Xiaomi Redmi 15 4G vs Samsung Galaxy S21 4G
Here you can compare Xiaomi Redmi 15 4G and Samsung Galaxy S21 4G. Comparing Xiaomi Redmi 15 4G vs Samsung Galaxy S21 4G on Smartprix enables you to check their respective specs scores and unique features. It would potentially help you understand how Xiaomi Redmi 15 4G stands against Samsung Galaxy S21 4G and which one should you buy The current lowest price found for Xiaomi Redmi 15 4G is ₹13,990 and for Samsung Galaxy S21 4G is ₹54,999. The details of both of these products were last updated on Sep 07, 2026.
| Specification | Xiaomi Redmi 15 4G | Samsung Galaxy S21 4G |
|---|---|---|
| OS | Android v15 | Android v11 |
| RAM | 6 GB | 8 GB |
| Display | 6.9 inches, 1080 x 2340 pixels, 144 Hz | 6.2 inches, 1080 x 2400 pixels, 120 Hz |
| Internal Memory | 128 GB | 128 GB |
| Rear Camera | 50 MP ƒ/1.8 (Wide Angle) | 12 MP ƒ/1.8 (Wide Angle) 64 MP ƒ/2 (Telephoto) 12 MP ƒ/2.2 (Ultra Wide) |
| Price | ₹13,990 | ₹54,999 |
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Overview
| Specs Score | 54 / 100 | 70 / 100 Better Specs |
| Display Size | 6.9 in Bigger Display | 6.2 in |
| Display Resolution | 1080 x 2340 pixels | 1080 x 2400 pixels Better Resolution |
| RAM | 6 GB | 8 GB More RAM |
| Rear Camera | 50 MP Dual Better Camera Resolution | 64 MP + 12 MP + 12 MP Triple |
| Front Camera | 8 MP | 10 MP Better Front Camera Resolution |
| Weight | 224 g | 169 g Lighter |
| Thickness | 8.6 mm | 7.9 mm Slimmer |
| Battery | 7000 mAh Bigger Battery | 4000 mAh |
| Unique Features | Memory Card Support No No IR Blaster | No Wireless Charging Reverse Charging No |
General
| Model | Galaxy S21 | |
| 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 | August 01, 2025 |
Design
| Dimensions | 82.1 x 171.1 x 8.6 mm | 71.2 x 151.7 x 7.9 mm |
| Weight | 224 g | 169 g |
| Bezel less | No | |
| Colors | Midnight Black, Titan Gray, Sandy Purple |
Display
| Type | Color IPS Screen | Color Dynamic AMOLED 2X (16M Colors) |
| Touch | Yes | Yes |
| Size | 6.9 inches, 1080 x 2340 pixels, 144 Hz | 6.2 inches, 1080 x 2400 pixels, 120 Hz |
| Aspect Ratio | 19.5:9 | 20:9 |
| PPI | ~ 374 PPI | ~ 421 PPI |
| Screen to Body Ratio | ~ 83.2% | ~ 87.2% |
| Glass Type | Corning Gorilla Glass Victus | |
| HDR Support | Yes, HDR10+ | |
| Features | Always-on Display, HDR10+ | |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
Memory
| RAM | 6 GB | 8 GB |
| Storage | 128 GB | 128 GB |
| Storage Type | UFS 3.1 | |
| Card Slot | Yes |
Connectivity
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | No | |
| VoLTE | Yes | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Bluetooth | Yes, v5.0 | Yes, v5.0, A2DP, LE |
| USB | Yes, USB-C | Yes, USB-C v3.2 |
| USB Features | USB on-the-go, USB Charging | |
| IR Blaster | Yes |
Extra
| GPS | Yes | Yes, with A-GPS, GLONASS, BDS, GALILEO |
| Fingerprint Sensor | Yes, Side | Yes, In Display |
| Face Unlock | Yes | |
| Sensors | Accelerometer, Compass | Accelerometer, Gyro, Proximity, Compass, Barometer |
| 3.5mm Headphone Jack | No | No |
| NFC | Yes | Yes |
| Water Resistance | Yes | Yes, 1.5 m upto 30 min |
| IP Rating | IP64 | IP68 |
| Dust Resistant | Yes | Yes |
Camera
| Rear Camera | 50 MP ƒ/1.8 (Wide Angle) | 12 MP ƒ/1.8 (Wide Angle) 64 MP ƒ/2 (Telephoto) 12 MP ƒ/2.2 (Ultra Wide) |
| OIS | Yes | |
| Auto Focus | Yes | |
| Features | HDR | Auto-HDR, Panorama |
| Video Recording | 1080p @ 30 fps FHD | 8K @ 24 fps UHD, 4K @ 30/60 fps UHD, 1080p @ 240/30/60 fps FHD, 720p @ 960 fps HD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 8 MP ƒ/2 (Wide Angle) Punch Hole | 10 MP ƒ/2.2 (Wide Angle) Punch Hole |
| Front Video Recording | 1080p @ 30 fps FHD | 4K @ 30/60 fps UHD, 1080p @ 30 fps FHD |
Technical
| OS | Android v15 | Android v11 |
| Chipset | Qualcomm Snapdragon 685 | Samsung Exynos 2100 |
| CPU | 2.8 GHz, Octa Core Processor | 2.9 GHz, Octa Core Processor |
| Core Details | 4x Cortex-A73@2.8 GHz & 4x Cortex-A53@1.9 GHz | 1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55 |
| GPU | Adreno 610 | Mali-G78 MP14 |
| Java | No | No |
| Browser | Yes | Yes |
Multimedia
| Yes | Yes | |
| Music | Yes | Yes |
| Video | Yes | Yes |
| FM Radio | No | No |
| Document Reader | Yes | Yes |
Battery
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 7000 mAh | 4000 mAh, Li-Po Battery |
| Fast Charging | Yes, 33W | Yes, 25W Fast Charging |
| Wireless Charging | Yes, 15W | |
| Reverse Charging | Yes, 4.5W |
Discuss
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