Samsung Galaxy S21+ vs Xiaomi Mi 11
Better figure, where one is clearly better
| SamsungGalaxy S21+ | XiaomiMi 11 | |
|---|---|---|
| Overview | ||
| Released | January 2021 | January 2021 |
| Display | ||
| Screen size | 6.7″ | 6.81″ |
| Resolution | 2400 × 1080 | 3200 × 1440 (better) |
| Sharpness | 393 pixels per inch | 515 pixels per inch (better) |
| Panel | OLED | OLED |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | – | 1,500 nits |
| Display type | Flat 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 corners | Quad-curved AMOLED with Gorilla Glass Victus. |
| Pixel density | 394 ppi | – |
| Brightness detail | 1,300 nits peak | – |
| Screen protection | Corning Gorilla Glass Victus front and back | – |
| Display features | Eye Comfort Shield | AdaptiveSync at 30/60/90/120 Hz, 480 Hz touch sampling and 900 nits high-brightness mode; HDR10+ and 10-bit colour. |
| Performance | ||
| Chip | Exynos 2100 | Qualcomm Snapdragon 888 |
| Memory | 8 GB | 8 GB |
| Storage | 128 GB, 256 GB | 128 GB, 256 GB |
| CPU | 5 nm, 64-bit octa-core, 2.9 GHz + 2.8 GHz + 2.2 GHz; 8 GB of LPDDR5 RAM | 5 nm Snapdragon 888 with Kryo 680 CPU; no unpublished CPU clock inferred. |
| GPU | – | Adreno 660. |
| Storage type | 128 or 256 GB; no microSD slot | LPDDR5 RAM and UFS 3.1 storage; no microSD expansion (Tech Advisor). |
| Cameras | ||
| Main camera | 12 MP | 108 MP (better) |
| Ultra wide camera | 12 MP | 13 MP |
| Telephoto camera | 64 MP | None |
| Optical zoom | 1.1× (better) | None |
| Front camera | 10 MP | 20 MP (better) |
| Main camera | 12 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 camera | 12 MP fixed focus, F2.2, 1.4 µm, 120° | f/2.4 and 123° field of view. |
| Telephoto camera | 64 MP, phase detection AF, OIS, F2.0, 0.8 µm, 76°; 1.1x optical zoom (MobileSyrup) | – |
| Front camera | 10 MP Dual Pixel AF, F2.2, 1.22 µm, 80° | – |
| Zoom | 3x Hybrid Optic Zoom; 30x Space Zoom | – |
| Video recording | 8K at 24 fps; 4K at 60 fps | Rear 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 | ||
| Battery | 4,800 mAh (better) | 4,600 mAh |
| Video playback (maker's claim) | Up to 22 hours | – |
| Wired charging | Up to 25 W | Up to 55 W (better) |
| Wireless charging | Up to 15 W | Up to 50 W (better) |
| Battery life detail | 4,800 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 charging | USB PD 3.0 (PPS) fast charging, AFC and QC2.0 compatible; up to 25 W | 55 W GaN charger included in the UK; maker laboratory claim of 45 minutes to full charge, with actual results varying. |
| Wireless charging | Fast Wireless Charging 2.0 (WPC); up to 15 W | 50 W wireless and 10 W reverse wireless charging. Maker rates control Tech Advisor's swapped closing specification table. |
| Charges other devices | Wireless PowerShare | – |
| Design | ||
| Type | Standard | Standard |
| Weight | 200 g | 196 g (better) |
| Thickness | 7.8 mm (better) | 8.06 mm |
| Height × width | 161.5 × 75.6 mm | 164.3 × 74.6 mm |
| Water and dust resistance | IP68 | – |
| Materials | Metal frame with Contour Cut camera housing; Deluxe Frosted Haze matte finish | Curved glass back and Gorilla Glass Victus over the display. |
| Colours | Phantom Violet, Phantom Silver, Phantom Black | Horizon 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 detail | IP68, up to 1.5 m of fresh water for up to 30 minutes; not advised for beach or pool use | – |
| Biometrics | Ultrasonic in-screen fingerprint sensor, face recognition | In-display fingerprint sensor and AI face unlock; heart-rate monitoring was subject to an OTA update. |
| Sensors | Ultrasonic fingerprint, accelerometer, barometer, gyro, geomagnetic, Hall, proximity, ambient light | – |
| Speakers | Stereo speakers; UHQ 32-bit and DSD64/128 playback | Dual speakers tuned with Harman Kardon. |
| Software | ||
| Operating system | Android | Android |
| Software at launch | Android 11 | MIUI 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 network | 5G (NSA, SA), Sub6 | – |
| SIM | Nano-SIM and eSIM | Dual SIM, with regional 5G band availability. |
| Wi-Fi | Wi-Fi 6 (802.11a/b/g/n/ac/ax), 2.4 and 5 GHz, HE80, MIMO, 1024-QAM | Wi-Fi 6, as confirmed by both UK maker pages; Tech Advisor instead lists Wi-Fi 6E. |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.2. |
| Ultra Wideband | Yes | – |
| NFC | Yes | Google Pay support is market-dependent, as stated by the UK maker sheet. |
| USB | USB Type-C, USB 3.2 Gen 1; DisplayPort output up to 4K at 60 fps | USB-C; no 3.5 mm socket (TechRadar). |
| Positioning | GPS, Galileo, Glonass, BeiDou | – |
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