Blackview BV4900S vs Xiaomi Redmi K40S

Blackview
BV4900S

Xiaomi
Redmi K40S
At a glance
- Brand
- Blackview
- Xiaomi
- Release date
- October 2021, 4 years 7 months ago
- March 2022, 4 years 2 months ago
- AnTuTu
- 114.300 Antutu v9 Overall performance better than 52% of devices
- 785.648 Antutu v10 Overall performance better than 80% of devices
Display
- Size
- 5.7"
- 6.67"
- Resolution
- 720 x 1440 px HD+
- 1080 x 2400 px FHD+
- Type
- LCD IPS
- AMOLED Samsung E4
- Density
- 282 ppi Medium Density
- 395 ppi High Density
- Aspect ratio
- 18:9
- 20:9
- Features
- Without Notch, Scratch resistant, Dragontrail glass, Capacitive, Multi-touch
- 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
Performance
- Chipset
- Spreadtrum Unisoc SC9863A
- Qualcomm Snapdragon 870 (SM8250-AC)
- CPU
- 4x Cortex A55 1.6 GHz + 4x Cortex A55 1.2 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
- 28 nm
- 7 nm
- Frequency
- 1.6 GHz
- 3.2 GHz
- GPU
- PowerVR GE8322
- Qualcomm Adreno 650
- RAM
- 2 GB
- 6 GB
- RAM type
- LPDDR3 RAM
- RAM LPDDR5
- 64-bit
- Yes
- Yes
Rear camera
- Resolution
- 8 Mpx
- 48 Mpx
- Aperture
- ƒ/ 2.4
- ƒ/ 1.79
- Sensor
- Sony IMX134 Exmor RS
- Sony IMX582 Exmor RS
- Pixel size
- 1.12 µm
- 0.60 µm
- Sensor size
- 1/4"
- 1/2.96"
- Flash
- LED
- LED
- Optical stabilization
- No
- Yes
- Slow motion
- No, 30 fps
- Yes, 960 fps
- Features
- Digital zoom, Autofocus, Touch focus, 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
Front camera
- Resolution
- 5 Mpx
- 20 Mpx
- Aperture
- ƒ/ 2.2
- Unknow
- Sensor
- Samsung
- Sony IMX596
- Pixel size
- —
- 0.80 µm
Battery
- Capacity
- 5580 mAh
- 4500 mAh
- Type
- Li-Polymer
- Li-Polymer
- Fast charge
- Yes , 5.0W
- Yes , 67.0W
- Features
- Reverse charging, Non-removable
- Non-removable
Storage
- Capacity
- 32 GB
- 128 GB
- Type
- eMMC 5.1 Storage
- UFS Storage 3.1
- SD slot
- Yes , Slot for SD or second SIM card
- No
Body
- Dimensions
- 78.1 mm 157.5 mm 13.7 mm Print 3D Model
- 75.9 mm 163.2 mm 7.7 mm Print 3D Model
- Weight
- 261 g
- 195 g
- Materials
- Rugged Smartphone, Polycarbonate
- Plastic
- Colors
- Black Yellow Green Orange
- Black Blue Silver Green
- Water/dust resistance
- IP68, MIL-STD-810G
- IP53
- Usable surface
- 68 %
- 86 %
Software
- Operating system
- Android 11 Red Velvet Cake Android 11
- Android 14 Upside-down cake HyperOS (Android 14)
- Google services
- With Google Mobile Services
- Without Google Mobile services
Connectivity
- SIM
- Dual SIM Dual Standby (Nano SIM + Nano SIM)
- Dual SIM Dual Standby (Nano SIM + Nano SIM)
- Bluetooth
- Bluetooth 5.0
- Bluetooth 5.2 LELow energy consumption
- Bluetooth profiles
- A2DP (Advanced Audio Distribution Profile)
- 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 features
- Charging, OTG
- Charging, OTG
- Navigation
- GPS, A-GPS, GLONASS, Beidou, Galileo
- A-GPS, GLONASS, Beidou, QZSS, Galileo, GPS (L1+L5), GLONASS (L1), BeiDou (B1), Galileo (E1+E5a), BeiDou (B2), NavIC System, QZSS (L1 + L5)
- USB
- —
- USB Type-C
Networks
- 4G LTE
- B1 (2100), B3 (1800), B7 (2600), B8 (900), B20 (800), B40 (TDD 2300)
- 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)
- B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B6 (800), B8 (900), B19 (800)
- 2G
- B2 (1900), 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)
Sensors & security
- Fingerprint
- No
- Yes, on the side
- Accelerometer
- Yes
- Yes
- Gyroscope
- Yes
- Yes
- Proximity
- Yes
- —
- Light sensor
- Yes
- Yes
- Cooling system
- No
- Yes
- Audio
- —
- Dolby Atmos, Hi-Res Audio, Stereo Speakers, 2 microphones














