Samsung Galaxy S21+ vs Xiaomi Mi 11

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

Galaxy S21+ compared with Mi 11
SamsungGalaxy S21+XiaomiMi 11
Overview
ReleasedJanuary 2021January 2021
Display
Screen size6.7″6.81″
Resolution2400 × 10803200 × 1440 (better)
Sharpness393 pixels per inch515 pixels per inch (better)
PanelOLEDOLED
Refresh rate120 Hz120 Hz
Peak brightness–1,500 nits
Display typeFlat FHD+ Dynamic AMOLED 2X Infinity-O Display (2,400 × 1,080), HDR10+ certified; adaptive 120 Hz (48–120 Hz); 6.7 inches as a full rectangle, 6.5 inches with rounded cornersQuad-curved AMOLED with Gorilla Glass Victus.
Pixel density394 ppi–
Brightness detail1,300 nits peak–
Screen protectionCorning Gorilla Glass Victus front and back–
Display featuresEye Comfort ShieldAdaptiveSync at 30/60/90/120 Hz, 480 Hz touch sampling and 900 nits high-brightness mode; HDR10+ and 10-bit colour.
Performance
ChipExynos 2100Qualcomm Snapdragon 888
Memory8 GB8 GB
Storage128 GB, 256 GB128 GB, 256 GB
CPU5 nm, 64-bit octa-core, 2.9 GHz + 2.8 GHz + 2.2 GHz; 8 GB of LPDDR5 RAM5 nm Snapdragon 888 with Kryo 680 CPU; no unpublished CPU clock inferred.
GPU–Adreno 660.
Storage type128 or 256 GB; no microSD slotLPDDR5 RAM and UFS 3.1 storage; no microSD expansion (Tech Advisor).
Cameras
Main camera12 MP108 MP (better)
Ultra wide camera12 MP13 MP
Telephoto camera64 MPNone
Optical zoom1.1× (better)None
Front camera10 MP20 MP (better)
Main camera12 MP wide-angle, Dual Pixel AF, OIS, F1.8, 1.8 µm, 79°f/1.85, 1/1.33-inch sensor, optical stabilisation and four-pixel binning to 1.6 µm.
Ultra wide camera12 MP fixed focus, F2.2, 1.4 µm, 120°f/2.4 and 123° field of view.
Telephoto camera64 MP, phase detection AF, OIS, F2.0, 0.8 µm, 76°; 1.1x optical zoom (MobileSyrup)–
Front camera10 MP Dual Pixel AF, F2.2, 1.22 µm, 80°–
Zoom3x Hybrid Optic Zoom; 30x Space Zoom–
Video recording8K at 24 fps; 4K at 60 fpsRear 8K at 24/30 fps, 4K at 30/60 fps and 1080p at 30/60 fps.
Front video–f/2.2 selfie camera; 1080p at 30 fps. Maker recording mode controls Tech Advisor's front HD60 claim.
Camera features–Additional 5 MP f/2.4 autofocus telemacro camera, focusing at 3–10 cm; a close-up camera rather than optical distance zoom. Night and movie-effect modes.
Battery and charging
Battery4,800 mAh (better)4,600 mAh
Video playback (maker's claim)Up to 22 hours–
Wired chargingUp to 25 WUp to 55 W (better)
Wireless chargingUp to 15 WUp to 50 W (better)
Battery life detail4,800 mAh typical, 4,660 mAh rated; wireless video playback up to 22 hours; internet use up to 15 hours (LTE) or 17 hours (Wi-Fi); talk time up to 40 hours (4G)–
Wired chargingUSB PD 3.0 (PPS) fast charging, AFC and QC2.0 compatible; up to 25 W55 W GaN charger included in the UK; maker laboratory claim of 45 minutes to full charge, with actual results varying.
Wireless chargingFast Wireless Charging 2.0 (WPC); up to 15 W50 W wireless and 10 W reverse wireless charging. Maker rates control Tech Advisor's swapped closing specification table.
Charges other devicesWireless PowerShare–
Design
TypeStandardStandard
Weight200 g196 g (better)
Thickness7.8 mm (better)8.06 mm
Height × width161.5 × 75.6 mm164.3 × 74.6 mm
Water and dust resistanceIP68–
MaterialsMetal frame with Contour Cut camera housing; Deluxe Frosted Haze matte finishCurved glass back and Gorilla Glass Victus over the display.
ColoursPhantom Violet, Phantom Silver, Phantom BlackHorizon Blue and Midnight Gray; maker pages also depict White and a textured-glass Lei Jun limited edition, without establishing UK availability of those editions.
Water resistance detailIP68, up to 1.5 m of fresh water for up to 30 minutes; not advised for beach or pool use–
BiometricsUltrasonic in-screen fingerprint sensor, face recognitionIn-display fingerprint sensor and AI face unlock; heart-rate monitoring was subject to an OTA update.
SensorsUltrasonic fingerprint, accelerometer, barometer, gyro, geomagnetic, Hall, proximity, ambient light–
SpeakersStereo speakers; UHQ 32-bit and DSD64/128 playbackDual speakers tuned with Harman Kardon.
Software
Operating systemAndroidAndroid
Software at launchAndroid 11MIUI 12 based on Android 11.
In the box–UK charger, USB-C cable, USB-C to 3.5 mm adapter, case, SIM tool and documents. Maker first-sale programme and contemporary Gizmochina coverage establish 1 January 2021 in China; the UK configurations above became available later.
Connectivity
Mobile network5G (NSA, SA), Sub6–
SIMNano-SIM and eSIMDual SIM, with regional 5G band availability.
Wi-FiWi-Fi 6 (802.11a/b/g/n/ac/ax), 2.4 and 5 GHz, HE80, MIMO, 1024-QAMWi-Fi 6, as confirmed by both UK maker pages; Tech Advisor instead lists Wi-Fi 6E.
BluetoothBluetooth 5.0Bluetooth 5.2.
Ultra WidebandYes–
NFCYesGoogle Pay support is market-dependent, as stated by the UK maker sheet.
USBUSB Type-C, USB 3.2 Gen 1; DisplayPort output up to 4K at 60 fpsUSB-C; no 3.5 mm socket (TechRadar).
PositioningGPS, Galileo, Glonass, BeiDou–

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