Xiaomi 15 Ultra vs Samsung Galaxy S21 Plus
Compare Xiaomi 15 Ultra and Samsung Galaxy S21 Plus to understand which one suits your needs the best. The Xiaomi 15 Ultra is priced from ₹1,09,999, while Samsung Galaxy S21 Plus is available at ₹81,999 respectively. In terms of performance and features, each device offers a unique combination of processor, display, camera, and battery capabilities. Explore their complete specifications and key differences side-by-side to make a well-informed buying decision.
Xiaomi 15 Ultra vs Samsung Galaxy S21 Plus Comparison Overview
| Key Highlights | Xiaomi 15 Ultra | Samsung Galaxy S21 Plus |
|---|---|---|
| Price | ₹1,09,999 | ₹81,999 |
| Processor | Qualcomm Snapdragon 8 Elite | Samsung Exynos 2100 |
| Display | 6.73", WQHD+ AMOLED, 120Hz | 6.7", FHD+ AMOLED, 120Hz |
| Rear Camera | 50MP (Wide-angle), 50MP (Telephoto), 200MP (Ultra-Telephoto), 50MP (Ultra-wide), 32MP (Front) | 64MP (Telephoto), 12MP (Wide-angle), 12MP (Ultra-wide), 10MP (Front) |
| Battery | 5410mAh, 90Watt, Charger in the box | 4800mAh, 25Watt, Charger in the box |
| RAM/Storage | 16GB (LPDDR5X), 512GB (UFS 4.1) | 8GB (LPDDR5), 128GB (UFS 3.1) |
Performance Scorecard
GamingSee More Details
Xiaomi 15 Ultra100
Samsung Galaxy S21 Plus46
CameraSee More Details
Xiaomi 15 Ultra100
Samsung Galaxy S21 Plus54
DisplaySee More Details
Xiaomi 15 Ultra100
Samsung Galaxy S21 Plus68
BatterySee More Details
Xiaomi 15 Ultra100
Samsung Galaxy S21 Plus60
BodySee More Details
Samsung Galaxy S21 Plus100
Xiaomi 15 Ultra83
Key Specifications
| Processor | Qualcomm Snapdragon 8 Elite | Samsung Exynos 2100 | ||
|---|---|---|---|---|
| Display | 6.73", WQHD+ AMOLED, 120Hz | 6.7", FHD+ AMOLED, 120Hz | ||
| Camera | 50MP (Wide-angle), 50MP (Telephoto), 200MP (Ultra-Telephoto), 50MP (Ultra-wide), 32MP (Front) | 64MP (Telephoto), 12MP (Wide-angle), 12MP (Ultra-wide), 10MP (Front) | ||
| Battery | 5410mAh, 90Watt, Charger in the box | 4800mAh, 25Watt, Charger in the box | ||
| RAM | 16GB (LPDDR5X) | 8GB (LPDDR5) | ||
| Storage | 512GB (UFS 4.1) | 128GB (UFS 3.1) |
General
| Box Contents | Phone, 90W Charger, Type-C Cable, Case, SIM Ejector Tool | Phone, Type-C cable, SIM Ejector Tool | ||
|---|---|---|---|---|
| Colors | Silver Chrome | Phantom Black, Phantom Silver, Phantom Violet, Phantom Pink, Phantom Gold, Phantom Red | ||
| Launch | March 11, 2025 | January 14, 2021 | ||
| Stores | Xiaomi, Amazon, Reliance Digital | Amazon, Flipkart | ||
| Launch Country | India | India | ||
| Launch Price | ₹1,09,999 | ₹81,999 |
Display
🏆 Winner: Xiaomi 15 Ultra
| Display Type | AMOLED | AMOLED | ||
|---|---|---|---|---|
| Refresh Rate | 120Hz | 120Hz | ||
| LTPO Support | Yes | - | ||
| Playback Quality | Dolby Vision | HDR10+ | ||
| Display Engine | Pro HDR | Dynamic 2X | ||
| Touch Sampling Rate | 300Hz | - | ||
| Display Size | 6.73 inches | 6.7 inches | ||
| Area | 108.9cm² | 107.8cm² | ||
| Display Form Factor | Quad Curved Display | Flat Display | ||
| Screen to Body Ratio | 90 | 88.3 | ||
| Resolution Width | 1440 pixels | 1080 pixels | ||
| Resolution Height | 3200 pixels | 2400 pixels | ||
| Aspect Ratio | 20:9 | 20:9 | ||
| Pixel Density | 522ppi | 394ppi | ||
| Display Bit Rate | 12-bit | 8-bit | ||
| Color Gamut Range | 100% | 100% | ||
| Display Resolution | WQHD+ | FHD+ | ||
| Peak Brightness | 3200 nits | 1300 nits | ||
| Eye Protection | TUV Rheinland certification | - | ||
| Colour Gamut | DCI-P3 | - | ||
| Colour Depth | 68.7 Billion Colours | 16.7 Million Colours | ||
| High Brightness | - | 1300 nits |
Body
🏆 Winner: Samsung Galaxy S21 Plus
| Height | 161.3mm | 161.5mm | ||
|---|---|---|---|---|
| Width | 75.3mm | 75.6mm | ||
| Thickness | 9.48mm | 7.8mm | ||
| Weight | 229 grams | 200 grams | ||
| Screen Material | Xiaomi Shield Glass 2.0 | Gorilla Glass Victus | ||
| Display Protection | Xiaomi Shield Glass 2.0 | Gorilla Glass Victus | ||
| Back Material | Gorrila Glass 7i | Gorilla Glass Victus | ||
| Side Material | Aluminium Frame | Aluminium Frame | ||
| Build Quality | Xiaomi Shield Glass 2.0 | Corning Gorilla Glass Victus | ||
| Ports | Display Port 1.2, USB Type-C 3.2 Gen 2 | USB Type-C 3.1 Gen 1 | ||
| Additional Features | USB Type-C (bottom) | OTG | ||
| IP Rating | IP68 (Dust and Water Resistant) | IP68 (Dust and Water Resistant) | ||
| Speaker | Stereo Speakers | Stereo Speakers | ||
| Sound Tuning | Dolby Atmos | - |
Processor
🏆 Winner: Xiaomi 15 Ultra
| Chipset Manufacturer | Qualcomm | Samsung | ||
|---|---|---|---|---|
| Chipset | Snapdragon 8 Elite | Exynos 2100 | ||
| Fabrication Size | 3nm | 5nm | ||
| Number of Cores | Octa-core | Octa-core | ||
| Clock Speed | 2x4.32 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M | 1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55 | ||
| Cooling System | Xiaomi 3D IceLoop System | - | ||
| GPU | Adreno 830 | Mali-G78 MP14 |
Performance Benchmarks
| AnTuTu | 2568793 | 875803 | ||
|---|---|---|---|---|
| Geekbench 6 CPU Single-Core | 2860 | 1356 | ||
| Geekbench 6 CPU Multi-Core | 8728 | - |
Main Camera
🏆 Winner: Xiaomi 15 Ultra
| Main Camera #1 Megapixel | 50MP | 64MP | ||
|---|---|---|---|---|
| Main Camera #1 Aperture | f/1.6 | f/2.0 | ||
| Main Camera #1 Lens Type | Wide-angle | Telephoto | ||
| Main Camera #1 Camera Sensor | Sony LYT 900 | - | ||
| Main Camera #1 Sensor Size | 1.0" | 1/1.72" | ||
| Main Camera #1 Camera Features | Multi-directional PDAF, OIS | 1.1x Optical Zoom, Hybrid Zoom, OIS, PDAF | ||
| Main Camera #2 Megapixel | 50MP | 12MP | ||
| Main Camera #2 Aperture | f/1.8 | f/1.8 | ||
| Main Camera #2 Lens Type | Telephoto | Wide-angle | ||
| Main Camera #2 Sensor Size | 1/2.51" | 1/1.76" | ||
| Main Camera #2 Camera Features | 3x Optical Zoom, Dual Pixel PDAF, OIS | Dual Pixel PDAF, OIS | ||
| Main Camera #3 Megapixel | 200MP | 12MP | ||
| Main Camera #3 Aperture | f/2.6 | f/2.2 | ||
| Main Camera #3 Lens Type | Ultra-Telephoto | Ultra-wide | ||
| Main Camera #3 Sensor Size | 1/1.4" | 1/2.55" | ||
| Main Camera #3 Camera Features | 4.3x Optical Zoom, Multi-directional PDAF, OIS | Super Steady Video | ||
| Main Camera #4 Megapixel | 50MP | - | ||
| Main Camera #4 Aperture | f/2.2 | - | ||
| Main Camera #4 Field of View | 115 | - | ||
| Main Camera #4 Lens Type | Ultra-wide | - | ||
| Main Camera #4 Sensor Size | 1/2.76" | - | ||
| Main Camera #4 Camera Features | Dual Pixel PDAF | - | ||
| Features | Digital zoom, Documents Mode, Dual LED Flash, Fastshot Mode, Filter, HDR, Laser Auto Focus, Long Exposure, panorama, Portrait mode, Pro mode, RAW Image, Super Macro, Supermoon | - | ||
| Camera Stabilization | Hybrid Stabilization | OIS | ||
| Raw Photo Support | Yes | - | ||
| Dynamic Video Recording Support | HDR 10+ recording | HDR 10+ recording | ||
| Stereo Sound Recording Support | Yes | Yes | ||
| Slow Motion Recording | 960 fps slomo | 960 fps slomo | ||
| Auto Focus Type | Laser Auto Focus | PDAF | ||
| Max Zoom Supported | >100x | 20-50X | ||
| Lens Enhancements | Leica | - | ||
| Optical Zoom Support | 4.3X | 3X | ||
| Video Features | 10-bit rec., Dolby Vision, Dual Video, gyro-EIS, HDR, Log Video, Movie Mode, Slow Motion, Time-lapse Video | gyro-EIS, HDR10+, Stereo Sound Recording | ||
| Video Recording | 1080p, 1080p@120fps, 1080p@1920fps, 1080p@240fps, 1080p@30fps, 1080p@480fps, 1080p@60fps, 1080p@960fps, 4K@120fps, 4K@24fps, 4K@30fps, 4K@60fps, 8K@24fps, 8K@30fps | 1080p@120fps, 1080p@240fps, 1080p@30fps, 1080p@60fps, 4K@30fps, 4K@60fps, 720p@960fps, 8K@24fps | ||
| Log Video Recording Support | Yes | - | ||
| Main Camera #3 Field of View | - | 120 |
Operating System
| OS Name | Android | Android | ||
|---|---|---|---|---|
| OS Version | 15 | 11 | ||
| OS Skin | Xiaomi HyperOS | One UI | ||
| Inbuilt AI | Xiaomi HyperAI | - | ||
| Gaming Mode | Yes | Yes | ||
| AI Frame Interpolation | Yes | - | ||
| Bloatware Free OS | Yes | - | ||
| OS Updates | 4 year(s) | 4 year(s) | ||
| Security Updates | 6 year(s) | 5 year(s) | ||
| AI Features | AI Assistant, AI Dynamic Wallpapers, AI Interpreter, AI Search, AI Speech Recognition, AI Writing, Google Gemini, Xiaomi AI Creativity Assistant, Xiaomi AISP 2.0, Xiaomi Hyper AI Suite | Circle to Search |
Selfie Camera
🏆 Winner: Xiaomi 15 Ultra
| Front Camera #1 Megapixel | 32MP | 10MP | ||
|---|---|---|---|---|
| Front Camera #1 Aperture | f/2.0 | f/2.2 | ||
| Front Camera #1 Focal Length | 21mm | 26mm | ||
| Front Camera #1 Pixel Size | 0.7µm | 1.22µm | ||
| Front Camera #1 Field of View | 90 | - | ||
| Front Camera #1 Lens Type | Wide | Wide | ||
| Front Camera #1 Camera Sensor | OmniVision OV32B | - | ||
| Front Camera #1 Camera Features | Auto Focus, Digital Zoom, gyro-EIS | Dual Pixel PDAF | ||
| Features | Dolby Vision HDR, Face unlock, HDR Photos, Palm shutter, Portrait Mode, Screen flash | Face unlock, HdR | ||
| Auto Focus Type | Laser Auto Focus | Fixed Focus | ||
| Video Features | Dolby Vision, gyro-EIS, Slow motion, Time Lapse, Video Teleprompter | 1080p@30fps, 4k@30/60fps | ||
| Video Recording | 1080@30fps, 1080@60fps, 4k@30fps, 4k@60fps, 720p@30fps | 4k@30fps, 4k@60fps | ||
| HDR Recording Support | Dolby Vision Recording | SDR recording |
Battery
🏆 Winner: Xiaomi 15 Ultra
| Battery Capacity | 5410mAh | 4800mAh | ||
|---|---|---|---|---|
| Battery Type | Silicon Carbon | Lithium Ion | ||
| Wireless Charging Support | Yes | Yes | ||
| Reverse Wireless Charging Support | Yes | Yes | ||
| Charging Speed Wired | 90W | 25W | ||
| Charging Speed Wireless | 80W | 15W | ||
| Charging Speed Reverse Wireless | 10W | 4.5W | ||
| Charging Standards Supported | PD2.0, PD3.0, QC2.0, QC3.0, QC3+, Xiaomi MI FC 2.0 | - |
Network
| Sim Type | Dual SIM (nano-SIM & e-SIM) or Dual SIM (nano-SIM, dual stand-by) | nano-SIM and eSIM or Dual SIM (2 nano-SIM and eSIM, dual stand-by) | ||
|---|---|---|---|---|
| Network Support | 5G | 5G | ||
| Band Types | 5G, GSM, LTE FDD, LTE TD, WCDMA | 5G, GSM, LTE FDD, LTE TD, UMTS, WCDMA | ||
| 2G Bands | 1800, 1900, 850, 900 | 1800, 1900, 850, 900 | ||
| 3G Bands | WCDMA 1, 2, 4, 5, 6, 8, 19 | 1, 2, 4, 5, 8 | ||
| 4G Bands | LTE 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28A, 28B, 32, 38, 39, 40, 41, 42, 48, 66, 71 | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 | ||
| 5G Bands | SA/NSA 1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 28A, 28B, 38, 40, 41, 48, 66, 71, 75, 77, 78, 79 | 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6 |
Connectivity
🏆 Winner: Xiaomi 15 Ultra
| Wi-Fi Standards | Wi-Fi 6 802.11 a/b/g/n/ac/ax | Wi-Fi 6 802.11 a/b/g/n/ac/ax | ||
|---|---|---|---|---|
| Wi-Fi Version | WiFi 6 | WiFi 6 | ||
| Bluetooth Version | 6 | 5 | ||
| Bluetooth Codecs | A2DP, aptX Adaptive, aptX HD, LE, LHDC | A2DP, AAC, LE | ||
| GPS | A-GPS, Beidou, Galileo (E1+E5a), GLONASS (G1), GPS (L1+L5), NavIC (L5), QZSS (L1+L5) | Beidou, GPS | ||
| NFC Support | Supported | Supported | ||
| Radio | - | FM Radio |
Features
| Fingerprint Scanner | Ultrasonic (under display) | Ultrasonic (under display) | ||
|---|---|---|---|---|
| Sensors on Board | Accelerometer, Ambient Light Sensor, Barometer Sensor, Electronic Compass, Flicker Sensor, Gyroscope, IR Blaster, Laser Sensor, Proximity Sensor | Accelerometer, Barometer Sensor, Fingerprint Scanner, Geomagnetic Sensor, Gyroscope, Hall Sensor, Light Sensor, Proximity Sensor | ||
| Haptic Feedback | X-axis Linear Motor | - |
