Oppo K12x 5G vs Samsung Galaxy S26 Ultra
Compare Oppo K12x 5G vs Samsung Galaxy S26 Ultra side by side: MediaTek Dimensity 6300 vs Qualcomm Snapdragon 8 Elite Gen 5 for Galaxy, 32MP vs 200MP camera…
Oppo
Oppo K12x 5G
$159
2categories won
Samsung
Galaxy S26 Ultra
$1,299
15categories won
3 categories tied · 20 scored in total · add a third phone
Which one wins?
Samsung Galaxy S26 Ultra takes the overall win
The Samsung Galaxy S26 Ultra proves superior overall against the Oppo K12x 5G, outperforming on gaming and photography. In camera testing, the Galaxy S26 Ultra leads with superior optics, while battery endurance leans towards the Galaxy S26 Ultra. Choose the Galaxy S26 Ultra if you want the highest performance ceiling, or opt for the Oppo K12x 5G if its lower retail price better fit your budget.
Galaxy S26 Ultra takes battery honors offering 5,000 mAh alongside 60W charging.
Galaxy S26 Ultra provides greater sustained gaming output with its Qualcomm Snapdragon 8 Elite Gen 5 for Galaxy and 16GB RAM.
Galaxy S26 Ultra takes photography with 200MP optics and 5x optical telephoto capabilities.
Oppo K12x 5G provides a sharper value proposition, coming in at $159 vs $1299.
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 Galaxy S26 Ultra: specifications compared
Display
| Specification | Oppo K12x 5G | Galaxy S26 Ultra |
|---|---|---|
| Screen size | 6.67" | 6.9" |
| Resolution | 720 x 1604 | 1440 x 3120Winner |
| Pixel density | 264 ppi | 498 ppiWinner |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1000 nits | 2400 nitsWinner |
Performance
| Specification | Oppo K12x 5G | Galaxy S26 Ultra |
|---|---|---|
| Chipset | MediaTek Dimensity 6300 | Qualcomm Snapdragon 8 Elite Gen 5 for Galaxy |
| Process node | 6 nm | 3 nmWinner |
| AnTuTu score | 430,000 | 2,400,000Winner |
| Geekbench multi | 2060 | 8900Winner |
| Maximum RAM | 8 GB | 16 GBWinner |
| Maximum storage | 256GB | 1TBWinner |
Camera
| Specification | Oppo K12x 5G | Galaxy S26 Ultra |
|---|---|---|
| Main sensor | 32 MP | 200 MPWinner |
| Rear cameras | 2 | 4Winner |
| Optical zoom | — | 5x |
| Ultrawide | — | 50 MP |
| Selfie camera | 8 MP | 12 MPWinner |
| Max video | 1080p@30fps | — |
Battery and charging
| Specification | Oppo K12x 5G | Galaxy S26 Ultra |
|---|---|---|
| Capacity | 5,100 mAh | 5,000 mAh |
| Wired charging | 45 W | 60 WWinner |
| Wireless charging | No | 25 WWinner |
Design
| Specification | Oppo K12x 5G | Galaxy S26 Ultra |
|---|---|---|
| Weight | 186 gWinner | 214 g |
| Thickness | 7.68 mm | 7.9 mm |
| Water resistance | IP54 / MIL-STD-810H | IP68 |
| Build | 360-degree Damage-Proof Armour Body, matte composite back, Panda Glass front | Glass front, glass back, aluminum frame |
Software and support
| Specification | Oppo K12x 5G | Galaxy S26 Ultra |
|---|---|---|
| Operating system | Android 14 | Android 16 |
| OS updates | 2 years | 7 yearsWinner |
| Security updates | 3 years | 7 yearsWinner |
Connectivity and value
| Specification | Oppo K12x 5G | Galaxy S26 Ultra |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 5 (802.11ac) | — |
| Storage expansion | microSD | None |
| 3.5mm jack | No | No |
| Launch price | $159Winner | $1,299 |
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
Samsung Galaxy S26 Ultra
The Samsung Galaxy S26 Ultra is a premium 6.9-inch flagship built for power users and creators. Priced at $1299, it pairs a heavily upgraded Snapdragon processor and 60W charging with a versatile quad-camera array and the signature built-in S Pen stylus.
- Display
- 6.9"
- Chipset
- Qualcomm Snapdragon 8 Elite Gen 5 for Galaxy
- Main camera
- 200MP
- Battery
- 5,000mAh