Looking for an honest OnePlus 12 vs Samsung Galaxy A15 5G 6.5'' - Blue comparison in 2026? We scored both smartphones on the same six-dimension framework — performance, battery, display, camera, design and value — using identical methodology, so the numbers below are directly comparable. In our overall scoring the OnePlus 12 comes out ahead 67/100 to 57/100 — a 10-point gap. The widest gap is in camera quality, where the OnePlus 12 pulls noticeably ahead. On price the Samsung Galaxy A15 5G 6.5'' - Blue undercuts the OnePlus 12 by 602% ($128 vs $899), which materially changes the value calculus for budget-conscious buyers.

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OnePlus 12 edges out the Samsung Galaxy A15 5G 6.5'' - Blue in the smartphones category, especially in camera (camera score 140 vs 62), scoring 67 vs 57. If you want the better overall smartphones, OnePlus 12 is the recommended choice.
Picking OnePlus 12 over Samsung Galaxy A15 5G 6.5'' - Blue means trading these off.
OnePlus
$899
Scores are relative within the smartphonescategory. Percentages show each dimension's weight in the overall score. A difference of less than 0.5 points is considered a tie.
✓ Pros
✗ Cons
✓ Pros
✗ Cons
| Spec | OnePlus 12W | Samsung Galaxy A15 5G 6.5'' - Blue |
|---|---|---|
| Display | 6.7"✓ | 6.5" |
| Display Type | OLED | — |
| Resolution | 3216 x 1440 | — |
| Refresh Rate | 120Hz | 120Hz |
| Brightness | 1400nits | — |
| Chipset | Snapdragon 8 Gen 3 | Exynos 1280 |
| RAM | 12GB | 12GB |
| Storage | 512GB | 512GB |
| Main Camera | 50MP | 50MP |
| Front Camera | 32MP | — |
| Battery | 5000mAh | 5000mAh |
| Charging | 100W✓ | 15W |
| OS | Android 14 | — |
| Wi-Fi | Wi-Fi 7 | — |
| Bluetooth | 5.3 | — |
| NFC | Yes | — |
| Water Resistance | IP68 | — |
| Weight | 205g | 205g |
| Colors | Black, White | — |
| Price | 899$ | 128$✓ |
Buy OnePlus 12 if…
Buy the OnePlus 12 if you want the best performance in this comparison. It scores higher overall and is the recommended choice for most buyers.
Buy Samsung Galaxy A15 5G 6.5'' - Blue if…
Choose the Samsung Galaxy A15 5G 6.5'' - Blue if budget is your top priority — it offers competitive specs at a lower price point.
OnePlus 12 edges out the Samsung Galaxy A15 5G 6.5'' - Blue in the smartphones category, especially in camera (camera score 140 vs 62), scoring 67 vs 57. If you want the better overall smartphones, OnePlus 12 is the recommended choice.
Yes, OnePlus 12 scores higher overall (67 vs 82).
Samsung Galaxy A15 5G 6.5'' - Blue is cheaper at $128 vs $899 for the OnePlus 12.
Buy the OnePlus 12 if you want the best performance in this comparison. It scores higher overall and is the recommended choice for most buyers.
Choose the Samsung Galaxy A15 5G 6.5'' - Blue if budget is your top priority — it offers competitive specs at a lower price point.
Both have the same 5000mAh battery.
OnePlus 12 has the larger display (6.7" vs 6.5").
Reviewed by VersusMatrix Editorial Team
Last updated: June 1, 2026
Methodology: AI-powered analysis of technical specifications from manufacturer data. Scores are calculated by comparing products across multiple dimensions and normalized relative to the full category database. Our editorial process is independent and not influenced by affiliate partnerships.