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On paper, the OPPO K14 5G and vivo Y21 5G share the MediaTek Dimensity 6300, but the OPPO lists a larger battery, slightly faster maximum charging and more storage choices. There is no defensible current price winner from the available figures: OPPO’s published prices are March 2026 launch prices, while vivo’s store showed an MRP for one unavailable configuration when checked in 2026.
Price difference: the available figures are not like-for-like
OPPO announced India launch prices of ₹17,999 for 6GB+128GB, ₹19,999 for 6GB+256GB and ₹21,999 for 8GB+256GB, with sales beginning on 20 March 2026. These are dated launch prices, not confirmed prices today. OPPO’s March 2026 launch announcement does not establish what each version currently sells for.
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The vivo India store page displayed an MRP of ₹32,999 for the selected Y21 5G 4GB+128GB Champagne Gold configuration when accessed in 2026, but marked that item unavailable. An MRP for an unavailable 4GB model is not comparable to OPPO’s launch prices for different memory configurations, and it does not show a live selling price.
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To work out a real price difference, check both brands’ current selling prices on the same date and compare the exact RAM and storage configurations. Until then, the figures above are useful as historical and store-page context, not as evidence that one phone is currently cheaper.
#1 Best Overall
- 6.59 inches, AMOLED, 1B colors, 1256 x 2760 pixels
- 512GB Storage, 12GB RAM
- Android 15, ColorOS 15, Mediatek Dimensity 8350 (4 nm), Octa-core (1x3.35 GHz Cortex-A715 & 3x3.20 GHz Cortex-A715 & 4x2.20 GHz Cortex-A510)
- Rear: 50 MP, f/1.8, 26mm (wide), PDAF, OIS, 50 MP, f/2.8, 80mm (telephoto), PDAF, OIS, 3.5x optical zoom, 8 MP, f/2.2, 15mm, 116˚ (ultrawide), 1/4.0", 1.12µm, AF, Front: 50 MP, f/2.0, 21mm (wide), AF
OPPO K14 5G vs vivo Y21 5G specifications
| Specification | OPPO K14 5G | vivo Y21 5G |
|---|---|---|
| Processor | MediaTek Dimensity 6300 | MediaTek Dimensity 6300 |
| Display | 17.15cm LCD; HD+ 1570 × 720; maximum 120Hz | 17.13cm LCD; 1600 × 720; 120Hz |
| Battery and charging | 7000mAh typical, 6830mAh rated; maximum 45W SUPERVOOC | 6500mAh typical; 44W charging |
| Rear cameras | 50MP + 2MP | 50MP + 0.08MP |
| Front camera | 8MP | 5MP |
| Listed RAM and storage options | 6GB+128GB, 6GB+256GB, 8GB+256GB | 4GB+128GB, 6GB+128GB, 8GB+128GB |
| Software listed on the manufacturer page | ColorOS 15.0 | OriginOS 6 |
The figures above come from the OPPO India specifications page and vivo India product specifications. Software versions are what those pages list; software can change with updates and regional variants.
Shared chipset, different configurations
Both manufacturers list the Dimensity 6300, so the phones share a processor platform on paper. That alone does not establish identical performance, heat management, network behavior or overall software experience. RAM and storage options also differ: OPPO lists a 256GB option, while vivo’s listed configurations top out at 128GB. If storage matters, compare the exact version available to you rather than assuming every configuration is sold in every market.
Rank #2
- 6.57 inches, AMOLED, 1B colors, 1080 x 2372 pixels
- 256GB Storage, 8GB RAM, microSDXC
- Android 15, ColorOS 15, Qualcomm SM6450 Snapdragon 6 Gen 1 (4 nm), Octa-core (4x2.2 GHz Cortex-A78 & 4x1.8 GHz Cortex-A55)
- Rear: 50 MP, f/1.8, 26mm (wide), 1/1.95", 0.8µm, PDAF, OIS, 8 MP, f/2.2, 16mm, 112˚ (ultrawide), 1/4.0", 1.12µm, AF, 2 MP, f/2.4, (macro), Front: 32 MP, f/2.0, 22mm (wide), 1/2.74", 0.8µm, AF
- 158.1 x 75 x 7.7 mm (6.22 x 2.95 x 0.30 in)
Display: similar size and refresh rate
Both are large LCD displays with a 120Hz refresh rate. OPPO specifies a 17.15cm screen at HD+ 1570 × 720 resolution; vivo specifies a 17.13cm screen at 1600 × 720. OPPO’s official specification is HD+, not FHD+. The small difference in listed diagonal and pixel dimensions is not enough by itself to determine which screen looks better in use.
Battery and charging: OPPO has the higher listed figures
OPPO lists a 7000mAh typical capacity (6830mAh rated) and maximum 45W SUPERVOOC charging. vivo lists a 6500mAh typical battery and 44W charging. These are manufacturer specifications, not results from a head-to-head battery or charging test.
Rank #3
- 6.57 inches, AMOLED, 1B colors, 1080 x 2372 pixels
- 256GB Storage, 8GB RAM, microSDXC
- Android 15, ColorOS 15, Qualcomm SM6450 Snapdragon 6 Gen 1 (4 nm), Octa-core (4x2.2 GHz Cortex-A78 & 4x1.8 GHz Cortex-A55)
- Rear: 50 MP, f/1.8, 26mm (wide), 1/1.95", 0.8µm, PDAF, OIS, 8 MP, f/2.2, 16mm, 112˚ (ultrawide), 1/4.0", 1.12µm, AF, 2 MP, f/2.4, (macro), Front: 32 MP, f/2.0, 22mm (wide), 1/2.74", 0.8µm, AF
- 158.1 x 75 x 7.7 mm (6.22 x 2.95 x 0.30 in)
OPPO’s March 2026 announcement also gives scenario estimates: up to 738.8 hours of standby, 22.5 hours of voice calls, 21.7 hours of WhatsApp voice calls, 18.9 hours of YouTube playback, 17.4 hours of Maps navigation and 13 hours of WhatsApp video calls. These are OPPO’s stated figures, not independent measurements, and should not be treated as a direct comparison with vivo.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Camera hardware: compare the listed parts, not image quality
OPPO lists a 50MP main rear camera with a 2MP secondary camera and an 8MP front camera. vivo lists a 50MP rear camera with a 0.08MP secondary camera and a 5MP front camera. Megapixel counts and camera numbers do not show how well either phone takes photos; no comparative camera testing is established here, so the specifications alone do not justify naming a camera winner.
Quick Recap
Best Value
![Case Compatible for Oppo K14 5G Phone Case Cover [with 1* Tempered Glass Screen Protector] Hybrid Case[360°Ring Support, Magnetic] CX-22-LAN](https://m.media-amazon.com/images/I/41qCgJJxPDL._SL160_.jpg)
- [360-degree rotatable ring mount] with multi-angle support, it makes watching videos and films both convenient and comfortable, offering an enviable viewing experience.
- 3D multi-directional shape change, depending on different light and angle
- PC hard back panel + soft silicone frame + four corners Shock Airbags
- The frosted surface prevents most fingerprints and the 3D design is stylish
- The ring mount features a magnetic ring, allowing you to use it in your car or for other magnetic applications
Rank #4
![Case Compatible for Oppo K14 5G Phone Case Cover [with 1* Tempered Glass Screen Protector] Hybrid Case[360°Ring Support, Magnetic] CX-27-HEI](https://m.media-amazon.com/images/I/41QMm+HIeML._SL160_.jpg)
- [360-degree rotatable ring mount] with multi-angle support, it makes watching videos and films both convenient and comfortable, offering an enviable viewing experience.
- 3D multi-directional shape change, depending on different light and angle
- PC hard back panel + soft silicone frame + four corners Shock Airbags
- The frosted surface prevents most fingerprints and the 3D design is stylish
- The ring mount features a magnetic ring, allowing you to use it in your car or for other magnetic applications
Which one should you choose?
- Consider the OPPO K14 5G if its current price works for you and you value the larger listed battery, marginally higher maximum charging rate, 256GB storage choices or higher listed front-camera resolution.
- Consider the vivo Y21 5G if its exact configuration is available at a better current price for you, or if the 4GB, 6GB or 8GB RAM options with 128GB storage suit your needs.
- For either phone, verify the live price, stock and configuration before deciding. The published figures do not establish current same-configuration value, and the shared processor does not prove identical day-to-day performance.
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
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