Nothing Phone (3a) vs Oppo K12x 5G
Compare Nothing Phone (3a) vs Oppo K12x 5G side by side: MediaTek Dimensity 7350 Pro vs MediaTek Dimensity 6300, 50MP vs 32MP camera, 5200mAh vs 5100mAh…
Nothing
Phone (3a)
$349
11categories won
Oppo
Oppo K12x 5G
$159
2categories won
7 categories tied · 20 scored in total · add a third phone
Which one wins?
Nothing Phone (3a) takes the overall win
The Nothing Phone (3a) claims the overall win over the Oppo K12x 5G, delivering a stronger technical package across gaming and photography. In camera testing, the Phone (3a) leads with sharper imaging, while battery endurance leans towards the Phone (3a). Choose the Phone (3a) if you want the highest performance ceiling, or opt for the Oppo K12x 5G if its lower retail price better fit your budget.
Phone (3a) wins on endurance with 5,200 mAh and 45W fast charging.
Phone (3a) leads gaming and raw performance powered by the MediaTek Dimensity 7350 Pro and 12GB RAM.
Phone (3a) wins photography with 50MP main imaging.
Oppo K12x 5G wins on budget and value at $159 compared to $349.
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.
Phone (3a) vs Oppo K12x 5G: specifications compared
Display
| Specification | Phone (3a) | Oppo K12x 5G |
|---|---|---|
| Screen size | 6.7" | 6.67" |
| Resolution | 1084 x 2412Winner | 720 x 1604 |
| Pixel density | 395 ppiWinner | 264 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1800 nitsWinner | 1000 nits |
Performance
| Specification | Phone (3a) | Oppo K12x 5G |
|---|---|---|
| Chipset | MediaTek Dimensity 7350 Pro | MediaTek Dimensity 6300 |
| Process node | 4 nmWinner | 6 nm |
| AnTuTu score | 2,400,000Winner | 430,000 |
| Geekbench multi | 8900Winner | 2060 |
| Maximum RAM | 12 GBWinner | 8 GB |
| Maximum storage | 256GB | 256GB |
Camera
| Specification | Phone (3a) | Oppo K12x 5G |
|---|---|---|
| Main sensor | 50 MPWinner | 32 MP |
| Rear cameras | 2 | 2 |
| Ultrawide | 12 MP | — |
| Selfie camera | 16 MPWinner | 8 MP |
| Max video | 8K at 30fps / 4K at 120fps | 1080p@30fps |
Battery and charging
| Specification | Phone (3a) | Oppo K12x 5G |
|---|---|---|
| Capacity | 5,200 mAh | 5,100 mAh |
| Wired charging | 45 W | 45 W |
| Wireless charging | 15 WWinner | No |
Design
| Specification | Phone (3a) | Oppo K12x 5G |
|---|---|---|
| Weight | 189 g | 186 g |
| Thickness | 8.4 mm | 7.68 mmWinner |
| Water resistance | IP54 | IP54 / MIL-STD-810H |
| Build | 100% recycled aluminum midframe, translucent polycarbonate rear panel with Glyph LEDs | 360-degree Damage-Proof Armour Body, matte composite back, Panda Glass front |
Software and support
| Specification | Phone (3a) | Oppo K12x 5G |
|---|---|---|
| Operating system | Android 15 | Android 14 |
| OS updates | 3 yearsWinner | 2 years |
| Security updates | 3 years | 3 years |
Connectivity and value
| Specification | Phone (3a) | Oppo K12x 5G |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 7 (802.11be, tri-band 2.4/5/6GHz, 320MHz bandwidth) | Wi-Fi 5 (802.11ac) |
| Storage expansion | None | microSD |
| 3.5mm jack | No | No |
| Launch price | $349 | $159Winner |
Nothing Phone (3a)
Nothing continues its mission to make smartphones fun again with the Phone (3a), pairing its translucent Glyph LED aesthetic with custom Dimensity 7350 Pro power and a bloatware-free Android 15 experience.
- Display
- 6.7"
- Chipset
- MediaTek Dimensity 7350 Pro
- Main camera
- 50MP
- Battery
- 5,200mAh
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