Product
Xiaomi Mi 5
Xiaomi Mi 5
Xiaomi Redmi K20 Pro
Xiaomi Redmi K20 Pro
Battery
Charging 18W wired, QC3 27W wired, QC4
Type Li-Po 3000 mAh, non-removable Li-Po 4000 mAh, non-removable
Body
Build Glass front (Gorilla Glass 4), glass back (Gorilla Glass 4), aluminum frame Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame
Dimensions 144.6 x 69.2 x 7.3 mm (5.69 x 2.72 x 0.29 in) 156.7 x 74.3 x 8.8 mm (6.17 x 2.93 x 0.35 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 129 g / 139 g (Ceramic) (4.90 oz) 191 g (6.74 oz)
Comms
Bluetooth 4.2, A2DP, LE 5.0, A2DP, LE, aptX HD
Infrared port Yes -
NFC Yes Yes (China only)
Positioning GPS, GLONASS, BDS GPS (L1+L5), GLONASS (G1), BDS (B1), GALILEO (E1+E5a)
Radio No Yes
USB USB Type-C USB Type-C 2.0, OTG
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Display
Protection Corning Gorilla Glass 4 Corning Gorilla Glass 5
Resolution 1080 x 1920 pixels, 16:9 ratio (~428 ppi density) 1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)
Size 5.15 inches, 73.1 cm2 (~73.1% screen-to-body ratio) 6.39 inches, 100.2 cm2 (~86.1% screen-to-body ratio)
Type IPS LCD Super AMOLED, HDR10
Features
Sensors Fingerprint (front-mounted), accelerometer, gyro, proximity, compass, barometer Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Launch
Announced 2016, February. Released 2016, April 2019, May 28. Released 2019, June 01
Status Discontinued Discontinued
Main Camera
Features Dual-LED dual-tone flash, panorama, HDR Laser AF, Dual-LED flash, HDR, panorama
Single 16 MP, f/2.0, 1/2.8", 1.12µm, PDAF, 4-axis OIS -
Triple - 48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.4, 53mm (telephoto), 1/4.0", 1.12µm, PDAF, 2x optical zoom 13 MP, f/2.4, 12mm (ultrawide), 1/3.1", 1.12µm
Video 4K@30fps, 1080p@30fps, 720p@120fps 4K@30/60fps, 1080p@30/120/240fps, 1080p@960fps
Memory
Card slot No No
Internal 32GB 3GB RAM (Standard), 64GB 3GB RAM (Prime), 128GB 4GB RAM (Pro) 64GB 6GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
  UFS 2.0 UFS 2.1
Misc
Colors Black, White, Gold, Ceramic Carbon black, Flame red, Glacier blue, Summer Honey, Pearl White
Models 2015105 M1903F11I
SAR 0.38 W/kg (head)     0.80 W/kg (body)     1.03 W/kg (head)     0.72 W/kg (body)    
Network
2G bands GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 1900 / 2100 & TD-SCDMA HSDPA 850 / 900 / 1900 / 2100
4G bands 1, 3, 5, 7, 38, 39, 40, 41 - Global 1, 3, 5, 7, 8, 34, 38, 39, 40, 41
Speed HSPA 42.2/5.76 Mbps, LTE (3CA) Cat12 600/150 Mbps HSPA, LTE
Technology GSM / HSPA / EVDO / LTE GSM / HSPA / LTE
  1, 3, 7, 38, 39, 40, 41 - China -
Our Tests
Audio quality Noise -95.3dB / Crosstalk -95.4dB Noise -93.9dB / Crosstalk -94.2dB
Battery (old) Endurance rating 92h Endurance rating 103h
Camera Photo / Video Photo / Video
Display Contrast ratio: 1227:1 (nominal), 3.240 (sunlight) 643 nits max brightness (measured)
Loudspeaker Voice 67dB / Noise 67dB / Ring 74dB Voice 71dB / Noise 75dB / Ring 84dB
Performance Basemark OS II 2.0: 2180Basemark X: 33110 AnTuTu: 368846 (v7), 437823 (v8) GeekBench: 10684 (v4.4), 2732 (v5.1) GFXBench: 36fps (ES 3.1 onscreen)
Platform
Chipset Qualcomm MSM8996 Snapdragon 820 (14 nm) Qualcomm SM8150 Snapdragon 855 (7 nm)
CPU Quad-core (2x1.8 GHz Kryo & 2x1.36 GHz Kryo) - Standard editionQuad-core (2x2.15 GHz Kryo & 2x1.6 GHz Kryo) - Prime & Pro edition Octa-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485)
GPU Adreno 530 Adreno 640
OS Android 6.0 (Marshmallow), upgradable to Android 8.0 (Oreo), MIUI 10 Android 9.0 (Pie), upgradable to Android 10, MIUI 12
Selfie camera
Features - HDR
Single 4 MP, f/2.0, 1/3", 2µm Motorized pop-up 20 MP, f/2.2, (wide), 1/3.4", 0.8µm
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes
  - 24-bit/192kHz Hi-Res audio