Oppo K12x vs Xiaomi Civi 4 Pro: A Deep Dive into Mid-Range Performance
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🏆 Quick Verdict
For the average user prioritizing performance and future-proofing, the Xiaomi Civi 4 Pro is the clear winner. Its Snapdragon 8s Gen 3 chipset offers a substantial leap in processing power over the K12x’s Snapdragon 695. However, the Oppo K12x remains a compelling option for budget-conscious buyers who prioritize value and don't require top-tier performance.
| PHONES | ||
|---|---|---|
| Phone Names | Oppo K12x (China) | Xiaomi Civi 4 Pro |
| 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) / 1900 / 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, 40, 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 | 2024, March 21 |
| Status | Available. Released 2024, May 20 | Available. Released 2024, March 21 |
| Body | ||
|---|---|---|
| Build | Glass front, plastic frame, plastic back | Glass front (Gorilla Glass Victus 2), glass back or silicone polymer back (eco leather), aluminum frame |
| Dimensions | 162.9 x 75.6 x 8.1 mm (6.41 x 2.98 x 0.32 in) | 157.2 x 72.8 x 7.5 mm or 7.8 mm |
| SIM | Nano-SIM + Nano-SIM | Nano-SIM + Nano-SIM |
| Weight | 191 g (6.74 oz) | 177.6 or 179.3 g or 180.9 g (6.28 oz) |
| Display | ||
|---|---|---|
| Protection | - | Corning Gorilla Glass Victus 2 |
| Resolution | 1080 x 2400 pixels, 20:9 ratio (~395 ppi density) | 1236 x 2750 pixels, 20:9 ratio (~460 ppi density) |
| Size | 6.67 inches, 107.4 cm2 (~87.2% screen-to-body ratio) | 6.55 inches, 103.5 cm2 (~90.4% screen-to-body ratio) |
| Type | OLED, 120Hz, 600 nits (typ), 1200 nits (HBM), 2100 nits (peak) | AMOLED, 68B colors, 120Hz, Dolby Vision, HDR10+, 3000 nits (peak) |
| Platform | ||
|---|---|---|
| CPU | Octa-core (2x2.2 GHz Kryo 660 Gold & 6x1.7 GHz Kryo 660 Silver) | Octa-core (1x3.0 GHz Cortex-X4 & 4x2.8 GHz Cortex-A720 & 3x2.0 GHz Cortex-A520) |
| Chipset | Qualcomm SM6375 Snapdragon 695 5G (6 nm) | Qualcomm SM8635 Snapdragon 8s Gen 3 (4 nm) |
| GPU | Adreno 619 | Adreno 735 |
| 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 12GB RAM, 512GB 12GB RAM, 512GB 16GB RAM |
| Main Camera | ||
|---|---|---|
| Dual | 50 MP, f/1.8, (wide), 1/2.76", PDAF Auxiliary lens | - |
| Features | LED flash, HDR, panorama | Color spectrum sensor, Dual-LED flash, HDR, panorama, Leica lenses |
| Triple | - | 50 MP, f/1.6, 25mm (wide), 1/1.55", 1.0µm, PDAF, OIS 50 MP, f/2.0, 50mm (telephoto), 0.64µm, PDAF, 2x optical zoom 12 MP, f/2.2, 15mm, 120˚ (ultrawide), 1.12µm |
| Video | 1080p@30fps, gyro-EIS | 4K@24/30/60fps, 1080p@30/60/120/240/960fps, 720p@1920fps, HDR10+, BT.2020, 10-bit video, gyro-EIS |
| Selfie camera | ||
|---|---|---|
| Dual | - | 32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm, AF 32 MP, f/2.4, 100˚ (ultrawide), 1/2.8", 0.8µm |
| Features | Panorama | HDR, panorama |
| Single | 16 MP, f/2.4, (wide) | - |
| Video | 1080p@30fps | 4K@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, LHDC |
| Infrared port | - | Yes |
| NFC | No | Yes |
| Positioning | GPS, GALILEO, GLONASS, BDS, QZSS | GPS (L1), GLONASS (G1), BDS (B1I+B1c), GALILEO (E1), QZSS (L1) |
| Radio | No | No |
| USB | USB Type-C 2.0 | USB Type-C 2.0, 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, gyro, proximity, compass |
| Battery | ||
|---|---|---|
| Charging | 80W wired, PD3.0, 100% in 50 min | 67W wired, PD3.0, 100% in 40 minutes |
| Type | 5500 mAh | Li-Po 4700 mAh |
| Misc | ||
|---|---|---|
| Colors | Gray, Light Green | Black, Pink, Blue, Green |
| Models | PJT110 | 24053PY09C |
| Price | About 170 EUR | About 380 EUR |
Oppo K12x (China)
- Faster 80W charging
- More affordable price point
- Decent performance for everyday tasks
- Significantly weaker processor
- Less future-proof
- Potentially lower-quality display
Xiaomi Civi 4 Pro
- Flagship-level Snapdragon 8s Gen 3 processor
- Superior performance and efficiency
- Likely better camera system
- Higher price
- Slightly slower charging (67W)
- May require more frequent charging due to higher performance demands
Display Comparison
While both phones likely feature AMOLED panels (based on brand trends), the specifics are missing. The Civi 4 Pro’s focus on aesthetics suggests a potentially higher-quality display with a higher peak brightness and more accurate color calibration. The K12x, being a more budget-oriented device, may utilize a slightly less advanced panel. Bezels are likely comparable, but the Civi 4 Pro’s design language hints at a more refined screen-to-body ratio.
Camera Comparison
Without detailed camera specs, it’s difficult to make a definitive judgment. However, the Civi 4 Pro’s positioning as a more premium device suggests a more sophisticated camera system. The Snapdragon 8s Gen 3’s ISP (Image Signal Processor) is also significantly more capable than the one found in the Snapdragon 695, resulting in better image processing, noise reduction, and dynamic range. We can expect the Civi 4 Pro to excel in low-light photography and video recording. The K12x will likely offer a competent camera for everyday use, but won’t match the Civi 4 Pro’s capabilities.
Performance
The performance gap is the most significant differentiator. The Xiaomi Civi 4 Pro’s Snapdragon 8s Gen 3 (4nm) is a substantial upgrade over the Oppo K12x’s Snapdragon 695 (6nm). The 8s Gen 3 features a Cortex-X4 prime core clocked at 3.0 GHz, alongside A720 and A520 cores, offering significantly faster CPU and GPU performance. The 6nm process of the Snapdragon 695, while efficient, can’t compete with the 4nm node of the 8s Gen 3 in terms of raw power and thermal efficiency. This translates to smoother gaming, faster app loading times, and better multitasking on the Civi 4 Pro. The Civi 4 Pro will also benefit from faster LPDDR5x RAM, further enhancing performance.
Battery Life
The Oppo K12x boasts 80W wired charging, achieving a 100% charge in 50 minutes, while the Xiaomi Civi 4 Pro charges at 67W, reaching 100% in 40 minutes. While the K12x charges slightly faster, the Civi 4 Pro’s more efficient Snapdragon 8s Gen 3 chipset will likely result in comparable, if not better, real-world battery life despite potentially having a similar or slightly smaller battery capacity. The 4nm process node contributes significantly to power efficiency.
Buying Guide
Buy the Oppo K12x (China) if you need a reliable daily driver for basic tasks, social media, and light gaming, and are on a strict budget. You’ll appreciate its 80W fast charging and decent battery life. Buy the Xiaomi Civi 4 Pro if you prioritize smooth multitasking, demanding mobile games, and a more responsive user experience, and are willing to spend more for a flagship-level processor.