OPPO K15 Pro+ vs Samsung Galaxy A51
The OPPO K15 Pro+ (2026) runs on the MediaTek Dimensity 9500s, while the Samsung Galaxy A51 (2020) runs on the Exynos 9611; launch prices were $509 and $399. By overall MobileRank rating, the OPPO K15 Pro+ leads — 71/100 vs 34/100 (a 37-point difference). Key differences: the OPPO K15 Pro+ has the bigger battery (8000 mAh vs 4000); the main camera is 50 MP vs 48 MP; the OPPO K15 Pro+ is faster in AnTuTu (3,121,723 vs 355,351); the Samsung Galaxy A51 is noticeably lighter (172g vs 219g).
OPPO K15 Pro+
Samsung Galaxy A51
- Higher AnTuTu: 3121723 vs 355351
- Better Geekbench Single: 2680 vs 365
- Better Geekbench Multi: 8358 vs 1107
- Bigger battery: 8000 vs 4000 mAh
- Better main camera: 50MP vs 48MP
- Higher refresh rate: 165Hz vs 60Hz
- Higher performance (89/100 vs 25/100)
- Longer battery life (75/100 vs 25/100)
- Better display (94/100 vs 51/100)
- Lighter: 172g vs 219g
- Cheaper at launch: $399 vs $509
- Better camera (36/100 vs 35/100)
- Better portability (77/100 vs 44/100)
Comparing the OPPO K15 Pro+ vs the Samsung Galaxy A51, the OPPO K15 Pro+ scores 37 points higher (71/100 vs 34/100). In the "performance" category, the OPPO K15 Pro+ leads (89/100 vs 25/100). In the "battery" category, the OPPO K15 Pro+ leads (75/100 vs 25/100). Value score: OPPO K15 Pro+ — 66/100, Samsung Galaxy A51 — 6/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the OPPO K15 Pro+ significantly outperforms the Samsung Galaxy A51 (89/100 vs 25/100). In the "display" category, the OPPO K15 Pro+ significantly outperforms the Samsung Galaxy A51 (94/100 vs 51/100). In the "camera" category, the Samsung Galaxy A51 and the OPPO K15 Pro+ are nearly equal (36/100 vs 35/100). In the "battery" category, the OPPO K15 Pro+ significantly outperforms the Samsung Galaxy A51 (75/100 vs 25/100). In the "portability" category, the Samsung Galaxy A51 significantly outperforms the OPPO K15 Pro+ (77/100 vs 44/100).
| Specification | OPPO K15 Pro+ | Samsung Galaxy A51 | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9500s | Exynos 9611 | |
| AnTuTu | 3121723 | 355351 | |
| Geekbench Single | 2680 | 365 | |
| Geekbench Multi | 8358 | 1107 | |
| Display | 6.8" AMOLED | 6.5" AMOLED | |
| Resolution | 2772x1272 | — | |
| Refresh rate | 165 Hz | 60 Hz | |
| Battery | 8000 mAh | 4000 mAh | |
| Charging | 100W | — | |
| Main camera | 50 MP | 48 MP | |
| Ultrawide | 8 MP | 0 MP | |
| Front camera | 16 MP | 32 MP | |
| RAM | 12GB | 4GB / 6GB | |
| Storage | 256GB / 512GB | 64GB / 128GB | |
| OS | Android 16 | — | |
| Brightness (peak) | 1800 nits | — | |
| NFC | yes | yes | |
| Protection | IP68 | — | |
| Dimensions | 162.4×77.5×8.3 mm | 158.5×73.6×7.9 mm | |
| Weight | 219 g | 172 g | |
| Launch price | $509 | $399 |
OPPO K15 Pro+
- Main: 50MP f/f/1.8
- Ultrawide: 8MP
- Front: 16MP
Samsung Galaxy A51
- Main: 48MP
- Front: 32MP
OPPO K15 Pro+
- 6.8" AMOLED
- Resolution: 2772x1272
- Refresh rate: 165 Hz
Samsung Galaxy A51
- 6.5" AMOLED
- Refresh rate: 60 Hz
OPPO K15 Pro+
- 8000 mAh
- Wired: 100W
- No wireless charging
Samsung Galaxy A51
- 4000 mAh
- No wireless charging
We compared OPPO K15 Pro+ and Samsung Galaxy A51, covering their specs and all relevant benchmarks.
OPPO K15 Pro+ leads Samsung Galaxy A51 by 778.5% in our overall performance rating.
Launch price difference: $110. Samsung Galaxy A51 was $110 cheaper at launch.
performance
In the "performance" category, the OPPO K15 Pro+ significantly outperforms the Samsung Galaxy A51 (89/100 vs 25/100).
display
In the "display" category, the OPPO K15 Pro+ significantly outperforms the Samsung Galaxy A51 (94/100 vs 51/100).
camera
In the "camera" category, the Samsung Galaxy A51 and the OPPO K15 Pro+ are nearly equal (36/100 vs 35/100).
battery
In the "battery" category, the OPPO K15 Pro+ significantly outperforms the Samsung Galaxy A51 (75/100 vs 25/100).
portability
In the "portability" category, the Samsung Galaxy A51 significantly outperforms the OPPO K15 Pro+ (77/100 vs 44/100).
Which is better: the OPPO K15 Pro+ or the Samsung Galaxy A51?
The OPPO K15 Pro+ significantly outperforms the Samsung Galaxy A51 by 37 points (71/100 vs 34/100).
What is the rating of the OPPO K15 Pro+ and the Samsung Galaxy A51?
The OPPO K15 Pro+ has a MobileRank rating of 71/100, the Samsung Galaxy A51 — 34/100.
Which is more powerful: the OPPO K15 Pro+ or the Samsung Galaxy A51?
The OPPO K15 Pro+ leads on performance (89/100 vs 25/100).
Should you choose the OPPO K15 Pro+ over the Samsung Galaxy A51?
The OPPO K15 Pro+ is a better fit for gamers and power users, those who care about battery life. The Samsung Galaxy A51 is a better fit for everyday use.