ASUS ROG Strix RTX A4000
Ampere · 16 GB GDDR6 ECC · 140 W · ROG Strix
ASUS ROG Strix GeForce RTX 4090
Ada · 24 GB GDDR6X · 450 W · ROG Strix
ASUS ROG Strix GeForce RTX 4090 takes it — here’s why.
In our weighted Specdex score, ASUS ROG Strix RTX A4000 lands at 82 and ASUS ROG Strix GeForce RTX 4090 at 97. That puts ASUS ROG Strix GeForce RTX 4090 ahead by 15 points — a decisive margin driven mostly by its strengths in the categories below.
Pick ASUS ROG Strix RTX A4000 if…
- ✓ECC VRAM for professional workloads
- ✓ISV certifications
- ✓Huge framebuffer
Pick ASUS ROG Strix GeForce RTX 4090 if…
- ✓NVIDIA driver stack
- ✓DLSS support on RTX
- ✓Strong resale value
Winner by scenario
Derived from the sub-score breakdown · not a separate test4K & rasterization
ASUS ROG Strix GeForce RTX 4090Traditional rendering throughput at high resolution
ASUS ROG Strix GeForce RTX 4090 leads on raster (97 vs 77).
Ray tracing
ASUS ROG Strix GeForce RTX 4090RT-heavy titles with path-traced lighting
ASUS ROG Strix GeForce RTX 4090 leads on rt (92 vs 82).
AI workloads
ASUS ROG Strix GeForce RTX 4090Local inference, upscaling, generative tools
ASUS ROG Strix GeForce RTX 4090 leads on ai (94 vs 83).
Power efficiency
ASUS ROG Strix RTX A4000Frames per watt — heat, noise, and PSU sizing
ASUS ROG Strix RTX A4000 leads on efficiency (85 vs 73).
Value for money
ASUS ROG Strix RTX A4000Specdex score per dollar at MSRP
ASUS ROG Strix RTX A4000 more score per dollar ($1,130 vs $1,776).
Score breakdown
Specs side-by-side
| Spec | ASUS ROG Strix RTX A4000 | ASUS ROG Strix GeForce RTX 4090 |
|---|---|---|
| Architecture | Ampere | Ada |
| VRAM | 16 GB GDDR6 ECC | ▲ 24 GB GDDR6X |
| TBP | 140 W | 450 W |
| Release year | 2021 | 2022 |
ASUS ROG Strix RTX A4000
- +ECC VRAM for professional workloads
- +ISV certifications
- +Huge framebuffer
- −Expensive per-frame vs consumer
- −Lower gaming clocks
- −Driver optimized for CAD/DCC not games
ASUS ROG Strix GeForce RTX 4090
- +NVIDIA driver stack
- +DLSS support on RTX
- +Strong resale value
- −Power draw scales with tier
- −Gen-over-gen price creep
- −VRAM gated per tier
FAQ: ASUS ROG Strix RTX A4000 vs ASUS ROG Strix GeForce RTX 4090
Which is better, ASUS ROG Strix RTX A4000 or ASUS ROG Strix GeForce RTX 4090? +
ASUS ROG Strix GeForce RTX 4090 scores 97 on our weighted rubric — ahead by 15. Your best pick depends on the sub-scores above.
Is ASUS ROG Strix RTX A4000 worth the price? +
At $1,130, ASUS ROG Strix RTX A4000 delivers a Specdex score of 82 — strongest in efficiency.
Is ASUS ROG Strix GeForce RTX 4090 worth the price? +
At $1,776, ASUS ROG Strix GeForce RTX 4090 delivers a Specdex score of 97 — strongest in raster.
Does ASUS ROG Strix RTX A4000 or ASUS ROG Strix GeForce RTX 4090 last longer? +
Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.
Which is better for 4K gaming, ASUS ROG Strix RTX A4000 or ASUS ROG Strix GeForce RTX 4090? +
ASUS ROG Strix GeForce RTX 4090 — leads on raster (97 vs 77). Traditional rendering throughput at high resolution.
Which is better for ray tracing, ASUS ROG Strix RTX A4000 or ASUS ROG Strix GeForce RTX 4090? +
ASUS ROG Strix GeForce RTX 4090 — leads on rt (92 vs 82). RT-heavy titles with path-traced lighting.