Oppo F31 Pro Plus 5G vs Samsung Galaxy A51
Quick Comparison
Oppo F31 Pro Plus 5G has better RAM than Samsung Galaxy A51. In terms of display resolution, Oppo F31 Pro Plus 5G has better resolution of 2800 x 1280 than Samsung Galaxy A51 which has resolution of 2340 x 1080. Oppo F31 Pro Plus 5G has more internal memory than Samsung Galaxy A51
| Name | Oppo F31 Pro Plus 5G | Samsung Galaxy A51 |
| RAM | 8 GB | 6 GB |
|---|---|---|
| Display | 6.8 in | 6.5 in |
| Internal Memory | 256 GB | 128 GB |
| Battery | 7000 mAh | 4000 mAh |
| Camera | 50 MP + 2 MP Dual | 48 MP Quad |
| Price | Rs. 31988 | Rs. 17999 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is September 15, 2025. The cost of Oppo F31 Pro Plus 5G is Rs. 31988. The launch Date of the second phone is January 29, 2020 . The cost of Samsung Galaxy A51 is Rs. 17999.
Display comparison
Oppo F31 Pro Plus 5G has larger screen size of 6.8 inches in comparison to Samsung Galaxy A51's 6.5 inch screen. Oppo F31 Pro Plus 5G has AMOLED Screen type where as Samsung Galaxy A51 has Super AMOLED Screen type. OPPO's phone has display density of 453 PPI & Samsung's phone has only 405 PPI display density. In terms of screen to body ratio, OPPO's phone has better screen to body ratio of ~ 93.5% than Samsung's phone ~ 87.4%. Oppo F31 Pro Plus 5G has 20:9 aspect ratio where as Samsung Galaxy A51 has 20:9 aspect ratio.
Memory comparison
Oppo F31 Pro Plus 5G's larger 8 GB RAM is better for playing games and all with respect to Samsung Galaxy A51's lower 6 GB RAM. Oppo F31 Pro Plus 5G has more Internal Memory (256 GB) than Samsung Galaxy A51 (128 GB).
Camera comparison
Oppo F31 Pro Plus 5G's 50 MP + 2 MP Dual Rear Camera outshines Samsung Galaxy A51's 48 MP Quad Rear Camera in terms of resolution. Both of them stand equal in terms of Front Camera Resolution as both have 32 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 15 and the second one on 10 version.
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Full Comparison
| Name | Oppo F31 Pro Plus 5G | Samsung Galaxy A51 |
| General | ||
| Model | CPH2757 | Galaxy A51 |
| Sim Type | Dual Sim, GSM+GSM (Hybrid Slot) | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| SAR | 1.16 W/kg (Head) 0.99 W/kg (Body) | |
| Device Type | Smartphone | Smartphone |
| Release Date | September 15, 2025 | January 29, 2020 |
| In The Box | Phone x 1, Charger x 1, USB Data Cable x 1, SIM Ejector Tool x 1, Quick Guide x 1, Protective Case x 1 | |
| Design | ||
| Dimensions | 77.6 x 163.1 x 7.7 mm | 73.6 x 158.5 x 7.9 mm |
| Weight | 195 g | 172 g |
| Colors | Festival Pink | Himalayan White | Gemstone Blue | |
| Display | ||
| Type | Color AMOLED Screen (1.07 B) | Color Super AMOLED Screen (16M Colors) |
| Touch | Yes, 240 Hz Touch Sampling Rate | Yes |
| Size | 6.8 inches, 1280 x 2800 pixels, 120 Hz | 6.5 inches, 1080 x 2340 pixels |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 453 PPI | ~ 405 PPI |
| Screen to Body Ratio | ~ 93.5% | ~ 87.4% |
| Glass Type | Corning Gorilla Glass Victus 2 | |
| Brightness | Normal brightness: 600nits (Typical), HBM: 1600nits (Typical) | |
| Features | Vivid mode: 100% DCI-P3, Natural mode: 100% sRGB | |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Curved Display | Yes | |
| Memory | ||
| RAM | 8 GB | 6 GB |
| RAM Type | LPDDR4X | |
| Expandable RAM | Upto 8 GB Extra Virtual RAM | |
| Storage | 256 GB | 128 GB |
| Storage Type | UFS 3.1 | |
| Card Slot | Yes, upto 512 GB | |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | |
| 5G Bands | 5G NR: n1/n3/n5/n8/n28B/n38/n40/n41/n77/n78 | |
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | WLAN 2.4G Supported, WLAN 5G Supported, Wi-Fi 5 (802.11ac) Supported, Wi-Fi 6 (802.11ax) Supported, 802.11a/b/g/n Supported, Wi-Fi Display Supported, WLAN Tethering Supported | |
| Bluetooth | Yes, v5.2, SBC, AAC, LDAC, aptX, aptX HD | Yes, v5.0 |
| USB | Yes, USB-C v2.0 | Yes, USB-C v2.0 |
| USB Features | USB on-the-go, USB Charging | USB on-the-go, USB Charging |
| Extra | ||
| GPS | Dual band: GPS (L1+L5), GLONASS (G1), BDS (B1I+B1C+B2a), Galileo (E1+E5a), QZSS (L1+L5), NavIC (L5) | Yes, with A-GPS, GLONASS, GALILEO, BDS |
| Fingerprint Sensor | Yes, In Display | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Proximity, Ambient light, Color temperature, E-compass, Accelerometer, Gyroscope | Accelerometer, Gyro, Proximity, Compass |
| 3.5mm Headphone Jack | No | Yes |
| AI Features | AI Eraser 2.0, AI Perfect Shot, AI Group Photo Composer, AI Recompose, AI VoiceScribe, AI Call Assistant, AI Assistant for Notes, Google Gemini | |
| Water Resistance | Yes | |
| IP Rating | IP69 + IP68 + IP66 | |
| Dust Resistant | Yes | |
| Extra Features | Network Boost Chip S1, Beacon Link 2.0, Glove Touch, Anti-Spam Call Blocker OPPO Dialer | |
| Camera | ||
| Rear Camera | 50 MP ƒ/1.8 (Wide Angle) FOV 76°; 5P lens; AF Supported; Supports 2-axis OIS 2 MP ƒ/2.4 (Ultra Wide) FOV 89°; 3P lens | 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) |
| OIS | Yes | |
| Auto Focus | Yes | Yes |
| Features | Photo, Video, Portrait, Night, Panorama, SLO-MO, DUAL-VIEW VIDEO, TIME-LAPSE, STICKER, HI-RES, Google Lens, Underwater, PRO, DOC SCANNER | Panorama, HDR |
| Video Recording | 4K @ 30 fps UHD, 1080p @ 60 fps FHD, 720p @ 60 fps HD | 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 32 MP ƒ/2.4 (Wide Angle) FOV 82°; 5P lens Punch Hole | 32 MP ƒ/2.2 (Wide Angle) |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v15 | Android v10, upgradable to v12 |
| Custom UI | ColorOS 15 | |
| Chipset | Qualcomm Snapdragon 7 Gen3 | Samsung Exynos 9611 |
| CPU | 2.63 GHz, Octa Core Processor | 2.3 GHz, Octa Core Processor |
| Core Details | 1xPrime Core@2.63 GHz & 3xPerformance Cores@2.4 GHz& 4xEfficiency cores@1.8 GHz | 4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53 |
| GPU | Adreno 720 | Mali-G72 MP3 |
| Java | No | No |
| Browser | Yes | Yes, supports HTML5 |
| Multimedia | ||
| Yes | Yes | |
| Music | Yes | Yes |
| Video | Yes | Yes |
| FM Radio | No | Yes |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 7000 mAh | 4000 mAh, Li-Po Battery |
| Fast Charging | Yes, 80W SuperVOOC Charging | Yes, 15W Fast Charging |
| Reverse Charging | Yes | |