ASUS - ROG Astral RTX 5090 OC vs NVIDIA - GeForce RTX 4090 vs NVIDIA - GeForce RTX 5090
Across ASUS - ROG Astral RTX 5090 OC, NVIDIA - GeForce RTX 4090, and NVIDIA - GeForce RTX 5090, the ASUS - ROG Astral RTX 5090 OC takes the highest Mars Score (91.4), followed by NVIDIA - GeForce RTX 5090 (88.5) and NVIDIA - GeForce RTX 4090 (80.3). See the full readout below.
Pick the ASUS - ROG Astral RTX 5090 OC if you want the highest-scoring choice on raw spec strength. The lead is narrow (2.9 points), so the runner-up is a fair alternative if its specific strengths fit your use.
Pick the NVIDIA - GeForce RTX 5090 when you want the same overall quality at a likely lower street price — the score gap is small enough to be invisible day-to-day.
Pick the NVIDIA - GeForce RTX 4090 only if its specific strengths align with what you need — it sits well behind the other two on the Mars Score.
Spec comparison
Core
| Spec | ROG Astral RTX 5090 OC | GeForce RTX 4090 | GeForce RTX 5090 |
|---|---|---|---|
| Chipset | GB202 | AD102 | GB202 |
| Base clockⓘ | 2017 MHz | 2235 MHz | 2017 MHz |
| Boost clockⓘ | 2655 MHz | 2520 MHz | 2407 MHz |
| CUDA / Stream coresⓘ | 21760 | 16384 | 21760 |
| Ray tracing coresⓘ | 170 | 128 | 170 |
Memory
| Spec | ROG Astral RTX 5090 OC | GeForce RTX 4090 | GeForce RTX 5090 |
|---|---|---|---|
| VRAMⓘ | 32 GB | 24 GB | 32 GB |
| VRAM typeⓘ | GDDR7 | GDDR6X | GDDR7 |
| Memory busⓘ | 512 bit | 384 bit | 512 bit |
Power & Form
| Spec | ROG Astral RTX 5090 OC | GeForce RTX 4090 | GeForce RTX 5090 |
|---|---|---|---|
| TDPⓘ | 600 W | 450 W | 575 W |
| Recommended PSUⓘ | 1200 W | 850 W | 1000 W |
| Length | 357 mm | 304 mm | 304 mm |
| Slot size | 4-slot | 3-slot | 2-slot |
Benchmarks
| Spec | ROG Astral RTX 5090 OC | GeForce RTX 4090 | GeForce RTX 5090 |
|---|---|---|---|
| 3DMark Time Spyⓘ | 44000 | 28000 | 32500 |
| DLSSⓘ | true | true | true |
| FSRⓘ | false | false | false |
Pairwise deep dives
Frequently asked
Which scores highest overall: ASUS - ROG Astral RTX 5090 OC, NVIDIA - GeForce RTX 4090, or NVIDIA - GeForce RTX 5090?+
ASUS - ROG Astral RTX 5090 OC scores highest at 91.4, followed by NVIDIA - GeForce RTX 5090 (88.5) and NVIDIA - GeForce RTX 4090 (80.3).
Which is the newest of ASUS - ROG Astral RTX 5090 OC, NVIDIA - GeForce RTX 4090, and NVIDIA - GeForce RTX 5090?+
ASUS - ROG Astral RTX 5090 OC is the most recent, released 2025-01-30.
Which has more VRAM, ASUS - ROG Astral RTX 5090 OC or NVIDIA - GeForce RTX 5090?+
NVIDIA - GeForce RTX 5090 ships with 32GB GDDR7 vs 32GB.
Which scores higher in 3DMark Time Spy, ASUS - ROG Astral RTX 5090 OC or NVIDIA - GeForce RTX 5090?+
ASUS - ROG Astral RTX 5090 OC scores 44000 vs 32500.
Which draws less power, ASUS - ROG Astral RTX 5090 OC or NVIDIA - GeForce RTX 5090?+
NVIDIA - GeForce RTX 5090 draws 575W TDP vs 600W.
One spec at a time
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