alcatel 1S (2021)
#3264
ZTE Blade A51
#4368Category Breakdown
alcatel 1S (2021)
ZTE Blade A51
Performance
63.761.4
Camera
28.419.1
Display
56.556.5
Battery
28.125.7
Build
67.90.2
Connectivity
53.055.6
Audio
8.98.9
Overall
42.534.1
Summary
- The alcatel 1S (2021) features a glass front and plastic back with a weight of 190g, while the ZTE Blade A51 has a lighter build at 173.7g but lacks detailed material specifications.
- Both devices have a 6.52-inch IPS LCD display with a resolution of 720 x 1600 pixels and a 60Hz refresh rate.
- In terms of performance, the alcatel is powered by a Mediatek MT6762D Helio P22 chipset, offering slightly better CPU performance compared to the ZTE's Unisoc SC9863A.
- Both phones have a 13 MP rear camera and 5 MP selfie camera, with video recording capabilities at 1080p@30fps.
- The alcatel 1S has a larger 4000mAh battery, while the ZTE Blade A51 has a smaller 3200mAh battery and does not support fast charging.
- Both run on Android 11, but the ZTE utilizes the Go edition, which is optimized for lower RAM usage.
Side-by-side Specification Comparison
alcatel 1S (2021)
ZTE Blade A51
General
Release Date
2021, January 12
2021, May 08
Announced
2021, January 12
2021, May 08
Description
N/A
N/A
Display
Size
6.52"
6.52"
Type
IPS LCD
IPS LCD
Resolution
720 x 1600 pixels, 20:9 ratio (~269 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 MT6762D Helio P22 (12 nm)
Unisoc SC9863A (28 nm)
CPU
Octa-core (4x1.8 GHz Cortex-A53 & 4x1.5 GHz Cortex-A53)
Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55)
GPU
PowerVR GE8320
IMG8322
Memory
32GB 3GB RAM
32GB 2GB RAM, 64GB 2GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (uses shared SIM slot)
microSDXC
Camera
Main Camera
13 MP, f/2.0, 27mm (wide), 1/3.06", 1.12µm, PDAF2 MP, f/2.4, (macro)2 MP, f/2.4, (depth)
13 MP, AF2 MP
Main Camera Features
LED flash, HDR, panorama
LED flash, HDR
Front Camera
5 MP, f/2.2, 27mm (wide), 1/5.0", 1.12µm
5 MP
Front Camera Features
HDR
N/A
Video Recording
1080p@30fps
1080p@30fps
Selfie Video
1080p@30fps
N/A
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
4000 mAh
3200 mAh
Battery Details
Li-Po 4000 mAh
Li-Ion 3200 mAh
Charging Details
10W wired
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
165.6 x 75.6 x 8.8 mm (6.52 x 2.98 x 0.35 in)
166.5 x 75.6 x 8.5 mm (6.56 x 2.98 x 0.33 in)
Weight
190 g
173.7 g
Materials
Glass front, plastic back, plastic frame
N/A
Colors
Elegant Black, Twilight Blue
Blue, Gray
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Nano-SIMNano-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, Wi-Fi Direct
Wi-Fi 802.11 b/g/n
Bluetooth
5.0, A2DP, LE
4.2, A2DP, LE
NFC
✗
✓
USB
microUSB 2.0, OTG
USB Type-C 2.0, OTG
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, GLONASS, GALILEO, BDS
GPS, GLONASS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 11
Android 11 (Go edition)
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (rear-mounted), accelerometer, proximity, compass
Fingerprint (rear-mounted), accelerometer, proximity