ASUS ROG Phone II ZS660KL vs Samsung Galaxy Z Flip8
The ASUS ROG Phone II ZS660KL (2019) runs on the Qualcomm Snapdragon 855+, while the Samsung Galaxy Z Flip8 (2026) runs on the Exynos 2600; launch prices were $899 and $1099. By overall MobileRank rating, the Samsung Galaxy Z Flip8 leads — 66/100 vs 52/100 (a 14-point difference). Key differences: the ASUS ROG Phone II ZS660KL has the bigger battery (6000 mAh vs 4300); the main camera is 48 MP vs 50 MP; the Samsung Galaxy Z Flip8 is faster in AnTuTu (3,113,347 vs 859,084); the Samsung Galaxy Z Flip8 is noticeably lighter (180g vs 240g).
Profile comparison
Category scores
ASUS ROG Phone II ZS660KL
Samsung Galaxy Z Flip8
What makes ASUS ROG Phone II ZS660KL better?
- Bigger battery: 6000 vs 4300 mAh
- Faster charging: 30W vs 25W
- Cheaper at launch: $899 vs $1099
- Better camera (39/100 vs 35/100)
- Longer battery life (53/100 vs 37/100)
What makes Samsung Galaxy Z Flip8 better?
- Higher AnTuTu: 3113347 vs 859084
- Better Geekbench Single: 3235 vs 1031
- Better Geekbench Multi: 10904 vs 2864
- Better main camera: 50MP vs 48MP
- Lighter: 180g vs 240g
- Higher performance (93/100 vs 55/100)
- Better display (80/100 vs 79/100)
- Better portability (80/100 vs 20/100)
Comparison verdict
Comparing the ASUS ROG Phone II ZS660KL vs the Samsung Galaxy Z Flip8, the Samsung Galaxy Z Flip8 scores 14 points higher (66/100 vs 52/100). In the "performance" category, the Samsung Galaxy Z Flip8 leads (93/100 vs 55/100). In the "battery" category, the ASUS ROG Phone II ZS660KL leads (53/100 vs 37/100). Value score: ASUS ROG Phone II ZS660KL — 16/100, Samsung Galaxy Z Flip8 — 42/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, the Samsung Galaxy Z Flip8 significantly outperforms the ASUS ROG Phone II ZS660KL (93/100 vs 55/100). In the "display" category, the Samsung Galaxy Z Flip8 and the ASUS ROG Phone II ZS660KL are nearly equal (80/100 vs 79/100). In the "camera" category, the ASUS ROG Phone II ZS660KL and the Samsung Galaxy Z Flip8 are nearly equal (39/100 vs 35/100). In the "battery" category, the ASUS ROG Phone II ZS660KL notably outperforms the Samsung Galaxy Z Flip8 (53/100 vs 37/100). In the "portability" category, the Samsung Galaxy Z Flip8 significantly outperforms the ASUS ROG Phone II ZS660KL (80/100 vs 20/100).
Specs comparison
| Specification | ASUS ROG Phone II ZS660KL | Samsung Galaxy Z Flip8 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 855+ | Exynos 2600 | |
| AnTuTu | 859084 | 3113347 | |
| Geekbench Single | 1031 | 3235 | |
| Geekbench Multi | 2864 | 10904 | |
| Display | 6.6" AMOLED | 6.9" Foldable Dynamic LTPO AMOLED 2X | |
| Resolution | 1080x2340 | 1080x2520 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 6000 mAh | 4300 mAh | |
| Charging | 30W | 25W | |
| Wireless charging | 0W | 15W | |
| Main camera | 48 MP | 50 MP | |
| Ultrawide | 13 MP | 12 MP | |
| Front camera | 24 MP | 10 MP | |
| RAM | 8GB / 12GB | 12GB | |
| Storage | 128GB / 256GB / 512GB / 1TB | 256GB / 512GB | |
| OS | Android 9.0 / ROG UI | Android 16 / One UI 8.5 | |
| Brightness (peak) | — | 2600 nits | |
| NFC | yes | yes | |
| Protection | — | IP48 | |
| Dimensions | 171.0×77.6×9.5 mm | — | |
| Weight | 240 g | 180 g | |
| Launch price | $899 | $1099 |
Camera comparison
ASUS ROG Phone II ZS660KL
- Main: 48MP f/1.8
- Ultrawide: 13MP
- Front: 24MP
Samsung Galaxy Z Flip8
- Main: 50MP f/1.8
- Ultrawide: 12MP
- Front: 10MP
Display comparison
ASUS ROG Phone II ZS660KL
- 6.6" AMOLED
- Resolution: 1080x2340
- Refresh rate: 120 Hz
Samsung Galaxy Z Flip8
- 6.9" Foldable Dynamic LTPO AMOLED 2X
- Resolution: 1080x2520
- Refresh rate: 120 Hz
Battery and charging
ASUS ROG Phone II ZS660KL
- 6000 mAh
- Wired: 30W
- No wireless charging
Samsung Galaxy Z Flip8
- 4300 mAh
- Wired: 25W
- Wireless: 15W
Overall performance score
We compared ASUS ROG Phone II ZS660KL and Samsung Galaxy Z Flip8, covering their specs and all relevant benchmarks.
Samsung Galaxy Z Flip8 leads ASUS ROG Phone II ZS660KL by 72.4% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $200. ASUS ROG Phone II ZS660KL was $200 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Samsung Galaxy Z Flip8 significantly outperforms the ASUS ROG Phone II ZS660KL (93/100 vs 55/100).
display
In the "display" category, the Samsung Galaxy Z Flip8 and the ASUS ROG Phone II ZS660KL are nearly equal (80/100 vs 79/100).
camera
In the "camera" category, the ASUS ROG Phone II ZS660KL and the Samsung Galaxy Z Flip8 are nearly equal (39/100 vs 35/100).
battery
In the "battery" category, the ASUS ROG Phone II ZS660KL notably outperforms the Samsung Galaxy Z Flip8 (53/100 vs 37/100).
portability
In the "portability" category, the Samsung Galaxy Z Flip8 significantly outperforms the ASUS ROG Phone II ZS660KL (80/100 vs 20/100).
Frequently asked questions
Which is better: the ASUS ROG Phone II ZS660KL or the Samsung Galaxy Z Flip8?
The Samsung Galaxy Z Flip8 is noticeably better than the ASUS ROG Phone II ZS660KL — the overall rating gap is 14 points.
What is the rating of the ASUS ROG Phone II ZS660KL and the Samsung Galaxy Z Flip8?
The ASUS ROG Phone II ZS660KL has a MobileRank rating of 52/100, the Samsung Galaxy Z Flip8 — 66/100.
Which is more powerful: the ASUS ROG Phone II ZS660KL or the Samsung Galaxy Z Flip8?
The Samsung Galaxy Z Flip8 leads on performance (93/100 vs 55/100).
Should you choose the ASUS ROG Phone II ZS660KL over the Samsung Galaxy Z Flip8?
The Samsung Galaxy Z Flip8 is a better fit for gamers and power users.