Both Vivo V21 5G (8GB RAM + 256GB) and OPPO K13 comes with same RAM. Vivo V21 5G (8GB RAM + 256GB) has more internal memory than OPPO K13
| Name | Vivo V21 5G (8GB RAM + 256GB) | OPPO K13 |
| RAM | 8 GB | 8 GB |
|---|---|---|
| Display | 6.44 in | 6.67 in |
| Internal Memory | 256 GB | 128 GB |
| Battery | 4000 mAh | 7000 mAh |
| Camera | 64 MP + 8 MP + 2 MP Triple | 50 MP + 2 MP Dual |
| Price | Rs. 30990 | Rs. 22999 |
The launch Date of the first phone is April 27, 2021. The cost of Vivo V21 5G (8GB RAM + 256GB) is Rs. 30990. The launch Date of the second phone is April 21, 2025. The cost of OPPO K13 is Rs. 22999.
OPPO K13 has larger screen size of 6.67 inches in comparison to Vivo V21 5G (8GB RAM + 256GB)'s 6.44 inch screen. Vivo V21 5G (8GB RAM + 256GB) has Screen type where as OPPO K13 has AMOLED Screen type. Vivo's phone has display density of 409 PPI & OPPO's phone has only 395 PPI display density. In terms of screen to body ratio, OPPO's phone has better screen to body ratio of ~ 86.5% than Vivo's phone ~ 84.8%. Both mobiles have same aspect ratio of 20:9.
Both phones come with 8 GB RAM Vivo V21 5G (8GB RAM + 256GB) has more Internal Memory (256 GB) than OPPO K13 (128 GB).
Vivo V21 5G (8GB RAM + 256GB)'s 64 MP + 8 MP + 2 MP Triple Rear Camera outshines OPPO K13's 50 MP + 2 MP Dual Rear Camera in terms of resolution. Vivo V21 5G (8GB RAM + 256GB) will be better choice if you're looking to click lot of selfies as it has better 44 MP Front Camera in comparison to OPPO K13's 16 MP Front Camera.
Both the phones has Android Operating System but the first one runs on version 11 and the second one on 15 version.
| Name | Vivo V21 5G (8GB RAM + 256GB) | OPPO K13 |
| General | ||
| Model | V21 5G | CPH2729 |
| Sim Type | Dual Sim, GSM+GSM (Hybrid Slot) | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | April 27, 2021 | April 21, 2025 |
| In The Box | Handset, Charger, USB Data Cable, Sim Ejector Tool, Quick Guide, Protective Case | |
| Design | ||
| Dimensions | 73.9 x 159.7 x 7.3 mm | 76.1 x 163.2 x 8.5 mm |
| Weight | 176 g | 208 g |
| Bezel less | No | |
| Colors | Icy Purple, Prism Black | |
| Display | ||
| Type | Color E3 AMOLED (16M Colors) | Color AMOLED Screen (16.7 M) |
| Touch | Yes | Yes |
| Size | 6.44 inches, 1080 x 2400 pixels, 90 Hz | 6.67 inches, 1080 x 2400 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 409 PPI | ~ 395 PPI |
| Screen to Body Ratio | ~ 84.8% | ~ 86.5% |
| Glass Type | Schott Xensation UP Display Protection | |
| Brightness | Global Default Maximum Brightness: 600nit, Global Excitation Maximum Brightness: 1200nit | |
| HDR Support | Yes, HDR10+ | |
| Features | HDR10+ | Contrast Ratio: Static: 6000000:1, Dynamic: 12000000:1 |
| Notch | Yes, Water Drop Notch | Yes, Punch Hole |
| Curved Display | No | |
| Memory | ||
| RAM | 8 GB | 8 GB |
| Expandable RAM | Upto 8 GB Extra Virtual RAM | |
| Storage | 256 GB | 128 GB |
| Storage Type | UFS 2.2 | UFS 3.1 |
| Card Slot | Yes, (Hybrid Slot) | |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| VoLTE | Yes | 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, v5.1, A2DP, LE | Yes, v5.2 |
| USB | Yes, USB-C v2.0 | Yes, USB-C |
| USB Features | 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 | Yes, with A-GPS, BEIDOU, GALILEO, GLONASS | GPS, AGPS, BDS, GLONASS, GALILEO, QZSS |
| Fingerprint Sensor | Yes, In Display | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyroscope, Ambient Light Sensor, Proximity Sensor, E-compass | Accelerometer, Gyro, Proximity, Compass |
| 3.5mm Headphone Jack | No | No |
| AI Features | AI Clarity Enhancer, AI Unblur, AI Reflection Remover, AI Eraser, Screen Translator, AI Writer, AI Summary, AI Mobile | |
| 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 | 64 MP ƒ/1.79 (Wide Angle) 8 MP ƒ/2.2 (Ultra Wide) 2 MP ƒ/2.2 (Macro) Macro | 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 |
| OIS | Yes | |
| Auto Focus | Yes | Yes |
| Features | HDR, Panorama, Eye Autofocus, Night, Ultra-Wide Night, Ultra Stable Video, Art Portrait Video, Super Macro, Bokeh Portrait, Multi-Style Portrait | HDR, Panorama |
| Video Recording | 4K, 1080p | 4K @ 30 fps UHD, 1080p @ 60 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 44 MP ƒ/2 (Wide Angle) Autofocus, LED Flash | 16 MP ƒ/2.5 (Wide Angle) Punch Hole |
| Front Video Recording | 4K @ 30 fps UHD, 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v11 | Android v15 |
| Custom UI | ColorOS 15 | |
| Chipset | MediaTek Dimensity 800U | Qualcomm Snapdragon 6 Gen4 |
| CPU | 2.4 GHz, Octa Core Processor | 2.3 GHz, Octa Core Processor |
| Core Details | 2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55 | 1xCortex-A720s@2.3 GHz & 3xCortex-A720s@2.2 GHz & 4xCortex-A520s@1.8 GHz |
| Fabrication Node | 4nm | |
| GPU | Mali-G57 MC3 | Adreno |
| Java | No | No |
| Browser | Yes | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | WAV, MP3, MP2, MIDI, Vorbis, APE, FLAC | MP3, AMR, APE, OGG, FLAC, WAV, MIDI, WMA |
| Video | MP4, 3GP, AVI, FLV, MKV | AVI, 3GP, MP4, WMV, MKV, MOV, ASF, FLV |
| FM Radio | No | No |
| Speaker Type | Dual Stereo | |
| Audio Features | An Immersive Surround Sound Experience | |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 4000 mAh, Li-Po Battery | 7000 mAh, Graphite Battery |
| Fast Charging | Yes, 33W Fast Charging | Yes, 80W |
| Video Playback Time | 15 hours | |
| Music Playback Time | 32 hours | |