OnePlus Open 3 vs Xiaomi Redmi K70
Compare OnePlus Open 3 vs Xiaomi Redmi K70 side by side: Qualcomm Snapdragon 8 Elite Gen 2 (2nm) vs Qualcomm Snapdragon 8 Gen 2, 5700mAh vs 5000mAh battery…

OnePlus
Open 3
$1,799
7categories won

Xiaomi
Redmi K70
$699
4categories won
2 categories tied · 13 scored in total · add a third phone
Which one wins?
OnePlus Open 3 takes the overall win
The OnePlus Open 3 claims the overall win over the Xiaomi Redmi K70, delivering a stronger technical package across gaming and photography. In camera testing, the Open 3 leads with sharper imaging, while battery endurance leans towards the Open 3. Choose the Open 3 if you want the highest performance ceiling, or opt for the Redmi K70 if its lower retail price better fit your budget.
Open 3 wins on endurance with 5,700 mAh and 80W fast charging.
Open 3 leads gaming and raw performance powered by the Qualcomm Snapdragon 8 Elite Gen 2 (2nm) and 16GB RAM.
Open 3 wins photography with 50MP main imaging and 3x dedicated optical zoom.
Redmi K70 wins on budget and value at $699 compared to $1799.
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.
Open 3 vs Redmi K70: specifications compared
Display
| Specification | Open 3 | Redmi K70 |
|---|---|---|
| Screen size | 7.85" | 6.67" |
| Resolution | 2268 x 2440Winner | 1440 x 3200 |
| Pixel density | 424 ppi | 526 ppiWinner |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 3200 nits | 4000 nitsWinner |
Performance
| Specification | Open 3 | Redmi K70 |
|---|---|---|
| Chipset | Qualcomm Snapdragon 8 Elite Gen 2 (2nm) | Qualcomm Snapdragon 8 Gen 2 |
| Process node | 2 nm | — |
| AnTuTu score | 3,200,000Winner | 1,610,000 |
| Geekbench multi | 10800Winner | 5420 |
| Maximum RAM | 16 GB | — |
| Maximum storage | 1TB | — |
Camera
| Specification | Open 3 | Redmi K70 |
|---|---|---|
| Main sensor | 50 MP | — |
| Rear cameras | 3 | — |
| Optical zoom | 3x | — |
| Ultrawide | 50 MP | — |
| Selfie camera | 32 MPWinner | 16 MP |
| Max video | 8K at 30fps / 4K at 120fps | 8K@24fps |
Battery and charging
| Specification | Open 3 | Redmi K70 |
|---|---|---|
| Capacity | 5,700 mAhWinner | 5,000 mAh |
| Wired charging | 80 W | 120 WWinner |
| Wireless charging | 50 WWinner | No |
Design
| Specification | Open 3 | Redmi K70 |
|---|---|---|
| Weight | 209 g | 209 g |
| Thickness | 5 mmWinner | 8.2 mm |
| Water resistance | IP68 | IP54 |
| Build | Grade 5 Titanium frame, Ceramic Glass front and back | — |
Software and support
| Specification | Open 3 | Redmi K70 |
|---|---|---|
| Operating system | Android 16 | 14 |
| OS updates | 7 years | — |
| Security updates | 7 years | — |
Connectivity and value
| Specification | Open 3 | Redmi K70 |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 7 (802.11be, tri-band 2.4/5/6GHz, 320MHz bandwidth) | Wi-Fi 7 (802.11be) |
| Storage expansion | None | None |
| 3.5mm jack | No | No |
| Launch price | $1,799 | $699Winner |
OnePlus Open 3
Shaving weight down to 209g and folded thickness to 9.8mm, the OnePlus Open 3 sets the golden standard for book-style foldables with a virtually crease-less 7.85-inch LTPO3 canvas, 5,600 mAh battery, and Open Canvas windowing.
- Display
- 7.85"
- Chipset
- Qualcomm Snapdragon 8 Elite Gen 2 (2nm)
- Main camera
- 50MP
- Battery
- 5,700mAh
Xiaomi Redmi K70
Redmi K70 brings premier Snapdragon 8 Gen 2 power, a razor-sharp 2K 4000-nit OLED display with 3840Hz eye-protection PWM dimming, and 120W charging into a hyper-competitive price slot.
- Display
- 6.67"
- Chipset
- Qualcomm Snapdragon 8 Gen 2
- Battery
- 5,000mAh
- Software
- 14