Oppo K9s vs Xiaomi Redmi 9T

Phones Images
PHONES
Phone Names Oppo K9s Xiaomi Redmi 9T
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 3, 4, 5, 8, 19, 28, 34, 38, 39, 40, 411, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41
5G bands1, 28, 41, 77, 78 SA/NSA-
SpeedHSPA, LTE, 5GHSPA, LTE
TechnologyGSM / CDMA / HSPA / CDMA2000 / LTE / 5GGSM / HSPA / LTE
 CDMA2000 1x -
Launch
Announced2021, October 202021, January 08
StatusAvailable. Released 2021, November 01Available. Released 2021, January 18
Body
Build-Glass front (Gorilla Glass 3), plastic frame, plastic back
Dimensions164.4 x 75.9 x 8.5 mm (6.47 x 2.99 x 0.33 in)162.3 x 77.3 x 9.6 mm (6.39 x 3.04 x 0.38 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight199 g (7.02 oz)198 g (6.98 oz)
 -Water-repellent coating
Display
ProtectionPanda GlassCorning Gorilla Glass 3
Resolution1080 x 2412 pixels, 20:9 ratio (~401 ppi density)1080 x 2340 pixels, 19.5:9 ratio (~395 ppi density)
Size6.59 inches, 104.5 cm2 (~83.7% screen-to-body ratio)6.53 inches, 104.7 cm2 (~83.4% screen-to-body ratio)
TypeIPS LCD, 120Hz, 480 nits (typ), 600 nits (HBM)IPS LCD, 400 nits (typ)
Platform
CPUOcta-core (1x2.4 GHz Cortex-A78 & 3x2.2 GHz Cortex-A78 & 4x1.9 GHz Cortex-A55)Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
ChipsetQualcomm SM7325 Snapdragon 778G 5G (6 nm)Qualcomm SM6115 Snapdragon 662 (11 nm)
GPUAdreno 642LAdreno 610
OSAndroid 11, ColorOS 11.2Android 10, MIUI 12
Memory
Card slotmicroSDXCmicroSDXC (dedicated slot)
Internal128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM
 UFS 2.2UFS 2.1 - 64GB UFS 2.2 - 128GB
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
Single16 MP, f/2.0, 26mm (wide)-
Triple64 MP, f/1.7, 26mm (wide), PDAF 8 MP, f/2.2, 120˚ (ultrawide) 2 MP (macro)-
Video4K@30fps, 1080p@30/60/120fps; gyro-EIS1080p@30fps
Selfie camera
FeaturesPanorama-
Single16 MP, f/2.0, 26mm (wide)8 MP, f/2.1, 27mm (wide), 1/4.0", 1.12µm
Video1080p@30fps, gyro-EIS1080p@30fps
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker YesYes, with stereo speakers
 -24-bit/192kHz audio
Comms
Bluetooth5.2, A2DP, LE, aptX HD5.0, A2DP, LE
Infrared port-Yes
NFCNoYes (market/region dependent)
PositioningGPS, GLONASS, GALILEO, BDS, QZSSGPS, GLONASS, GALILEO, BDS
RadioNoFM radio
USBUSB Type-C 2.0, OTGUSB Type-C 2.0, OTG
WLANWi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (side-mounted), accelerometer, gyro, proximity, compassFingerprint (side-mounted), accelerometer, proximity, compass
Battery
Charging30W wired 5W reverse wired18W wired 2.5W reverse wired
TypeLi-Po 5000 mAhLi-Po 6000 mAh
Misc
ColorsBlack, Silver, AuroraCarbon Gray, Twilight Blue, Sunrise Orange, Ocean Green
ModelsPERM10J19S, M2010J19SG, M2010J19SY
Price-€ 87.56
SAR-1.09 W/kg (head)     1.00 W/kg (body)
SAR EU-0.60 W/kg (head)     0.81 W/kg (body)
Pricing
128GB 6GB RAM-Rp 2,272,000
64GB 4GB RAM-$ 168.78
Tests
Battery life- Endurance rating 150h
Camera- Photo / Video
Display- Contrast ratio: 1594:1
Loudspeaker- -25.6 LUFS (Very good)
Performance- AnTuTu: 177917 (v8) GeekBench: 1400 (v5.1) GFXBench: 5.8fps (ES 3.1 onscreen)
OUR TESTS
Battery (old)-Endurance rating 150h
Camera-Photo / Video
Display-1594:1 contrast ratio, 437 nits max brightness (measured)
Loudspeaker--25.6 LUFS (Very good)
Performance-AnTuTu: 177917 (v8) GeekBench: 1400 (v5.1) GFXBench: 5.8fps (ES 3.1 onscreen)