Samsung Galaxy M51 (8GB RAM + 128GB) vs Oppo F31 Pro Plus 5G
Quick Comparison
Both Samsung Galaxy M51 (8GB RAM + 128GB) and Oppo F31 Pro Plus 5G comes with same RAM. In terms of display resolution, Oppo F31 Pro Plus 5G has better resolution of 2800 x 1280 than Samsung Galaxy M51 (8GB RAM + 128GB) which has resolution of 2400 x 1080. Oppo F31 Pro Plus 5G has more internal memory than Samsung Galaxy M51 (8GB RAM + 128GB)
| Name | Samsung Galaxy M51 (8GB RAM + 128GB) | Oppo F31 Pro Plus 5G |
| RAM | 8 GB | 8 GB |
|---|---|---|
| Display | 6.7 in | 6.8 in |
| Internal Memory | 128 GB | 256 GB |
| Battery | 7000 mAh | 7000 mAh |
| Camera | 64 MP Quad | 50 MP + 2 MP Dual |
| Price | Rs. 20999 | Rs. 32999 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is September 10, 2020. The cost of Samsung Galaxy M51 (8GB RAM + 128GB) is Rs. 20999. The launch Date of the second phone is September 15, 2025. The cost of Oppo F31 Pro Plus 5G is Rs. 32999.
Display comparison
Samsung Galaxy M51 (8GB RAM + 128GB) has screen size of 6.7 inches which falls short to Oppo F31 Pro Plus 5G's 6.8 inch screen. Samsung Galaxy M51 (8GB RAM + 128GB) has Super AMOLED Plus Screen type where as Oppo F31 Pro Plus 5G has AMOLED Screen type. OPPO's phone has display density of 453 PPI & Samsung's phone has only 386 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 ~ 86.7%. Both mobiles have same aspect ratio of 20:9.
Memory comparison
Both phones come with 8 GB RAM Oppo F31 Pro Plus 5G has more Internal Memory (256 GB) than Samsung Galaxy M51 (8GB RAM + 128GB) (128 GB).
Camera comparison
Samsung Galaxy M51 (8GB RAM + 128GB)'s 64 MP Quad Rear Camera outshines Oppo F31 Pro Plus 5G's 50 MP + 2 MP Dual 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 10 and the second one on 15 version.
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Full Comparison
| Name | Samsung Galaxy M51 (8GB RAM + 128GB) | Oppo F31 Pro Plus 5G |
| General | ||
| Model | M51 | 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 | September 10, 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 | 76.3 x 163.9 x 9.5 mm | 77.6 x 163.1 x 7.7 mm |
| Weight | 213 g | 195 g |
| Colors | Festival Pink | Himalayan White | Gemstone Blue | |
| Display | ||
| Type | Color Super AMOLED Plus Screen (16M Colors) | Color AMOLED Screen (1.07 B) |
| Touch | Yes | Yes, 240 Hz Touch Sampling Rate |
| Size | 6.7 inches, 1080 x 2400 pixels | 6.8 inches, 1280 x 2800 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 386 PPI | ~ 453 PPI |
| Screen to Body Ratio | ~ 86.7% | ~ 93.5% |
| Glass Type | Corning Gorilla Glass 3 | 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 | 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, A2DP, LE | Yes, v5.2, SBC, AAC, LDAC, aptX, aptX HD |
| USB | Yes, USB-C v2.0 | 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, GALILEO, BDS | Dual band: GPS (L1+L5), GLONASS (G1), BDS (B1I+B1C+B2a), Galileo (E1+E5a), QZSS (L1+L5), NavIC (L5) |
| Fingerprint Sensor | Yes, Side | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro Sensor, Geomagnetic Sensor, RGB Light Sensor, Proximity Sensor, Compass | Proximity, Ambient light, Color temperature, E-compass, Accelerometer, Gyroscope |
| 3.5mm Headphone Jack | Yes | No |
| NFC | 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 | 64 MP ƒ/1.8 (Wide Angle) 12 MP ƒ/2.2 (Ultra Wide) 5 MP ƒ/2.4 (Depth Sensor) 5 MP ƒ/2.4 (Macro) Macro | 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 |
| Camera Sensor | Sony IMX682 | |
| 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 | 4K @ 30 fps UHD, 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 (Wide Angle) Punch Hole, Screen Flash | 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 | Android v15 |
| Custom UI | ColorOS 15 | |
| Chipset | Qualcomm Snapdragon 730G | Qualcomm Snapdragon 7 Gen3 |
| CPU | 2.2 GHz, Octa Core Processor | 2.63 GHz, Octa Core Processor |
| Core Details | 2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver | 1xPrime Core@2.63 GHz & 3xPerformance Cores@2.4 GHz& 4xEfficiency cores@1.8 GHz |
| GPU | Adreno 618 | Adreno 720 |
| Java | No | No |
| Browser | Yes, supports HTML5 | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | MP3, M4A, 3GA, AAC, OGG, OGA, WAV, WMA, AMR, AWB, FLAC, MID, MIDI, XMF, MXMF, IMY, RTTTL, RTX, OTA | Yes |
| Video | MP4, M4V, 3GP, 3G2, WMV, ASF, AVI, FLV, MKV, WEBM | Yes |
| FM Radio | Yes | No |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 7000 mAh, Li-Po Battery | 7000 mAh |
| Fast Charging | Yes, 25W Fast Charging | Yes, 80W SuperVOOC Charging |
| Reverse Charging | Yes | Yes |
| Talk Time | 64 hours | |
| Music Playback Time | 182 hours | |