GeForce RTX 4090
Ada · 24 GB GDDR6X · 450 W
RTX A4500
Ampere · 20 GB GDDR6 ECC · 200 W
GeForce RTX 4090 takes it — here’s why.
In our weighted Specdex score, GeForce RTX 4090 lands at 97 and RTX A4500 at 84. That puts GeForce RTX 4090 ahead by 13 points — a decisive margin driven mostly by its strengths in the categories below.
Pick GeForce RTX 4090 if…
- ✓NVIDIA driver stack
- ✓DLSS support on RTX
- ✓Strong resale value
Pick RTX A4500 if…
- ✓ECC VRAM for professional workloads
- ✓ISV certifications
- ✓Huge framebuffer
Winner by scenario
Derived from the sub-score breakdown · not a separate test4K & rasterization
GeForce RTX 4090Traditional rendering throughput at high resolution
GeForce RTX 4090 leads on raster (97 vs 79).
Ray tracing
GeForce RTX 4090RT-heavy titles with path-traced lighting
GeForce RTX 4090 leads on rt (92 vs 84).
AI workloads
GeForce RTX 4090Local inference, upscaling, generative tools
GeForce RTX 4090 leads on ai (94 vs 85).
Power efficiency
RTX A4500Frames per watt — heat, noise, and PSU sizing
RTX A4500 leads on efficiency (85 vs 73).
Value for money
GeForce RTX 4090Specdex score per dollar at MSRP
GeForce RTX 4090 more score per dollar ($1,599 vs $2,000).
Score breakdown
Specs side-by-side
| Spec | GeForce RTX 4090 | RTX A4500 |
|---|---|---|
| Architecture | Ada | Ampere |
| VRAM | ▲ 24 GB GDDR6X | 20 GB GDDR6 ECC |
| TBP | 450 W | 200 W |
| Release year | 2022 | 2021 |
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
RTX A4500
- +ECC VRAM for professional workloads
- +ISV certifications
- +Huge framebuffer
- −Expensive per-frame vs consumer
- −Lower gaming clocks
- −Driver optimized for CAD/DCC not games
FAQ: GeForce RTX 4090 vs RTX A4500
Which is better, GeForce RTX 4090 or RTX A4500? +
GeForce RTX 4090 scores 97 on our weighted rubric — ahead by 13. Your best pick depends on the sub-scores above.
Is GeForce RTX 4090 worth the price? +
At $1,599, GeForce RTX 4090 delivers a Specdex score of 97 — strongest in raster.
Is RTX A4500 worth the price? +
At $2,000, RTX A4500 delivers a Specdex score of 84 — strongest in ai.
Does GeForce RTX 4090 or RTX A4500 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, GeForce RTX 4090 or RTX A4500? +
GeForce RTX 4090 — leads on raster (97 vs 79). Traditional rendering throughput at high resolution.
Which is better for ray tracing, GeForce RTX 4090 or RTX A4500? +
GeForce RTX 4090 — leads on rt (92 vs 84). RT-heavy titles with path-traced lighting.