ASUS ROG Strix XG309CM vs Dell Alienware AW2521HF
ASUS ROG Strix XG309CM
29.5″ · 2560×1080 · 220 Hz · IPSDell Alienware AW2521HF
24.5″ · 1920×1080 · 240 Hz · IPSASUS ROG Strix XG309CM and Dell Alienware AW2521HF are neck and neck on specs: gear scores 76 and 76.
- Resolution: ASUS ROG Strix XG309CM leads (2560×1080 vs 1920×1080).
- Refresh rate: Dell Alienware AW2521HF leads (240 Hz vs 220 Hz).
ASUS ROG Strix XG309CM
If you care most about resolution.
Dell Alienware AW2521HF
If you care most about refresh rate.
Spec-by-spec comparison
| ASUS ROG Strix XG309CM | Dell Alienware AW2521HF | |
|---|---|---|
| 76 | Gear score | 76 |
| 29.5″ | Screen size | 24.5″ |
| 2560×1080 | Resolution | 1920×1080 |
| 220 Hz | Refresh rate | 240 Hz |
| IPS | Panel | IPS |
| 1 ms | Response time | 1 ms |
| — | Estimated price | ≈ $600 |
The gear score is computed from specifications only (e.g. for a mouse: weight, sensor, polling rate, connection and release year). It isn’t a lab test and doesn’t measure personal preferences like shape or grip.
Which one adds more to your setup?
The scanner finds your graphics card, CPU, RAM, monitor, mouse and keyboard in under a minute. You get a score out of 100, estimated FPS in games, a bottleneck check and upgrade tips made for you.
FAQ
Is ASUS ROG Strix XG309CM or Dell Alienware AW2521HF better?
ASUS ROG Strix XG309CM and Dell Alienware AW2521HF are neck and neck on specs: gear scores 76 and 76. Resolution: ASUS ROG Strix XG309CM leads (2560×1080 vs 1920×1080). Refresh rate: Dell Alienware AW2521HF leads (240 Hz vs 220 Hz).
Which has the higher refresh rate?
Refresh rate: Dell Alienware AW2521HF leads (240 Hz vs 220 Hz).