Oppo K13 vs Vivo Y31 5G
Quick Comparison
Oppo K13 has better RAM than Vivo Y31 5G. In terms of display resolution, Oppo K13 has better resolution of 2400 x 1080 than Vivo Y31 5G which has resolution of 1620 x 720. Both have the same amount of internal memory.
| Name | Oppo K13 | Vivo Y31 5G |
| RAM | 8 GB | 4 GB |
|---|---|---|
| Display | 6.67 in | 6.68 in |
| Internal Memory | 128 GB | 128 GB |
| Battery | 7000 mAh | 6500 mAh |
| Camera | 50 MP + 2 MP Dual | 50 MP + 0.08 MP Dual |
| Price | Rs. 17499 | Rs. 14999 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is April 21, 2025. The cost of Oppo K13 is Rs. 17499. The launch Date of the second phone is September 14, 2025. The cost of Vivo Y31 5G is Rs. 14999.
Display comparison
Oppo K13 has screen size of 6.67 inches which falls short to Vivo Y31 5G's 6.68 inch screen. Oppo K13 has AMOLED Screen type where as Vivo Y31 5G has IPS Screen type. OPPO's phone has display density of 395 PPI & Vivo's phone has only 266 PPI display density. In terms of screen to body ratio, Vivo's phone has better screen to body ratio of ~ 90.7% than OPPO's phone ~ 86.5%. Both phones have same aspect ratio of 20:9.
Memory comparison
Oppo K13's larger 8 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
They both have the same 50 MP + 2 MP Dual Rear Camera. Oppo K13 will be better choice if you're looking to click lot of selfies as it has better 16 MP Front Camera in comparison to Vivo Y31 5G's 8 MP Front Camera.
Technical comparison
Both the phones run on Android Operating System Version 15.
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Full Comparison
| Name | Oppo K13 | Vivo Y31 5G |
| General | ||
| Country of Origin | India | |
| Model | CPH2729 | Y31 |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM (Hybrid Slot) |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | April 21, 2025 | September 14, 2025 |
| In The Box | Handset, Charger, USB Data Cable, Sim Ejector Tool, Quick Guide, Protective Case | USB Cable, SIM Tray Ejector, Phone Case, Screen Protector (Applied), Power Adapter |
| Design | ||
| Dimensions | 76.1 x 163.2 x 8.5 mm | |
| Weight | 208 g | |
| Bezel less | No | |
| Colors | Icy Purple, Prism Black | |
| Display | ||
| Type | Color AMOLED Screen (16.7 M) | Color IPS Screen (16M Colors) |
| Touch | Yes | Yes |
| Size | 6.67 inches, 1080 x 2400 pixels, 120 Hz | 6.68 inches, 720 x 1620 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 395 PPI | ~ 266 PPI |
| Screen to Body Ratio | ~ 86.5% | ~ 90.7% |
| Brightness | Global Default Maximum Brightness: 600nit, Global Excitation Maximum Brightness: 1200nit | 1000nts |
| Features | Contrast Ratio: Static: 6000000:1, Dynamic: 12000000:1 | |
| Notch | Yes, Punch Hole | Yes, Water Drop Notch |
| Curved Display | No | |
| Memory | ||
| RAM | 8 GB | 4 GB |
| Expandable RAM | Upto 8 GB Extra Virtual RAM | Upto 4 GB Extra Virtual RAM |
| Storage | 128 GB | 128 GB |
| Storage Type | UFS 3.1 | |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Wi-Fi 6 (802.11ax), Wi-Fi 5 (802.11ac), 802.11a/b/g/n | |
| Bluetooth | Yes, v5.2 | Yes, v5.4 |
| USB | Yes, USB-C | Yes, USB-C v2.0 |
| USB Features | USB Tethering, USB on-the-go, USB Charging | USB Tethering, USB on-the-go, USB Charging |
| IR Blaster | Yes | |
| Performance | ||
| AnTuTu Score | 711,176 (Total) (v10) 232,955 (CPU) 180,841 (GPU) 133,763 (Memory) 163,617 (UX) | |
| AnTuTu Storage Score | 93,365 1912 MB/s (Read), 1005 MB/s (Write) | |
| Geekbench Score | 2,873 (Multi Core) (v6) 986 (Single Core) 2,933 (OpenCL) 3,953 (Vulkan) | |
| 3DMark Score | 952 (Wild Life Extreme) (5.71 FPS) | |
| Extra | ||
| GPS | GPS, AGPS, BDS, GLONASS, GALILEO, QZSS | with A-GPS, BeiDou, GLONASS, Galileo |
| Fingerprint Sensor | Yes, In Display | Yes, Side |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro, Proximity, Compass | Accelerometer, Ambient Light Sensor, Proximity Sensor, E-compass, Virtual Gyroscope |
| 3.5mm Headphone Jack | No | |
| AI Features | AI Clarity Enhancer, AI Unblur, AI Reflection Remover, AI Eraser, Screen Translator, AI Writer, AI Summary, AI Mobile | SMart AI, Ai Erase, Ai Photo Enhance, Circle to Search |
| Splash Resistant | Yes | |
| IP Rating | IP65 | |
| Dust Resistant | Yes | |
| Extra Features | 60cm² Graphite + 57cm² Ultra-large VC, GOAT Durablity 50+ Quality Checks | |
| Camera | ||
| Rear Camera | 50 MP ƒ/1.8 (Wide Angle) OV50D40 Sensor, 1/2.88 inch Photosensitive Area, 0.612um Single Pixel, FOV: 75.5 Degree, 5P Lens 2 MP ƒ/2.4 (Depth Sensor) OV02B1B Sensor, 1/5.00 inch Photosensitive Area, 1.75um Single Pixel, FOV: 89.1 Degree, 3P Lens | 50 MP (Main) 0.08 MP |
| Auto Focus | Yes | Yes |
| Features | HDR, Panorama | |
| Video Recording | 4K @ 30 fps UHD, 1080p @ 60 fps FHD | 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 16 MP ƒ/2.5 (Wide Angle) Punch Hole | 8 MP ƒ/2 |
| Front Video Recording | 1080p @ 30 fps FHD | |
| Technical | ||
| OS | Android v15 | Android v15 |
| Custom UI | ColorOS 15 | |
| Chipset | Qualcomm Snapdragon 6 Gen4 | MediaTek Dimensity 6300 |
| CPU | 2.3 GHz, Octa Core Processor | Octa Core Processor |
| Core Details | 1xCortex-A720s@2.3 GHz & 3xCortex-A720s@2.2 GHz & 4xCortex-A520s@1.8 GHz | |
| Fabrication Node | 4nm | |
| GPU | Adreno | |
| Java | No | No |
| Browser | Yes | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | MP3, AMR, APE, OGG, FLAC, WAV, MIDI, WMA | WAV, MP3, MP2, AMR-NB, MIDI, Vorbis, APE, FLAC, OGG, M4A |
| Video | AVI, 3GP, MP4, WMV, MKV, MOV, ASF, FLV | MP4, 3GP, AVI, TS, MKV, FLV |
| FM Radio | No | Yes |
| Speaker Type | Dual Stereo | Dual Stereo |
| Audio Features | An Immersive Surround Sound Experience | |
| Document Reader | Yes | |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 7000 mAh, Graphite Battery | 6500 mAh |
| Fast Charging | Yes, 80W | Yes, 44W |
| Video Playback Time | 15 hours | |
| Music Playback Time | 32 hours | |