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Scan for outdated or missing drivers - takes under a minuteDriver Scan →Repair Windows errors before they cause bigger problemsFix Now →Fix the driver behind crashes, sound loss and screen glitchesFind Drivers →The OPPO K15 Pro has the stronger listed figures for refresh rate, battery capacity, charging and maximum storage, while the vivo S2 5G has the larger, higher-resolution display and a listed 32MP selfie camera. There is no reliable price difference to calculate: the available listing shows a changing vivo price and no OPPO store price. These are specification comparisons, not results from head-to-head testing.
OPPO K15 Pro vs vivo S2 5G at a glance
The official specifications come from different markets: OPPO’s page is for China, and vivo’s is for India. Configurations, network bands, accessories, warranty and local pricing may therefore differ by region. The comparison below keeps manufacturer claims distinct from details reported by a third-party comparison listing.
| Specification | OPPO K15 Pro | vivo S2 5G |
|---|---|---|
| Market on official product page | China | India |
| Display | 6.59 inches; 2760 × 1256; up to 144Hz, according to OPPO’s China specifications page | 17.35cm 1.5K POLED; 120Hz, according to vivo’s India product page |
| Processor | MediaTek Dimensity 8500 SUPER, per OPPO | MediaTek Dimensity 7360-Turbo, per vivo |
| Memory and storage | 12GB + 256GB or 12GB + 512GB, per OPPO | 8GB RAM and 128GB storage, as listed by 91mobiles; confirm the exact retail variant against vivo’s India listing |
| Battery | 7500mAh typical capacity; 7265mAh rated capacity, per OPPO | 7050mAh, per vivo |
| Charging | Up to 80W, per OPPO | 44W, as listed by 91mobiles; confirm for the exact India retail variant |
| Rear cameras | Not stated in the cited OPPO specifications | 50MP primary and 2MP depth, as listed by 91mobiles |
| Front camera | Not stated in the cited OPPO specifications | 32MP, per vivo’s India product page |
| Software information | ColorOS 16.0, per OPPO | vivo says the phone receives three generations of OS upgrades and five years of security updates |
Which phone has the better display?
The vivo S2 5G has the larger display by the published measurements: vivo lists 17.35cm, while OPPO lists 6.59 inches. Vivo describes its panel as 1.5K POLED; OPPO gives a precise 2760 × 1256 resolution. Those descriptions are not directly equivalent, so the available figures do not establish a precise resolution winner.
OPPO lists a maximum refresh rate of 144Hz versus 120Hz for vivo. A higher supported refresh rate can make compatible motion appear smoother, but these specification figures alone do not establish how consistently either phone sustains that rate or how the displays look in everyday use.
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#1 Best Overall
- 6.32 inches, AMOLED, 1B colors, 1216 x 2640 pixels
- 512GB Storage, 12GB RAM
- Android 16, ColorOS 16, Mediatek Dimensity 8450 (4 nm), Octa-core (1x3.25 GHz Cortex-A725 & 3x3.0 GHz Cortex-A725 & 4x2.1 GHz Cortex-A725)
- Rear: 200 MP, f/1.8, 24mm (wide), 1/1.56", 0.5µm, PDAF, OIS, 50 MP, f/2.8, 85mm (telephoto), PDAF, OIS, 3.5x optical zoom, 50 MP, f/2.0, 16mm, 116˚ (ultrawide), AF, Front: 50 MP, f/2.0, 18mm, 100˚ (ultrawide), AF
Processor, memory and storage
OPPO lists a Dimensity 8500 SUPER, while vivo lists a Dimensity 7360-Turbo. That places OPPO ahead on the stated processor tier, but the cited pages do not provide a comparable independent test. It would be misleading to turn the chipset names into a claim that one phone is faster in real-world use.
OPPO’s listed configurations are 12GB RAM with either 256GB or 512GB storage. The third-party comparison lists the vivo as 8GB RAM and 128GB storage; because the official page and third-party variant details may not match, verify the specific India retail configuration before buying. Vivo publishes a 970,000 AnTuTu score, but its product page does not give a dated test protocol in the accessible information. It is a vendor-published figure, not an independent result directly comparable with an OPPO score.
Rank #2
- GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA 3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 4G bandsLTE band 1(2100), 2(1900), 3(1800), 4 (1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 34 (2000), 38(2600), 39(1900), 40(2300), 41(2500)
- - Active noise cancellation with dedicated mic - Fingerprint (rear-mounted) - Fast battery charging: VOOC Flash Charge 5V/4A
- Package contents: 1*Phone;1*USB cable;1*Charger;1*Earphone;1*
Cameras: what the listed specifications show
Vivo’s India page specifies a 50MP Sony main camera and a 32MP front camera. 91mobiles lists an additional 2MP depth camera. The cited OPPO specification page does not provide corresponding camera details, so the evidence does not support a complete hardware comparison or a verdict on photo quality. Camera megapixels and component labels also do not establish which phone takes better pictures; that requires comparable photo samples or testing.
Battery and charging
OPPO lists a 7500mAh typical battery capacity and a 7265mAh rated capacity; vivo lists 7050mAh. These are stated capacities, not measured endurance results. Battery life depends on usage and other conditions, and the available comparison page contains an incomplete battery-life statement rather than a usable test result.
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- SIM2 : Supported SIM card type : nano-SIM card * eSIM support depends on carriers SIM card 1: 2G: GSM, 850/900/1800/1900MHz 3G: UMTS (WCDMA) bands 1/2/4/5/6/8/19 4G: TD-LTE bands 38/39/40/41 4G: LTE FDD bands 1/2/3/4/5/7/8/12/17/18/19/20/26/28/32/66 (UL: 1710MHz-1780MHz, DL: 2110MHz- 2180MHz) 5G SA: 1/3/5/7/8/20/28/38/40/41/78 5G NSA: n77/78/38/40/41/1/3/5/7/8/20/28 BlockA&BlockB/66 (UL: 1710MHz-1780MHz, DL: 2110MHz-2180MHz) SIM card 2 2G: GSM, 850/900/1800/1900MHz 3G: UMTS (WCDMA) bands 1/2/4/5/6/8/19 4G: TD-LTE bands 38/39/40/41 4G: LTE FDD bands 1/2/3/4/5/7/8/12/17/18/19/20/26/28/32/66 (UL: 1710MHz-1780MHz, DL: 2110MHz- 2180MHz)
- 12GB Ram, 256GB storage , Snapdragon 870
- 6.5 inch Amoled Display , 2400X1080, 90Hz refresh rate
- Rear camera 50MP main camera: f/1.8; FOV 84°; 6P lens; AF supported; closed loop focus motor; OIS supported 16MP ultra-wide camera: f/2.2; FOV 45°; 5P lens; FF 13MP telephoto camera; f/2.4; FOV 45°; AF supported 2MP macro camera: f/2.4; FOV 89°; 3P lens; FF Front camera 32MP (f/2.4); FOV 80°; 5P lens; AF not supported
- 4500 Mah Battery, Fast charge SuperVOOC 2.0, SuperVOOC, VOOC 3.0, PD (9V/2A), QC (9V/2A)
OPPO advertises charging up to 80W. The 44W figure for vivo comes from 91mobiles, so check the exact regional retail variant and included charger before treating it as a purchase specification. Charging wattage alone does not show how long a full charge takes.
Software support and regional details
OPPO lists ColorOS 16.0 on its China specification page. Vivo’s India product page promises three generations of OS upgrades and five years of security updates. These are claims for the respective official-market pages; confirm the policy and software version for the device sold in your country before purchasing.
Rank #4
- For USA Buyers: This Smartphone is not compatible/will not work with any CDMA Networks including: VERIZON, SPRINT, US CELLULAR. Please check with your network provider for 3G or 4G/LTE compatibility check before you purchase.
- Dual-SIM, Network Compatibility, SIM CARD 1 & 2 : [2G : GSM 850 / 900 / 1800 / 1900 and/or 3G : HSDPA 850 / 900 / 2100 and/or 4G : LTE 850(B5) / 900(B8) / 1800(B3) / 2100(B1) / 2300(B40) / 2500(B41) / 2600(B7) / 2600(B38) and/or 5G : 1/41/77/78SA/NSA]
- 6.43 inches, Super AMOLED, 1080 x 2400 pixels, Corning Gorilla Glass 5
- 128GB Storage, 8GB RAM, microSDXC (dedicated slot)
- Android 11, Mediatek MT6853 Dimensity 800U (7 nm), Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
Since the official pages refer to China and India respectively, do not assume that a phone imported from one market will have the same supported network bands, warranty coverage, accessories or software configuration as a local model.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Price difference and availability
A dependable price difference cannot be calculated from the available listing. 91mobiles showed a vivo S2 5G Amazon offer of ₹41,989 when its page was opened, while a search-result capture showed ₹39,999. These are volatile displayed prices, not a guaranteed or stable offer. The same comparison labels OPPO K15 Pro as upcoming and provides no store price, even though OPPO has an official specification page. Check current local stock and price for the exact variants before comparing totals; the cited figures do not establish what either phone costs in another market.
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Which one should you choose?
- Consider the OPPO K15 Pro if its China-market configuration is available and your priorities are the listed 144Hz maximum refresh rate, larger stated battery capacity, up-to-80W charging or up to 512GB storage.
- Consider the vivo S2 5G if you prefer its larger 1.5K POLED display, want the listed 32MP front camera, or value the OS and security-update commitments on vivo’s India page.
- Wait for more evidence if your decision depends on actual speed, camera quality, battery endurance, local warranty or value. The cited material does not establish a direct test winner, and the available price and variant details need verification.
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.

