Samsung Galaxy A51 vs Xiaomi Redmi 9 compare
The best smartphone comparison tool: compare Samsung Galaxy A51 vs Xiaomi Redmi 9 and choose the best model for you
Smartphone 1
Remove
Samsung Galaxy A51
Smartphone 2
Remove
Xiaomi Redmi 9
Smartphone 3
Samsung Galaxy A51 vs Xiaomi Redmi 9
What is the difference between the Samsung Galaxy A51 and Xiaomi Redmi 9? Which one is better? The answers to these questions and many more can be found here in this detailed comparison of the two phones. Discover the differences in specs between these two desirable devices, from screen size to battery life, in the table below. We have all the information you need to choose the best phone for you.
or
Common specs
| Brand and model | Samsung Galaxy A51 | Xiaomi Redmi 9 | |
| Rating | (+) | (+) | |
| Review | Samsung Galaxy A51 Review | Xiaomi Redmi 9 Review | |
| Release date | 2019, December | 2020, June 10 | |
| Dimensions (HxWxD) | 158.5 x 73.6 x 7.9 mm | 6.24 x 6.24 x 2.9 in | 163.3 x 77 x 9.1 mm | 6.43 x 6.43 x 3.03 in | |
| Weight | 172 g | 6.07 oz | 198 g | 6.98 oz | |
| Body Build | Glass front (Gorilla Glass 3), plastic back, plastic frame | Glass front (Gorilla Glass 3), plastic back, plastic frame | |
| Colors | Prism Crush Black, White, Blue, Pink | Carbon Gray, Sunset Purple, Ocean Green, Pink/Blue | |
| Battery | 4000 mAh, Non-removable Li-Po | 5020 mAh, Non-removable Li-Po | |
| Battery life |
Talking time - Up to 32 h (3G) Music play - Up to 87 h |
||
| Approximate price | $280 | $ 130 |
Screen
| Technology | Super AMOLED | IPS LCD | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | |
| Display colors | 16M | 16M | |
| Screen size | 6.5" inc | 6.53" inc | |
| Screen area | 102.0 cm2 | 104.7 cm2 | |
| Screen format | 20:9 (height:width) | 19.5:9 (height:width) | |
| Screen to body ratio | 87.4% | 83.2% | |
| Screen resolution | 1080 x 2400 px | 1080 x 2340 px | |
| Screen PPI /points per inch/ | 405 PPI | 395 PPI | |
| Screen protection | Corning Gorilla Glass 3 | Corning Gorilla Glass 3 | |
| Other specs | - 400 nits typ. brightness |
Camera and Video
| Rear camera, main | 48 MP, Quad | 13 MP, Quad | |
| Camera specs | -48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF -12 MP, f/2.2, 12mm (ultrawide) -5 MP, f/2.4, 25mm (macro), 1/5.0", 1.12µm -5 MP, f/2.2, 1/5.0", 1.12µm, depth sensor |
-13 MP, f/2.2, 28mm (wide), 1/3.1'', 1.12µm, PDAF -8 MP, f/2.2, 118° (ultrawide), 1/4.0'', 1.12µm -5 MP, f/2.4, (macro) -2 MP, f/2.4, (depth) |
|
| Functions | LED flash, panorama, HDR | LED flash, HDR, panorama | |
| Video | 2160p@30fps, 1080p@30/120fps; gyro-EIS | 1080p@30fps | |
| DxOMark Main Score | 87 | ||
| DxOMark Photo | 90 | ||
| DxOMark Video | 86 | ||
| Front camera, selfie | 32 MP, Single | 8 MP, Single | |
| Specifications | 32 MP, f/2.2, 26mm (wide), 1/2.8", 0.8µm | 8 MP, f/2.0, 27mm (wide) | |
| Functions | HDR | HDR | |
| Video | 1080p@30fps | 1080p@30fps |
Performance
| Operating system - OS | Android 10.0; One UI 2 | Android 10, MIUI 12 | |
| Chipset | - Exynos 9611 (10nm) | - Mediatek Helio G80 (12 nm) | |
| Processor CPU | - Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53) | - Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55) | |
| Graphics processor GPU | Mali-G72 MP3 | Mali-G52 MC2 | |
| External memory | microSD, up to 1 TB (dedicated slot) | microSDXC (dedicated slot) | |
| Internal memory | 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM | 32GB 3GB RAM, 64GB 4GB RAM, 128GB 6GB RAM |
Benchmark
| Antutu 10 Total | 266589 | 268890 | |
| Antutu 10 CPU | 78142 | 93652 | |
| Antutu 10 GPU | 45333 | 38433 | |
| Antutu 10 Mem | 67437 | 62918 | |
| Antutu 10 UX | 78142 | 93652 | |
| Antutu 8 Total | 138454 | 201917 | |
| Antutu 7 Total | |||
| GeekBench 6 Single Core | 325 | 410 | |
| GeekBench 6 Multi Core | 1031 | 1295 | |
| GeekBench 6 OpenCL | 761 | 1090 | |
| GeekBench 6 Vulkan | 1472 | 1074 | |
| GeekBench 5 Single Core | 264 | 358 | |
| GeekBench 5 Multi-Core | 1276 | 1287 |
Communication and Connectivity
| SIM card | Single SIM (Nano-SIM)Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) | |
| Network | GSM / HSPA / LTE | GSM / HSPA / LTE | |
Show all network frequencies: |
|||
| Speed | HSPA, LTE-A | HSPA 42.2/5.76 Mbps, LTE-A | |
| GPRS | Yes | Yes | |
| Edge | Yes | Yes | |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | |
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS | Yes, with A-GPS, GLONASS, BDS | |
| NFC | Yes | Yes (market/region dependent) | |
| USB | 2.0, Type-C 1.0 reversible connector, USB On-The-Go | 2.0, Type-C 1.0 reversible connector, USB On-The-Go | |
| Bluetooth | 5.0, A2DP, LE | 5.0, A2DP, LE | |
| Harmful irradiation |
SAR - 0.80 W/kg (head) 0.67 W/kg (body) SAR EU - 0.37 W/kg (head) 1.59 W/kg (body) |
SAR - 0.91 W/kg (head) 1.00 W/kg (body) SAR EU - 0.91 W/kg (head) 1.00 W/kg (body) |
|
Music and Audio
| Radio | FM radio | Wireless FM radio | |
| Headphone jack | Yes | Yes | |
| Others | - Active noise cancellation with dedicated mic |
Other features
| Sensors | - Fingerprint (under display, optical), accelerometer, gyro, proximity, compass | - Fingerprint (rear-mounted), accelerometer, proximity, compass , Infrared port | |
| Other extras |
- ANT+ - Fast battery charging 15W |
- Fast charging 18W |
|
| Versions |
- Versions: SM-A515F/DSN (Global); SM-A515F/DS (LATAM); SM-A515F/DST (Brazil); SM-A515F/DSM (Russia); SM-A515F/N (Australia) |
Share on Share on