Product
Xiaomi Redmi Note 9
Xiaomi Redmi Note 9
Oppo K13x
Oppo K13x
Battery
Charging 18W wired 9W reverse wired 45W wired, 33W PPS, 13.5W PD, 50% in 37 min
Type Li-Po 5020 mAh 6000 mAh
Body
Build Glass front (Gorilla Glass 5), plastic frame, plastic back -
Dimensions 162.3 x 77.2 x 8.9 mm (6.39 x 3.04 x 0.35 in) 165.7 x 76.2 x 7.9 mm (6.52 x 3.00 x 0.31 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 199 g (7.02 oz) 194 g (6.84 oz)
  Water-repellent coating IP65 dust tight and water resistant (low pressure water jets) MIL-STD-810H compliant* * does not guarantee ruggedness or use in extreme conditions
Comms
Bluetooth 5.0, A2DP, LE 5.4, A2DP, LE, aptX HD
Infrared port Yes -
NFC Yes (market/region dependent)M2003J15SG (Yes); M2003J15SS (No) No
Positioning GPS, GLONASS, GALILEO, BDS GPS, GALILEO, GLONASS, BDS, QZSS
Radio FM radio, built-in antenna Unspecified
USB USB Type-C 2.0 USB Type-C 2.0, OTG
WLAN 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
Display
Protection Corning Gorilla Glass 5 -
Resolution 1080 x 2340 pixels, 19.5:9 ratio (~395 ppi density) 720 x 1604 pixels, 20:9 ratio (~264 ppi density)
Size 6.53 inches, 104.7 cm2 (~83.5% screen-to-body ratio) 6.67 inches, 107.2 cm2 (~84.9% screen-to-body ratio)
Type IPS LCD, 450 nits (typ) IPS LCD, 120Hz, 850 nits (typ), 1000 nits (HBM)
Features
Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass Fingerprint (side-mounted), accelerometer, proximity, compass
Launch
Announced 2020, April 30 2025, June 23
Status Available. Released 2020, May 12 Available. Released 2025, June 27
Main Camera
Dual - 50 MP, f/1.8, (wide), PDAF 2 MP, f/2.4, (wide)
Features LED flash, HDR, panorama LED flash, HDR, panorama
Quad 48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 118˚ (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (macro), AF 2 MP, f/2.4, (depth) -
Video 1080p@30fps 1080p@30fps
Memory
Card slot microSDXC (dedicated slot) microSDXC
Internal 64GB 3GB RAM, 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM
  - UFS 2.2
Misc
Colors Forest Green, Midnight Grey, Polar White Sunset Peach, Midnight Violet
Models M2003J15SC, M2003J15SG, M2003J15SS CPH2753
SAR 0.84 W/kg (head)     0.90 W/kg (body)     1.18 W/kg (head)     1.05 W/kg (body)    
SAR EU 0.80 W/kg (head)     1.14 W/kg (body)     -
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 900 / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41 1, 3, 5, 8, 28, 40, 41
5G bands - 1, 3, 5, 8, 28, 40, 41, 77, 78 SA/NSA
Speed HSPA, LTE HSPA, LTE, 5G
Technology GSM / HSPA / LTE GSM / HSPA / LTE / 5G
Our Tests
Battery (old) Endurance rating 125h -
Camera Photo / Video -
Display 1242:1 contrast ratio, 370 nits max brightness (measured) -
Loudspeaker -30.1 LUFS (Below average) -
Performance AnTuTu: 200414 (v8) GeekBench: 1292 (v5.1) -
Platform
Chipset Mediatek MT6769Z Helio G85 (12 nm) Mediatek Dimensity 6300 (6 nm)
CPU Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55) Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU Mali-G52 MC2 Mali-G57 MC2
OS Android 10, upgradable to Android 12, MIUI 13 Android 15, ColorOS 15
Selfie camera
Features HDR, panorama Panorama
Single 13 MP, f/2.3, 29mm (standard), 1/3.1", 1.12µm 8 MP, f/2.0, (wide)
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes