The mid-range smartphone market is fiercely competitive, and the Oppo K13x and Realme 12 Pro+ represent compelling options for budget-conscious buyers. The K13x focuses on delivering solid performance with a Mediatek Dimensity 6300, while the Realme 12 Pro+ counters with Qualcomm’s Snapdragon 7s Gen 2 and a focus on extended battery life. This comparison will dissect their strengths and weaknesses to determine which device offers the best overall package.
🏆 Quick Verdict
For the average user prioritizing all-day battery life and faster charging, the Realme 12 Pro+ emerges as the winner. Its Snapdragon 7s Gen 2 provides a smooth experience, and the 67W charging significantly reduces downtime. However, the K13x remains a strong contender for those prioritizing value and a slightly different performance profile.
| Network |
|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 900 / 2100 - K13x | HSDPA 850 / 900 / 2100 |
| 4G bands | 1, 3, 5, 8, 28, 40, 41 - K13x | 1, 3, 5, 8, 28, 40, 41 |
| 5G bands | 1, 3, 5, 8, 28, 40, 41, 77, 78 SA/NSA - K13x | 1, 3, 5, 8, 28, 40, 41, 77, 78 SA/NSA |
| Speed | HSPA, LTE, 5G | HSPA, LTE, 5G |
| Technology | GSM / HSPA / LTE / 5G | GSM / HSPA / LTE / 5G |
| Launch |
|---|
| Announced | 2025, June 23 | 2024, January 29 |
| Status | Available. Released 2025, June 27 | Available. Released 2024, January 29 |
| Body |
|---|
| Dimensions | 165.7 x 76.2 x 7.9 mm (6.52 x 3.00 x 0.31 in) | 161.5 x 74 x 8.8 mm (6.36 x 2.91 x 0.35 in) |
| SIM | Nano-SIM + Nano-SIM | Nano-SIM + Nano-SIM |
| Weight | 194 g (6.84 oz) | 196 g (6.91 oz) |
| Display |
|---|
| Protection | Corning Gorilla Glass 7i (Oppo A5i Pro only) | - |
| Resolution | 720 x 1604 pixels, 20:9 ratio (~264 ppi density) | 1080 x 2412 pixels, 20:9 ratio (~394 ppi density) |
| Size | 6.67 inches, 107.2 cm2 (~84.9% screen-to-body ratio) | 6.7 inches, 108.0 cm2 (~90.4% screen-to-body ratio) |
| Type | IPS LCD, 120Hz, 850 nits (typ), 1000 nits (HBM) | AMOLED, 1B colors, 120Hz, 800 nits (HBM), 950 nits (peak) |
| Platform |
|---|
| CPU | Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55) | Octa-core (4x2.40 GHz Cortex-A78 & 4x1.95 GHz Cortex-A55) |
| Chipset | Mediatek Dimensity 6300 (6 nm) | Qualcomm SM7435-AB Snapdragon 7s Gen 2 (4 nm) |
| GPU | Mali-G57 MC2 | Adreno 710 |
| OS | Android 15, ColorOS 15 | Android 14, Realme UI 5.0 |
| Memory |
|---|
| Card slot | microSDXC | No |
| Internal | 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM | 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM |
| Main Camera |
|---|
| Dual | 50 MP, f/1.8, 27mm (wide), 1/2.88", 0.61µm, PDAF
2 MP, f/2.4, (wide) | - |
| Features | LED flash, HDR, panorama | LED flash, HDR, panorama |
| Triple | - | 50 MP, f/1.8, 24mm (wide), 1/1.56", 1.0µm, multi-directional PDAF, OIS
64 MP, f/2.8, 71mm, (periscope telephoto), 1/2.0", 0.7µm, PDAF, OIS, 3x optical zoom
8 MP, f/2.2, 16mm, 112˚ (ultrawide), 1/4.0", 1.12µm |
| Video | 1080p@30/60fps | 4K@30fps, 1080p@30/60/120fps, gyro-EIS |
| Selfie camera |
|---|
| Features | Panorama | - |
| Single | 8 MP, f/2.0, 25mm (wide), 1/4.0", 1.12µm | 32 MP, f/2.4, 22mm (wide) |
| Video | 1080p@30fps | 1080p@30fps |
| Sound |
|---|
| 35mm jack | Yes | No |
| Loudspeaker | Yes | Yes, with stereo speakers |
| Comms |
|---|
| Bluetooth | 5.4, A2DP, LE, aptX HD | 5.2, A2DP, LE |
| NFC | Yes (only A5i Pro) | Yes (market/region dependent) |
| Positioning | GPS, GALILEO, GLONASS, BDS, QZSS | GPS, GLONASS, GALILEO, BDS, QZSS |
| Radio | Unspecified | No |
| USB | USB Type-C 2.0, OTG | USB Type-C 2.0 |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band |
| Features |
|---|
| Sensors | Fingerprint (side-mounted), accelerometer, proximity, compass | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass |
| Battery |
|---|
| Charging | 45W wired, 33W PPS, 13.5W PD, 50% in 37 min | 67W wired, 50% in 19 min |
| Type | 6000 mAh | 5000 mAh |
| Misc |
|---|
| Colors | Sunset Peach, Midnight Violet (Midnight Purple), Breeze Blue | Submarine Blue, Navigator Beige, Explorer Red |
| Models | CPH2753, CPH2821 | RMX3840, RMX3841 |
| Price | ₹ 10,798 | $ 465.00 / £ 299.00 / € 344.26 / ₹ 28,400 |
| SAR | 1.18 W/kg (head) 1.05 W/kg (body) | - |
Oppo K13x
- Potentially more affordable price point
- Decent performance for everyday tasks
- Support for PPS and PD charging standards
- Less powerful chipset compared to Snapdragon 7s Gen 2
- Slower charging speed (37 minutes to 50%)
- Likely lower peak display brightness
Realme 12 Pro+
- Superior chipset (Snapdragon 7s Gen 2) for smoother performance
- Excellent battery life (13:24h active use)
- Faster charging (19 minutes to 50%)
- Potentially higher price tag
- May lack some of the K13x's charging protocol flexibility
Display Comparison
The Realme 12 Pro+ boasts a measured peak brightness of 802 nits, a significant advantage over the Oppo K13x (brightness data unavailable). While both likely utilize AMOLED panels given their market segment, the Realme’s higher brightness translates to better visibility outdoors. The absence of LTPO technology on either device suggests a standard 60Hz or 120Hz refresh rate, but the Realme’s superior brightness is a clear win for users who frequently consume content in bright environments.
Camera Comparison
Without detailed camera specs, a direct comparison is limited. However, Realme often emphasizes camera capabilities in its 'Pro+' line. The Realme 12 Pro+ likely features a more sophisticated camera system with potentially larger sensors and improved image processing algorithms. The Oppo K13x will likely offer a competent camera experience, but the Realme’s positioning suggests a greater emphasis on photographic quality. The absence of information on OIS for either device makes it difficult to assess low-light performance.
Performance
The core difference lies in the chipsets: the Oppo K13x utilizes the Mediatek Dimensity 6300 (6nm), while the Realme 12 Pro+ features the Qualcomm Snapdragon 7s Gen 2 (4nm). The Snapdragon 7s Gen 2, built on a more efficient 4nm process, generally offers superior performance and thermal management. While both CPUs feature octa-core architectures, the Snapdragon utilizes Cortex-A78 cores (2.40 GHz) which are a generation ahead of the K13x’s Cortex-A76 cores (2.4 GHz). This translates to better sustained performance in demanding applications and games. The K13x’s 6nm process is still respectable, but the 4nm Snapdragon has a clear edge.
Battery Life
The Realme 12 Pro+ shines in battery performance, achieving an active use score of 13:24h. While the K13x’s battery capacity is unknown, the Realme’s endurance is a significant advantage. Furthermore, the Realme supports 67W wired charging, reaching 50% charge in just 19 minutes, while the K13x’s 45W charging (with PPS and PD support) takes 37 minutes to reach 50%. This faster charging speed is a crucial benefit for users who need to quickly top up their battery.
Buying Guide
Buy the Oppo K13x if you need a dependable daily driver with a focus on cost-effectiveness and aren't overly concerned with having the absolute fastest charging speeds. Buy the Realme 12 Pro+ if you prefer a phone that can comfortably last a full day on a single charge, charges incredibly quickly, and offers a slightly more refined chipset for demanding tasks.
Frequently Asked Questions
❓ Does the Snapdragon 7s Gen 2 in the Realme 12 Pro+ get noticeably warmer during extended gaming sessions compared to the Dimensity 6300 in the Oppo K13x?
The Snapdragon 7s Gen 2, while more powerful, is built on a more efficient 4nm process. This generally results in better thermal management and less throttling during prolonged gaming. While both phones will experience some heat, the Realme 12 Pro+ is likely to maintain higher sustained performance for longer periods.
❓ Is the 67W charging on the Realme 12 Pro+ compatible with all USB-PD chargers, or do I need a specific Realme charger to achieve the fastest speeds?
While the Realme 12 Pro+ supports USB-PD, achieving the full 67W charging speed typically requires a charger that specifically supports SuperVOOC or compatible protocols. Using a standard USB-PD charger may result in slower charging speeds, though it will still charge the device.
❓ Given the lack of detailed camera specs, can I expect a significant difference in image quality between the Oppo K13x and the Realme 12 Pro+?
Realme's 'Pro+' series generally prioritizes camera performance. While the K13x will likely produce acceptable photos, the Realme 12 Pro+ is expected to offer better image quality, particularly in challenging lighting conditions, due to potentially larger sensors and more advanced image processing.
