Vivo Y31 5G (6GB RAM + 128GB) vs Oppo K13


Quick Comparison


Oppo K13 has better RAM than Vivo Y31 5G (6GB RAM + 128GB). In terms of display resolution, Oppo K13 has better resolution of 2400 x 1080 than Vivo Y31 5G (6GB RAM + 128GB) which has resolution of 1620 x 720. Both have the same amount of internal memory.

NameVivo Y31 5G (6GB RAM + 128GB)Oppo K13
RAM6 GB8 GB
Display6.68 in6.67 in
Internal Memory128 GB128 GB
Battery6500 mAh7000 mAh
Camera50 MP + 0.08 MP Dual50 MP + 2 MP Dual
PriceRs. 16499Rs. 16799

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Detailed Comparison


Price And Launch

The launch Date of the first phone is September 14, 2025. The cost of Vivo Y31 5G (6GB RAM + 128GB) is Rs. 16499. The launch Date of the second phone is April 21, 2025. The cost of Oppo K13 is Rs. 16799.

Display comparison

Oppo K13 has screen size of 6.67 inches which falls short to Vivo Y31 5G (6GB RAM + 128GB)'s 6.68 inch screen. Vivo Y31 5G (6GB RAM + 128GB) has IPS Screen type where as Oppo K13 has AMOLED 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 mobiles 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 (6GB RAM + 128GB)'s lower 6 GB RAM. and both have same Internal Memory of 128 GB.

Camera comparison

They both have the same 50 MP + 0.08 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 (6GB RAM + 128GB)'s 8 MP Front Camera.

Technical comparison

Both the phones run on Android Operating System Version 15.

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Full Comparison


NameVivo Y31 5G (6GB RAM + 128GB)Oppo K13
General
Country of OriginIndia
ModelY31CPH2729
Sim TypeDual Sim, GSM+GSM (Hybrid Slot)Dual Sim, GSM+GSM
Dual SimYesYes
Sim SizeNano+Nano SIMNano+Nano SIM
Device TypeSmartphoneSmartphone
Release DateSeptember 14, 2025April 21, 2025
In The BoxUSB Cable, SIM Tray Ejector, Phone Case, Screen Protector (Applied), Power AdapterHandset, Charger, USB Data Cable, Sim Ejector Tool, Quick Guide, Protective Case
Design
Dimensions76.1 x 163.2 x 8.5 mm
Weight208 g
Bezel lessNo
ColorsIcy Purple, Prism Black
Display
TypeColor IPS Screen (16M Colors)Color AMOLED Screen (16.7 M)
TouchYesYes
Size6.68 inches, 720 x 1620 pixels, 120 Hz6.67 inches, 1080 x 2400 pixels, 120 Hz
Aspect Ratio20:920:9
PPI~ 266 PPI~ 395 PPI
Screen to Body Ratio~ 90.7%~ 86.5%
Brightness1000ntsGlobal Default Maximum Brightness: 600nit, Global Excitation Maximum Brightness: 1200nit
FeaturesContrast Ratio: Static: 6000000:1, Dynamic: 12000000:1
NotchYes, Water Drop NotchYes, Punch Hole
Curved DisplayNo
Memory
RAM6 GB8 GB
Expandable RAMUpto 6 GB Extra Virtual RAMUpto 8 GB Extra Virtual RAM
Storage128 GB128 GB
Storage TypeUFS 3.1
Connectivity
GPRSYesYes
EDGEYesYes
3GYesYes
4GYesYes
5GYesYes
VoLTEYes, Dual Stand-ByYes, Dual Stand-By
WifiYes, with wifi-hotspotYes, with wifi-hotspot
Wifi VersionWi-Fi 6 (802.11ax), Wi-Fi 5 (802.11ac), 802.11a/b/g/n
BluetoothYes, v5.4Yes, v5.2
USBYes, USB-C v2.0Yes, USB-C
USB FeaturesUSB Tethering, USB on-the-go, USB ChargingUSB Tethering, USB on-the-go, USB Charging
IR BlasterYes
Performance
AnTuTu Score711,176 (Total) (v10)
232,955 (CPU)
180,841 (GPU)
133,763 (Memory)
163,617 (UX)
AnTuTu Storage Score93,365
1912 MB/s (Read), 1005 MB/s (Write)
Geekbench Score2,873 (Multi Core) (v6)
986 (Single Core)
2,933 (OpenCL)
3,953 (Vulkan)
3DMark Score952 (Wild Life Extreme) (5.71 FPS)
Extra
GPSwith A-GPS, BeiDou, GLONASS, GalileoGPS, AGPS, BDS, GLONASS, GALILEO, QZSS
Fingerprint SensorYes, SideYes, In Display
Face UnlockYesYes
SensorsAccelerometer, Ambient Light Sensor, Proximity Sensor, E-compass, Virtual GyroscopeAccelerometer, Gyro, Proximity, Compass
3.5mm Headphone JackNo
AI FeaturesSMart AI, Ai Erase, Ai Photo Enhance, Circle to SearchAI Clarity Enhancer, AI Unblur, AI Reflection Remover, AI Eraser, Screen Translator, AI Writer, AI Summary, AI Mobile
Splash ResistantYes
IP RatingIP65
Dust ResistantYes
Extra Features60cm² Graphite + 57cm² Ultra-large VC, GOAT Durablity 50+ Quality Checks
Camera
Rear Camera50 MP (Main)
0.08 MP
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
Auto FocusYesYes
FeaturesHDR, Panorama
Video Recording1080p @ 30 fps FHD4K @ 30 fps UHD, 1080p @ 60 fps FHD
FlashYes, LEDYes, LED
Front Camera8 MP ƒ/216 MP ƒ/2.5 (Wide Angle)
Punch Hole
Front Video Recording1080p @ 30 fps FHD
Technical
OSAndroid v15Android v15
Custom UIColorOS 15
ChipsetMediaTek Dimensity 6300Qualcomm Snapdragon 6 Gen4
CPUOcta Core Processor2.3 GHz, Octa Core Processor
Core Details1xCortex-A720s@2.3 GHz & 3xCortex-A720s@2.2 GHz & 4xCortex-A520s@1.8 GHz
Fabrication Node4nm
GPUAdreno
JavaNoNo
BrowserYesYes
Multimedia
EmailYesYes
MusicWAV, MP3, MP2, AMR-NB, MIDI, Vorbis, APE, FLAC, OGG, M4AMP3, AMR, APE, OGG, FLAC, WAV, MIDI, WMA
VideoMP4, 3GP, AVI, TS, MKV, FLVAVI, 3GP, MP4, WMV, MKV, MOV, ASF, FLV
FM RadioYesNo
Speaker TypeDual StereoDual Stereo
Audio FeaturesAn Immersive Surround Sound Experience
Document ReaderYes
Battery
TypeNon-Removable BatteryNon-Removable Battery
Size6500 mAh7000 mAh, Graphite Battery
Fast ChargingYes, 44WYes, 80W
Video Playback Time15 hours
Music Playback Time32 hours

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