Oppo Reno8 vs Xiaomi Redmi K40S

At a glance

Brand: Oppo; Xiaomi
Release date: May 2022, 4 years ago; March 2022, 4 years 2 months ago
AnTuTu: 699.576 Antutu v9 Overall performance better than 78% of devices; 785.648 Antutu v10 Overall performance better than 80% of devices

Size: 6.43"; 6.67"
Resolution: 1080 x 2400 px FHD+; 1080 x 2400 px FHD+
Type: Oled; AMOLED Samsung E4
Density: 411 ppi Very high density; 395 ppi High Density
Aspect ratio: 20:9; 20:9
Features: Hole-punch Notch, Refresh rate 90 Hz, Touch sampling rate 180 Hz, Brightnes 430 cd/m² (typ), Peak brightness - 800 cd/m², Max brightness HBM - 600 cd/m², HDR10+, DCI-P3, sRGB standard, 2.5D curved glass screen, Capacitive, Multi-touch, Frameless; Hole-punch Notch, Refresh rate 120 Hz, Touch sampling rate 360 Hz, Peak brightness - 1300 cd/m², Max brightness HBM - 900 cd/m², 5000000:1 contrast ratio, Always-On Display, HDR10+, DCI-P3, MEMC, Dolby Vision, Scratch resistant, Corning Gorilla Glass 5, Capacitive, Multi-touch, Frameless

Chipset: MediaTek Dimensity 1300; Qualcomm Snapdragon 870 (SM8250-AC)
CPU: 1x Cortex A78 3GHz +3x Cortex A78 2.6GHz + 4x Cortex A55 2.0 GHz; 1x Cortex A77 3.20 GHz + 3x Cortex A77 2.4 GHz + 4x Cortex A55 1.8 GHz
CPU type: Octa-Core; Octa-Core
Process: 6 nm; 7 nm
Frequency: 3 GHz; 3.2 GHz
GPU: Arm Mali-G77 MC9; Qualcomm Adreno 650
RAM: 8 GB; 6 GB
RAM type: LPDDR4X RAM; RAM LPDDR5
64-bit: Yes; Yes

Resolution: 50 Mpx; 48 Mpx
Aperture: ƒ/ 1.7; ƒ/ 1.79
Sensor: Sony IMX766; Sony IMX582 Exmor RS
Pixel size: 1.00 µm; 0.60 µm
Sensor size: 1/1.56"; 1/2.96"
Flash: Dual LED; LED
Optical stabilization: No; Yes
Slow motion: Yes, 240 fps; Yes, 960 fps
Features: 4K Video, Digital zoom, Triple camera, Digital image stabilization, Autofocus, Touch focus, Phase detection autofocus (PDAF), Continuous shooting, Geotagging, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer, Night Mode; 4K Video, Digital zoom, Triple camera, Digital image stabilization, Optical Stabilization (OIS), Ultra stable video, Autofocus, Touch focus, Continuous autofocus, Manual focus, Phase detection autofocus (PDAF), Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer, RAW, Night Mode

Dimensions: 73.4 mm 160.6 mm 7.7 mm Print 3D Model; 75.9 mm 163.2 mm 7.7 mm Print 3D Model
Weight: 179 g; 195 g
Materials: Polycarbonate , Glass; Plastic
Colors: Black Cyan Rose Gold; Black Blue Silver Green
Usable surface: 83 %; 86 %
Water/dust resistance: —; IP53

Operating system: Android 12 Snow Cone ColorOS 12.1 (Android 12); Android 14 Upside-down cake HyperOS (Android 14)
Google services: With Google Mobile Services; Without Google Mobile services

SIM: Dual SIM Dual Standby (Nano SIM + Nano SIM); Dual SIM Dual Standby (Nano SIM + Nano SIM)
Bluetooth: Bluetooth 5.3 LELow energy consumption; Bluetooth 5.2 LELow energy consumption
Bluetooth profiles: A2DP (Advanced Audio Distribution Profile), EDR (Enhanced Data Rate), LE (Low Energy), APT-x, LDAC, SBC, AAC; A2DP (Advanced Audio Distribution Profile), LE (Low Energy), LDAC, SBC, AAC
Wi-Fi: 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac, WiFi 6 (802.11ax); 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac, WiFi 6 (802.11ax)
Wi-Fi features: Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display, Wi-Fi MiMO; Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display, Wi-Fi MiMO
USB: USB Type-C; USB Type-C
USB features: Charging, OTG; Charging, OTG
Navigation: GPS, A-GPS, GLONASS, Beidou, QZSS, Galileo, GPS (L1+L5); A-GPS, GLONASS, Beidou, QZSS, Galileo, GPS (L1+L5), GLONASS (L1), BeiDou (B1), Galileo (E1+E5a), BeiDou (B2), NavIC System, QZSS (L1 + L5)

5G: n1 (2100), n3 (1800), n5 (850), n7 (2600), n8 (900), n20 (800), n28b (700), n28a (700), n38 (2600), n40 (2300), n41 (2500), n77 (3700), n78 (3500); n1 (2100), n3 (1800), n5 (850), n8 (900), n28a (700), n38 (2600), n40 (2300), n41 (2500), n77 (3700), n78 (3500)
4G LTE: B1 (2100), B2 (1900), B3 (1800), B4 (1700/2100 AWS 1), B5 (850), B7 (2600), B8 (900), B12 (700), B17 (700), B18 (800), B19 (800), B20 (800), B26 (850), B28b (700), B28a (700), B38 (TDD 2600), B39 (TDD 1900), B40 (TDD 2300), B41 (TDD 2500); B1 (2100), B2 (1900), B3 (1800), B4 (1700/2100 AWS 1), B5 (850), B8 (900), B18 (800), B19 (800), B26 (850), B34 (TDD 2100), B38 (TDD 2600), B39 (TDD 1900), B40 (TDD 2300), B41 (TDD 2500), B42 (TDD 3500)
3G: B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B8 (900), B19 (800); B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B6 (800), B8 (900), B19 (800)
2G: CDMA BC0 (800), B2 (1900), B3 (1800), B5 (850), B8 (900); CDMA BC0 (800), B2 (1900), B3 (1800), B5 (850), B8 (900)

Fingerprint: Yes, in screen; Yes, on the side
Accelerometer: Yes; Yes
Gyroscope: Yes; Yes
Proximity: Yes; —
Light sensor: Yes; Yes
Cooling system: Yes; Yes
Audio: Noise cancellation microphone, Stereo Speakers; Dolby Atmos, Hi-Res Audio, Stereo Speakers, 2 microphones