Samsung Galaxy A51 vs Oppo F31 Pro Plus 5G
Here you can compare Samsung Galaxy A51 and Oppo F31 Pro Plus 5G. Comparing Samsung Galaxy A51 vs Oppo F31 Pro Plus 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 Oppo F31 Pro Plus 5G and which one should you buy The current lowest price found for Samsung Galaxy A51 is ₹17,999 and for Oppo F31 Pro Plus 5G is ₹31,988. The details of both of these products were last updated on Jul 10, 2026.
| Specification | Samsung Galaxy A51 | Oppo F31 Pro Plus 5G |
|---|---|---|
| Internal Memory | 128 GB | 256 GB |
| 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/1.8 (Wide Angle) FOV 76°; 5P lens; AF Supported; Supports 2-axis OIS 2 MP ƒ/2.4 (Ultra Wide) FOV 89°; 3P lens |
| CPU | 2.3 GHz, Octa Core Processor | 2.63 GHz, Octa Core Processor |
| Display | 6.5 inches, 1080 x 2340 pixels | 6.8 inches, 1280 x 2800 pixels, 120 Hz |
| RAM | 6 GB | 8 GB |
| Price | ₹17,999 | ₹31,988 |
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Overview
| Specs Score | 53 / 100 | 70 / 100 Better Specs |
| Display Resolution | 1080 x 2340 pixels | 1280 x 2800 pixels Better Resolution |
| Screen To Body Ratio | ~ 87.4% | ~ 93.5% Less Bezels |
| RAM | 6 GB | 8 GB More RAM |
| Storage | 128 GB | 256 GB More Storage |
| CPU Clock Speed | 2.3 GHz | 2.63 GHz Faster Clock Speed |
| Weight | 172 g Lighter | 195 g |
| Battery | 4000 mAh | 7000 mAh Bigger Battery |
| Unique Features | No 3.5mm Audio Jack FM Radio No Memory Card Support No | 5G No No Water Resistant No Reverse Charging |
General
| Model | Galaxy A51 | CPH2757 |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM (Hybrid Slot) |
| 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 | January 29, 2020 | September 15, 2025 |
| 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 | 73.6 x 158.5 x 7.9 mm | 77.6 x 163.1 x 7.7 mm |
| Weight | 172 g | 195 g |
| Colors | Festival Pink | Himalayan White | Gemstone Blue |
Display
| Type | Color Super AMOLED Screen (16M Colors) | Color AMOLED Screen (1.07 B) |
| Touch | Yes | Yes, 240 Hz Touch Sampling Rate |
| Size | 6.5 inches, 1080 x 2340 pixels | 6.8 inches, 1280 x 2800 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 405 PPI | ~ 453 PPI |
| Screen to Body Ratio | ~ 87.4% | ~ 93.5% |
| 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 | 6 GB | 8 GB |
| RAM Type | LPDDR4X | |
| Expandable RAM | Upto 8 GB Extra Virtual RAM | |
| Storage | 128 GB | 256 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, v5.0 | Yes, v5.2, SBC, AAC, LDAC, aptX, aptX HD |
| 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 | Yes, with A-GPS, GLONASS, GALILEO, BDS | Dual band: GPS (L1+L5), GLONASS (G1), BDS (B1I+B1C+B2a), Galileo (E1+E5a), QZSS (L1+L5), NavIC (L5) |
| Fingerprint Sensor | Yes, In Display | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro, Proximity, Compass | Proximity, Ambient light, Color temperature, E-compass, Accelerometer, Gyroscope |
| 3.5mm Headphone Jack | Yes | No |
| 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 | 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/1.8 (Wide Angle) FOV 76°; 5P lens; AF Supported; Supports 2-axis OIS 2 MP ƒ/2.4 (Ultra Wide) FOV 89°; 3P lens |
| OIS | Yes | |
| Auto Focus | Yes | Yes |
| Features | Panorama, HDR | Photo, Video, Portrait, Night, Panorama, SLO-MO, DUAL-VIEW VIDEO, TIME-LAPSE, STICKER, HI-RES, Google Lens, Underwater, PRO, DOC SCANNER |
| Video Recording | 1080p @ 30 fps FHD | 4K @ 30 fps UHD, 1080p @ 60 fps FHD, 720p @ 60 fps HD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 32 MP ƒ/2.2 (Wide Angle) | 32 MP ƒ/2.4 (Wide Angle) FOV 82°; 5P lens Punch Hole |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
Technical
| OS | Android v10, upgradable to v12 | Android v15 |
| Custom UI | ColorOS 15 | |
| Chipset | Samsung Exynos 9611 | Qualcomm Snapdragon 7 Gen3 |
| CPU | 2.3 GHz, Octa Core Processor | 2.63 GHz, Octa Core Processor |
| Core Details | 4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53 | 1xPrime Core@2.63 GHz & 3xPerformance Cores@2.4 GHz& 4xEfficiency cores@1.8 GHz |
| GPU | Mali-G72 MP3 | Adreno 720 |
| Java | No | No |
| Browser | Yes, supports HTML5 | Yes |
Multimedia
| Yes | Yes | |
| Music | Yes | Yes |
| Video | Yes | Yes |
| FM Radio | Yes | No |
| Document Reader | Yes | Yes |
Battery
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 4000 mAh, Li-Po Battery | 7000 mAh |
| Fast Charging | Yes, 15W Fast Charging | Yes, 80W SuperVOOC Charging |
| Reverse Charging | Yes |
Discuss
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