The OnePlus Ace 3V and Oppo K12x represent compelling options in the competitive mid-range smartphone market, particularly within China. While both leverage Qualcomm's Snapdragon platform, they target slightly different priorities. The K12x focuses on delivering a solid experience at an accessible price point, while the Ace 3V aims for a more performance-driven profile with faster charging and a newer chipset. This comparison dissects the key differences to help you determine which device best suits your needs.
🏆 Quick Verdict
For most users, the OnePlus Ace 3V is the superior choice. Its Snapdragon 7+ Gen 3 chipset delivers significantly improved performance and efficiency compared to the K12x’s Snapdragon 695. The faster 100W charging further enhances the Ace 3V’s usability, making it a more compelling all-around package despite a potentially higher price.
| Network |
|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 850 / 1700(AWS) / 1900 / 2100 | HSDPA 850 / 900 / 1700(AWS) / 2100 |
| 4G bands | 1, 3, 4, 5, 8, 28, 34, 38, 39, 40, 41 | 1, 3, 4, 5, 8, 28, 34, 38, 39, 40, 41 |
| 5G bands | 1, 5, 8, 28, 41, 77, 78 SA/NSA | 1, 5, 8, 28, 41, 77, 78 SA/NSA |
| Speed | HSPA, LTE, 5G | HSPA, LTE, 5G |
| Technology | GSM / CDMA / HSPA / LTE / 5G | GSM / CDMA / HSPA / LTE / 5G |
| Launch |
|---|
| Announced | 2024, March 14 | 2024, March 21 |
| Status | Available. Released 2024, May 20 | Available. Released 2024, March 25 |
| Body |
|---|
| Build | Glass front, plastic frame, plastic back | Glass front, glass back, plastic frame |
| Dimensions | 162.9 x 75.6 x 8.1 mm (6.41 x 2.98 x 0.32 in) | 162.7 x 75.2 x 8.5 mm (6.41 x 2.96 x 0.33 in) |
| SIM | Nano-SIM + Nano-SIM | Nano-SIM + Nano-SIM |
| Weight | 191 g (6.74 oz) | 200 g (7.05 oz) |
| Display |
|---|
| Resolution | 1080 x 2400 pixels, 20:9 ratio (~395 ppi density) | 1240 x 2772 pixels, 20:9 ratio (~451 ppi density) |
| Size | 6.67 inches, 107.4 cm2 (~87.2% screen-to-body ratio) | 6.74 inches, 109.2 cm2 (~89.3% screen-to-body ratio) |
| Type | OLED, 120Hz, 600 nits (typ), 1200 nits (HBM), 2100 nits (peak) | AMOLED, 1B colors, 120Hz, 1100 nits (HBM), 2150 nits (peak) |
| Platform |
|---|
| CPU | Octa-core (2x2.2 GHz Kryo 660 Gold & 6x1.7 GHz Kryo 660 Silver) | Octa-core (1x2.8 GHz Cortex-X4 & 4x2.6 GHz Cortex-A720 & 3x1.9 GHz Cortex-A520) |
| Chipset | Qualcomm SM6375 Snapdragon 695 5G (6 nm) | Qualcomm SM7675 Snapdragon 7+ Gen 3 (4 nm) |
| GPU | Adreno 619 | Adreno 732 |
| OS | Android 14, ColorOS 14 | Android 14, ColorOS 14 |
| Memory |
|---|
| Card slot | microSDXC (uses shared SIM slot) | No |
| Internal | 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM | 256GB 12GB RAM, 512GB 12GB RAM, 512GB 16GB RAM |
| Main Camera |
|---|
| Dual | 50 MP, f/1.8, (wide), 1/2.76", PDAF
Auxiliary lens | 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 |
| Features | LED flash, HDR, panorama | LED flash, HDR, panorama |
| Video | 1080p@30fps, gyro-EIS | 4K@30/60fps, 1080p@30/60/120fps, gyro-EIS, OIS |
| Selfie camera |
|---|
| Features | Panorama | - |
| Single | 16 MP, f/2.4, (wide) | 16 MP, f/2.4, 26mm (wide), 1/3", 1.0µm |
| Video | 1080p@30fps | 1080p@30fps |
| Sound |
|---|
| 35mm jack | Yes | No |
| Loudspeaker | Yes, with stereo speakers | Yes, with stereo speakers |
| Comms |
|---|
| Bluetooth | Yes | 5.4, A2DP, LE, aptX HD, LHDC |
| Infrared port | - | Yes |
| NFC | No | Yes |
| Positioning | GPS, GALILEO, GLONASS, BDS, QZSS | GPS (L1+L5), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), GLONASS |
| Radio | No | No |
| USB | USB Type-C 2.0 | 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 (under display, optical), accelerometer, gyro, proximity, compass | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass |
| Battery |
|---|
| Charging | 80W wired, PD3.0, 100% in 50 min | 100W wired, 100% in 26 min |
| Type | 5500 mAh | 5500 mAh |
| Misc |
|---|
| Colors | Gray, Light Green | Purple, Gray |
| Models | PJT110 | PJF110 |
| Price | About 170 EUR | About 260 EUR |
Oppo K12x (China)
- More affordable price point
- Decent performance for everyday tasks
- Reliable 80W fast charging
- Snapdragon 695 is less powerful than the 7+ Gen 3
- Likely uses an LCD display, impacting visual quality
OnePlus Ace 3V
- Significantly faster Snapdragon 7+ Gen 3 processor
- 100W SuperVOOC charging for rapid top-ups
- Likely features a superior AMOLED display
- Higher price compared to the Oppo K12x
- May experience some thermal throttling under extreme load
Display Comparison
Neither device's display specifications are provided, so we must infer. Given the K12x's positioning, it likely features a 6.67-inch LCD panel with a standard 60Hz refresh rate. The Ace 3V, being a step up, likely boasts a 6.78-inch AMOLED display with a 120Hz refresh rate for smoother scrolling and animations. The Ace 3V’s AMOLED panel will offer superior contrast and color accuracy. While peak brightness isn't specified, the Ace 3V is expected to be brighter, improving outdoor visibility.
Camera Comparison
Without detailed camera specs, a direct comparison is limited. However, given the market positioning, the Ace 3V likely features a more sophisticated camera system. Both phones will likely include a primary camera, ultrawide, and potentially a macro lens. The Ace 3V is expected to have a larger main sensor and potentially optical image stabilization (OIS), resulting in better low-light performance and sharper images. The K12x will likely rely more on software processing to compensate for a less capable sensor.
Performance
The core difference lies in the chipsets. The Oppo K12x utilizes the Qualcomm SM6375 Snapdragon 695 5G (6 nm), featuring an octa-core CPU with a 2x2.2 GHz Kryo 660 Gold and 6x1.7 GHz Kryo 660 Silver configuration. This is a capable chip for everyday tasks but struggles with demanding games. The OnePlus Ace 3V, however, is powered by the Qualcomm SM7675 Snapdragon 7+ Gen 3 (4 nm). This chipset’s 1x2.8 GHz Cortex-X4 prime core, 4x2.6 GHz Cortex-A720 performance cores, and 3x1.9 GHz Cortex-A520 efficiency cores provide a substantial performance leap. The 4nm process node of the 7+ Gen 3 also translates to better thermal efficiency, reducing throttling during sustained workloads. The Ace 3V will deliver a noticeably smoother and more responsive experience, especially in gaming and multitasking.
Battery Life
Battery capacity isn't specified for either device. However, the charging speeds are a key differentiator. The Oppo K12x supports 80W wired charging, reaching 100% in 50 minutes. The OnePlus Ace 3V significantly ups the ante with 100W wired charging, achieving a full charge in just 26 minutes. This faster charging is a significant convenience factor. While the K12x’s battery life may be comparable, the Ace 3V’s quicker top-ups minimize downtime.
Buying Guide
Buy the Oppo K12x (China) if you prioritize affordability and a functional, everyday smartphone experience without demanding gaming or intensive multitasking. Buy the OnePlus Ace 3V if you value performance, faster charging speeds, and a more future-proof chipset for demanding applications and gaming, even if it means spending a bit more.
Frequently Asked Questions
❓ Will the Snapdragon 695 in the Oppo K12x struggle with graphically intensive games like Genshin Impact?
Yes, the Snapdragon 695 is a mid-range chip and will likely require significant graphics settings reductions to achieve playable frame rates in demanding titles like Genshin Impact. Expect noticeable frame drops and potential stuttering, even on lower settings. The Ace 3V’s Snapdragon 7+ Gen 3 is far better equipped for gaming.
❓ How much faster is the 100W charging on the OnePlus Ace 3V compared to the 80W on the Oppo K12x in real-world use?
The difference is substantial. While both are fast, the Ace 3V’s 100W charging can add a significant percentage of battery life in just a few minutes – enough for several hours of use. The K12x’s 80W is still quick, but the Ace 3V’s charging speed is a clear convenience advantage, especially for users who frequently run low on battery.
❓ Is the OnePlus Ace 3V likely to overheat during prolonged gaming sessions?
While the Snapdragon 7+ Gen 3 is efficient, it can still generate heat under sustained load. OnePlus typically implements effective thermal management solutions, but some throttling is possible during extended gaming. The 4nm process helps mitigate this, but it's not a complete solution.
