Product
Vivo V11 (V11 Pro)
Vivo V11 (V11 Pro)
Xiaomi Redmi K20 Pro
Xiaomi Redmi K20 Pro
Battery
Charging 18W wired 27W wired, QC4
Type 3400 mAh, non-removable Li-Po 4000 mAh, non-removable
Body
Build Glass front (Gorilla Glass 3), glass back, plastic frame Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame
Dimensions 157.9 x 75 x 7.9 mm (6.22 x 2.95 x 0.31 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 156 g (5.50 oz) 191 g (6.74 oz)
Comms
Bluetooth 5.0, A2DP, LE, EDR 5.0, A2DP, LE, aptX HD
NFC No Yes (China only)
Positioning GPS, GLONASS, BDS GPS (L1+L5), GLONASS (G1), BDS (B1), GALILEO (E1+E5a)
Radio FM radio Yes
USB microUSB 2.0, OTG USB Type-C 2.0, OTG
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Display
Protection Corning Gorilla Glass 3 Corning Gorilla Glass 5
Resolution 1080 x 2340 pixels, 19.5:9 ratio (~402 ppi density) 1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)
Size 6.41 inches, 100.9 cm2 (~85.2% screen-to-body ratio) 6.39 inches, 100.2 cm2 (~86.1% screen-to-body ratio)
Type Super AMOLED Super AMOLED, HDR10
Features
Sensors Fingerprint (under display, optical), accelerometer, proximity, compass Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Launch
Announced 2018, September. Released 2018, September 2019, May 28. Released 2019, June 01
Status Discontinued Discontinued
Main Camera
Dual 12 MP, f/1.8, 1/2.8", dual pixel PDAF 5 MP, f/2.4, (depth) -
Features LED flash, HDR, panorama Laser AF, Dual-LED flash, HDR, panorama
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 4K@30/60fps, 1080p@30/120/240fps, 1080p@960fps
Memory
Card slot microSDXC (dedicated slot) No
Internal 64GB 6GB RAM, 128GB 6GB RAM 64GB 6GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
  eMMC 5.1 UFS 2.1
Misc
Colors Starry Night, Dazzling Gold, Nebula, Supernova Red Carbon black, Flame red, Glacier blue, Summer Honey, Pearl White
Models 1804, 1806, 1814, PD1813F_EX, V1814A M1903F11I
SAR 1.10 W/kg (head)     0.13 W/kg (body)     1.03 W/kg (head)     0.72 W/kg (body)    
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G bands 1, 3, 5, 7, 8, 38, 40, 41 1, 3, 5, 7, 8, 34, 38, 39, 40, 41
Speed HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps HSPA, LTE
Technology GSM / HSPA / LTE GSM / HSPA / LTE
Our Tests
Audio quality Noise -92.7dB / Crosstalk -92.1dB Noise -93.9dB / Crosstalk -94.2dB
Battery (old) Endurance rating 98h Endurance rating 103h
Camera Photo / Video Photo / Video
Display Contrast ratio: Infinite (nominal), 4.113 (sunlight) 643 nits max brightness (measured)
Loudspeaker Voice 70dB / Noise 73dB / Ring 80dB Voice 71dB / Noise 75dB / Ring 84dB
Performance GeekBench: 5535 (v4.4) GFXBench: 7.4fps (ES 3.1 onscreen) AnTuTu: 368846 (v7), 437823 (v8) GeekBench: 10684 (v4.4), 2732 (v5.1) GFXBench: 36fps (ES 3.1 onscreen)
Platform
Chipset Qualcomm SDM660 Snapdragon 660 (14 nm) Qualcomm SM8150 Snapdragon 855 (7 nm)
CPU Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver) Octa-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485)
GPU Adreno 512 Adreno 640
OS Android 8.1 (Oreo), upgradable to Android 9.0 (Pie), Funtouch 6.1 Android 9.0 (Pie), upgradable to Android 10, MIUI 12
Selfie camera
Features HDR HDR
Single 25 MP, f/2.0, 1/2.8", 0.9µm 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