Both Oppo F31 Pro 5G and Oppo A78 comes with same RAM. In terms of display resolution, Oppo F31 Pro 5G has better resolution of 2372 x 1080 than Oppo A78 which has resolution of 1612 x 720. Both have the same amount of internal memory.
| Name | Oppo F31 Pro 5G | Oppo A78 |
| RAM | 8 GB | 8 GB |
|---|---|---|
| Display | 6.57 in | 6.56 in |
| Internal Memory | 128 GB | 128 GB |
| Battery | 7000 mAh | 5000 mAh |
| Camera | 50 MP + 2 MP Dual | 50 MP + 2 MP Dual |
| Price | Rs. 27999 | Rs. 18500 |
The launch Date of the first phone is September 15, 2025. The cost of Oppo F31 Pro 5G is Rs. 27999. The launch Date of the second phone is January 16, 2023. The cost of Oppo A78 is Rs. 18500.
Oppo F31 Pro 5G has larger screen size of 6.57 inches in comparison to Oppo A78's 6.56 inch screen. Oppo F31 Pro 5G has AMOLED Screen type where as Oppo A78 has IPS Screen type. Oppo F31 Pro 5G has display density of 390 PPI & Oppo A78 has only 269 PPI display density. In terms of screen to body ratio, Oppo F31 Pro 5G has better screen to body ratio of ~ 93% than Oppo A78's ~ 84%. Both phones have same aspect ratio of 20:9.
Both phones come with 8 GB RAM and both have same Internal Memory of 128 GB.
Oppo F31 Pro 5G has 50 MP + 2 MP Dual Rear Camera in comparison to Oppo A78's 50 MP + 2 MP Dual Rear Camera. Oppo F31 Pro 5G will be better choice if you're looking to click lot of selfies as it has better 32 MP Front Camera in comparison to Oppo A78's 8 MP Front Camera.
Both the phones has Android Operating System but the first one runs on version 15 and the second one on 12 version.
| Name | Oppo F31 Pro 5G | Oppo A78 |
| General | ||
| Model | F31 Pro | A78 |
| Sim Type | Dual Sim, GSM+GSM (Hybrid Slot) | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano SIM |
| SAR | 1.13 W/kg (Head) 0.85 W/kg (Body) | |
| Device Type | Smartphone | Smartphone |
| Release Date | September 15, 2025 | January 16, 2023 |
| In The Box | Phone x 1, Charger x 1, USB Data Cable x 1, SIM Ejector Tool x 1, Protective Case x 1, Quick Guide x 1 | |
| Design | ||
| Dimensions | 75 x 158.2 x 8 mm | 75.1 x 163.8 x 8 mm |
| Weight | 191 g | 188 g |
| Colors | Space Grey | Desert Gold | Glowing Black, Glowing Purple |
| Display | ||
| Type | Color AMOLED Screen (1.07 B) | Color IPS Screen (16.7 M) |
| Touch | Yes, 240 Hz Touch Sampling Rate | Yes |
| Size | 6.57 inches, 1080 x 2372 pixels, 120 Hz | 6.56 inches, 720 x 1612 pixels, 90 Hz |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 390 PPI | ~ 269 PPI |
| Screen to Body Ratio | ~ 93% | ~ 84% |
| Glass Type | DT-Star D+ | Panda glass |
| Brightness | Normal brightness: 600nits (Typical), HBM: 1400nits (Typical) | |
| Features | Vivid mode: 100% DCI-P3, Natural mode: 100% sRGB | 100% DCI-P3, 600nits (Typical), 480nits (Typical) |
| Notch | Yes, Punch Hole | Yes, Water Drop Notch |
| Memory | ||
| RAM | 8 GB | 8 GB |
| RAM Type | LPDDR4X | |
| Expandable RAM | Upto 8 GB Extra Virtual RAM | Upto 8 GB Extra Virtual RAM |
| Storage | 128 GB | 128 GB |
| Storage Type | UFS 3.1 | UFS 2.2 |
| Card Slot | Yes | |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| 5G Bands | n1/n3/n5/n8/n28B/n38/n40/n41/n77/n78 | NR: n1/n5/n8/n28A/n41/n78 |
| VoLTE | Yes, Dual Stand-By | Yes |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Wi-Fi 6 (802.11ax) Supported, Wi-Fi 5 (802.11ac) Supported, 802.11a/b/g/n Supported, Wi-Fi Display Supported, WLAN Tethering Supported | Wi-Fi 5 (802.11ac) |
| Bluetooth | Yes, v5.4, SBC, AAC, LDAC, aptX, aptX HD | Yes, v5.3, A2DP, LE, 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 |
| Performance | ||
| Camera Score | 69 (DxOMark) | |
| Extra | ||
| GPS | Single band: Beidou, GPS, GLONASS, Galileo, QZSS | Yes, with A-GPS, GLONASS, GALILEO, BDS |
| Fingerprint Sensor | Yes, In Display | Yes, Side |
| Face Unlock | Yes | Yes |
| Sensors | Proximity, Ambient light, Color temperature, E-compass, Accelerometer, Gyroscope | Accelerometer, 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 | IP54 |
| Dust Resistant | Yes | |
| Camera | ||
| Rear Camera | 50 MP ƒ/1.8 (Wide Angle) FOV 78°; 5P lens; AF Supported; Supports two-axis OIS 2 MP ƒ/2.4 (Macro) FOV 89°; 3P lens | 50 MP ƒ/1.8 (Wide Angle) 2 MP ƒ/2.4 (Depth Sensor) |
| Auto Focus | Yes | Yes |
| Features | Photo, Video, Portrait, Night, Panorama, SLO-MO, DUAL-VIEW VIDEO, TIME-LAPSE, STICKER, HI-RES, Underwater, PRO, DOC SCANNER | Night, Videos, Photos, Portrait, Expert, Extra HD, Panoramic, Time-lapse, Slow-motion, Sticker, Text scanner, and Google Lens |
| 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 | 8 MP ƒ/2 (Wide Angle) Screen Flash |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v15 | Android v12 |
| Custom UI | ColorOS 15 | |
| Chipset | mediatek Dimensity 7300 Energy | Mediatek Dimensity 700 5G |
| CPU | 2.5 GHz, Octa Core Processor | 2.2 GHz, Octa Core Processor |
| Core Details | 4x2.5 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55 | 2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55 |
| GPU | Mali-G615 MC2 | Mali-G57 MC2 |
| Java | No | No |
| Browser | Yes | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | Yes | Yes |
| Video | Yes | Yes |
| FM Radio | No | No |
| Audio Jack Type | USB Type-C | |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 7000 mAh | 5000 mAh, Li-Po Battery |
| Fast Charging | Yes, 80W SuperVOOC | Yes, 33W Fast Charging |
| Reverse Charging | Yes | |