Compare Xiaomi Redmi K30 Ultra vs Redmi K40 Pro+ vs ASUS ZenFone 8

Connectivity

Ports
USB-C
USB-C 2.0 + 3.5mm audio combo
Wireless Connectivity
WiFi 6, NFC, IR blaster
WiFi 6E, Bluetooth 5.2, NFC, IR blaster
WiFi 6E + Bluetooth 5.2 + NFC

Construction

Battery | Capacity
4500 mAh
4520 mAh
4000 mAh
Camera | Front
20MP pop-up front camera
20MP
Sony flagship IMX663 12 MP, f/2.5, 28mm, 1/2.93", 1.22µm, dual pixel PDAF
Camera | Rear
64MP main + 13MP 119°ultra wide-angle + 5MP telemacro + 2MP depth
Camera | Rear | Telephoto
5MP
Camera | Rear | Ultra-Wide
8MP, f/2.2
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
Sony flagship IMX686 64 MP, f/1.8, 26mm, 1/1.73", 0.8µm, PDAF, OIS
Colors
Moonlight White, Midnight Black, Mint Green
Glossy Black, Icy White, and Dreamland
Obsidian Black, Horizon Silver, Moonlight White
Material
Corning Gorrila Glass 5
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
82.9% screen-to-body ratio
Size | Depth
9.1 mm
7.8 mm
Size | Height
163.3 mm
163.7 mm
8.9 mm / 0.35"
Size | Length
148 mm / 5.83"
Size | Width
75.4 mm
76.4 mm
68.5 mm / 2.7"
Weight
213 g
196 g
169 g / 5.96 oz

Display

Aspect Ratio
20:9
20:9
Brightness
800 nits (HBM) / 1200 nits (typ)
900 nits (typ) / 1300 nits (max)
700 nits standard / 1100 nits peak
Contrast Ratio
5,000,000:1
5,000,000:1 (typical)
Display Color Depth
10-bit
Display Diagonal
6.67"
6.67 inch
5.9 inch
Display Type
AMOLED ultimate Full Screen Display
Samsung E4 AMOLED (OLED)
Samsung Super AMOLED (OLED)
Gamut
100% coverage DCI-P3
100% DCI-P3
112% DCI-P3, 107% NTSC, 151.9% sRGB
Pixel Density
446 ppi
Refresh Rate
120 Hz
120 Hz
120 Hz
Resolution
2400×1080 FHD+ display
FHD+ 2400x1080
FHD+ 2400x1080
Response Time
1 ms

Function

Audio
Dolby Atmos
Bluetooth Codecs
AAC / LDAC / LHDC
Bluetooth Profiles
A2DP, LE, aptX HD, aptX Adaptive
Chipset
MediaTek Dimensity 1000+ 5G processor
Qualcomm Snapdragon 888
Qualcomm Snapdragon 888 5G Mobile Platform (5nm)
DAC
Qualcomm Audio CODEC
Fast Charging
55W wired turbo charging
Fast charging 30W, 60% in 25 min, 100% in 80 min
GPS
GPS: L1+L5 / Galileo: E1+E5a / GLONASS: G1 / Beidou
GPS (L1/L5), Glonass (L1), Galileo (E1/E5a), BeiDou (B1/B2a), QZSS (L1/L5), NavIC (L5)
Graphics
Qualcomm Adreno 660 GPU
Qualcomm Adreno 660
HDR
HDR10+
HDR 10 and HDR10+ certified
Operating System
MIUI 12, Android 11
Android 11, ZenUI 8
Processor
Qualcomm Kryo 680, 8-core
64-bit Octa-core (1x2.84 GHz Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680)
SIM
Dual nano 5G
Dual Nano 5G
Security
Side-mounted fingerprint sensor
Sensor
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
Tuner
FM Radio
Video Recording
8K 30fps / 4K 60fps / FHD 960fps
8K 24fps / 4K 120fps / FHD 240fps / HD 480fps dual pixel PDAF
Weather Resistance
IP65/IP68

Performance

Charging Time
52min to 100%
Memory | Capacity
6 or 8GB
12 GB
6, 8, 12, or 16 GB
Memory | Type
LPDDR5 6400Mbps
LPDDR5
Power Supply
33 W
Sample Rate
240 Hz
Storage
128, 256, or 512 GB
256 GB UFS 3.1
128 or 256 GB UFS3.1

Production

Debut
2020-08-11
2021-02-25
2021-05-12
Made In
China

Price

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