Category Breakdown
Oppo A57 4G
Xiaomi Redmi 9 Power
Performance
72.673.0
Camera
28.419.1
Display
56.569.9
Battery
33.737.7
Build
65.886.7
Connectivity
53.654.5
Audio
8.987.6
Overall
45.752.4
Summary
- The Oppo A57 4G features a 6.56-inch IPS LCD display with a resolution of 720 x 1612 pixels, while the Xiaomi Redmi 9 Power has a slightly larger 6.53-inch IPS LCD display with a higher resolution of 1080 x 2340 pixels, resulting in better pixel density.
- In terms of performance, the A57 is powered by the MediaTek Helio G35 chipset, whereas the Redmi 9 Power utilizes the Qualcomm Snapdragon 662, which generally offers better performance.
- The camera setup on the Redmi 9 Power is significantly superior, boasting a 48 MP main camera compared to the A57's 13 MP, although both have 8 MP front cameras.
- The Redmi 9 Power also has a larger 6000 mAh battery compared to the A57's 5000 mAh, but with slower charging at 18W versus 33W for the A57.
- For software, the A57 runs Android 12 with ColorOS 14, while the Redmi 9 Power operates on Android 10 with MIUI 12, indicating a more updated software experience on the A57.
Side-by-side Specification Comparison
Oppo A57 4G
Xiaomi Redmi 9 Power
General
Release Date
2022, May 27
2020, December 17
Announced
2022, May 27
2020, December 17
Description
N/A
N/A
Display
Size
6.56"
6.53"
Type
IPS LCD
IPS LCD, 400 nits (typ)
Resolution
720 x 1612 pixels, 20:9 ratio (~269 ppi density)
1080 x 2340 pixels, 19.5:9 ratio (~395 ppi density)
PPI
720
1080
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
N/A
Corning Gorilla Glass 3
Performance
Chipset
Mediatek MT6765G Helio G35 (12 nm)
Qualcomm SM6115 Snapdragon 662 (11 nm)
CPU
Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
GPU
PowerVR GE8320
Adreno 610
Memory
64GB 3GB RAM, 64GB 4GB RAM, 128GB 4GB RAM
64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC
microSDXC (dedicated slot)
Camera
Main Camera
13 MP, f/2.2, 26mm (wide), 1/3.06", 1.12µm, AF2 MP, f/2.4, (depth)
48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF8 MP, f/2.2, 120˚ (ultrawide), 1/4.0", 1.12µm2 MP, f/2.4, (macro)2 MP, f/2.4, (depth)
Main Camera Features
LED flash, HDR, panorama
LED flash, HDR, panorama
Front Camera
8 MP, f/2.0, (wide)
8 MP, f/2.0, 27mm (wide), 1/4.0", 1.12µm
Front Camera Features
HDR
N/A
Video Recording
1080p@30fps
1080p@30fps
Selfie Video
1080p@30fps
1080p@30fps
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
5000 mAh
6000 mAh
Battery Details
Li-Po 5000 mAh
Li-Po 6000 mAh
Charging Details
33W wired, 50% in 30 min
18W wired2.5W reverse wired
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
163.7 x 75 x 8 mm (6.44 x 2.95 x 0.31 in)
162.3 x 77.3 x 9.6 mm (6.39 x 3.04 x 0.38 in)
Weight
187 g
198 g
Materials
Glass front, plastic frame, plastic back
Glass front (Gorilla Glass 3), plastic frame, plastic back
Colors
Glowing Black, Glowing Green
Mighty Black, Fiery Red, Electric Green, Blazing Blue
Foldable
✗
✗
SAR
N/A
0.87 W/kg (head) 0.86 W/kg (body)
Connectivity
SIM
Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM
Network
GSM / HSPA / LTE
GSM / HSPA / LTE
Network Speed
HSPA, LTE
HSPA, LTE
5G
✗
✗
4G
✓
✓
WiFi
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
5.3, A2DP, LE, aptX HD
5.0, A2DP, LE
NFC
✗
✗
USB
USB Type-C 2.0, OTG
USB Type-C 2.0, OTG
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS
GPS, GLONASS, BDS
Audio
Stereo Speakers
✗
✓
Loudspeaker
Yes
Yes, with stereo speakers
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 12, upgradable to Android 14, ColorOS 14
Android 10, MIUI 12
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (side-mounted), accelerometer, proximity
Fingerprint (side-mounted), accelerometer, proximity, compass

