Oppo A77s vs Xiaomi Redmi K40S

At a glance

Brand: Oppo; Xiaomi
Release date: October 2022, 3 years 7 months ago; March 2022, 4 years 2 months ago
AnTuTu: 255.000 Antutu v9 Overall performance better than 60% of devices; 785.648 Antutu v10 Overall performance better than 80% of devices

Size: 6.56"; 6.67"
Resolution: 720 x 1612 px HD+; 1080 x 2400 px FHD+
Type: LCD IPS; AMOLED Samsung E4
Density: 269 ppi Medium Density; 395 ppi High Density
Aspect ratio: 20:9; 20:9
Features: Water Drop Notch, Refresh rate 90 Hz, Peak brightness - 600 cd/m², Brightnes 480 cd/m² (typ), Max brightness HBM - 600 cd/m², DCI-P3, NTSC, 100% NTSC, 96% NTSC, 2.5D curved glass screen, Panda glass, 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: Qualcomm Snapdragon 680 (SM6225); Qualcomm Snapdragon 870 (SM8250-AC)
CPU: 4x2.4 GHz Kryo 265 Gold + 4x1.9GHz Kryo 265 Silver; 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: 2.4 GHz; 3.2 GHz
GPU: Adreno 610; 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/ 1.8; ƒ/ 1.79
Flash: LED; LED
Optical stabilization: No; Yes
Slow motion: No, 30 fps; Yes, 960 fps
Features: Digital zoom, Dual camera, Digital image stabilization, Autofocus, Touch focus, Phase detection autofocus (PDAF), Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer; 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
Sensor: —; Sony IMX582 Exmor RS
Pixel size: —; 0.60 µm
Sensor size: —; 1/2.96"

Dimensions: 75.0 mm 163.7 mm 8.0 mm Print 3D Model; 75.9 mm 163.2 mm 7.7 mm Print 3D Model
Weight: 187 g; 195 g
Materials: Plastic; Plastic
Colors: Black Orange; Black Blue Silver Green
Water/dust resistance: IP54; IP53
Usable surface: 84 %; 86 %

Operating system: Android 13 Tiramisu ColorOS 13 (Android 13); 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 5.0 LELow energy consumption; Bluetooth 5.2 LELow energy consumption
Bluetooth profiles: A2DP (Advanced Audio Distribution Profile), 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; 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; 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; A-GPS, GLONASS, Beidou, QZSS, Galileo, GPS (L1+L5), GLONASS (L1), BeiDou (B1), Galileo (E1+E5a), BeiDou (B2), NavIC System, QZSS (L1 + L5)

4G LTE: B1 (2100), B3 (1800), B5 (850), B7 (2600), B8 (900), B20 (800), B28b (700), B28a (700), B38 (TDD 2600), 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), B5 (850), B8 (900); B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B6 (800), B8 (900), B19 (800)
2G: B3 (1800), B5 (850), B8 (900); CDMA BC0 (800), B2 (1900), B3 (1800), B5 (850), B8 (900)
5G: —; n1 (2100), n3 (1800), n5 (850), n8 (900), n28a (700), n38 (2600), n40 (2300), n41 (2500), n77 (3700), n78 (3500)

Fingerprint: Yes, on the side; Yes, on the side
Accelerometer: Yes; Yes
Proximity: Yes; —
Light sensor: Yes; Yes
Cooling system: No; Yes
Audio: Stereo Speakers; Dolby Atmos, Hi-Res Audio, Stereo Speakers, 2 microphones
Gyroscope: —; Yes