Xiaomi Redmi 12C vs Xiaomi Redmi K70 Ultra
Compare Xiaomi Redmi 12C vs Xiaomi Redmi K70 Ultra side by side: MediaTek Helio G85 vs MediaTek Dimensity 9300+ (4 nm), 5000mAh vs 5500mAh battery, $699 vs…

Xiaomi
Redmi 12C
$699
1categories won

Xiaomi
Redmi K70 Ultra
$499
12categories won
13 scored in total · add a third phone
Which one wins?
Xiaomi Redmi K70 Ultra takes the overall win
The Xiaomi Redmi K70 Ultra proves superior overall against the Xiaomi Redmi 12C, outperforming on gaming and photography. In camera testing, the Redmi K70 Ultra leads with superior optics, while battery endurance leans towards the Redmi K70 Ultra. Choose the Redmi K70 Ultra if you want the highest performance ceiling, or opt for the Redmi 12C if its specific hardware strengths better fit your budget.
Redmi K70 Ultra takes battery honors offering 5,500 mAh alongside 120W charging.
Redmi K70 Ultra provides greater sustained gaming output with its MediaTek Dimensity 9300+ (4 nm) and 24GB RAM.
Redmi K70 Ultra takes photography with 50MP optics.
Redmi K70 Ultra wins on budget and value at $499 compared to $699.
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.
Redmi 12C vs Redmi K70 Ultra: specifications compared
Display
| Specification | Redmi 12C | Redmi K70 Ultra |
|---|---|---|
| Screen size | 6.71" | 6.67" |
| Resolution | 720 x 1650 | 1220 x 2712Winner |
| Pixel density | 268 ppi | 446 ppiWinner |
| Refresh rate | 60 Hz | 144 HzWinner |
| Peak brightness | 500 nits | 4000 nitsWinner |
Performance
| Specification | Redmi 12C | Redmi K70 Ultra |
|---|---|---|
| Chipset | MediaTek Helio G85 | MediaTek Dimensity 9300+ (4 nm) |
| Process node | — | 4 nm |
| AnTuTu score | 255,000 | 3,200,000Winner |
| Geekbench multi | 1370 | 10800Winner |
| Maximum RAM | — | 24 GB |
| Maximum storage | — | 1TB |
Camera
| Specification | Redmi 12C | Redmi K70 Ultra |
|---|---|---|
| Main sensor | — | 50 MP |
| Rear cameras | — | 3 |
| Ultrawide | — | 8 MP |
| Selfie camera | 5 MP | 20 MPWinner |
| Max video | 1080p@30fps | 8K at 24fps |
Battery and charging
| Specification | Redmi 12C | Redmi K70 Ultra |
|---|---|---|
| Capacity | 5,000 mAh | 5,500 mAhWinner |
| Wired charging | 10 W | 120 WWinner |
| Wireless charging | No | 25 WWinner |
Design
| Specification | Redmi 12C | Redmi K70 Ultra |
|---|---|---|
| Weight | 192 gWinner | 211 g |
| Thickness | 8.8 mm | 8.39 mmWinner |
| Water resistance | IP52 | IP68 |
| Build | — | High-strength aluminum alloy frame, Xiaomi Longjing Glass front, glass back |
Software and support
| Specification | Redmi 12C | Redmi K70 Ultra |
|---|---|---|
| Operating system | 12 (Upgradable to 14, MIUI 14) | Android 14 (HyperOS) |
| OS updates | — | 4 years |
| Security updates | — | 4 years |
Connectivity and value
| Specification | Redmi 12C | Redmi K70 Ultra |
|---|---|---|
| 5G | No | 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 | $699 | $499Winner |
Xiaomi Redmi 12C
Xiaomi Redmi 12C offers incredible budget value with a large 6.71-inch immersive screen, 50MP f/1.8 primary camera, MediaTek Helio G85 octa-core processor, and long-lasting 5000mAh battery.
- Display
- 6.71"
- Chipset
- MediaTek Helio G85
- Battery
- 5,000mAh
- Software
- 12 (Upgradable to 14, MIUI 14)
Xiaomi Redmi K70 Ultra
The Xiaomi Redmi K70 Ultra captured global acclaim by equipping MediaTek’s All-Big-Core Dimensity 9300+ processor with an independent D1 graphics chip, 144Hz 4000-nit screen, IP68 water resistance, and 120W HyperCharge under $500.
- Display
- 6.67"
- Chipset
- MediaTek Dimensity 9300+ (4 nm)
- Main camera
- 50MP
- Battery
- 5,500mAh