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The OPPO K13 5G launched at a lower price than the base OPPO F31 5G, while both offer 7,000mAh-class batteries and up to 80W SUPERVOOC charging. At their respective India launches, the F31 cost ₹5,000 more at either matching storage tier. That is a launch-price comparison—not a verified current price gap—and the published specifications alone do not establish a universal performance or camera winner.
OPPO K13 vs F31: specification comparison
This comparison covers the base OPPO K13 5G and base OPPO F31 5G for India, not the F31 Pro or F31 Pro+. OPPO identifies the F31 5G as model CPH2781. The table distinguishes official manufacturer specifications from display figures listed by a third-party comparison page.
| Specification | OPPO K13 5G | OPPO F31 5G |
|---|---|---|
| India announcement | 21 April 2025; OPPO launch announcement | 15 September 2025; base model sale followed on 27 September; OPPO F31 series announcement |
| Processor | Qualcomm Snapdragon 6 Gen 4, per OPPO | MediaTek Dimensity 6300, per OPPO’s F31 specifications |
| Display | 6.67-inch FHD+ AMOLED, 1080 × 2400, 120Hz, per OPPO’s launch announcement | 6.57-inch FHD+ AMOLED, 1080 × 2372, 120Hz, as listed by a third-party comparison page |
| Battery | 7,000mAh graphite battery, per OPPO’s launch announcement | 7,000mAh typical; 6,830mAh rated, per OPPO |
| Wired charging | 80W SUPERVOOC, per OPPO | Up to 80W SUPERVOOC, per OPPO |
| Listed configurations | 8GB/128GB; 8GB/256GB | 8GB/128GB; 8GB/256GB |
| Announced 8GB/128GB launch price | ₹17,999 | ₹22,999 |
| Announced 8GB/256GB launch price | ₹19,999 | ₹24,999 |
Processor names identify different platforms, but they are not a controlled performance comparison. Likewise, battery capacity and charging wattage do not by themselves show real-world runtime or charging time. The F31 screen figures above come from a third-party listing, while the K13 display figures are stated in OPPO’s announcement; treat that difference in sourcing as relevant when weighing the display specifications.
What was the OPPO K13 vs F31 price difference?
At launch, the base F31 was ₹5,000 more than the K13 at each like-for-like storage tier. OPPO announced K13 prices in April 2025 and F31 prices in September 2025. These are historical launch prices, not current retailer quotes; check the exact model and storage configuration at checkout before deciding.
#1 Best Overall
- For USA Buyers : This Smartphone is compatible/will work with any GSM Networks such as AT&T, T-Mobile. For exact 2G GSM, 3G, 4G/LTE compatibility, please check with your network provider in advance prior to your purchase. This phone WILL NOT WORK with any CDMA Networks such as VERIZON, SPRINT, US CELLULAR.
- Dual-SIM, Network Compatibility, SIM CARD 1 AND 2 [2G : GSM 850/ 900/ 1800/ 1900 and/or 3G : WCDMA 800(B6) / 800(B19) / 850(B5) / 900(B8) / 1700|2100(B4) / 1900(B2) / 2100(B1) and/or 4G : LTE-FDD 700(B12) / 700(B13) / 700(B17) / 700(B28) / 800(B20) / 850(B5) / 850(B18) / 850(B19) / 850(B26) / 900(B8) / 1700|2100(B4) / 1800(B3) / 1900(B2) / 2100(B1) / 2100(B66) / 2600(B7) : LTE-TDD 1900(B39) / 2300(B40) / 2500(B41) / 2600(B38) and/or 5G : NR N1/N2/N3/N5/N7/N8/N12/N20/N26/N28/N38/N40/N41/N66/N77/N78]
- 6.59 inches, AMOLED, 1256 x 2760 pixels, Corning Gorilla Glass 7i
- 256GB 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)
- 8GB/128GB: K13 ₹17,999 versus F31 ₹22,999 at launch.
- 8GB/256GB: K13 ₹19,999 versus F31 ₹24,999 at launch.
Because the launches were months apart, the arithmetic does not say which phone is better value today. Current selling prices, discounts, and stock can change, so compare the actual checkout totals for the same storage tier.
Which phone has the better display?
On the published figures, both are FHD+ AMOLED screens with a 120Hz refresh rate. The K13 is listed at 6.67 inches and 1080 × 2400; the F31 at 6.57 inches and 1080 × 2372. The K13’s dimensions and resolution are in OPPO’s launch announcement; the F31 values here are from a third-party comparison listing, not the official specification page. Brightness and hands-on visibility results are not established here, so refresh rate and resolution alone cannot settle which looks better in use.
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)
Battery and charging: near-matched headline figures
Both phones are presented with 7,000mAh-class batteries and 80W charging claims. OPPO lists the F31 as 7,000mAh typical and 6,830mAh rated; its K13 launch announcement describes a 7,000mAh graphite battery. OPPO specifies 80W SUPERVOOC for the K13 and up to 80W for the F31. These figures do not establish equal battery life or a head-to-head charging time: usage, settings, temperature, and charging conditions matter, and no controlled comparison is established here.
Durability and software claims to weigh
F31 durability positioning
OPPO marketed the F31 series around durability and described triple IP66/IP68/IP69 certifications for the series. That series-level statement should not be assumed to prove that every certification detail applies to the base F31 5G without checking the model-specific terms. OPPO’s F31 product page also promotes a 72-month fluency certification. It is the manufacturer’s certification claim, not a guarantee that every owner’s phone will retain identical speed for six years.
Rank #3
- Marca original
- Garantía de tres años contra defectos de fabricación.
K13 software support
OPPO’s K13 announcement states two years of OS updates and three years of security updates. Confirm the applicable support policy for the buyer’s region and device before treating it as a deciding advantage. The available information here does not establish a directly comparable F31 update commitment.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Which should you choose?
- Lean toward the K13 if its current price is lower for the storage you need and its listed display, chipset, and support terms fit your priorities.
- Consider the F31 if its model-specific durability details matter to you and its current price makes sense against the K13. Verify the base model’s certification details rather than relying only on series-level language.
- For gaming or demanding workloads, look for independent tests of the exact models and the apps you use. The chipset labels alone do not prove which sustains better performance.
- For battery life, prioritize comparable runtime tests over capacity figures; for display choice, compare brightness and viewing experience as well as resolution and refresh rate.
OPPO’s specifications establish a lower K13 launch price and similar headline battery and charging figures. They do not establish a universal winner in speed, endurance, camera quality, or current value.
Quick Recap
Rank #4
- EXCLUSIVE AND STYLISH DESIGN - The Reno12 F 5G features the innovative Cosmos Ring Design, a unique design in color and style, lightweight and comfortable with only 187g in weight and 7.8mm thick, ideal for standing out anywhere.
- Exceptional Strength and Durability: IP64 and SGS certified, this smartphone is the toughest in its class. Splash Touch technology ensures that the screen works smoothly even when wet.
- Advanced AI Technology: Take advantage of advanced AI features like AI Eraser 2.0, AI Studio, and AI Smart Image Matting 2.0 to create artistic photos and edit images easily. AI Linkboost improves connectivity in saturated environments.
- 【Premium Screen & Sound】6.67 inch AMOLED FHD+ display with 120Hz and 1200Nits brightness for a superior viewing experience. Stereo sound with 300% ultra volume mode to enjoy your multimedia content without headphones.
- LONG BATTERY & FAST CHARGE - With a 5000mAh battery and 45W SupervoOC fast charging, enjoy up to two days of use and 50% charge in just 26 minutes. Battery system with 4 years of guaranteed durability.
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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