Oppo A57 4G vs Xiaomi Redmi Note 12

Phones Images
PHONES
Phone Names Oppo A57 4G Xiaomi Redmi Note 12
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 2100HSDPA 850 / 900 / 2100
4G bands1, 3, 5, 7, 8, 20, 28, 38, 40, 411, 3, 5, 8, 40, 41
5G bands-1, 3, 5, 8, 28, 40, 78 SA/NSA
SpeedHSPA, LTEHSPA, LTE, 5G
TechnologyGSM / HSPA / LTEGSM / HSPA / LTE / 5G
Launch
Announced2022, May 272022, October 27
StatusAvailable. Released 2022, June 06Available. Released 2023, January 11
Body
BuildGlass front, plastic frame, plastic back-
Dimensions163.7 x 75 x 8 mm (6.44 x 2.95 x 0.31 in)165.9 x 76.2 x 8 mm (6.53 x 3.00 x 0.31 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight187 g (6.60 oz)188 g (6.63 oz)
 IP5X (dust), IPX4 (water) resistanceIP53, dust and splash resistant
Display
Protection-Corning Gorilla Glass 3
Resolution720 x 1612 pixels, 20:9 ratio (~269 ppi density)1080 x 2400 pixels, 20:9 ratio (~395 ppi density)
Size6.56 inches, 103.4 cm2 (~84.2% screen-to-body ratio)6.67 inches, 107.4 cm2 (~85.0% screen-to-body ratio)
TypeIPS LCDAMOLED, 120Hz, 1200 nits (peak)
Platform
CPUOcta-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)Octa-core (2x2.0 GHz Cortex-A78 & 6x1.8 GHz Cortex-A55)
ChipsetMediatek MT6765G Helio G35 (12 nm)Qualcomm SM4375 Snapdragon 4 Gen 1 (6 nm)
GPUPowerVR GE8320Adreno 619
OSAndroid 12, upgradable to Android 14, ColorOS 14Android 12, MIUI 14 (International), MIUI 13 (India)
Memory
Card slotmicroSDXCmicroSDXC (uses shared SIM slot)
Internal64GB 3GB RAM, 64GB 4GB RAM, 128GB 4GB RAM128GB 4GB RAM, 128GB 6GB RAM, 256GB 8GB RAM
 eMMC 5.1UFS 2.2
Main Camera
Dual13 MP, f/2.2, 26mm (wide), 1/3.06", 1.12µm, AF Auxiliary lens-
FeaturesLED flash, HDR, panoramaDual-LED dual-tone flash, HDR, panorama
Single8 MP, f/2.0, (wide)-
Triple-48 MP, f/1.8, (wide), PDAF 8 MP, f/2.2, 120˚ (ultrawide), 1/4.0", 1.12µm 2 MP (macro)
Video1080p@30fps1080p@30fps
Selfie camera
FeaturesHDRHDR
Single8 MP, f/2.0, (wide)13 MP, f/2.5, (wide), 1/3.0"
Video1080p@30fps1080p@30fps
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker YesYes
 -24-bit/192kHz audio
Comms
Bluetooth5.3, A2DP, LE, aptX HD5.1, A2DP, LE
Infrared port-Yes
NFCNoYes (market/region dependent)
PositioningGPSGPS, GLONASS
RadioUnspecifiedUnspecified
USBUSB Type-C 2.0, OTGUSB Type-C 2.0, OTG
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac, dual-band
Features
SensorsFingerprint (side-mounted), accelerometer, proximityFingerprint (side-mounted), accelerometer, gyro, proximity, compass
Battery
Charging33W wired, 50% in 30 min33W wired, 50% in 22 min
TypeLi-Po 5000 mAhLi-Po 5000 mAh
Misc
ColorsGlowing Black, Glowing GreenFrosted Green, Matte Black, Mystique Blue
ModelsCPH238722111317I, 22111317G
PriceAbout 440 EUR€ 151.99 / $ 219.99 / ₹ 11,999
SAR-1.09 W/kg (head)     1.05 W/kg (body)
SAR EU-0.68 W/kg (head)     0.91 W/kg (body)
Tests
Battery life- Endurance rating 101h
Camera- Photo / Video
Display- Contrast ratio: Infinite (nominal)
Loudspeaker- -28.0 LUFS (Good)
Performance- AnTuTu: 360745 (v9) GeekBench: 1998 (v5.1), 2017 (v6)
OUR TESTS
Battery-Active use score 10:58h
Battery (old)-Endurance rating 101h
Camera-Photo / Video
Display-706 nits max brightness (measured)
Loudspeaker--28.0 LUFS (Good)
Performance-AnTuTu: 360745 (v9) GeekBench: 1998 (v5.1), 2017 (v6)