🎮 Gaming Performance
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At 4K Ultra, RTX 5090 averages around 270 FPS, compared to RX 7900 XTX’s 163 FPS, representing a ~66% lead at UHD resolution.
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Overall across multiple games, RTX 5090 delivers around 30–40% higher frame rates than RX 7900 XTX in rasterized titles.
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Tech4Gamers reports specific instances like Warhammer 40K: Space Marine 2, with RTX 5090 hitting ~125 FPS vs RX 7900 XTX’s 89 FPS (~40% difference); Star Wars Jedi: Survivor ~102 vs ~60 FPS (~70% gap).
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A Plague Tale: Requiem sees ~128 FPS on RTX 5090 compared to ~70 FPS on RX 7900 XTX (+83%).
🌟 Ray Tracing & Upscaling
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RTX 5090 shines in RT: in tests such as Black Myth Wukong, RTX 5090 delivers ~110 FPS full RT with upscaling, while RX 7900 XTX manages only ~10 FPS (over 900% difference).
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Marvel Rivals with DLSS 4/MFG: RTX 5090 averages ~418 FPS vs RX's ~148 FPS (~182% difference).
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NVIDIA’s DLSS 4 and Multi-Frame Generation outperform AMD’s FSR 2 or 3 in both image quality and frame-rate consistency on RTX 5090.
⚡ Specs & Power Efficiency
|| RTX 5090 | RX 7900 XTX |
| GPU Architecture | Blackwell, GDDR7, 512‑bit | RDNA 3, GDDR6, 384‑bit |
| CUDA / Stream Cores | 21,760 CUDA cores | 6,144 stream processors |
| Theoretical FLOPS | 104.8 TFLOPS | ~61 TFLOPS |
| Memory | 32 GB GDDR7 @ 28 Gbps | 24 GB GDDR6 @ ~20 Gbps |
| Max Power Draw | 575 W | ~355 W |
| Recommended PSU | ~950 W | ~800 W |
| MSRP at Launch | $1,999 | $999 |
These specs reflect RTX 5090’s dominance in raw throughput, ray tracing, and memory bandwidth—a result of Blackwell’s advancements and GDDR7 memory.
🤖 AI & Compute Performance
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RTX 5090 delivers substantially stronger AI and compute performance thanks to Blackwell’s fifth-gen tensor cores and higher core count.
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AMD’s RX 7900 XTX, while capable, lags behind on synthetic benchmarks like 3DMark Steel and on AI workloads; RTX 5090 scores up to 70–78% higher in compute-focused tests.
✅ Pros & ❌ Cons Table
Feature | RTX 5090 | RX 7900 XTX |
---|---|---|
Raster/Game Performance | ~30–70% faster at 4K/1440p | Strong raster at lower cost |
Ray Tracing & DLSS 4 | Exceptional performance | RT limited; relies on FSR |
AI / Compute Workloads | Leading-edge tensor throughput | Noticeably slower |
Power Efficiency | High TDP, heavy power draw | More efficient (~355 W) |
Price-to-Performance | High cost with premium output | Excellent value per dollar |
🔍 Conclusion: Which GPU to Choose?
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RTX 5090 is the undisputed flagship champion for ultra-high gaming, ray tracing, frame generation, and AI workloads—making it the choice for enthusiasts and professionals needing maximum performance.
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RX 7900 XTX remains an outstanding value, offering solid raster gaming performance at half the price—but it cannot match RTX 5090 in RT, AI tasks, or raw throughput.
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If budget is flexible and you're targeting top-tier 4K gaming with DLSS 4 and compute workloads, RTX 5090 is the upgrade to pick. But for tight budgets or strong raster performance alone, RX 7900 XTX still delivers compelling bang for your buck.