Xiaomi Redmi K40S vs Xiaomi REDMI Turbo 4

At a glance

Brand: Xiaomi; Xiaomi
Release date: March 2022, 4 years ago; January 2025, 1 year ago
AnTuTu: 785.648 Antutu v10 Overall performance better than 80% of devices; 1.864.199 Antutu v10 Overall performance better than 94% of devices
Launch price: —; CN¥ 1,999.00 ($ 292.41)

Size: 6.67"; 6.67"
Resolution: 1080 x 2400 px FHD+; 1220 x 2712 px QHD
Type: AMOLED Samsung E4; AMOLED
Density: 395 ppi High Density; 446 ppi Very high density
Aspect ratio: 20:9; 20:9
Features: 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; Hole-punch Notch, 1920 Hz PWM, TÜV Rheinland Flicker-free Certified, TÜV Low Blue Light, Refresh rate 120 Hz, Touch sampling rate 480 Hz, Max brightness HBM - 1400 cd/m², Peak brightness - 3200 cd/m², 5000000:1 contrast ratio, TÜV Rheinland Eye Comfort Certification, HDR10+, DCI-P3, 12 Bits panel (10-bit +2-bit FRC), Dolby Vision, Scratch resistant, Capacitive, Multi-touch, Frameless

Chipset: Qualcomm Snapdragon 870 (SM8250-AC); MediaTek Dimensity 8400
CPU: 1x Cortex A77 3.20 GHz + 3x Cortex A77 2.4 GHz + 4x Cortex A55 1.8 GHz; 1x3,25 GHz Cortex A725 + 3x3.0 GHz Cortex A725 + 4x2.1GHz Cortex A725
CPU type: Octa-Core; Octa-Core
Process: 7 nm; 4 nm
Frequency: 3.2 GHz; 3.25 GHz
GPU: Qualcomm Adreno 650; Immortalis G720 MC7 1.3GHz GPU
RAM: 6 GB; 12 GB
RAM type: RAM LPDDR5; RAM LPDDR5X
64-bit: Yes; Yes

Resolution: 48 Mpx; 50 Mpx
Aperture: ƒ/ 1.79; ƒ/ 1.5
Sensor: Sony IMX582 Exmor RS; Sony LYT-600
Pixel size: 0.60 µm; 0.70 µm
Sensor size: 1/2.96"; 1/1.95"
Flash: LED; LED
Optical stabilization: Yes; Yes
Slow motion: Yes, 960 fps; Yes, 960 fps
Features: 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; Noise reduction, 4K Video, Digital zoom, Dual camera, Digital image stabilization, Optical Stabilization (OIS), Autofocus, Touch focus, Manual focus, Phase detection autofocus (PDAF), Laser autofocus (LAF), Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer, Night Mode

Dimensions: 75.9 mm 163.2 mm 7.7 mm Print 3D Model; 75.2 mm 160.9 mm 8.1 mm Print 3D Model
Weight: 195 g; 203 g
Materials: Plastic; Plastic
Colors: Black Blue Silver Green; Black White Green
Water/dust resistance: IP53; IP68
Usable surface: 86 %; 89 %

Operating system: Android 14 Upside-down cake HyperOS (Android 14); Android 15 HyperOS 2.X (Android 15)
Google services: Without 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 5.2 LELow energy consumption; Bluetooth 6.0 LELow energy consumption
Bluetooth profiles: A2DP (Advanced Audio Distribution Profile), LE (Low Energy), LDAC, SBC, AAC; A2DP (Advanced Audio Distribution Profile), LE (Low Energy), APT-x, 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: A-GPS, GLONASS, Beidou, QZSS, Galileo, GPS (L1+L5), GLONASS (L1), BeiDou (B1), Galileo (E1+E5a), BeiDou (B2), NavIC System, QZSS (L1 + L5); GPS, A-GPS, GLONASS, Beidou, QZSS, Galileo, GPS (L1+L5), BeiDou (B1), Galileo (E1+E5a), BeiDou (B2), NavIC System, QZSS (L1 + L5)

5G: n1 (2100), n3 (1800), n5 (850), n8 (900), n28a (700), n38 (2600), n40 (2300), n41 (2500), n77 (3700), n78 (3500); n1 (2100), n3 (1800), n5 (850), n8 (900), n28b (700), n28a (700), n38 (2600), n40 (2300), n41 (2500), n48 (3500), n66 (1700), n77 (3700), n78 (3500)
4G LTE: 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); B1 (2100), B3 (1800), B4 (1700/2100 AWS 1), B5 (850), B8 (900), B18 (800), B19 (800), B26 (850), B28b (700), B28a (700), B34 (TDD 2100), B38 (TDD 2600), B39 (TDD 1900), B40 (TDD 2300), B41 (TDD 2500), B42 (TDD 3500), B48 (TDD 3600), B66 (1700/2100)
3G: B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B6 (800), B8 (900), B19 (800); B1 (2100), 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); B2 (1900), B3 (1800), B5 (850), B8 (900)

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