Microsoft Surface Duo 2 vs Xiaomi Redmi K40S
Microsoft Surface Duo 2
Xiaomi Redmi K40S
-
Network
-
2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900; CDMA 800
-
3G networkHSDPA 850, 900, 1900, 2100HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1x
-
4G networkLTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 42, 46, 48, 66, 71LTE frequency band 1, 2, 3, 4, 5, 8, 18, 19, 26, 34, 38, 39, 40, 41, 42
-
5G network5G band 1, 2, 3, 5, 7, 20, 25, 28, 38, 41, 66, 71, 77, 78, 79 SA/NSA/Sub6 - global; 1, 2, 3, 5, 7, 20, 25, 28, 38, 41, 66, 71, 77, 78, 79, 257, 260, 261 SA/NSA/Sub6/mmWave - USA5G band 1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA
-
HSDPA speed42.2 Mbps42.2 Mbps
-
HSUPA speed5.76 Mbps5.76 Mbps
-
LTE speedLTE-A (5CA) Cat20, 2000 Mbps download, 150 Mbps uploadLTE-A
-
5G speed6 Gbps download-
-
GPRSYesYes
-
EDGEYesYes
-
Availability
-
Oficially announced2021-092022-03
-
Status2021-102022-03
-
Design
-
BuildGlass front (Gorilla Glass Victus), glass back (Gorilla Glass)Glass front (Gorilla Glass 5), plastic back
-
SIMNano-SIM, eSIMDual SIM (Nano-SIM, dual stand-by)
-
Height145.2 mm163.2 mm
-
Width93.1 mm76 mm
-
Thickness11 mm7.7 mm
-
Height unfolded184.5 mm-
-
Width unfolded145.2 mm-
-
Thickness unfolded5.5 mm-
-
Weight284 g195 g
-
StylusYes-
-
Splash resistant-Yes
-
ColorsGlacier, ObsidianBlack, Blue, Gray, Green
-
Display
-
Display typeAMOLED capacitive touchscreenAMOLED
-
Physical size8.3 inches6.67 inches
-
Resolution1892 x 2588 pixels1080 x 2400 pixels
-
Pixel density401 ppi395 ppi
-
Display colors1677721616777216
-
ProtectionCorning Gorilla Glass VictusScratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 5
-
Display features90Hz, HDR, 800 nits (peak)120Hz, HDR10+, 1300 nits (peak)
-
Cover displayAMOLED capacitive touchscreen-
-
Cover display physical size5.8 inches-
-
Cover display resolution1344 x 1892 pixels-
-
Hardware
-
CPUOcta-coreOcta-core
-
CPUSingle-core 2.84 GHz Kryo 680Single-core 3.2 GHz Kryo 585
-
CPU(second)Triple-core 2.42 GHz Kryo 680Triple-core 2.42 GHz Kryo 585
-
CPU(third)Quad-core 1.80 GHz Kryo 680Quad-core 1.80 GHz Kryo 585
-
ChipsetQualcomm SM8350 Snapdragon 888 5GQualcomm SM8250-AC Snapdragon 870 5G
-
GPUAdreno 660Adreno 650
-
Memory RAM8 GB6, 8, 12 GB
-
Internal storage128, 256, 512 GB128, 256 GB
-
Memory cardNoNo
-
StorageUFSUFS 3.1
-
OS
-
OSAndroid 11Android 12, MIUI 13
-
Main camera
-
Camera typeTripleTriple
-
Main camera(wide) , 12 MP, f/1.7 , 27 mm, 1.4 µm(wide) , 48 MP, f/1.8 , 0.8 µm, 1/2"
-
(telephoto) , 12 MP, f/2.4 , 51 mm, 1.0 µm, 2x optical zoom(ultrawide) , 8 MP, 119˚
-
(ultrawide) , 13 MP, f/2.2 , 1.0 µm(macro) , 2 MP, f/2.4
-
Primary camera resolution-8000 x 6000 pixels
-
Primary camera video4K@30/60fps, 1080p@30/60/120/240fps, gyro-EIS, HDR4K@30fps, 1080p@30/60/120fps, 720p@960fps; gyro-EIS
-
Primary camera flash-dual-LED dual-tone flash
-
Camera featuresAutofocus, continuous shooting, digital zoom, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro-mode, phase detection autofocusAutofocus, continuous shooting, digital zoom, optical zoom, digital image stabilization, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus
-
Selfie camera
-
Selfie camera typeSingleSingle
-
Selfie camera(wide) , 12 MP, f/2.0 , 24 mm, 1.0 µm(wide) , 20 MP
-
Selfie camera features-Face unlock, HDR
-
Selfie camera video1080p@30fps1080p@30/120fps
-
Sound
-
3.5mm jack-No
-
LoudspeakerYes, with stereo speakersYes, with stereo speakers
-
Earpiece-Yes
-
Multimedia
-
RadioNoNo
-
Connectivity
-
WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11axWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11ax
-
WLAN WiFi HotspotWi-Fi hotspotYes
-
WLAN WiFi DirectWi-Fi directYes
-
WLAN WiFi Dual BandDual-bandYes
-
USBType-C 3.2, DisplayPortType-C 2.0
-
USB On-The-Go-Yes
-
Bluetoothv5.1v5.2
-
Bluetooth A2DPA2DPYes
-
bluetooth LELEYes
-
Bluetooth AptXaptX Adaptive-
-
NFC-Yes
-
GPSYes, with A-GPSYes, with A-GPS
-
GLONASS-Yes
-
GALILEO-Yes
-
BDS-Yes
-
QZSS-Yes
-
NavIC-Yes
-
Features
-
SensorsDual accelerometer, dual compass, fingerprint, dual gyroscope, dual proximityAccelerometer, color spectrum, compass, fingerprint, gyroscope, proximity
-
Browser
-
HTMLHTML5HTML5
-
Battery
-
Battery typeLi-PoLi-Po
-
Battery capacity4449 mAh4500 mAh
-
Battery removableNon-removableNon-removable
-
Fast battery chargingYes, 23WQuick Charge 3+, 67W (100% in 38 min)
-
Talk time 4G28 h-
-
Tests and performance
-
Antutu750000 (v9)715000 (v9)
-
Geekbench(single-core)1091 (v5.4)983 (v5.2)
-
Geekbench(multi-core)3517 (v5.4)3362 (v5.2)
-
Cost
-
Price1900 USD290 USD