Xiaomi Mi 11 Ultra vs Microsoft Surface Duo

Phones Images
Xiaomi Mi 11 Ultra Microsoft Surface Duo
PHONES
Phone Names Xiaomi Mi 11 Ultra Microsoft Surface Duo
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 850 / 900 / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 32, 38, 40, 41, 42, 66 - International1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 19 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 66
5G bands1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78, 79 SA/NSA - International-
SpeedHSPA, LTE, 5GHSPA 42.2/5.76 Mbps, LTE Cat18 1200/150 Mbps
TechnologyGSM / CDMA / HSPA / EVDO / LTE / 5GGSM / HSPA / LTE
 1, 3, 28, 41, 77, 78, 79 SA/NSA - China-
Launch
Announced2021, March 292020, August 12. Released 2020, September 10
StatusAvailable. Released 2021, April 02Discontinued
Body
BuildGlass front (Gorilla Glass Victus), ceramic back, aluminum frameGlass front (Gorilla Glass 5), glass back (Gorilla Glass 5)
Dimensions164.3 x 74.6 x 8.4 mm (6.47 x 2.94 x 0.33 in)Unfolded: 186.9 x 145.2 x 4.8 mm Folded: 145.2 x 93.3 x 9.9 mm
SIMNano-SIM + Nano-SIMNano-SIM + eSIM
Weight234 g (8.25 oz)250 g (8.82 oz)
 IP68 dust/water resistant (up to 1.5m for 30 min)Stylus support
Display
ProtectionCorning Gorilla Glass VictusCorning Gorilla Glass 5
Resolution1440 x 3200 pixels, 20:9 ratio (~515 ppi density)1800 x 2700 pixels, 3:2 ratio (~401 ppi density)
Size6.81 inches, 112.0 cm2 (~91.4% screen-to-body ratio)8.1 inches, 195.4 cm2 (~144.2% screen-to-body ratio)
TypeAMOLED, 1B colors, 120Hz, HDR10+, Dolby Vision, 900 nits (HBM), 1700 nits (peak)AMOLED
 -Folded position display: 5.6 inches, AMOLED, 1350 x 1800 pixels (4:3)
Platform
CPUOcta-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55)Octa-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485)
ChipsetQualcomm SM8350 Snapdragon 888 5G (5 nm)Qualcomm SM8150 Snapdragon 855 (7 nm)
GPUAdreno 660Adreno 640
OSAndroid 11, upgradable to Android 13, MIUI 14Android 10, upgradable to Android 12
Memory
Card slotNoNo
Internal256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM128GB 6GB RAM, 256GB 6GB RAM
 UFS 3.1UFS 3.0
Main Camera
FeaturesLaser AF, color spectrum sensor, Dual-LED flash, HDR, panorama, 1.1” AMOLED selfie displayHDR, panorama
Single20 MP, f/2.2, 27mm (wide), 1/3.4", 0.8µm11 MP, f/2.0, 23mm (wide), 1.0µm, PDAF
Triple50 MP, f/2.0, 24mm (wide), 1/1.12", 1.4µm, dual pixel PDAF, OIS 48 MP, f/4.1, 120mm (periscope telephoto), 1/2.0", 0.8µm, PDAF, OIS, 5x optical zoom 48 MP, f/2.2, 12mm, 128˚ (ultrawide), 1/2.0", 0.8µm, PDAF-
Video8K@24fps, 4K@30/60fps, 1080p@30/60/120/240/960/1920fps, gyro-EIS, HDR10+ rec.4K@30/60fps, 1080p@30/60/120/240fps, gyro-EIS, HDR
Selfie camera
FeaturesHDR, panoramaHDR, panorama
Single20 MP, f/2.2, 27mm (wide), 1/3.4", 0.8µmUses main camera
Video1080p@30/60fps, 720p@120fps, gyro-EIS4K@30/60fps, 1080p@30/60fps, gyro-EIS, HDR
Sound
3.5mm jack NoNo
35mm jackNoNo
Loudspeaker Yes, with stereo speakersYes
 24-bit/192kHz audio Tuned by Harman Kardon-
Comms
Bluetooth5.2, A2DP, LE, aptX HD, aptX Adaptive5.0, A2DP, LE, aptX Adaptive
Infrared portYes-
NFCYesNo
PositioningGPS (L1+L5), GLONASS (L1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5)GPS
RadioNoNo
USBUSB Type-C 2.0, OTGUSB Type-C 3.1
WLANWi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct, DLNAWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (under display, optical), accelerometer, gyro, compassFingerprint (side-mounted), dual accelerometer, dual gyro, proximity, dual compass
 Virtual proximity sensing-
Battery
Charging67W wired, PD3.0, QC4, 100% in 36 min 67W wireless, 100% in 39 min 10W reverse wireless18W wired
TypeLi-Po 5000 mAhLi-Po 3577 mAh
Misc
ColorsCeramic White (Cosmic White), Ceramic Black (Cosmic Black)White
ModelsM2102K1G, M2102K1C-
PriceAbout 1500 EURAbout 650 EUR
SAR1.08 W/kg (head)     0.81 W/kg (body)-
SAR EU0.55 W/kg (head)     0.99 W/kg (body)-
Tests
Battery life Endurance rating 95h -
Camera Photo / Video-
Display Contrast ratio: Infinite (nominal)-
Loudspeaker -24.3 LUFS (Very good) -
Performance AnTuTu: 688720 (v8) GeekBench: 3191 (v5.1) GFXBench: 33fps (ES 3.1 onscreen)-
OUR TESTS
Battery (old)Endurance rating 95h-
CameraPhoto / Video-
Display943 nits max brightness (measured)-
Loudspeaker-24.3 LUFS (Very good)-
PerformanceAnTuTu: 688720 (v8) GeekBench: 3191 (v5.1) GFXBench: 33fps (ES 3.1 onscreen)-