Samsung Galaxy S21 vs Xiaomi 15
Here you can compare Samsung Galaxy S21 and Xiaomi 15. Comparing Samsung Galaxy S21 vs Xiaomi 15 on Smartprix enables you to check their respective specs scores and unique features. It would potentially help you understand how Samsung Galaxy S21 stands against Xiaomi 15 and which one should you buy The current lowest price found for Samsung Galaxy S21 is ₹69,999 and for Xiaomi 15 is ₹69,999. The details of both of these products were last updated on Sep 11, 2026.
| Specification | Samsung Galaxy S21 | Xiaomi 15 |
|---|---|---|
| RAM | 8 GB | 12 GB |
| OS | Android v10 | Android v15 |
| Rear Camera | 12 MP ƒ/1.8 (Wide Angle) 64 MP ƒ/2 (Telephoto) 12 MP ƒ/2.2 (Ultra Wide) | 50 MP ƒ/1.6 (Wide Angle) 23mm (wide), 1/1.31", 1.2µm, dual pixel PDAF, OIS 50 MP ƒ/2 (Telephoto) 60mm, PDAF (10cm - ∞), OIS, 3x optical zoom 50 MP ƒ/2.2 (Ultra Wide) 14mm, 115˚ |
| CPU | 2.9 GHz, Octa Core Processor | 4.32 GHz, Octa Core Processor |
| Display | 6.2 inches, 1080 x 2400 pixels, 120 Hz | 6.36 inches, 1200 x 2670 pixels, 120 Hz |
| Price | ₹69,999 | ₹69,999 |
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Overview
| Specs Score | 74 / 100 | 89 / 100 Better Specs |
| Display Resolution | 1080 x 2400 pixels | 1200 x 2670 pixels Better Resolution |
| RAM | 8 GB | 12 GB More RAM |
| Storage | 128 GB | 512 GB More Storage |
| CPU Clock Speed | 2.9 GHz | 4.32 GHz Faster Clock Speed |
| Rear Camera | 64 MP + 12 MP + 12 MP Triple | 50 MP + 50 MP + 50 MP Triple Better Camera Resolution |
| Front Camera | 10 MP | 32 MP Better Front Camera Resolution |
| Weight | 169 g Lighter | 191 g |
| Battery | 4000 mAh | 5240 mAh Bigger Battery |
| Unique Features | No | IR Blaster |
General
| Model | Galaxy S21 5G | 15 |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | January 14, 2021 | March 11, 2025 |
| In The Box | Mobile Phone, Adapter, USB Type-C Cable, SIM Eject Tool, Protective Case, Safety Information, Quick Start Guide and Warranty Card, Desiccant |
Design
| Dimensions | 71.2 x 151.7 x 7.9 mm | 71.2 x 152.3 x 8.08 mm |
| Weight | 169 g | 191 g |
| Colors | White, Black, Green |
Display
| Type | Color Dynamic AMOLED 2X (16M Colors) | Color OLED Screen (68B) |
| Touch | Yes | Yes, 300 Hz Touch Sampling Rate |
| Size | 6.2 inches, 1080 x 2400 pixels, 120 Hz | 6.36 inches, 1200 x 2670 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20.5:9 |
| PPI | ~ 421 PPI | ~ 460 PPI |
| Screen to Body Ratio | ~ 87.2% | ~ 90% |
| Glass Type | Corning Gorilla Glass Victus | |
| HDR Support | Yes, HDR10+ | Yes, HDR10+, Dolby Vision |
| Features | Always-on Display, HDR10+ | Peak Brightness: 3200 Nits Covering 25% Display Area, Dimming: DC Dimming, Original Color Pro, Pro HDR, Wet Touch Technology, HDR10, HDR10+, Dolby Vision, TÜV Rheinland Low Blue Light (Hardware Solution) Certified, TÜV Rheinland Flicker Free Certified, TÜV Rheinland Circadian Friendly Certified |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
Memory
| RAM | 8 GB | 12 GB |
| RAM Type | LPDDR5X | |
| Storage | 128 GB | 512 GB |
| Storage Type | UFS 3.1 | UFS 4 |
Connectivity
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| 5G Bands | SA: n1/2/3/5/7/8/12/20/25/26/28/38/40/41/48/66/75/77/78, NSA: n1/3/5/7/8/20/28/38/40/41/66/75/77/78 | |
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By |
| Vo5G | Yes | |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Wi-Fi 6 | |
| Bluetooth | Yes, v5.0, A2DP, LE | Yes, v6.0, A2DP, LE, aptX HD, aptX Adaptive |
| USB | Yes, USB-C v3.2 | Yes, USB-C v3.2 |
| USB Features | USB on-the-go, USB Charging | USB on-the-go, USB Charging |
| IR Blaster | Yes |
Performance
| AnTuTu Score | 2,349,482 (Total) (v10) 547,971 (CPU) 994,177 (GPU) 446,987 (Memory) 360,347 (UX) | |
| AnTuTu Storage Score | 168,399 | |
| Geekbench Score | 8,391 (Multi Core) (v6) 2,662 (Single Core) 18,093 (OpenCL) 24,464 (Vulkan) | |
| 3DMark Score | 6,101 (Wild Life Extreme) | |
| Camera Score | 147 (DxOMark) | |
| Speaker Score | 76 (Very Good) | |
| Battery Test Result | 16.15 hours |
Extra
| GPS | Yes, with A-GPS, GLONASS, BDS, GALILEO | GPS: L1+L5, Galileo: E1+E5a, GLONASS: G1, Beidou, QZSS: L1 + L5, NavIC: L5, A-GPS Supplementary Positioning, Electronic Compass, Wireless Network, Data Network, SAP |
| Fingerprint Sensor | Yes, In Display | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro, Proximity, Compass, Barometer | Proximity Sensor, Ambient Light Sensor, Accelerometer, Gyroscope, Electronic Compass, IR Blaster, Laser Focus Sensor, Barometer, Flicker Sensor, X-Axis Linear Vibration Motor |
| 3.5mm Headphone Jack | No | No |
| NFC | Yes | Yes |
| AI Features | Xiaomi HyperAI, AI Writing, AI Speech Recognition, AI Interpreter, AI Creativity Assistant, And More, Circle to Search With Google, Google Gemini | |
| Water Resistance | Yes, 1.5 m upto 30 min | Yes, 1.5 m upto 30 min |
| IP Rating | IP68 | IP68 |
| Dust Resistant | Yes | Yes |
| Extra Features | Xiaomi Wing-type IceLoop system |
Camera
| Rear Camera | 12 MP ƒ/1.8 (Wide Angle) 64 MP ƒ/2 (Telephoto) 12 MP ƒ/2.2 (Ultra Wide) | 50 MP ƒ/1.6 (Wide Angle) 23mm (wide), 1/1.31", 1.2µm, dual pixel PDAF, OIS 50 MP ƒ/2 (Telephoto) 60mm, PDAF (10cm - ∞), OIS, 3x optical zoom 50 MP ƒ/2.2 (Ultra Wide) 14mm, 115˚ |
| Camera Sensor | Light Fusion 900 | |
| OIS | Yes | Yes |
| Auto Focus | Yes | |
| Features | Auto-HDR, Panorama | Laser AF, Leica lens, dual-tone, Two Leica Photographic Styles (Leica Authentic Look, Leica Vibrant Look), Leica Filters, Leica Classic Shutter Sound, Leica Watermark, Xiaomi ProFocus (Motion Tracking Focus, Eye Tracking Focus and Motion Capture), Lightning Burst, Digital Zoom Up to 60x, HDR, Dynamic Shot, Portrait Mode, Master-Lens System (23mm, 35mm, 60mm, 75mm), Night Mode (Wide/Ultra Wide/Telephoto), 50MP Mode (Wide/Ultra Wide/Telephoto), Super Macro, Panorama, Long Exposure, Documents, Fastshot Mode, Supermoon, Pro Mode, Image Formats Captured: DNG, HEIF, JPEG, RAW Mode |
| Video Recording | 8K @ 24 fps UHD, 4K @ 30/60 fps UHD, 1080p @ 240/30/60 fps FHD, 720p @ 960 fps HD | 8K @ 24/30 fps UHD, 4K @ 24/30/60 fps UHD, 1080p @ 30/60 fps FHD, 720p @ 30 fps HD |
| Flash | Yes, LED | Yes, Dual LED |
| Front Camera | 10 MP ƒ/2.2 (Wide Angle) Punch Hole | 32 MP ƒ/2 (Wide Angle) Punch Hole |
| Front Video Recording | 4K @ 30/60 fps UHD, 1080p @ 30 fps FHD | 4K @ 30/60 fps UHD, 1080p @ 30/60 fps FHD |
Technical
| OS | Android v10 | Android v15 |
| Custom UI | Xiaomi HyperOS 2 | |
| Chipset | Samsung Exynos 2100 | Qualcomm Snapdragon 8 Elite |
| CPU | 2.9 GHz, Octa Core Processor | 4.32 GHz, Octa Core Processor |
| Core Details | 1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55 | 2x Prime Core@4.32 GHz & 6x Performance Core@3.53 GHz |
| GPU | Mali-G78 MP14 | Adreno 830 |
| Java | No | No |
| Browser | Yes | Yes |
Multimedia
| Yes | Yes | |
| Music | Yes | MP3, FLAC, APE, AAC, OGG, WAV, AMR, AWB |
| Video | Yes | MP4, MKV, WEBM, 3GP, TS, Supports HDR Display When Playing HDR10+, Dolby Vision, HDR Vivid Video Content |
| FM Radio | No | No |
| Speaker Type | Stereo | |
| Audio Features | Dolby Atmos | |
| Document Reader | Yes | Yes |
Battery
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 4000 mAh, Li-Po Battery | 5240 mAh, Si/C |
| Fast Charging | Yes, 25W Fast Charging | Yes, 90W HyperCharge |
| Wireless Charging | Yes, 15W | Yes, 50W HyperCharge |
| Reverse Charging | Yes, 4.5W | Yes |
Discuss
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