Mediatek MT6752 (28 nm)
Unisoc SC9863A (28 nm)
CPU
Octa-core 1.7 GHz Cortex-A53
Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55)
GPU
Mali-T760MP2
IMG8322
Memory
16GB 2GB RAM
32GB 2GB RAM, 64GB 2GB RAM
Expandable Storage
✗
✗
Card Slot
microSDHC (dedicated slot)
microSDXC
Camera
Main Camera
13 MP, AF
13 MP, AF2 MP
Main Camera Features
LED flash, HDR, panorama
LED flash, HDR
Front Camera
8 MP
5 MP
Front Camera Features
N/A
N/A
Video Recording
1080p@30fps
1080p@30fps
Selfie Video
1080p@30fps
N/A
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
2600 mAh
3200 mAh
Battery Details
Li-Po 2600 mAh, non-removable
Li-Ion 3200 mAh
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
157.7 x 78.7 x 7.7 mm (6.21 x 3.10 x 0.30 in)
166.5 x 75.6 x 8.5 mm (6.56 x 2.98 x 0.33 in)
Weight
155 g
173.7 g
Materials
N/A
N/A
Colors
Marble White, Milkyway Gray, Monarch Orange, Santorini White, Tuxedo Gray
Blue, Gray
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM
Network
GSM / HSPA / LTE
GSM / HSPA / LTE
Network Speed
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
HSPA, LTE
5G
✗
✗
4G
✓
✓
WiFi
Wi-Fi 802.11 b/g/n, hotspot
Wi-Fi 802.11 b/g/n
Bluetooth
4.0, A2DP
4.2, A2DP, LE
NFC
✗
✓
USB
microUSB 2.0
USB Type-C 2.0, OTG
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, GLONASS
GPS, GLONASS
Audio
Stereo Speakers
✓
✗
Loudspeaker
Yes, with stereo speakers
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 4.4.4 (KitKat), Sense UI 6
Android 11 (Go edition)
Fingerprint
✗
✓
Face Unlock
✗
✗
Sensors
Accelerometer, proximity, compass
Fingerprint (rear-mounted), accelerometer, proximity