Samsung Galaxy S21 vs Xiaomi Redmi Note 15 Pro 5G
Quick Comparison
Both Samsung Galaxy S21 and Xiaomi Redmi Note 15 Pro 5G comes with same RAM. In terms of display resolution, Xiaomi Redmi Note 15 Pro 5G has better resolution of 2772 x 1280 than Samsung Galaxy S21 which has resolution of 2400 x 1080. Both have the same amount of internal memory.
| Name | Samsung Galaxy S21 | Xiaomi Redmi Note 15 Pro 5G |
| RAM | 8 GB | 8 GB |
|---|---|---|
| Display | 6.2 in | 6.83 in |
| Internal Memory | 128 GB | 128 GB |
| Battery | 4000 mAh | 6580 mAh |
| Camera | 64 MP + 12 MP + 12 MP Triple | 200 MP + 8 MP Dual |
| Price | Rs. 69999 | Rs. 29999 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is January 14, 2021. The cost of Samsung Galaxy S21 is Rs. 69999. The launch Date of the second phone is December 18, 2025. The cost of Xiaomi Redmi Note 15 Pro 5G is Rs. 29999.
Display comparison
Xiaomi Redmi Note 15 Pro 5G has larger screen size of 6.83 inches in comparison to Samsung Galaxy S21's 6.2 inch screen. Samsung Galaxy S21 has Screen type where as Xiaomi Redmi Note 15 Pro 5G has AMOLED Screen type. Xiaomi's phone has display density of 447 PPI & Samsung's phone has only 421 PPI display density. In terms of screen to body ratio, Xiaomi's phone has better screen to body ratio of ~ 89.7% than Samsung's phone ~ 87.2%. Samsung Galaxy S21 has 20:9 aspect ratio where as Xiaomi Redmi Note 15 Pro 5G has 20.1:9 aspect ratio.
Memory comparison
Both mobiles come with 8 GB RAM and both have same Internal Memory of 128 GB.
Camera comparison
Xiaomi Redmi Note 15 Pro 5G's 200 MP + 8 MP Dual Rear Camera outclasses Samsung Galaxy S21's 64 MP + 12 MP + 12 MP Triple Rear Camera in terms of resolution. Xiaomi Redmi Note 15 Pro 5G will be better choice if you're looking to click lot of selfies as it has better 20 MP Front Camera in comparison to Samsung Galaxy S21's 10 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 10 and the second one on 15 version.
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Full Comparison
| Name | Samsung Galaxy S21 | Xiaomi Redmi Note 15 Pro 5G |
| General | ||
| Country of Origin | India | |
| Model | Galaxy S21 5G | 25060RABDG, 25080RABDG |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | eSIM SIM |
| Device Type | Smartphone | Smartphone |
| OS Updates | 4 years | |
| Security Updates | 6 years | |
| Release Date | January 14, 2021 | December 18, 2025 |
| In The Box | REDMI Note 15 Pro 5G/ Adapter/ USB Type-C Cable/ SIM Eject Tool/ Protective Case/ Quick Start Guide/ Warranty Card | |
| Design | ||
| Dimensions | 71.2 x 151.7 x 7.9 mm | 78.1 x 163.6 x 7.96 mm |
| Weight | 169 g | 210 g |
| Colors | Silver Ash, Mirage Blue, Carbon Black | |
| Display | ||
| Type | Color Dynamic AMOLED 2X (16M Colors) | Color AMOLED Screen (1B Colors) |
| Touch | Yes | Yes |
| Size | 6.2 inches, 1080 x 2400 pixels, 120 Hz | 6.83 inches, 1280 x 2772 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20.1:9 |
| PPI | ~ 421 PPI | ~ 447 PPI |
| Screen to Body Ratio | ~ 87.2% | ~ 89.7% |
| Glass Type | Corning Gorilla Glass Victus | Corning Gorilla Glass Victus 2 |
| Brightness | 3200 nits peak, HBM 1800 nits | |
| Features | Always-on Display, HDR10+ | Sunlight Display, Hdr10+ | Dolby Vision, 16,000-step Automatic Brightness Adjustment, 3840hz Pwm Dimming | Tüv Rheinland Low Blue Light (Hardware Solution) Certified | Tuv Rheinland Circadian Friendly Certified | Tuv Rheinland Flicker Free Certified, Colour Depth: 12bit, Contrast Ratio: 8,000,000:1, Dci- P3 Wide Color Gamut |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Memory | ||
| RAM | 8 GB | 8 GB |
| Storage | 128 GB | 128 GB |
| Storage Type | UFS 3.1 | UFS 2.2 |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| 5G Bands | SA:n38/40/41(120MHz)/77/78/1/3/5/8/28 NSA:n38/40/41(120MHz)/77/78/1/3/5/8/28 | |
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Supports 2.4GHz Wi-Fi | 5GHz Wi-Fi | Wi-Fi 6 Wi-Fi Direct | |
| Bluetooth | Yes, v5.0, A2DP, LE | Yes, v5.4, A2DP, LE |
| USB | Yes, USB-C v3.2 | Yes, USB-C v2.0 |
| USB Features | USB on-the-go, USB Charging | USB on-the-go |
| IR Blaster | Yes | |
| Extra | ||
| GPS | Yes, with A-GPS, GLONASS, BDS, GALILEO | GPS | AGPS | Glonass | Beidou | Galileo, Wireless network | Data network | Sensor Assisted Positioning |
| Fingerprint Sensor | Yes, In Display | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro, Proximity, Compass, Barometer | Proximity sensor | Ambient light sensor | Accelerometer | Electronic compass | IR blaster | Gyroscope |
| 3.5mm Headphone Jack | No | No |
| NFC | Yes | |
| AI Features | Al Erase Pro, Al Remove Reflection, Al Image Expansion, Al Sky, Al Bokeh, Al Cutouts, Al Image Enhancement, Al Beautify, Al Film, 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 | IP66 + IP68 + IP69 + IP69K |
| Dust Resistant | Yes | Yes |
| Camera | ||
| Rear Camera | 12 MP ƒ/1.8 (Wide Angle) 64 MP ƒ/2 (Telephoto) 12 MP ƒ/2.2 (Ultra Wide) | 200 MP ƒ/1.7 (Wide Angle) 23mm (wide), 1/1.4", 0.56µm, multi-directional PDAF, OIS 8 MP ƒ/2.2 (Ultra Wide) 15mm, 120˚ (ultrawide), 1/4.0", 1.12µm |
| OIS | Yes | Yes |
| Auto Focus | Yes | |
| Features | Auto-HDR, Panorama | HDR, panorama |
| Video Recording | 8K @ 24 fps UHD, 4K @ 30/60 fps UHD, 1080p @ 240/30/60 fps FHD, 720p @ 960 fps HD | 4K @ 30 fps UHD, 1080p @ 60 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 10 MP ƒ/2.2 (Wide Angle) Punch Hole | 20 MP ƒ/2.2 (Wide Angle) Punch Hole |
| Front Video Recording | 4K @ 30/60 fps UHD, 1080p @ 30 fps FHD | 1080p @ 60 fps FHD |
| Technical | ||
| OS | Android v10 | Android v15 |
| Custom UI | Xiaomi HyperOS 2 | |
| Chipset | Samsung Exynos 2100 | Mediatek Dimensity 7400 Ultra |
| CPU | 2.9 GHz, Octa Core Processor | 2.6 GHz, Octa Core Processor |
| Core Details | 1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55 | 4xCortex-A78@2.6 GHz & 4xCortex-A55@2.0 GHz |
| GPU | Mali-G78 MP14 | Mali-G615 MC2 |
| Java | No | No |
| Browser | Yes | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | Yes | Yes |
| Video | Yes | Yes |
| FM Radio | No | No |
| Speaker Type | Dual Stereo | |
| Audio Features | Dolby Atmos | Hi-Res, 400% volume boost | |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 4000 mAh, Li-Po Battery | 6580 mAh, Si/C Li-Ion |
| Fast Charging | Yes, 25W Fast Charging | Yes, 45W Fast charging |
| Wireless Charging | Yes, 15W | |
| Reverse Charging | Yes, 4.5W | Yes, 22.5W |