vivo X51 5G vs Xiaomi Mi 11i

Phones Images
PHONES
Phone Names vivo X51 5G Xiaomi Mi 11i
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 32, 38, 39, 40, 41, 661, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 38, 40, 41, 66
5G bands1, 3, 7, 8, 28, 38, 41, 77, 78 SA/NSA1, 3, 5, 7, 8, 20, 28, 38, 41, 77, 78 SA/NSA
SpeedHSPA, LTE, 5GHSPA, LTE, 5G
TechnologyGSM / CDMA / HSPA / LTE / 5GGSM / HSPA / LTE / 5G
 CDMA 800 -
Launch
Announced2020, October 21. Released 2020, October 232021, March 29
StatusDiscontinuedAvailable. Released 2021, May 31
Body
BuildGlass front, glass back, aluminum frame-
Dimensions158.5 x 72.8 x 8 mm (6.24 x 2.87 x 0.31 in)163.7 x 76.4 x 7.8 mm (6.44 x 3.01 x 0.31 in)
KeyboardQWERTY-
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight181.5 g (6.42 oz)196 g (6.91 oz)
 -IP53, dust and splash resistant
Display
Protection-Corning Gorilla Glass 5
Resolution1080 x 2376 pixels (~398 ppi density)1080 x 2400 pixels, 20:9 ratio (~395 ppi density)
Size6.56 inches, 104.6 cm2 (~90.6% screen-to-body ratio)6.67 inches, 107.4 cm2 (~85.9% screen-to-body ratio)
TypeAMOLED, 90Hz, HDR10+Super AMOLED, 120Hz, HDR10+, 900 nits (HBM), 1300 nits (peak)
Platform
CPUOcta-core (1x2.4 GHz Kryo 475 Prime & 1x2.2 GHz Kryo 475 Gold & 6x1.8 GHz Kryo 475 Silver)Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55)
ChipsetQualcomm SM7250 Snapdragon 765G 5G (7 nm)Qualcomm SM8350 Snapdragon 888 5G (5 nm)
GPUAdreno 620Adreno 660
OSAndroid 10, Funtouch 10.0Android 11, MIUI 12
Memory
Card slotNoNo
Internal256GB 8GB RAM128GB 8GB RAM, 256GB 8GB RAM
 UFS 2.1 UFS 3.1
Main Camera
FeaturesLaser AF, color spectrum sensor, Dual-LED dual-tone flash, HDR, panoramaColor spectrum sensor, LED flash, HDR, panorama
Quad48 MP, f/1.6, (wide), PDAF, gimbal OIS 8 MP, f/3.4, 135mm (periscope telephoto), 1/4.0", PDAF, OIS, 5x optical zoom 13 MP, f/2.5, 50mm (telephoto), 1/2.8", 0.8µm, PDAF, 2x optical zoom 8 MP, f/2.2, 120˚, 16mm (ultrawide), 1/4.0", 1.12µm-
Single3.15 MP20 MP, f/2.5, (wide), 1/3.4", 0.8µm
Triple-108 MP, f/1.8, 26mm (wide), 1/1.52", 0.7µm, PDAF 8 MP, f/2.2, 119˚ (ultrawide) 5 MP, f/2.4, 50mm (telephoto macro), 1/5.0", 1.12µm, AF
Video4K@30fps, 1080p@30fps, gyro-EIS8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS, HDR10+
Selfie camera
FeaturesHDRHDR
Single32 MP, f/2.5, 26mm (wide), 1/2.8", 0.8µm20 MP, f/2.5, (wide), 1/3.4", 0.8µm
Video1080p@30fps1080p@30fps, 720p@120fps
Sound
3.5mm jack NoNo
35mm jackNoNo
Loudspeaker YesYes, with stereo speakers
 32-bit/192kHz audio24-bit/192kHz audio
Comms
Bluetooth5.1, A2DP, LE, aptX HD5.2, A2DP, LE
Infrared port-Yes
NFCYesYes (market/region dependent)
PositioningGPS, GLONASS, GALILEO, BDSGPS (L1+L5), GLONASS (L1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5)
RadioNoNo
USBUSB Type-C 2.0, OTGUSB Type-C 2.0, OTG
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Features
BrowserHTML-
SensorsFingerprint (under display, optical), accelerometer, gyro, proximity, compassFingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer
Battery
Charging33W wired, 57% in 30 min33W wired, PD3.0, QC3, 100% in 52 min
Music playUp to 5 h-
Stand-byUp to 312 h-
Talk timeUp to 3 h-
Type4315 mAhLi-Po 4520 mAh
Misc
ColorsGrayCelestial Silver, Frosty White, Cosmic Black
ModelsXE710M2012K11G
PriceAbout 760 EURAbout 230 EUR
SAR0.35 W/kg (head)     0.95 W/kg (body)     0.95 W/kg (head)     0.74 W/kg (body)
SAR EU0.20 W/kg (head)     0.57 W/kg (head)     0.77 W/kg (body)
Pricing
256GB 8GB RAM$ 885.00-
Tests
Battery life- Endurance rating 96h
Camera- Photo / Video
Display- Contrast ratio: Infinite (nominal)
Loudspeaker- -26.0 LUFS (Very good)
Performance- AnTuTu: 690021 (v8) GeekBench: 3641 (v5.1)
OUR TESTS
Battery (old)-Endurance rating 96h
Camera-Photo / Video
Display-939 nits max brightness (measured)
Loudspeaker--26.0 LUFS (Very good)
Performance-AnTuTu: 690021 (v8) GeekBench: 3641 (v5.1)