The Oppo K12x and Xiaomi Redmi K70E represent compelling options in the competitive Chinese mid-range smartphone market. The K12x focuses on providing a balanced experience with efficient power consumption, while the K70E aggressively targets performance with a more powerful chipset and faster charging. This comparison dissects the key differences to help you determine which device best suits your needs.
🏆 Quick Verdict
For the average user prioritizing raw performance and faster charging, the Xiaomi Redmi K70E is the clear winner. Its Dimensity 8300 Ultra chipset delivers a significantly more responsive experience than the Oppo K12x’s Snapdragon 695. However, the K12x remains a viable option for those on a tighter budget or prioritizing battery efficiency.
| Network |
|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 850 / 1700(AWS) / 1900 / 2100 | HSDPA 800 / 850 / 900 / 1700(AWS) / 2100 |
| 4G bands | 1, 3, 4, 5, 8, 28, 34, 38, 39, 40, 41 | 1, 3, 4, 5, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42, 48, 66 |
| 5G bands | 1, 5, 8, 28, 41, 77, 78 SA/NSA | 1, 3, 5, 8, 28, 38, 41, 48, 66, 77, 78 SA/NSA |
| Speed | HSPA, LTE, 5G | HSPA, LTE, 5G |
| Technology | GSM / CDMA / HSPA / LTE / 5G | GSM / CDMA / HSPA / CDMA2000 / LTE / 5G |
| Launch |
|---|
| Announced | 2024, March 14 | 2023, November 29 |
| Status | Available. Released 2024, May 20 | Available. Released 2023, November 29 |
| Body |
|---|
| Build | Glass front, plastic frame, plastic back | - |
| Dimensions | 162.9 x 75.6 x 8.1 mm (6.41 x 2.98 x 0.32 in) | 160.5 x 74.3 x 8.1 mm (6.32 x 2.93 x 0.32 in) |
| SIM | Nano-SIM + Nano-SIM | Nano-SIM + Nano-SIM |
| Weight | 191 g (6.74 oz) | 198 g (6.98 oz) |
| Display |
|---|
| Resolution | 1080 x 2400 pixels, 20:9 ratio (~395 ppi density) | 1220 x 2712 pixels, 20:9 ratio (~446 ppi density) |
| Size | 6.67 inches, 107.4 cm2 (~87.2% screen-to-body ratio) | 6.67 inches, 107.4 cm2 (~90.1% screen-to-body ratio) |
| Type | OLED, 120Hz, 600 nits (typ), 1200 nits (HBM), 2100 nits (peak) | OLED, 68B colors, 120Hz, Dolby Vision, HDR10+, 1800 nits (peak) |
| Platform |
|---|
| CPU | Octa-core (2x2.2 GHz Kryo 660 Gold & 6x1.7 GHz Kryo 660 Silver) | Octa-core (1x3.35 GHz Cortex-A715 & 3x3.20 GHz Cortex-A715 & 4x2.20 GHz Cortex-A510) |
| Chipset | Qualcomm SM6375 Snapdragon 695 5G (6 nm) | Mediatek Dimensity 8300 Ultra (4 nm) |
| GPU | Adreno 619 | Mali G615-MC6 |
| OS | Android 14, ColorOS 14 | Android 14, HyperOS |
| Memory |
|---|
| Card slot | microSDXC (uses shared SIM slot) | No |
| Internal | 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM | 256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM, 1TB 16GB RAM |
| Main Camera |
|---|
| Dual | 50 MP, f/1.8, (wide), 1/2.76", PDAF
Auxiliary lens | - |
| Features | LED flash, HDR, panorama | LED flash, HDR, panorama |
| Triple | - | 64 MP, (wide), 1/2.0", PDAF, OIS
8 MP, 120˚, (ultrawide)
2 MP (macro) |
| Video | 1080p@30fps, gyro-EIS | 4K@24/30fps, 1080p@30/60/120/240/960fps, 720p@1920fps, gyro-EIS |
| Selfie camera |
|---|
| Features | Panorama | HDR, panorama |
| Single | 16 MP, f/2.4, (wide) | 16 MP, (wide) |
| Video | 1080p@30fps | 1080p@30/60fps, gyro-EIS |
| Sound |
|---|
| 35mm jack | Yes | No |
| Loudspeaker | Yes, with stereo speakers | Yes, with stereo speakers |
| Comms |
|---|
| Bluetooth | Yes | 5.4, A2DP, LE |
| Infrared port | - | Yes |
| NFC | No | Yes |
| Positioning | GPS, GALILEO, GLONASS, BDS, QZSS | GPS, GALILEO, GLONASS, QZSS, BDS (B1I+B1c) |
| Radio | No | No |
| USB | USB Type-C 2.0 | USB Type-C, OTG |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct |
| Features |
|---|
| Sensors | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass | Fingerprint (under display, optical), accelerometer, proximity, gyro, compass |
| Battery |
|---|
| Charging | 80W wired, PD3.0, 100% in 50 min | 90W wired, PD3.0, QC2, 100% in 34 min |
| Type | 5500 mAh | Li-Po 5500 mAh |
| Misc |
|---|
| Colors | Gray, Light Green | Black, White, Mint |
| Models | PJT110 | 2311DRK48C |
| Price | About 170 EUR | About 260 EUR |
Oppo K12x (China)
- Potentially better battery efficiency due to the Snapdragon 695's power draw.
- More affordable price point (likely).
- Reliable 5G connectivity.
- Significantly less powerful processor.
- Slower charging speed (50 minutes).
- Likely limited gaming performance.
Xiaomi Redmi K70E
- Much faster processor (Dimensity 8300 Ultra).
- Significantly faster charging (34 minutes).
- Superior gaming performance and multitasking capabilities.
- Potentially shorter battery life (depending on battery capacity).
- Higher price point.
- May run warmer under sustained load.
Display Comparison
While display specifications are missing for the Oppo K12x, both devices likely feature LCD panels given their price points. The Redmi K70E’s performance advantage extends to its display capabilities, as the Dimensity 8300 Ultra’s ISP can support higher refresh rates and more advanced display features. The K70E’s chipset is capable of driving a 120Hz panel, offering a smoother visual experience compared to the K12x, which is likely limited to a standard 60Hz refresh rate. Bezels are expected to be similar on both devices, reflecting the mid-range positioning.
Camera Comparison
Without detailed camera specifications for the Oppo K12x, it’s difficult to make a direct comparison. However, given the Redmi K70E’s chipset, it’s likely to benefit from more advanced image signal processing (ISP) capabilities, resulting in better dynamic range and noise reduction. The K70E’s ISP can handle higher resolution sensors and more complex computational photography algorithms. While both phones likely feature a standard primary camera, the K70E’s processing power will likely yield superior image quality, particularly in challenging lighting conditions. We anticipate the K70E will have a more versatile camera system overall.
Performance
The core difference lies in the chipsets. The Xiaomi Redmi K70E’s Mediatek Dimensity 8300 Ultra (4nm) is a substantial upgrade over the Oppo K12x’s Qualcomm Snapdragon 695 5G (6nm). The Dimensity 8300 Ultra’s octa-core configuration – 1x3.35 GHz Cortex-A715, 3x3.20 GHz Cortex-A715, and 4x2.20 GHz Cortex-A510 – provides significantly more processing power and efficiency than the Snapdragon 695’s 2x2.2 GHz Kryo 660 Gold & 6x1.7 GHz Kryo 660 Silver. The 4nm process node of the Dimensity 8300 Ultra further enhances efficiency, leading to better thermal management and sustained performance during demanding tasks. This translates to faster app loading times, smoother multitasking, and a more enjoyable gaming experience on the K70E.
Battery Life
The Redmi K70E’s 90W wired charging is a significant advantage, achieving a 100% charge in just 34 minutes. The Oppo K12x’s 80W charging, while still fast, takes 50 minutes to fully charge. While battery capacity is not specified for either device, the Dimensity 8300 Ultra’s superior power efficiency could offset a potentially smaller battery in the K70E, providing comparable or even better real-world battery life. The faster charging speed of the K70E is a major convenience factor for users who frequently need to top up their battery quickly.
Buying Guide
Buy the Oppo K12x (China) if you need a reliable daily driver with decent battery life and 5G connectivity, and are comfortable with a more modest performance profile. It’s ideal for users who primarily browse, use social media, and occasionally game. Buy the Xiaomi Redmi K70E if you prefer a smoother, faster experience for gaming, multitasking, and demanding applications, and value the convenience of significantly faster 90W charging.
Frequently Asked Questions
❓ Will the Redmi K70E’s Dimensity 8300 Ultra get noticeably hot during prolonged gaming sessions?
While the Dimensity 8300 Ultra is a powerful chip, its 4nm process node and Xiaomi’s thermal management solutions should mitigate excessive heat. However, some throttling is possible during extended, graphically intensive gaming. Expect warm temperatures, but not to the point of significant performance degradation.
❓ Is the 80W charging on the Oppo K12x still considered fast charging in 2024?
80W charging is still considered fast, but it’s noticeably slower than the 90W charging on the Redmi K70E. The K12x will take approximately 50 minutes for a full charge, while the K70E achieves the same in just 34 minutes. For users who prioritize quick top-ups, the K70E’s charging speed is a significant advantage.
❓ Can the Snapdragon 695 in the Oppo K12x handle popular games like PUBG Mobile and Genshin Impact?
The Snapdragon 695 can run PUBG Mobile at medium settings with acceptable frame rates. However, Genshin Impact will likely require significantly lower settings and may still experience noticeable frame drops. The K12x is not ideal for demanding mobile gaming.
