Samsung Galaxy A81 vs Samsung Galaxy A51
Quick Comparison
Samsung Galaxy A81 has better RAM than Samsung Galaxy A51. In terms of display resolution, Samsung Galaxy A81 has better resolution of 2400 x 1080 than Samsung Galaxy A51 which has resolution of 2340 x 1080. Both have the same amount of internal memory.
| Name | Samsung Galaxy A81 | Samsung Galaxy A51 |
| RAM | 8 GB | 6 GB |
|---|---|---|
| Display | 6.8 in | 6.5 in |
| Internal Memory | 128 GB | 128 GB |
| Battery | 4000 mAh | 4000 mAh |
| Camera | 48 MP + 10 MP Dual | 48 MP Quad |
| Price | Rs. 34999 | Rs. 24999 |
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Detailed Comparison
Price And Launch
The cost of Samsung Galaxy A81 is Rs. 34999. The launch Date of the second phone is January 29, 2020 . The cost of Samsung Galaxy A51 is Rs. 24999.
Display comparison
Samsung Galaxy A81 has larger screen size of 6.8 inches in comparison to Samsung Galaxy A51's 6.5 inch screen. Samsung Galaxy A81 has AMOLED Screen type where as Samsung Galaxy A51 has Super AMOLED Screen type. Samsung Galaxy A51 has display density of 405 PPI & Samsung Galaxy A81 has only 387 PPI display density.
Memory comparison
Samsung Galaxy A81's larger 8 GB RAM is better for playing games and all with respect to Samsung Galaxy A51's lower 6 GB RAM. and both have same Internal Memory of 128 GB.
Camera comparison
Samsung Galaxy A81 has 48 MP + 10 MP Dual Rear Camera in comparison to Samsung Galaxy A51's 48 MP Quad Rear Camera. Samsung Galaxy A81 will be better choice if you're looking to click lot of selfies as it has better 48 MP + 10 MP Dual Front Camera in comparison to Samsung Galaxy A51's 32 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version v9.0 (Pie) and the second one on 10 version.
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Full Comparison
| Name | Samsung Galaxy A81 | Samsung Galaxy A51 |
| General | ||
| Model | Galaxy A81 | Galaxy A51 |
| 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 | January 29, 2020 | |
| Design | ||
| Dimensions | 73.6 x 158.5 x 7.9 mm | |
| Weight | 172 g | |
| Display | ||
| Type | Color AMOLED Screen (16M Colors) | Color Super AMOLED Screen (16M Colors) |
| Touch | Yes | Yes |
| Size | 6.8 inches, 1080 x 2400 pixels | 6.5 inches, 1080 x 2340 pixels |
| Aspect Ratio | 20:9 | |
| PPI | ~ 387 PPI | ~ 405 PPI |
| Screen to Body Ratio | ~ 87.4% | |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Memory | ||
| RAM | 8 GB | 6 GB |
| Storage | 128 GB | 128 GB |
| Card Slot | No | Yes, upto 512 GB |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Bluetooth | Yes, v5.0 | Yes, v5.0 |
| USB | Yes, USB-C | Yes, USB-C v2.0 |
| USB Features | USB Tethering, USB on-the-go, USB Charging | USB on-the-go, USB Charging |
| Extra | ||
| GPS | yes with A-GPS, Glonass | Yes, with A-GPS, GLONASS, GALILEO, BDS |
| Fingerprint Sensor | Yes, In Display | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope | Accelerometer, Gyro, Proximity, Compass |
| 3.5mm Headphone Jack | Yes | Yes |
| NFC | Yes | |
| Camera | ||
| Rear Camera | 48 MP + 10 MP | 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) |
| Auto Focus | Yes, yes Phase Detection autofocus | Yes |
| Features | Digital Zoom, Auto Flash, Face detection, Touch to focus | Panorama, HDR |
| Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 48 MP + 10 MP | 32 MP ƒ/2.2 (Wide Angle) |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v9.0 (Pie) | Android v10, upgradable to v12 |
| Chipset | Qualcomm Snapdragon 730G | Samsung Exynos 9611 |
| CPU | 2.2 GHz, Octa Core Processor | 2.3 GHz, Octa Core Processor |
| Core Details | 2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver | 4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53 |
| GPU | Adreno 618 | Mali-G72 MP3 |
| Java | No | No |
| Browser | Yes | Yes, supports HTML5 |
| Multimedia | ||
| Yes | Yes | |
| Music | Yes | Yes |
| Video | Yes | Yes |
| FM Radio | Yes | Yes |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 4000 mAh, Li-ion Battery | 4000 mAh, Li-Po Battery |
| Fast Charging | Yes | Yes, 15W Fast Charging |