Oppo K12x 5G vs Xiaomi Redmi Turbo 4
Compare Oppo K12x 5G vs Xiaomi Redmi Turbo 4 side by side: MediaTek Dimensity 6300 vs MediaTek Dimensity 8400-Ultra, 32MP vs 50MP camera, 5100mAh vs 6500mAh…

Oppo
Oppo K12x 5G
$159
3categories won

Xiaomi
Redmi Turbo 4
$299
14categories won
3 categories tied · 20 scored in total · add a third phone
Which one wins?
Xiaomi Redmi Turbo 4 takes the overall win
The Xiaomi Redmi Turbo 4 proves superior overall against the Oppo K12x 5G, outperforming on gaming and photography. In camera testing, the Redmi Turbo 4 leads with superior optics, while battery endurance leans towards the Redmi Turbo 4. Choose the Redmi Turbo 4 if you want the highest performance ceiling, or opt for the Oppo K12x 5G if its lower retail price better fit your budget.
Redmi Turbo 4 takes battery honors offering 6,500 mAh alongside 45W charging.
Redmi Turbo 4 provides greater sustained gaming output with its MediaTek Dimensity 8400-Ultra and 16GB RAM.
Redmi Turbo 4 takes photography with 50MP optics.
Oppo K12x 5G provides a sharper value proposition, coming in at $159 vs $299.
Category verdicts are computed algorithmically from verified technical specifications and hardware benchmarks. Rows where neither figure is objectively better — screen size preference, operating system choice, aesthetic build materials — are displayed for direct reference without scoring bias.
Oppo K12x 5G vs Redmi Turbo 4: specifications compared
Display
| Specification | Oppo K12x 5G | Redmi Turbo 4 |
|---|---|---|
| Screen size | 6.67" | 6.67" |
| Resolution | 720 x 1604 | 1220 x 2712Winner |
| Pixel density | 264 ppi | 446 ppiWinner |
| Refresh rate | 120 Hz | 144 HzWinner |
| Peak brightness | 1000 nits | 2400 nitsWinner |
Performance
| Specification | Oppo K12x 5G | Redmi Turbo 4 |
|---|---|---|
| Chipset | MediaTek Dimensity 6300 | MediaTek Dimensity 8400-Ultra |
| Process node | 6 nm | 4 nmWinner |
| AnTuTu score | 430,000 | 2,400,000Winner |
| Geekbench multi | 2060 | 8900Winner |
| Maximum RAM | 8 GB | 16 GBWinner |
| Maximum storage | 256GB | 512GBWinner |
Camera
| Specification | Oppo K12x 5G | Redmi Turbo 4 |
|---|---|---|
| Main sensor | 32 MP | 50 MPWinner |
| Rear cameras | 2 | 2 |
| Ultrawide | — | 12 MP |
| Selfie camera | 8 MP | 16 MPWinner |
| Max video | 1080p@30fps | 8K at 30fps / 4K at 120fps |
Battery and charging
| Specification | Oppo K12x 5G | Redmi Turbo 4 |
|---|---|---|
| Capacity | 5,100 mAh | 6,500 mAhWinner |
| Wired charging | 45 W | 45 W |
| Wireless charging | No | 15 WWinner |
Design
| Specification | Oppo K12x 5G | Redmi Turbo 4 |
|---|---|---|
| Weight | 186 gWinner | 198 g |
| Thickness | 7.68 mmWinner | 8.2 mm |
| Water resistance | IP54 / MIL-STD-810H | IP66/IP68 |
| Build | 360-degree Damage-Proof Armour Body, matte composite back, Panda Glass front | Polycarbonate composite frame, glass back, high-durability front glass |
Software and support
| Specification | Oppo K12x 5G | Redmi Turbo 4 |
|---|---|---|
| Operating system | Android 14 | Android 15 |
| OS updates | 2 years | 3 yearsWinner |
| Security updates | 3 years | 3 years |
Connectivity and value
| Specification | Oppo K12x 5G | Redmi Turbo 4 |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 5 (802.11ac) | Wi-Fi 7 (802.11be, tri-band 2.4/5/6GHz, 320MHz bandwidth) |
| Storage expansion | microSD | None |
| 3.5mm jack | No | No |
| Launch price | $159Winner | $299 |
Oppo K12x 5G
The Oppo K12x 5G brings military-grade MIL-STD-810H shock resistance to the sub-$160 5G segment. Featuring an ultra-slim 7.68mm 360-degree Damage-Proof Armour Body, 45W SuperVOOC fast charging, 1,000 nits 120Hz display, and Splash Touch usability.
- Display
- 6.67"
- Chipset
- MediaTek Dimensity 6300
- Main camera
- 32MP
- Battery
- 5,100mAh
Xiaomi Redmi Turbo 4
The Redmi Turbo 4 breaks all price-to-performance barriers, offering a massive 6,500 mAh battery, MediaTek Dimensity 8400-Ultra chip, and UFS 4.0 flash storage for a jaw-dropping sub-$300 sticker price.
- Display
- 6.67"
- Chipset
- MediaTek Dimensity 8400-Ultra
- Main camera
- 50MP
- Battery
- 6,500mAh