Xiaomi 15 vs Samsung Galaxy S21 Ultra
86
Beebom Score
68
Beebom Score
Key Specifications
| Processor | Qualcomm Snapdragon 8 Elite | Samsung Exynos 2100 | ||
|---|---|---|---|---|
| Display | 6.36", OLED, 120 Hz | 6.8", AMOLED, 120 Hz | ||
| Camera | 50MP+50MP+50MP/32MP | 108MP+10MP+10MP+12MP/MP | ||
| Battery | 5240 mAh | 5000 mAh | ||
| RAM | 12 GB | 12 GB | ||
| Storage | 512 GB | 256 GB | ||
| Processor | Qualcomm Snapdragon 8 Elite | Samsung Exynos 2100 | ||
| Display | 6.36", OLED, 120 Hz | 6.8", AMOLED, 120 Hz | ||
| Camera | 50MP+50MP+50MP/32MP | 108MP+10MP+10MP+12MP/MP | ||
| Battery | 5240 mAh | 5000 mAh | ||
| RAM | 12 GB | 12 GB | ||
| Storage | 512 GB | 256 GB |
Top Recommendation
| Recommended For | Performance, Display, Multimedia, Gaming, Design, Build Quality and Main Camera | Battery, Software, Design and Build Quality | ||
|---|---|---|---|---|
| Recommended For | Performance, Display, Multimedia, Gaming, Design, Build Quality and Main Camera | Battery, Software, Design and Build Quality |
General
| Colors | Black, Green, White, Liquid Silver | Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown, Navy | ||
|---|---|---|---|---|
| Launch | March 11, 2025 | January 14, 2021 | ||
| Availability | March 19, 2025 | January 29, 2021 | ||
| Launch Price | ₹64,999 | ₹1,05,999 | ||
| Colors | Black, Green, White, Liquid Silver | Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown, Navy | ||
| Launch | March 11, 2025 | January 14, 2021 | ||
| Availability | March 19, 2025 | January 29, 2021 | ||
| Launch Price | ₹64,999 | ₹1,05,999 |
Display
Winner:Xiaomi 15
| Type | OLED | AMOLED | ||
|---|---|---|---|---|
| Refresh Rate | 120 Hz | 120 Hz | ||
| Features | Dolby Vision | HDR10+ | ||
| Size | 6.36 inches | 6.8 inches | ||
| Resolution Width | 1200 pixels | 1440 pixels | ||
| Resolution Height | 2670 pixels | 3200 pixels | ||
| Resolution Ratio | 20:9 | 20:9 | ||
| Pixel Per Inch | 460 ppi | 515 ppi | ||
| Display Resolution | 1.5K | FHD+ | ||
| Peak Brightness | 3200 nits | 1500 nits | ||
| Type | OLED | AMOLED | ||
| Refresh Rate | 120 Hz | 120 Hz | ||
| Features | Dolby Vision | HDR10+ | ||
| Size | 6.36 inches | 6.8 inches | ||
| Resolution Width | 1200 pixels | 1440 pixels | ||
| Resolution Height | 2670 pixels | 3200 pixels | ||
| Resolution Ratio | 20:9 | 20:9 | ||
| Pixel Per Inch | 460 ppi | 515 ppi | ||
| Display Resolution | 1.5K | FHD+ | ||
| Peak Brightness | 3200 nits | 1500 nits |
Body
Winner:Tie
| Weight | 192 grams | 227 grams | ||
|---|---|---|---|---|
| Front | Xiaomi Shield Glass | Gorilla Glass Victus | ||
| Back | Glass | Glass | ||
| Side | Aluminium Frame | Aluminium Frame | ||
| Build Quality | Xiaomi Shatterproof Glass | Corning Gorilla Glass Victus | ||
| Port | USB Type-C 3.2 | USB Type-C 3.2 | ||
| IP rating | IP68 (Dust and Water Resistant) | IP68 (Dust and Water Resistant) | ||
| Speaker | Stereo Speakers | Stereo Speakers | ||
| Weight | 192 grams | 227 grams | ||
| Front | Xiaomi Shield Glass | Gorilla Glass Victus | ||
| Back | Glass | Glass | ||
| Side | Aluminium Frame | Aluminium Frame | ||
| Build Quality | Xiaomi Shatterproof Glass | Corning Gorilla Glass Victus | ||
| Port | USB Type-C 3.2 | USB Type-C 3.2 | ||
| IP rating | IP68 (Dust and Water Resistant) | IP68 (Dust and Water Resistant) | ||
| Speaker | Stereo Speakers | Stereo Speakers |
Processor
Winner:Xiaomi 15
| Chipset Brand | Qualcomm | Samsung | ||
|---|---|---|---|---|
| Chipset Name | Snapdragon 8 Elite | Exynos 2100 | ||
| CPU | Octa-core | Octa-core | ||
| GPU | Adreno 830 | Mali-G78 MP14 | ||
| Software Name | Android | Android | ||
| Software Skin | Xiaomi HyperOS | One UI | ||
| OS Updates(Years) | 4 year | 4 year | ||
| Chipset Brand | Qualcomm | Samsung | ||
| Chipset Name | Snapdragon 8 Elite | Exynos 2100 | ||
| CPU | Octa-core | Octa-core | ||
| GPU | Adreno 830 | Mali-G78 MP14 | ||
| Software Name | Android | Android | ||
| Software Skin | Xiaomi HyperOS | One UI | ||
| OS Updates(Years) | 4 year | 4 year |
Main Camera
Winner:Xiaomi 15
| Camera Resolution | 50 MP | 108 MP | ||
|---|---|---|---|---|
| Camera Type | Wide-angle | Wide-angle | ||
| Camera 2 Resolution | 50 MP | 10 MP | ||
| Camera 2 Type | Telephoto | Telephoto | ||
| Camera 3 Resolution | 50 MP | 10 MP | ||
| Camera 3 Type | Ultra-wide | Periscope | ||
| Features | Dual LED Dual Tone Flash, HDR, Laser Auto Focus, Leica Branded Lenses, Panorama | Auto-HDR, Digital Zoom, LED Flash, Panorama | ||
| Stabilization | Hybrid Stabilization | OIS | ||
| Video | 10-bit Log, 10-bit rec., Dolby Vision, gyro-EIS, HDR, HDR10+ | gyro-EIS, HDR10+, Stereo Sound Recording | ||
| Camera Resolution | 50 MP | 108 MP | ||
| Camera Type | Wide-angle | Wide-angle | ||
| Camera 2 Resolution | 50 MP | 10 MP | ||
| Camera 2 Type | Telephoto | Telephoto | ||
| Camera 3 Resolution | 50 MP | 10 MP | ||
| Camera 3 Type | Ultra-wide | Periscope | ||
| Features | Dual LED Dual Tone Flash, HDR, Laser Auto Focus, Leica Branded Lenses, Panorama | Auto-HDR, Digital Zoom, LED Flash, Panorama | ||
| Stabilization | Hybrid Stabilization | OIS | ||
| Video | 10-bit Log, 10-bit rec., Dolby Vision, gyro-EIS, HDR, HDR10+ | gyro-EIS, HDR10+, Stereo Sound Recording |
Selfie Camera
Winner:Xiaomi 15
| Front Camera Resolution | 32 MP | |||
|---|---|---|---|---|
| Front Camera Type | Wide | Wide-angle | ||
| Features | HDR, Panorama | Auto-HDR, Dual Video Call, Face Unlock | ||
| Video | 1080p@30/60fps, 4K@30/60fps, gyro-EIS | 1080p@30fps, 4K@30/60fps | ||
| Front Camera Resolution | 32 MP | |||
| Front Camera Type | Wide | Wide-angle | ||
| Features | HDR, Panorama | Auto-HDR, Dual Video Call, Face Unlock | ||
| Video | 1080p@30/60fps, 4K@30/60fps, gyro-EIS | 1080p@30fps, 4K@30/60fps |
Battery
Winner:Samsung Galaxy S21 Ultra
| Capacity | 5240 mAh | 5000 mAh | ||
|---|---|---|---|---|
| Battery Type | Silicon Carbon | Lithium Ion | ||
| Wireless Charging | true | true | ||
| Charging Speed | 90 w | 25 w | ||
| Capacity | 5240 mAh | 5000 mAh | ||
| Battery Type | Silicon Carbon | Lithium Ion | ||
| Wireless Charging | true | true | ||
| Charging Speed | 90 w | 25 w |
Memory
Winner:Xiaomi 15
| Storage | 512 GB | 256 GB | ||
|---|---|---|---|---|
| Storage type | UFS 4.0 | UFS 3.1 | ||
| RAM | 12 GB | 12 GB | ||
| RAM type | LPDDR5X | LPDDR5 | ||
| Storage | 512 GB | 256 GB | ||
| Storage type | UFS 4.0 | UFS 3.1 | ||
| RAM | 12 GB | 12 GB | ||
| RAM type | LPDDR5X | LPDDR5 |
Network
| Sim Slot | Dual SIM (nano-SIM, dual stand-by) | nano-SIM and eSIM or Dual SIM (2 nano-SIM and eSIM, dual stand-by) | ||
|---|---|---|---|---|
| Network | 5G, GSM, HSPA, LTE | 5G, CDMA, EVDO, GSM, HSPA, LTE | ||
| Sim Slot | Dual SIM (nano-SIM, dual stand-by) | nano-SIM and eSIM or Dual SIM (2 nano-SIM and eSIM, dual stand-by) | ||
| Network | 5G, GSM, HSPA, LTE | 5G, CDMA, EVDO, GSM, HSPA, LTE |
Connectivity
Winner:Xiaomi 15
| WLAN | Wi-Fi 7 802.11 a/b/g/n/ac/ax/be | Wi-Fi 6E 802.11 a/b/g/n/ac/ax | ||
|---|---|---|---|---|
| Bluetooth | 5.4 | 5.2 | ||
| Positioning | BDS (B1I+B1c+B2a), GALILEO (E1+E5a), GLONASS (G1), GPS (L1+L5), QZSS (L1+L5) | BDS, GALILEO, GLONASS, GPS | ||
| NFC | Yes | Yes | ||
| Radio | No | FM Radio | ||
| WLAN | Wi-Fi 7 802.11 a/b/g/n/ac/ax/be | Wi-Fi 6E 802.11 a/b/g/n/ac/ax | ||
| Bluetooth | 5.4 | 5.2 | ||
| Positioning | BDS (B1I+B1c+B2a), GALILEO (E1+E5a), GLONASS (G1), GPS (L1+L5), QZSS (L1+L5) | BDS, GALILEO, GLONASS, GPS | ||
| NFC | Yes | Yes | ||
| Radio | No | FM Radio |
Features
| Fingerprint Scanner | Ultrasonic (under display) | Optical (under display) | ||
|---|---|---|---|---|
| AI Features | AI Assistant, AI Photo Enhancements, AI Remover, AI Summary | Circle to Search | ||
| Sensors | Accelerometer, Ambient Light Sensor, Barometer Sensor, Compass, Gyroscope, Proximity Sensor, Two-way Satellite Communication, X-Axis Linear Motor | Accelerometer, Barometer Sensor, Compass, Gyroscope, Proximity Sensor, Samsung DeX, Samsung Wireless DeX, Ultra Wideband (UWB) Support | ||
| Fingerprint Scanner | Ultrasonic (under display) | Optical (under display) | ||
| AI Features | AI Assistant, AI Photo Enhancements, AI Remover, AI Summary | Circle to Search | ||
| Sensors | Accelerometer, Ambient Light Sensor, Barometer Sensor, Compass, Gyroscope, Proximity Sensor, Two-way Satellite Communication, X-Axis Linear Motor | Accelerometer, Barometer Sensor, Compass, Gyroscope, Proximity Sensor, Samsung DeX, Samsung Wireless DeX, Ultra Wideband (UWB) Support |
