OPPO K12x vs Vivo Y31 5G
Quick Comparison
OPPO K12x has better RAM than Vivo Y31 5G. In terms of display resolution, Vivo Y31 5G has better resolution of 1608 x 720 than OPPO K12x which has resolution of 1604 x 720. Both have the same amount of internal memory.
| Name | OPPO K12x | Vivo Y31 5G |
| RAM | 6 GB | 4 GB |
|---|---|---|
| Display | 6.67 in | 6.68 in |
| Internal Memory | 128 GB | 128 GB |
| Battery | 5100 mAh | 6500 mAh |
| Camera | 32 MP + 2 MP Dual | 50 MP |
| Price | Rs. 12747 | Rs. 19999 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is July 29, 2024. The cost of OPPO K12x is Rs. 12747. The launch Date of the second phone is September 15, 2025. The cost of Vivo Y31 5G is Rs. 19999.
Display comparison
Vivo Y31 5G has larger screen size of 6.68 inches in comparison to OPPO K12x's 6.67 inch screen. OPPO K12x has LCD Screen type where as Vivo Y31 5G has IPS Screen type. Both have same 264 PPI. In terms of screen to body ratio, OPPO's phone has better screen to body ratio of ~ 89.9% than Vivo's phone ~ 84%. Both phones have same aspect ratio of 20:9.
Memory comparison
OPPO K12x's larger 6 GB RAM is better for playing games and all with respect to Vivo Y31 5G's lower 4 GB RAM. and both have same Internal Memory of 128 GB.
Camera comparison
Vivo Y31 5G's 50 MP Rear Camera outclasses OPPO K12x's 32 MP + 2 MP Dual Rear Camera in terms of resolution. Both of them stand equal in terms of Front Camera Resolution as both have 8 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 14 and the second one on 15 version.
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Full Comparison
| Name | OPPO K12x | Vivo Y31 5G |
| General | ||
| Country of Origin | India | India |
| Model | CPH2667, K12x | Y31 |
| Sim Type | Dual Sim, GSM+GSM (Hybrid Slot) | Dual Sim, GSM+GSM (Hybrid Slot) |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | July 29, 2024 | September 15, 2025 |
| In The Box | Phone x 1, USB Data Cable x 1, Charger x 1, SIM Ejector Tool x 1, Protective Case x 1, User manual x 1, Warranty card x 1 | USB Cable, SIM Tray Ejector, Phone Case, Screen Protector (Applied), Power Adapter |
| Design | ||
| Dimensions | 76 x 165.7 x 7.7 mm | 77 x 166.1 x 8.4 mm |
| Weight | 186 g | 209 g |
| Colors | Midnight Violet, Breeze Blue | Rose Red, Diamond Green |
| Display | ||
| Type | Color LCD Screen (16.7 M) | Color IPS Screen (16M Colors) |
| Touch | Yes, 120 Hz Touch Sampling Rate | Yes |
| Size | 6.67 inches, 720 x 1604 pixels, 120 Hz | 6.68 inches, 720 x 1608 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 264 PPI | ~ 264 PPI |
| Screen to Body Ratio | ~ 89.9% | ~ 84% |
| Glass Type | Guardian Glass (ion-strengthened) | |
| Brightness | 1000nts | |
| Features | 1000 nits, Eye Comfort Mode, User Scenario, Vivid mode: 83% NTSC, Natural Mode: 71% NTSC | |
| Notch | Yes, Punch Hole | Yes, Water Drop Notch |
| Memory | ||
| RAM | 6 GB | 4 GB |
| Expandable RAM | Upto 4 GB Extra Virtual RAM | |
| Storage | 128 GB | 128 GB |
| Storage Type | UFS 2.2 | eMMC 5.1 |
| Card Slot | Yes, (Hybrid Slot), upto 1 TB | Yes, (Hybrid Slot) |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| 5G Bands | n1/n3/n5/n8/n28B/n40/n41/n77/n78 | |
| VoLTE | Yes | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Wi-Fi 5 (802.11ac), 802.11a/b/g/n, WLAN 2.4G/WLAN 5G | |
| Bluetooth | Yes, v5.3, SBC, AAC, aptX, aptX HD, and LDAC | Yes, v4.2 |
| USB | Yes, USB-C v2.0 | Yes, USB-C v2.0 |
| USB Features | USB Tethering, USB on-the-go, USB Charging | USB Tethering, USB on-the-go, USB Charging |
| Extra | ||
| GPS | Yes, with BeiDou: B1I; GPS: L1; GLONASS: G1; Galileo: E1; QZSS: L1 | with A-GPS, BeiDou, GLONASS, Galileo |
| Fingerprint Sensor | Yes, Side | Yes, Side |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro, Proximity, Compass | Accelerometer, Proximity, Compass |
| 3.5mm Headphone Jack | Yes | No |
| AI Features | SMart AI, Ai Erase, Ai Photo Enhance, Circle to Search | |
| Water Resistance | Yes, 1.5 m upto 30 min | |
| Splash Resistant | Yes | |
| IP Rating | IP54 | IP68/IP69 |
| Dust Resistant | Yes | Yes |
| Extra Features | 360° Damage-Proof Armour Body, Splash Touch, SAR Value Head SAR: 1.176W/kg, Body SAR: 1.186W/kg, RAM Type: LPDDR4X@2133MHz, 2 × 16 bits | |
| Camera | ||
| Rear Camera | 32 MP ƒ/1.8 (Wide Angle) 2 MP ƒ/2.4 (Depth Sensor) | 50 MP ƒ/1.8 (Wide Angle) |
| Camera Sensor | GC32E2 Sensor | |
| Auto Focus | Yes | Yes |
| Features | Pro, Video, Photo, Portrait, Night, Hi-Res, Pano, Slo-Mo, Time-Lapse, Dual-View Video, Sticker, and Text Scanner | Ring- panorama |
| Video Recording | 1080p @ 60 fps FHD, 720p @ 30 fps HD | 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 8 MP ƒ/2.05 (Wide Angle) Punch Hole | 8 MP ƒ/2 (Wide Angle) |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v14 | Android v15 |
| Custom UI | ColorOS 14 | |
| Chipset | mediatek Dimensity 6300 | Qualcomm Snapdragon 4 Gen2 |
| CPU | 2.4 GHz, Octa Core Processor | 2.2 GHz, Octa Core Processor |
| Core Details | 2X Arm Cortex-A76@2.4GHz & 6X Arm Cortex-A55@2.0GHz | 2x Performance Cores@2.2GHz & 6x Efficiency Cores@2GHz |
| GPU | Arm Mali-G57 MC2 | Adreno 613 |
| Java | No | No |
| Browser | Yes | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | Yes | WAV, MP3, MP2, AMR-NB, MIDI, Vorbis, APE, FLAC, OGG, M4A |
| Video | Yes | MP4, 3GP, AVI, TS, MKV, FLV |
| FM Radio | No | No |
| Speaker Type | Dual Stereo | |
| Document Reader | Yes | |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 5100 mAh, Li-ion Battery | 6500 mAh |
| Fast Charging | Yes, 45W Fast charging | Yes, 44W |