Sapphire Nitro+ Radeon Pro W7800
RDNA 3 · 32 GB GDDR6 · 260 W · Nitro+
Zotac AMP Extreme GeForce RTX 4090
Ada · 24 GB GDDR6X · 450 W · AMP Extreme
Zotac AMP Extreme GeForce RTX 4090 takes it — here’s why.
In our weighted Specdex score, Sapphire Nitro+ Radeon Pro W7800 lands at 86 and Zotac AMP Extreme GeForce RTX 4090 at 97. That puts Zotac AMP Extreme GeForce RTX 4090 ahead by 11 points — a decisive margin driven mostly by its strengths in the categories below.
Pick Sapphire Nitro+ Radeon Pro W7800 if…
- ✓ECC VRAM for professional workloads
- ✓ISV certifications
- ✓Huge framebuffer
Pick Zotac AMP Extreme 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
Zotac AMP Extreme GeForce RTX 4090Traditional rendering throughput at high resolution
Zotac AMP Extreme GeForce RTX 4090 leads on raster (97 vs 81).
Ray tracing
Zotac AMP Extreme GeForce RTX 4090RT-heavy titles with path-traced lighting
Zotac AMP Extreme GeForce RTX 4090 leads on rt (92 vs 86).
AI workloads
Zotac AMP Extreme GeForce RTX 4090Local inference, upscaling, generative tools
Zotac AMP Extreme GeForce RTX 4090 leads on ai (94 vs 87).
Power efficiency
Sapphire Nitro+ Radeon Pro W7800Frames per watt — heat, noise, and PSU sizing
Sapphire Nitro+ Radeon Pro W7800 leads on efficiency (85 vs 73).
Value for money
Zotac AMP Extreme GeForce RTX 4090Specdex score per dollar at MSRP
Zotac AMP Extreme GeForce RTX 4090 more score per dollar ($1,776 vs $2,748).
Score breakdown
Specs side-by-side
| Spec | Sapphire Nitro+ Radeon Pro W7800 | Zotac AMP Extreme GeForce RTX 4090 |
|---|---|---|
| Architecture | RDNA 3 | Ada |
| VRAM | ▲ 32 GB GDDR6 | 24 GB GDDR6X |
| TBP | 260 W | 450 W |
| Release year | 2023 | 2022 |
Sapphire Nitro+ Radeon Pro W7800
- +ECC VRAM for professional workloads
- +ISV certifications
- +Huge framebuffer
- −Expensive per-frame vs consumer
- −Lower gaming clocks
- −Driver optimized for CAD/DCC not games
Zotac AMP Extreme 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: Sapphire Nitro+ Radeon Pro W7800 vs Zotac AMP Extreme GeForce RTX 4090
Which is better, Sapphire Nitro+ Radeon Pro W7800 or Zotac AMP Extreme GeForce RTX 4090? +
Zotac AMP Extreme GeForce RTX 4090 scores 97 on our weighted rubric — ahead by 11. Your best pick depends on the sub-scores above.
Is Sapphire Nitro+ Radeon Pro W7800 worth the price? +
At $2,748, Sapphire Nitro+ Radeon Pro W7800 delivers a Specdex score of 86 — strongest in ai.
Is Zotac AMP Extreme GeForce RTX 4090 worth the price? +
At $1,776, Zotac AMP Extreme GeForce RTX 4090 delivers a Specdex score of 97 — strongest in raster.
Does Sapphire Nitro+ Radeon Pro W7800 or Zotac AMP Extreme 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, Sapphire Nitro+ Radeon Pro W7800 or Zotac AMP Extreme GeForce RTX 4090? +
Zotac AMP Extreme GeForce RTX 4090 — leads on raster (97 vs 81). Traditional rendering throughput at high resolution.
Which is better for ray tracing, Sapphire Nitro+ Radeon Pro W7800 or Zotac AMP Extreme GeForce RTX 4090? +
Zotac AMP Extreme GeForce RTX 4090 — leads on rt (92 vs 86). RT-heavy titles with path-traced lighting.