OPPO F9 Pro (6GB RAM + 128GB) vs Oppo F31 5G
Quick Comparison
Oppo F31 5G has better RAM than OPPO F9 Pro (6GB RAM + 128GB). In terms of display resolution, Oppo F31 5G has better resolution of 2412 x 1080 than OPPO F9 Pro (6GB RAM + 128GB) which has resolution of 2340 x 1080. Both have the same amount of internal memory.
| Name | OPPO F9 Pro (6GB RAM + 128GB) | Oppo F31 5G |
| RAM | 6 GB | 8 GB |
|---|---|---|
| Display | 6.3 in | 6.57 in |
| Internal Memory | 128 GB | 128 GB |
| Battery | 3500 mAh | 7000 mAh |
| Camera | 16 MP + 2 MP Dual | 50 MP + 2 MP Dual |
| Price | Rs. 14994 | Rs. 22999 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is August 21, 2018. The cost of OPPO F9 Pro (6GB RAM + 128GB) is Rs. 14994. The launch Date of the second phone is September 15, 2025. The cost of Oppo F31 5G is Rs. 22999.
Display comparison
OPPO F9 Pro (6GB RAM + 128GB) has screen size of 6.3 inches which falls short to Oppo F31 5G's 6.57 inch screen. OPPO F9 Pro (6GB RAM + 128GB) has IPS LCD Screen type where as Oppo F31 5G has AMOLED Screen type. OPPO F9 Pro (6GB RAM + 128GB) has display density of 409 PPI & Oppo F31 5G has only 402 PPI display density. OPPO F9 Pro (6GB RAM + 128GB) has 19.5:9 aspect ratio where as Oppo F31 5G has 20:9 aspect ratio.
Memory comparison
Oppo F31 5G's larger 8 GB RAM is better for playing games and all with respect to OPPO F9 Pro (6GB RAM + 128GB)'s lower 6 GB RAM. and both have same Internal Memory of 128 GB.
Camera comparison
Oppo F31 5G's 50 MP + 2 MP Dual Rear Camera outclasses OPPO F9 Pro (6GB RAM + 128GB)'s 16 MP + 2 MP Dual Rear Camera in terms of resolution. OPPO F9 Pro (6GB RAM + 128GB) will be better choice if you're looking to click lot of selfies as it has better 25 MP Front Camera in comparison to Oppo F31 5G's 16 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version v8.1 (Oreo) and the second one on 15 version.
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Full Comparison
| Name | OPPO F9 Pro (6GB RAM + 128GB) | Oppo F31 5G |
| General | ||
| Country of Origin | India | |
| Model | F9 Pro | CPH2781 |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM (Hybrid Slot) |
| Dual Sim | Yes | Yes |
| Sim Size | Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | August 21, 2018 | September 15, 2025 |
| In The Box | Handset, Charger, USB Data Cable, Sim Ejector Tool, Quick Guide, Protective Case | |
| Design | ||
| Dimensions | 74 x 156.7 x 7.99 mm | |
| Weight | 169 g | |
| Display | ||
| Type | Color IPS LCD Screen (16M Colors) | Color AMOLED Screen (16M Colors) |
| Touch | Yes | Yes, 360 Hz Touch Sampling Rate |
| Size | 6.3 inches, 1080 x 2340 pixels | 6.57 inches, 1080 x 2412 pixels, 120 Hz |
| Aspect Ratio | 19.5:9 | 20:9 |
| PPI | ~ 409 PPI | ~ 402 PPI |
| Screen to Body Ratio | ~ 92.2% | |
| Glass Type | AGC DT-Star D+ | |
| Notch | Yes, Water Drop Notch | Yes, Punch Hole |
| Memory | ||
| RAM | 6 GB | 8 GB |
| Expandable RAM | Upto 8 GB Extra Virtual RAM | |
| Storage | 128 GB | 128 GB |
| Storage Type | UFS 2.2 | |
| Card Slot | Yes, upto 256 GB | |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | |
| 5G Bands | n1/n3/n5/n7/n8/n20/n28A/n28B/n66/n38/n40/n41/n77/n78 | |
| VoLTE | Yes | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | 802.11 a/b/g/n/ac, Wi-Fi 5 (802.11 ac), 802.11 a/b/g/n, WLAN (2.4 GHz | 5 GHz), WLAN Display, WLAN Tethering, 1 x 1 SOSO | |
| Bluetooth | Yes, v4.2 | Yes, v5.4, Support SBC, AAC, aptX, aptX HD, LDAC, LHDC |
| USB | Yes | Yes, USB-C v2.0 |
| USB Features | USB on-the-go, USB Charging | |
| IR Blaster | Yes | |
| Extra | ||
| GPS | yes with A-GPS, Glonass | Yes, with A-GPS, GLONASS, BDS, GALILEO, QZSS |
| Fingerprint Sensor | Yes, Rear | Yes, Side |
| Face Unlock | Yes | Yes |
| Sensors | Geomagnetic Induction, Ambient Light Induction, Proximity Sensor, Acceleration Sensor, Gravity Sensor, Gyroscope, Infrared Sensor, Step Recording Function, Facial Recognition Sensor | |
| 3.5mm Headphone Jack | Yes | No |
| AI Features | Smart Document (AI summaries, translations, rewriting), Smart Note (AI-enhanced note-taking), and high-quality scanning. Integrated Google Gemini delivers multimodal AI intelligence | |
| Water Resistance | Yes | |
| IP Rating | IP69+IP68+IP66 | |
| Dust Resistant | Yes | |
| Extra Features | 4300 mm² VC cooling system | |
| Camera | ||
| Rear Camera | 16 MP + 2 MP | 50 MP ƒ/1.8 (Wide Angle) Sensor: OV50D40, Sensor size: 1/2.88″, Single pixel size: 0.612 um, Aperture size: f/1.8, Focal length: 27 mm, Lens configuration: 5P, Supporting AF 2 MP Sensor: GC02M1-C24YK, Sensor size: 1/5″, Single pixel size: 1.75 um, Aperture size: f/2.4, Focal length: 22 mm, Lens configuration: 3P |
| Auto Focus | Yes, yes Phase Detection autofocus | Yes |
| Features | Digital Zoom, Auto Flash, Face detection, Touch to focus | |
| Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD, 720p |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 25 MP | 16 MP (Wide Angle) Sensor size: 1/3.09″, Single pixel size: 1.0 um, Aperture size: f/2.4, Focal length: 23 mm, Lens configuration: 4P Punch Hole |
| Front Video Recording | 1080p @ 30 fps FHD | |
| Technical | ||
| OS | Android v8.1 (Oreo) | Android v15 |
| Custom UI | ColorOS 15 | |
| Chipset | MediaTek Helio P60 | Mediatek Dimensity 6300 |
| CPU | 2 GHz, Octa Core Processor | 2.4 GHz, Octa Core Processor |
| Core Details | 2X Arm Cortex-A76@2.4GHz & 6X Arm Cortex-A55@2.0GHz | |
| GPU | Mali-G72 MP3 | Arm Mali-G57 MC2 |
| 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 | 3500 mAh, Li-Po Battery | 7000 mAh |
| Fast Charging | Yes, Fast | Yes, 80W SUPERVOOC Charging |
| Reverse Charging | Yes | |