Compare Redmi K40 Pro+ vs ASUS ZenFone 6 vs ASUS ZenFone 8
Connectivity
Ports
USB-C
USB-C 2.0 + 3.5mm audio combo
USB-C 2.0 + 3.5mm audio combo
Wireless Connectivity
WiFi 6E, Bluetooth 5.2, NFC, IR blaster
WiFi 5 + Bluetooth 5.0 + NFC
WiFi 6E + Bluetooth 5.2 + NFC
Construction
Battery | Capacity
4520 mAh
5000 mAh
4000 mAh
Camera | Front
20MP
Motorized flip-up main camera module that doubles as front camera
Sony flagship IMX663 12 MP, f/2.5, 28mm, 1/2.93", 1.22µm, dual pixel PDAF
Camera | Rear | Telephoto
5MP
Camera | Rear | Ultra-Wide
8MP, f/2.2
13 MP, f/2.4, 11mm
Sony IMX363 dual pixel, 12 MP, f/2.2, 112˚, 14mm, 1/2.55", 1.4µm, dual pixel PDAF
Camera | Rear | Wide
108MP, Samsung HM2, f/1.75
48 MP, f/1.8, 26mm
Sony flagship IMX686 64 MP, f/1.8, 26mm, 1/1.73", 0.8µm, PDAF, OIS
Colors
Glossy Black, Icy White, and Dreamland
Twilight Silver, Midnight Black, Matte Black
Obsidian Black, Horizon Silver, Moonlight White
Material
Corning Gorrila Glass 5
Corning Gorilla Glass 6
Glass front (Gorilla Glass Victus), glass back (Gorilla Glass 3), aluminum frame
Microphone
Triple microphones with OZO Audio Zoom & ASUS Noise Reduction Technology
Speakers
Dual speakers
Dual stereo speakers with Dirac HD Sound
Dimensions
Bezels
92% screen-to-body ratio
82.9% screen-to-body ratio
Size | Depth
7.8 mm
159.1 mm / 6.26 inches
Size | Height
163.7 mm
9.1 mm / 0.36 inches
8.9 mm / 0.35"
Size | Length
148 mm / 5.83"
Size | Width
76.4 mm
75.44 mm / 2.97 inches
68.5 mm / 2.7"
Weight
196 g
190 g / 6.7 oz
169 g / 5.96 oz
Display
Aspect Ratio
20:9
20:9
Brightness
900 nits (typ) / 1300 nits (max)
600 nits
700 nits standard / 1100 nits peak
Contrast Ratio
5,000,000:1 (typical)
Display Color Depth
10-bit
Display Diagonal
6.67 inch
6.4 inch
5.9 inch
Display Type
Samsung E4 AMOLED (OLED)
IPS
Samsung Super AMOLED (OLED)
Gamut
100% DCI-P3
96% NTSC, 100% DCI-P3
112% DCI-P3, 107% NTSC, 151.9% sRGB
Pixel Density
446 ppi
Refresh Rate
120 Hz
120 Hz
Resolution
FHD+ 2400x1080
FHD+ 2340x1080
FHD+ 2400x1080
Response Time
1 ms
Function
Audio
Dolby Atmos
Bluetooth Codecs
AAC / LDAC / LHDC
Bluetooth Profiles
EDR + A2DP + aptX Adaptive
A2DP, LE, aptX HD, aptX Adaptive
Chipset
Qualcomm Snapdragon 888
Qualcomm SM8150 Snapdragon 855 (7 nm)
Qualcomm Snapdragon 888 5G Mobile Platform (5nm)
DAC
Qualcomm Audio CODEC
Fast Charging
55W wired turbo charging
18W Quick Charge 4.0 + 10W Reverse Charging
Fast charging 30W, 60% in 25 min, 100% in 80 min
GPS
GPS: L1+L5 / Galileo: E1+E5a / GLONASS: G1 / Beidou
GPS (Dual bands, L1+L5), GLONASS (G1), BDS (B1), GALILEO (Dual bands, E1+E5a), QZSS (Dual bands, L1+L5)
GPS (L1/L5), Glonass (L1), Galileo (E1/E5a), BeiDou (B1/B2a), QZSS (L1/L5), NavIC (L5)
Graphics
Qualcomm Adreno 660 GPU
Adreno 640
Qualcomm Adreno 660
HDR
HDR10+
HDR10
HDR 10 and HDR10+ certified
Operating System
MIUI 12, Android 11
Android with ZenUI
Android 11, ZenUI 8
Processor
Qualcomm Kryo 680, 8-core
Octa-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485)
64-bit Octa-core (1x2.84 GHz Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680)
SIM
Dual nano 5G
Dual 4G
Dual Nano 5G
Security
Side-mounted fingerprint sensor
Sensor
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Gyroscope sensor, E-compass sensor, Proximity sensor, Ambient light sensor, G-sensor, Hall sensor, In-display fingerprint sensor, Accelerator sensor, Face recognition sensor, Angle sensor
Touch Screen
360Hz touch sampling rate
Capacitive touch panel with 10 points multi-touch
Capacitive touch panel with 10 points multi-touch
Tuner
FM Radio
FM Radio
Video Recording
8K 30fps / 4K 60fps / FHD 960fps
4K 60fps / FHD 240fps / HD 480fps gyro-EIS
8K 24fps / 4K 120fps / FHD 240fps / HD 480fps dual pixel PDAF
Weather Resistance
IP65/IP68
Performance
Charging Time
52min to 100%
Memory | Capacity
12 GB
6 / 8 GB
6, 8, 12, or 16 GB
Memory | Type
LPDDR5 6400Mbps
LPDDR5
Power Supply
33 W
Storage
256 GB UFS 3.1
Up to 256GB UFS2.1 + microSD
128 or 256 GB UFS3.1
Production
Debut
2021-02-25
2019-05
2021-05-12
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