Radeon RX 7900 XTX vs GeForce RTX 4090
Radeon RX 7900 XTX
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GeForce RTX 4090
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Performance Spectrum - GPU
About G3D Mark
G3D Mark is a standard benchmark that measures graphics performance in real-world gaming scenarios. It simplifies comparing cards from different brands, where higher scores directly correlate with better fps and smoother gaming experiences.
Value Upgrade Path
This is the official ChipVERSUS Value Rating, comparing raw performance (G3D Mark) per dollar. Components placed above yours deliver better value for money.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Radeon RX 7900 XTX
Performance Per Dollar GeForce RTX 4090
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The GeForce RTX 4090 is the superior choice for raw performance. It leads with a 21.8% higher G3D Mark score. This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon RX 7900 XTX.
| Insight | Radeon RX 7900 XTX | GeForce RTX 4090 |
|---|---|---|
| Performance | ❌Lower raw frame rates (-21.8%) | ✅Leading raw performance (+21.8%) |
| Longevity | 🏆Elite Architecture (RDNA 3.0 (2022−2026) / 5nm) | 🏆Elite Architecture (Ada Lovelace (2022−2024) / 5nm) |
| Ecosystem | ✨ FSR 3 / AFMF Support | ✨ DLSS 3/4 + Frame Gen Support |
| VRAM | 🎮 High Capacity (24 GB) | 🎮 High Capacity (24 GB) |
| Efficiency | Normal Efficiency | Normal Efficiency |
| Case Fit | Standard Size (287mm) | Standard Size (304mm) |
💎 Value Proposition
The Radeon RX 7900 XTX offers a compelling cost-to-performance ratio. Priced at $930 versus $1,649 for the GeForce RTX 4090, it costs 44% less. While it maintains lower overall performance, this results in a 45.5% higher cost efficiency score.
| Insight | Radeon RX 7900 XTX | GeForce RTX 4090 |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+45.5%) | ❌Lower cost efficiency |
| Upfront Cost | ✅More affordable ($930) | ⚠️Higher upfront cost ($1,649) |
Performance Check
Real-world benchmarks and performance projections based on comprehensive hardware analysis and comparative metrics. Values represent expected performance on High/Ultra settings at 1080p, 1440p, and 4K. Modeled using a Ryzen 7 7800X3D reference profile to minimize specific CPU bottlenecks.
Note: Performance behavior can vary per game. Specific architectures may perform better or worse depending on game engine optimizations and API implementation.
Technical Specifications
Side-by-side comparison of Radeon RX 7900 XTX and GeForce RTX 4090
Radeon RX 7900 XTX
The Radeon RX 7900 XTX is manufactured by AMD. It was released in November 3 2022. It features the RDNA 3.0 architecture. The core clock ranges from 1929 MHz to 2498 MHz. It has 6144 shading units. The thermal design power (TDP) is 355W. Manufactured using 5 nm process technology. It features 96 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 31,285 points. Launch price was $999.
GeForce RTX 4090
The GeForce RTX 4090 is manufactured by NVIDIA. It was released in September 20 2022. It features the Ada Lovelace architecture. The core clock ranges from 2235 MHz to 2520 MHz. It has 16384 shading units. The thermal design power (TDP) is 450W. Manufactured using 5 nm process technology. It features 128 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 38,112 points. Launch price was $1,599.
Graphics Performance
In G3D Mark, the Radeon RX 7900 XTX scores 31,285 versus the GeForce RTX 4090's 38,112 — the GeForce RTX 4090 leads by 21.8%. The Radeon RX 7900 XTX is built on RDNA 3.0 while the GeForce RTX 4090 uses Ada Lovelace, both on a 5 nm process. Shader units: 6,144 (Radeon RX 7900 XTX) vs 16,384 (GeForce RTX 4090). Raw compute: 61.39 TFLOPS (Radeon RX 7900 XTX) vs 82.58 TFLOPS (GeForce RTX 4090). Boost clocks: 2498 MHz vs 2520 MHz. Ray tracing: 96 RT cores (Radeon RX 7900 XTX) vs 128 (GeForce RTX 4090) vs 512.
| Feature | Radeon RX 7900 XTX | GeForce RTX 4090 |
|---|---|---|
| G3D Mark Score | 31,285 | 38,112+22% |
| Architecture | RDNA 3.0 | Ada Lovelace |
| Process Node | 5 nm | 5 nm |
| Shading Units | 6144 | 16384+167% |
| Compute (TFLOPS) | 61.39 TFLOPS | 82.58 TFLOPS+35% |
| Boost Clock | 2498 MHz | 2520 MHz |
| ROPs | 192+9% | 176 |
| TMUs | 384 | 512+33% |
| L1 Cache | 3 MB | 16 MB+433% |
| L2 Cache | 6 MB | 72 MB+1100% |
| Ray Tracing Cores | 96 | 128+33% |
Advanced Features (DLSS/FSR)
Both cards support modern Frame Generation technology, allowing them to insert intermediate frames to smoothen motion and boost perceived FPS in supported games.
| Feature | Radeon RX 7900 XTX | GeForce RTX 4090 |
|---|---|---|
| Upscaling Tech | FSR 3 (Native) | DLSS 3.5 |
| Frame Generation | FSR 3 / AFMF (Driver) | DLSS 3.0 (Native) |
| Ray Reconstruction | No | Yes (DLSS 3.5) |
| Low Latency | AMD Anti-Lag | NVIDIA Reflex |
Video Memory (VRAM)
Both cards feature 24 GB of video memory. Memory bandwidth: 960 GB/s (Radeon RX 7900 XTX) vs 1008 GB/s (GeForce RTX 4090) — a 5% advantage for the GeForce RTX 4090. Bus width: 384-bit vs 384-bit. L2 Cache: 6 MB (Radeon RX 7900 XTX) vs 72 MB (GeForce RTX 4090) — the GeForce RTX 4090 has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon RX 7900 XTX | GeForce RTX 4090 |
|---|---|---|
| VRAM Capacity | 24 GB | 24 GB |
| Memory Type | GDDR6 | GDDR6X |
| Memory Bandwidth | 960 GB/s | 1008 GB/s+5% |
| Bus Width | 384-bit | 384-bit |
| L2 Cache | 6 MB | 72 MB+1100% |
Display & API Support
DirectX support: 12 Ultimate (Radeon RX 7900 XTX) vs 12.2 (GeForce RTX 4090). Vulkan: 1.4 vs 1.3. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 4 vs 4.
| Feature | Radeon RX 7900 XTX | GeForce RTX 4090 |
|---|---|---|
| DirectX | 12 Ultimate | 12.2+2% |
| Vulkan | 1.4+8% | 1.3 |
| OpenGL | 4.6 | 4.6 |
| Max Displays | 4 | 4 |
Media & Encoding
Hardware encoder: AMD Dual Media Engine (Radeon RX 7900 XTX) vs 8th Gen NVENC (2x) (GeForce RTX 4090). Decoder: AMD Dual Media Engine vs 5th Gen NVDEC. Supported codecs: H.264,H.265/HEVC,AV1,VP9 (Radeon RX 7900 XTX) vs MPEG-2,H.264,HEVC,VP9,AV1 (GeForce RTX 4090).
| Feature | Radeon RX 7900 XTX | GeForce RTX 4090 |
|---|---|---|
| Encoder | AMD Dual Media Engine | 8th Gen NVENC (2x) |
| Decoder | AMD Dual Media Engine | 5th Gen NVDEC |
| Codecs | H.264,H.265/HEVC,AV1,VP9 | MPEG-2,H.264,HEVC,VP9,AV1 |
Power & Dimensions
The Radeon RX 7900 XTX draws 355W versus the GeForce RTX 4090's 450W — a 23.6% difference. The Radeon RX 7900 XTX is more power-efficient. Recommended PSU: 800W (Radeon RX 7900 XTX) vs 1000W (GeForce RTX 4090). Power connectors: 2x 8-pin vs 16-pin (12VHPWR). Card length: 287mm vs 304mm, occupying 2 vs 3 slots. Typical load temperature: 68°C vs 80°C.
| Feature | Radeon RX 7900 XTX | GeForce RTX 4090 |
|---|---|---|
| TDP | 355W-21% | 450W |
| Recommended PSU | 800W-20% | 1000W |
| Power Connector | 2x 8-pin | 16-pin (12VHPWR) |
| Length | 287mm | 304mm |
| Height | 110mm | 137mm |
| Slots | 2-33% | 3 |
| Temp (Load) | 68°C-15% | 80°C |
| Perf/Watt | 88.1+4% | 84.7 |
Value Analysis
The Radeon RX 7900 XTX launched at $999 MSRP and currently averages $930, while the GeForce RTX 4090 launched at $1599 and now averages $1649. The Radeon RX 7900 XTX costs 43.6% less ($719 savings) at current market prices. Performance per dollar (G3D Mark / price): 33.6 (Radeon RX 7900 XTX) vs 23.1 (GeForce RTX 4090) — the Radeon RX 7900 XTX offers 45.5% better value.
| Feature | Radeon RX 7900 XTX | GeForce RTX 4090 |
|---|---|---|
| MSRP | $999-38% | $1599 |
| Avg Price (30d) | $930-44% | $1649 |
| Performance per Dollar | 33.6+45% | 23.1 |
| Codename | Navi 31 | AD102 |
| Release | November 3 2022 | September 20 2022 |
| Ranking | #12 | #4 |
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