Samsung Galaxy A51 vs Xiaomi Redmi 15 5G
Here you can compare Samsung Galaxy A51 and Xiaomi Redmi 15 5G. Comparing Samsung Galaxy A51 vs Xiaomi Redmi 15 5G on Smartprix enables you to check their respective specs scores and unique features. It would potentially help you understand how Samsung Galaxy A51 stands against Xiaomi Redmi 15 5G and which one should you buy The current lowest price found for Samsung Galaxy A51 is ₹17,999 and for Xiaomi Redmi 15 5G is ₹20,499. The details of both of these products were last updated on Jun 04, 2026.
| Specification | Samsung Galaxy A51 | Xiaomi Redmi 15 5G |
|---|---|---|
| Battery | 4000 mAh, Li-Po Battery | 7000 mAh, Si-C EV-Grade Technology |
| OS | Android v10, upgradable to v12 | Android v15 |
| Display | 6.5 inches, 1080 x 2340 pixels | 6.9 inches, 1080 x 2340 pixels, 144 Hz |
| Rear Camera | 48 MP ƒ/2 (Wide Angle) 12 MP ƒ/2.2 (Ultra Wide) 5 MP ƒ/2.4 (Macro) Macro 5 MP ƒ/2.2 (Depth Sensor) | 50 MP ƒ/1.75 (Wide Angle) |
| CPU | 2.3 GHz, Octa Core Processor | 2.3 GHz, Octa Core Processor |
| Price | ₹17,999 | ₹20,499 |
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Overview
| Specs Score | 53 / 100 | 61 / 100 Better Specs |
| Display Size | 6.5 in | 6.9 in Bigger Display |
| Front Camera | 32 MP Better Front Camera Resolution | 8 MP |
| Weight | 172 g Lighter | 217 g |
| Thickness | 7.9 mm Slimmer | 8.4 mm |
| Battery | 4000 mAh | 7000 mAh Bigger Battery |
| Unique Features | No 3.5mm Audio Jack No No | 5G No Reverse Charging IR Blaster |
General
| Country of Origin | India | |
| Model | Galaxy A51 | 15 5G |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM (Hybrid Slot) |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| OS Updates | 2 years | |
| Security Updates | 4 years | |
| Release Date | January 29, 2020 | August 01, 2025 |
| In The Box | Mobile Phone * 1, Adapter * 1, USB Type-C cable * 1, SIM Eject Tool * 1, Quick Start Guide, & Warranty Card * 1, Safety Information * 1 |
Design
| Dimensions | 73.6 x 158.5 x 7.9 mm | 80.45 x 168.48 x 8.4 mm |
| Weight | 172 g | 217 g |
| Colors | Sandy Purple, Frosted White, Midnight Black |
Display
| Type | Color Super AMOLED Screen (16M Colors) | Color IPS Screen (16M Colors) |
| Touch | Yes | Yes, 288 Hz Touch Sampling Rate |
| Size | 6.5 inches, 1080 x 2340 pixels | 6.9 inches, 1080 x 2340 pixels, 144 Hz |
| Aspect Ratio | 20:9 | 20.6:9 |
| PPI | ~ 405 PPI | ~ 374 PPI |
| Screen to Body Ratio | ~ 87.4% | ~ 83.2% |
| Brightness | 850nits Peak Brightness | |
| Features | TÜV Rheinland Circadian Friendly, TÜV Rheinland flicker free, TÜV Rheinland Low Blue light | |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
Memory
| RAM | 6 GB | 6 GB |
| RAM Type | LPDDR4X | |
| Storage | 128 GB | 128 GB |
| Storage Type | UFS 2.2 | |
| Card Slot | Yes, upto 512 GB | Yes, (Hybrid Slot), upto 1 TB |
Connectivity
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | |
| 5G Bands | SA: n1/n3/n5/n8/n28/n40/n78, NSA: n1/n3/n40/n78/n8 | |
| VoLTE | Yes, Dual Stand-By | Yes |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Bluetooth | Yes, v5.0 | Yes, v5.1, A2DP, LE |
| USB | Yes, USB-C v2.0 | Yes, USB-C |
| USB Features | USB on-the-go, USB Charging | USB on-the-go, USB Charging |
| IR Blaster | Yes |
Extra
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS | Yes, with A-GPS, Glonass, Beidou |
| Fingerprint Sensor | Yes, In Display | Yes, Side |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro, Proximity, Compass | Ambient Light Sensor, Proximity Sensor (Virtual), E Compass, Accelerometer |
| 3.5mm Headphone Jack | Yes | |
| AI Features | Circle to Search, Gemini AI, AI Erase | |
| Splash Resistant | Yes | |
| IP Rating | IP64 | |
| Dust Resistant | Yes | |
| Extra Features | Hydro Touch |
Camera
| Rear Camera | 48 MP ƒ/2 (Wide Angle) 12 MP ƒ/2.2 (Ultra Wide) 5 MP ƒ/2.4 (Macro) Macro 5 MP ƒ/2.2 (Depth Sensor) | 50 MP ƒ/1.75 (Wide Angle) |
| Auto Focus | Yes | Yes |
| Features | Panorama, HDR | AI Sky, AI Erase, Classic Film Filters |
| Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 32 MP ƒ/2.2 (Wide Angle) | 8 MP ƒ/2.2 (Wide Angle) Punch Hole, Screen Flash |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
Technical
| OS | Android v10, upgradable to v12 | Android v15 |
| Custom UI | HyperOS 2 | |
| Chipset | Samsung Exynos 9611 | Qualcomm Snapdragon 6s Gen3 |
| CPU | 2.3 GHz, Octa Core Processor | 2.3 GHz, Octa Core Processor |
| Core Details | 4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53 | 2x2.3 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55 |
| GPU | Mali-G72 MP3 | Adreno 619 |
| Java | No | No |
| Browser | Yes, supports HTML5 | Yes, supports HTML5 |
Multimedia
| Yes | Yes | |
| Music | Yes | Yes |
| Video | Yes | Yes |
| FM Radio | Yes | Yes |
| Speaker Type | Bottom Firing Loud Speaker | |
| Audio Features | Dolby Certified, 200% Super Volume | |
| Document Reader | Yes | Yes |
Battery
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 4000 mAh, Li-Po Battery | 7000 mAh, Si-C EV-Grade Technology |
| Fast Charging | Yes, 15W Fast Charging | Yes, 33W |
| Reverse Charging | Yes, 18W |
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