Oppo A8 vs Xiaomi Redmi Note 8 2021

Phones Images
PHONES
Phone Names Oppo A8 Xiaomi Redmi Note 8 2021
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 2100HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 3, 5, 8, 34, 38, 39, 40, 411, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40
SpeedHSPA, LTEHSPA, LTE
TechnologyGSM / CDMA / HSPA / EVDO / LTEGSM / HSPA / LTE
 CDMA2000 1xEV-DO -
Launch
Announced2019, December. Released 2019, December2021, May 25
StatusDiscontinuedAvailable. Released 2021, May 27
Body
BuildGlass front, plastic back, plastic frameGlass front (Gorilla Glass 5), glass back (Gorilla Glass 5), plastic frame
Dimensions163.9 x 75.5 x 8.3 mm (6.45 x 2.97 x 0.33 in)158.3 x 75.3 x 8.4 mm (6.23 x 2.96 x 0.33 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight180 g (6.35 oz)190 g (6.70 oz)
Display
Protection-Corning Gorilla Glass 5
Resolution720 x 1600 pixels, 20:9 ratio (~269 ppi density)1080 x 2340 pixels, 19.5:9 ratio (~409 ppi density)
Size6.5 inches, 102.8 cm2 (~83.0% screen-to-body ratio)6.3 inches, 97.4 cm2 (~81.7% screen-to-body ratio)
TypeIPS LCD, 480 nits (typ)IPS LCD, 500 nits (typ)
Platform
CPUOcta-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
ChipsetMediatek MT6765V/CB Helio P35 (12 nm)Mediatek MT6769Z Helio G85 (12 nm)
GPUPowerVR GE8320Mali-G52 MC2
OSAndroid 9.0 (Pie), ColorOS 6.1Android 11, MIUI 12.5
Memory
Card slotmicroSDXC (dedicated slot)microSDXC (dedicated slot)
Internal128GB 4GB RAM, 64GB 4GB RAM64GB 3GB RAM, 64GB 4GB RAM, 128GB 4GB RAM
 eMMC 5.1eMMC 5.1
Main Camera
FeaturesLED flash, HDR, panoramaLED flash, HDR, panorama
Quad-48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 120˚ (ultrawide), 1/4.0", 1.12µm 2 MP (macro) Auxiliary lens
Single-13 MP, f/2.0, (wide), 1/3.1", 1.12µm
Triple12 MP, f/1.8, (wide), PDAF 2 MP (macro) Auxiliary lens-
Video1080p@30fps1080p@30/120fps; gyro-EIS
Selfie camera
FeaturesHDRHDR, panorama
Single8 MP, f/2.013 MP, f/2.0, (wide), 1/3.1", 1.12µm
Video1080p@30fps1080p@30fps
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker YesYes
Comms
Bluetooth5.0, A2DP, LE5.2, A2DP, LE
Infrared port-Yes
NFCNoNo
PositioningGPS, BDSGPS, GLONASS, GALILEO, BDS
RadioFM radioFM radio
USBmicroUSB 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, Wi-Fi Direct
Features
SensorsFingerprint (rear-mounted), accelerometer, proximity, compassFingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Battery
Charging-18W wired
TypeLi-Po 4230 mAhLi-Po 4000 mAh
Misc
ColorsGreen, BlackNeptune Blue, Moonlight White, Space Black
ModelsPDBM00M1908C3JGG
PriceAbout 150 EURAbout 160 EUR
SAR-0.97 W/kg (head)     0.75 W/kg (body)
SAR EU-0.57 W/kg (head)     0.94 W/kg (body)
Tests
Battery life- Endurance rating 102h
Camera- Photo / Video
Display- Contrast ratio: 1487:1 (nominal)
Loudspeaker- -28.6 LUFS (Average)
Performance- AnTuTu: 180195 (v8), 165779 (v9) GeekBench: 5259 (v4.4), 1314 (v5.1) GFXBench: 8.7fps (ES 3.1 onscreen)
OUR TESTS
Battery (old)-Endurance rating 102h
Camera-Photo / Video
Display-1487:1 contrast ratio, 620 nits max brightness (measured)
Loudspeaker--28.6 LUFS (Average)
Performance-AnTuTu: 180195 (v8), 165779 (v9) GeekBench: 5259 (v4.4), 1314 (v5.1) GFXBench: 8.7fps (ES 3.1 onscreen)