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For India-market versions, the OPPO K13 5G (CPH2729) has the stronger listed display, memory and charging specifications; the OPPO A6s 5G (CPH2889) has a slightly larger screen and a 3.5mm headphone jack. At launch, the A6s started ₹1,000 higher, but its base model had half the K13’s RAM. These are historical launch prices, not verified current retail prices.
Check the model code before comparing: OPPO also lists a different A6s 5G, CPH2789, for other markets. This comparison uses the India CPH2889 model.
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OPPO K13 vs OPPO A6s: India specifications
The figures below are from OPPO India’s specification pages. They describe listed hardware, not independently tested performance or image quality.
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| Specification | OPPO K13 5G (CPH2729) | OPPO A6s 5G (CPH2889) |
|---|---|---|
| India launch | Announced April 21, 2025; sale began April 25, 2025 | Announced and available March 18, 2026 |
| Display | 6.67-inch FHD+ (1080 × 2400) rigid AMOLED, up to 120Hz, 394ppi; HBM typical 1,200 nits | 17.15cm HD+ (1570 × 720) LCD, up to 120Hz, 256ppi; HBM typical 1,125 nits |
| Chipset and graphics | Qualcomm Snapdragon 6-series platform; OPPO lists a Kryo CPU and Adreno 810 GPU | MediaTek Dimensity 6300 |
| Memory and storage | 8GB LPDDR4X; 128GB or 256GB UFS 3.1 | 4GB or 6GB LPDDR4X; 128GB UFS 2.2 |
| Rear cameras | 50MP main with autofocus and EIS, plus 2MP monochrome | 50MP main with autofocus, plus 2MP monochrome |
| Front camera | 16MP, f/2.4 | 5MP, f/2.2 |
| Video | Rear video up to 4K at 30fps; listed EIS options up to 1080p/60fps | Rear video up to 1080p/60fps; some limits apply to the 4GB model |
| Battery and charging | 7,000mAh typical (6,820mAh rated); 80W SUPERVOOC | 6,500mAh typical (6,335mAh rated); 45W SUPERVOOC |
| Wireless and software | Wi-Fi 6, Bluetooth 5.2, ColorOS 15.0 | Wi-Fi 5, Bluetooth 5.4, ColorOS 15.0 |
| Weight | About 208g | About 212g |
| Other features | In-display fingerprint reader; infrared remote control | Side fingerprint reader; 3.5mm headphone jack; NFC unsupported on the India specification page |
Sources: OPPO K13 India specifications and OPPO A6s India specifications.
#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)
Which phone has the better display?
K13: sharper AMOLED
The K13 pairs a 120Hz refresh rate with FHD+ resolution and an AMOLED panel. Its 394ppi specification is substantially denser than the A6s’s 256ppi, so the listed screen is sharper. AMOLED and LCD are different panel technologies; specifications alone do not establish which screen a particular buyer will prefer.
A6s: slightly larger, lower-resolution LCD
The A6s display measures 17.15cm diagonally, compared with the K13’s 6.67 inches (16.94cm). Both list refresh rates up to 120Hz, but the A6s uses HD+ resolution and LCD. Choose based on the panel and resolution you want, not refresh rate alone.
Memory, storage and performance configuration
The K13 is listed with 8GB RAM and UFS 3.1 storage, with 128GB and 256GB options. The India A6s comes with 4GB or 6GB RAM and 128GB UFS 2.2 storage. That gives the K13 more RAM in either comparison and a higher storage tier; the listed storage standards also differ. The phones use different platforms, but these specifications are not benchmark results, so they do not establish a measured performance gap.
Battery, cameras and video
Battery and charging
OPPO lists a 7,000mAh typical battery and 80W SUPERVOOC charging for the K13, versus 6,500mAh typical and 45W SUPERVOOC for the A6s. The rated capacities are 6,820mAh and 6,335mAh, respectively. These are manufacturer capacity and charging specifications; they do not show comparative real-world battery life or charging time.
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)
Cameras
Both phones list a 50MP autofocus main camera and a 2MP monochrome rear camera. OPPO explicitly lists EIS for the K13 main camera; that specification does not prove better photos or video. The K13’s listed front camera is 16MP, while the A6s lists 5MP. Sensor resolution alone cannot establish image quality.
Video
The K13 lists rear recording up to 4K at 30fps, while the A6s lists up to 1080p at 60fps, with some recording limits on the A6s 4GB model. The K13 specification also lists EIS options up to 1080p/60fps; do not assume electronic stabilization applies to every resolution and frame-rate combination.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Price difference: launch prices, not today’s prices
OPPO India announced the K13 prices on April 21, 2025, and said sales would begin April 25. It announced the A6s prices on March 18, 2026. The simple base-price difference is ₹1,000, with the A6s higher, but the base configurations are not RAM-matched.
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Outbyte Driver Updater FREEFix the driver behind crashes, sound loss and screen glitchesFind Drivers →Outbyte PC Repair FREEClear out junk files and repair common Windows errorsFree Scan →| India launch configuration | Announced launch price |
|---|---|
| K13 8GB + 128GB | ₹17,999 |
| K13 8GB + 256GB | ₹19,999 |
| A6s 4GB + 128GB | ₹18,999 |
| A6s 6GB + 128GB | ₹20,999 |
On the launch configurations, the K13 8GB + 128GB was ₹1,000 less than the A6s 4GB + 128GB. The K13 8GB + 256GB was also ₹1,000 less than the A6s 6GB + 128GB, while listing twice the storage and more RAM. These are comparisons of announced launch prices, not like-for-like tests of value or current offers.
Rank #3
- 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
The launch announcements also mentioned time-bound promotions: A6s launch financing offers included a flat ₹1,000 cashback, while K13’s release mentioned a sale-day instant discount and exchange bonus. Those offers were tied to launch timing. Neither launch price nor launch promotion establishes what a buyer will pay now. Check a current listing for the exact RAM/storage variant, seller, warranty and checkout price.
Sources: OPPO India’s K13 launch announcement and OPPO India’s A6s launch announcement.
Which one should you choose?
- Consider the K13 if a sharper AMOLED screen, 8GB RAM, a 256GB storage option, higher listed selfie-camera resolution, 4K rear video or 80W charging matters most.
- Consider the A6s if you want the slightly larger diagonal display, a 3.5mm headphone jack, or a side-mounted fingerprint reader.
- Compare the exact listing before buying if price is decisive: the launch-price gap is historical, and today’s price, seller and stock were not verified here.
For the A6s, confirm the model code as well as the name. OPPO Global lists A6s 5G model CPH2789 with a different configuration; it is not the India CPH2889 compared above. See the OPPO Global A6s specifications.
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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.
