Both iQOO Z9s (8GB RAM + 256GB) and Oppo F31 Pro 5G comes with same RAM. In terms of display resolution, iQOO Z9s (8GB RAM + 256GB) has better resolution of 2392 x 1080 than Oppo F31 Pro 5G which has resolution of 2372 x 1080. iQOO Z9s (8GB RAM + 256GB) has more internal memory than Oppo F31 Pro 5G
| Name | iQOO Z9s (8GB RAM + 256GB) | Oppo F31 Pro 5G |
| RAM | 8 GB | 8 GB |
|---|---|---|
| Display | 6.77 in | 6.57 in |
| Internal Memory | 256 GB | 128 GB |
| Battery | 5500 mAh | 7000 mAh |
| Camera | 50 MP + 2 MP Dual | 50 MP + 2 MP Dual |
| Price | Rs. 27999 | Rs. 25999 |
The launch Date of the first phone is August 21, 2024. The cost of iQOO Z9s (8GB RAM + 256GB) is Rs. 27999. The launch Date of the second phone is September 15, 2025. The cost of Oppo F31 Pro 5G is Rs. 25999.
Oppo F31 Pro 5G has screen size of 6.57 inches which falls short to iQOO Z9s (8GB RAM + 256GB)'s 6.77 inch screen. Both the phones have AMOLED Screen Type. iQOO's phone has display density of 393 PPI & OPPO's phone has only 390 PPI display density. In terms of screen to body ratio, OPPO's phone has better screen to body ratio of ~ 93% than iQOO's phone ~ 87.7%. Both phones have same aspect ratio of 20:9.
Both mobiles come with 8 GB RAM iQOO Z9s (8GB RAM + 256GB) has more Internal Memory (256 GB) than Oppo F31 Pro 5G (128 GB).
iQOO Z9s (8GB RAM + 256GB) has 50 MP + 2 MP Dual Rear Camera in comparison to Oppo F31 Pro 5G'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 iQOO Z9s (8GB RAM + 256GB)'s 16 MP Front Camera.
Both the phones has Android Operating System but the first one runs on version 14 and the second one on 15 version.
| Name | iQOO Z9s (8GB RAM + 256GB) | Oppo F31 Pro 5G |
| General | ||
| Country of Origin | India | |
| Model | I2403, Z9s | F31 Pro |
| 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 | 1.13 W/kg (Head) 0.85 W/kg (Body) | |
| Device Type | Smartphone | Smartphone |
| Release Date | August 21, 2024 | September 15, 2025 |
| In The Box | Documentation, Type-A to Type C Cable, USB Power Adapter, Eject Tool, Phone Case, Protective Film (applied) | 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 163.72 x 7.49 mm | 75 x 158.2 x 8 mm |
| Weight | 180 g | 191 g |
| Bezel less | No | |
| Colors | Titanium Matte, Onyx Green | Space Grey | Desert Gold |
| Display | ||
| Type | Color AMOLED Screen (1.07B) | Color AMOLED Screen (1.07 B) |
| Touch | Yes | Yes, 240 Hz Touch Sampling Rate |
| Size | 6.77 inches, 1080 x 2392 pixels, 120 Hz | 6.57 inches, 1080 x 2372 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 393 PPI | ~ 390 PPI |
| Screen to Body Ratio | ~ 87.7% | ~ 93% |
| Glass Type | DT-Star D+ | |
| Brightness | Normal brightness: 600nits (Typical), HBM: 1400nits (Typical) | |
| Features | 1800nits Brightness, 2160 Hz PWM Dimming, 100% P3 Color Gamut, 8000000:1 Contrast Ratio | 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 | Upto 8 GB Extra Virtual RAM |
| Storage | 256 GB | 128 GB |
| Storage Type | UFS 2.2 | UFS 3.1 |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| 5G Bands | n1/n3/n5/n8/n28B/n40/n77/n78 | 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 | Wi-Fi 6, 802.11 a/b/g/n/ac/ax, wifi direct | 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 |
| Bluetooth | Yes, v5.4, A2DP, LE, aptX HD | Yes, v5.4, 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 GPS, GLONASS, GALILEO, BeiDou, GNSS, QZSS | Single band: Beidou, GPS, GLONASS, Galileo, QZSS |
| Fingerprint Sensor | Yes, In Display | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Ambient Light Sensor, Proximity Sensor, E-Compass, Gyroscope Sensor | Proximity, Ambient light, Color temperature, E-compass, Accelerometer, Gyroscope |
| 3.5mm Headphone Jack | No | 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 | Yes |
| IP Rating | IP64 | IP69 + IP68 + IP66 |
| Dust Resistant | Yes | Yes |
| Extra Features | Ultra Gaming Mode , Dual Stereo Speakers, LPDDR4X RAM, Wet Touch Technology | |
| Camera | ||
| Rear Camera | 50 MP ƒ/1.8 (Wide Angle) 1/1.95", 0.8µm, PDAF, OIS 2 MP ƒ/2.2 (Ultra Wide) 120˚ | 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 |
| Camera Sensor | Sony IMX882 (50MP) | |
| OIS | Yes | |
| Auto Focus | Yes | Yes |
| Features | Photo, Portrait, Night, Video, 50 MP, Panorama, Ultra HD Document, Slo-mo, Time-lapse, Supermoon, Pro, Live photo | Photo, Video, Portrait, Night, Panorama, SLO-MO, DUAL-VIEW VIDEO, TIME-LAPSE, STICKER, HI-RES, Underwater, PRO, DOC SCANNER |
| Video Recording | 4K @ 30 fps UHD, 1080p | 4K @ 30 fps UHD, 1080p @ 60 fps FHD, 720p @ 60 fps HD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 16 MP ƒ/2.45 (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 v14 | Android v15 |
| Custom UI | Funtouch OS 14 | ColorOS 15 |
| Chipset | Mediatek Dimensity 7300 | mediatek Dimensity 7300 Energy |
| CPU | 2.5 GHz, Octa Core Processor | 2.5 GHz, Octa Core Processor |
| Core Details | 4x2.5 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55 | 4x2.5 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55 |
| GPU | Mali-G615 MC2 | Mali-G615 MC2 |
| Java | No | No |
| Browser | Yes | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | AAC, MIDI, OGG, FLAC, WMA, WAV, APE, MP3 | Yes |
| Video | MP4, 3GP, AVI | Yes |
| FM Radio | Yes | No |
| Audio Jack Type | USB Type-C | |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 5500 mAh, Li-ion Battery | 7000 mAh |
| Fast Charging | Yes, 44W Flash Charge | Yes, 80W SuperVOOC |
| Reverse Charging | Yes | Yes |