DailyTechPricesDevice Comparison
| Galaxy A51 | Redmi A7 | |
|---|---|---|
| LAUNCH DATE | ||
| Announced | December 12, 2019 | 2026, April 21 |
| Released | 2019, December | 2026, April 24 |
| Status | December 16, 2019, | Available |
| NETWORK | ||
| 2G Bands | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 2/3/5/8 |
| 3G Bands | HSDPA 850 / 900 / 2100 | HSDPA 850 / 900 / 2100 |
| 4G LTE | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 38, 40, 41, 66 | 1, 3, 5, 8, 28, 40, 41 |
| 5G | No | No |
| Speed | LTE | HSPA, LTE |
| Technology | 4G/LTE/2G | GSM / HSPA / LTE |
| BODY | ||
| Build | Glass front (Gorilla Glass 3), plastic back, plastic frame | Glass front, plastic back, plastic frame |
| Dimensions | 158.5 x 73.6 x 7.9 mm (6.24 x 2.90 x 0.31 in) | 171.8 x 79.8 x 8.3 mm (6.76 x 3.14 x 0.33 in) |
| IP Rating | No IP rating | Dust and Splash Resistant |
| SIM | Nano-SIM + Nano-SIM | Dual SIM + microSD |
| Weight | 172 g (6.07 oz) | 193g |
| DISPLAY | ||
| Brightness | 630 nits (measured) | 450 nits (typ) |
| Color | — | Color gamut: 70% NTSC |
| Protection | Corning Gorilla Glass 3 | — |
| Refresh Rate | 60Hz | Up to 120Hz |
| Resolution | 1080 x 2400 pixels, 20:9 ratio (~405 ppi density) | 720 x 1640 pixels (~260 ppi density) |
| Screen-to-body | ~87.4% | ~82.0% |
| Size | 6.5 inches, 102.0 cm2 (~87.4% screen-to-body ratio) | 6.88" |
| Type | Super AMOLED | LCD |
| PLATFORM | ||
| CPU | Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53) | Octa-core (2x1.8 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55) |
| Chipset | Exynos 9611 (10 nm) | UNISOC T7250 |
| GPU | Mali-G72 MP3 | Mali-G57 |
| OS | Android 10, upgradable to Android 13, One UI 5 | Android 15 (Go Edition) |
| MEMORY | ||
| Card slot | microSDXC (dedicated slot) | microSDXC (dedicated slot) |
| Internal | 64GB, 128GB, 256GB | 64GB |
| RAM | 4GB RAM, 6GB RAM, 8GB RAM | 3 GB |
| Storage Type | — | LPDDR4X + eMMC 5.1 |
| Storage/RAM variants | 64GB, 128GB, 256GB; 4GB RAM, 6GB RAM, 8GB RAM | 64GB; 3 GB RAM |
| MAIN CAMERA | ||
| Features | LED flash, panorama, HDR | LED Flash, HDR |
| MAIN CAMERA | 48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF 12 MP, f/2.2, 123˚ (ultrawide) 5 MP, f/2.4, (macro) 5 MP, f/2.2, (depth) | 13MP main camera, f/2.2 |
| Video | 4K@30fps, 1080p@30/120fps; gyro-EIS | 1080p at 30fps; 720p at 30fps |
| SELFIE CAMERA | ||
| Features | HDR | HDR |
| Selfie camera | 32 MP, f/2.2, 26mm (wide), 1/2.8", 0.8µm | 8MP front camera, f/2.0 |
| Video | 4K@30fps, 1080p@30fps | 1080p at 30fps; 720p at 30fps |
| SOUND | ||
| 3.5mm jack | 3.5mm jack | 3.5 mm headphone jack |
| Loudspeaker | Yes | Yes |
| COMMUNICATION | ||
| Bluetooth | 5.0, A2DP, LE | 5.2 |
| NFC | Yes | No |
| Positioning | GPS, GLONASS, GALILEO, BDS | GPS, GLONASS, Galileo, Beidou |
| Radio | FM radio | Yes |
| USB | USB Type-C 2.0, OTG | USB Type-C 2.0 |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct | Wi-Fi Protocol: 802.11a/b/g/n/ac |
| FEATURES | ||
| Sensors | Fingerprint (under display, optical), accelerometer, gyro, compass; Virtual proximity sensing; ANT+ | Virtual Proximity sensor; Virtual Ambient light sensor; Accelerometer; Electronic compass |
| BATTERY | ||
| Capacity | 4000 mAh | 5200mAh (typ) |
| Charging Type | 15W wired | 15W fast charging |
| Type | Li-Po 4000 mAh, non-removable | Non-removable Li-Po Battery |
| ADDITIONAL INFORMATION | ||
| Colors | Prism Crush Black, Prism Crush White, Prism Crush Blue, Prism Crush Pink | Black, Sky Blue |
| Compatibility | — | Cambodia specification set |
| Launch Price (USD) | $118.00 (reference only — see Price in Nigeria above for the actual retail price) | — |
| Models | SM-A515F, SM-A515F/DSN, SM-A515F/DS, SM-A515F/DST, SM-A515F/DSM, SM-A515F/N, SM-A515U, SM-A515U1, SM-A515W, SM-A515X, SM-S515DL | Redmi A7 |
| Price in Nigeria | ₦176,363 | ₦120,000 |
| SECURITY | ||
| Security | Biometric security: Fingerprint (under display, optical). | Side fingerprint sensor; AI Face Unlock |