Radeon RX 7900 GRE vs GeForce RTX 3090
Radeon RX 7900 GRE
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GeForce RTX 3090
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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 GRE
Performance Per Dollar GeForce RTX 3090
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Radeon RX 7900 GRE is the superior choice for raw performance. It leads with a 2.1% higher G3D Mark score. However, the GeForce RTX 3090 offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.
| Insight | Radeon RX 7900 GRE | GeForce RTX 3090 |
|---|---|---|
| Performance | ✅Leading raw performance (+2.1%) | ❌Lower raw frame rates (-2.1%) |
| Longevity | 🏆Elite Architecture (RDNA 3.0 / 5nm) | 🔮Strong Longevity (Ampere (2020−2025) / 8nm) |
| Ecosystem | ✨ FSR 3 / AFMF Support | ✨ DLSS 2 Upscaling |
| VRAM | 🎮 High Capacity (16 GB) | 🎮 High Capacity (24 GB) |
| Efficiency | 💡 Excellent Perf/Watt | ⚡ Higher Power Consumption |
| Case Fit | Standard Size (276mm) | Standard Size (312mm) |
💎 Value Proposition
The Radeon RX 7900 GRE offers a compelling cost-to-performance ratio. Priced at $540 versus $900 for the GeForce RTX 3090, it costs 40% less. While it maintains competitive performance, this results in a 70.2% higher cost efficiency score.
| Insight | Radeon RX 7900 GRE | GeForce RTX 3090 |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+70.2%) | ❌Lower cost efficiency |
| Upfront Cost | ✅More affordable ($540) | ⚠️Higher upfront cost ($900) |
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 GRE and GeForce RTX 3090
Radeon RX 7900 GRE
The Radeon RX 7900 GRE is manufactured by AMD. It was released in July 27 2023. It features the RDNA 3.0 architecture. The core clock ranges from 1287 MHz to 2245 MHz. It has 5120 shading units. The thermal design power (TDP) is 260W. Manufactured using 5 nm process technology. It features 80 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 27,162 points. Launch price was $549.
GeForce RTX 3090
The GeForce RTX 3090 is manufactured by NVIDIA. It was released in September 1 2020. It features the Ampere architecture. The core clock ranges from 1395 MHz to 1695 MHz. It has 10496 shading units. The thermal design power (TDP) is 350W. Manufactured using 8 nm process technology. It features 82 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 26,594 points. Launch price was $1,499.
Graphics Performance
The Radeon RX 7900 GRE scores 27,162 and the GeForce RTX 3090 reaches 26,594 in the G3D Mark benchmark — just a 2.1% difference, making them near-identical in rasterization performance. The Radeon RX 7900 GRE is built on RDNA 3.0 while the GeForce RTX 3090 uses Ampere, both on 5 nm vs 8 nm. Shader units: 5,120 (Radeon RX 7900 GRE) vs 10,496 (GeForce RTX 3090). Raw compute: 45.98 TFLOPS (Radeon RX 7900 GRE) vs 35.58 TFLOPS (GeForce RTX 3090). Boost clocks: 2245 MHz vs 1695 MHz. Ray tracing: 80 RT cores (Radeon RX 7900 GRE) vs 82 (GeForce RTX 3090) vs 328.
| Feature | Radeon RX 7900 GRE | GeForce RTX 3090 |
|---|---|---|
| G3D Mark Score | 27,162+2% | 26,594 |
| Architecture | RDNA 3.0 | Ampere |
| Process Node | 5 nm | 8 nm |
| Shading Units | 5120 | 10496+105% |
| Compute (TFLOPS) | 45.98 TFLOPS+29% | 35.58 TFLOPS |
| Boost Clock | 2245 MHz+32% | 1695 MHz |
| ROPs | 160+43% | 112 |
| TMUs | 320 | 328+3% |
| L1 Cache | 2.5 MB | 10.3 MB+312% |
| L2 Cache | 6 MB | 6 MB |
| Ray Tracing Cores | 80 | 82+3% |
Advanced Features (DLSS/FSR)
A critical advantage for the Radeon RX 7900 GRE is support for FSR 3 / AFMF. This allows it to generate entire frames using AI/Algorithms, essentially doubling the frame rate in CPU-bound scenarios or heavy ray-tracing titles. The GeForce RTX 3090 lacks specific hardware/driver support for this native frame generation tier.
| Feature | Radeon RX 7900 GRE | GeForce RTX 3090 |
|---|---|---|
| Upscaling Tech | FSR 3 (Native) | DLSS 2.0 |
| Frame Generation | FSR 3 / AFMF (Driver) | FSR 3 / AFMF (Compatible) |
| Ray Reconstruction | No | No |
| Low Latency | AMD Anti-Lag | NVIDIA Reflex |
Video Memory (VRAM)
The Radeon RX 7900 GRE comes with 16 GB of VRAM, while the GeForce RTX 3090 has 24 GB. The GeForce RTX 3090 offers 50% more capacity, crucial for higher resolutions and texture-heavy games. Memory bandwidth: 576 GB/s (Radeon RX 7900 GRE) vs 936 GB/s (GeForce RTX 3090) — a 62.5% advantage for the GeForce RTX 3090. Bus width: 256-bit vs 384-bit.
| Feature | Radeon RX 7900 GRE | GeForce RTX 3090 |
|---|---|---|
| VRAM Capacity | 16 GB | 24 GB+50% |
| Memory Type | GDDR6 | GDDR6X |
| Memory Bandwidth | 576 GB/s | 936 GB/s+63% |
| Bus Width | 256-bit | 384-bit+50% |
| L2 Cache | 6 MB | 6 MB |
Display & API Support
DirectX support: 12 Ultimate (Radeon RX 7900 GRE) vs 12 Ultimate (GeForce RTX 3090). Vulkan: 1.3 vs 1.4. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 4 vs 4.
| Feature | Radeon RX 7900 GRE | GeForce RTX 3090 |
|---|---|---|
| DirectX | 12 Ultimate | 12 Ultimate |
| Vulkan | 1.3 | 1.4+8% |
| OpenGL | 4.6 | 4.6 |
| Max Displays | 4 | 4 |
Media & Encoding
Hardware encoder: VCN 4.0 (Radeon RX 7900 GRE) vs NVENC 7th gen (GeForce RTX 3090). Decoder: VCN 4.0 vs NVDEC 5th gen. Supported codecs: AV1,H.264,H.265/HEVC (Radeon RX 7900 GRE) vs H.264,H.265/HEVC,AV1 (GeForce RTX 3090).
| Feature | Radeon RX 7900 GRE | GeForce RTX 3090 |
|---|---|---|
| Encoder | VCN 4.0 | NVENC 7th gen |
| Decoder | VCN 4.0 | NVDEC 5th gen |
| Codecs | AV1,H.264,H.265/HEVC | H.264,H.265/HEVC,AV1 |
Power & Dimensions
The Radeon RX 7900 GRE draws 260W versus the GeForce RTX 3090's 350W — a 29.5% difference. The Radeon RX 7900 GRE is more power-efficient. Recommended PSU: 750W (Radeon RX 7900 GRE) vs 750W (GeForce RTX 3090). Power connectors: 2x 8-pin vs 2x 8-pin. Card length: 276mm vs 312mm, occupying 2 vs 3 slots. Typical load temperature: 60°C vs 85°C.
| Feature | Radeon RX 7900 GRE | GeForce RTX 3090 |
|---|---|---|
| TDP | 260W-26% | 350W |
| Recommended PSU | 750W | 750W |
| Power Connector | 2x 8-pin | 2x 8-pin |
| Length | 276mm | 312mm |
| Height | 111mm | 140mm |
| Slots | 2-33% | 3 |
| Temp (Load) | 60°C-29% | 85°C |
| Perf/Watt | 104.5+38% | 76.0 |
Value Analysis
The Radeon RX 7900 GRE launched at $549 MSRP and currently averages $540, while the GeForce RTX 3090 launched at $1499 and now averages $900. The Radeon RX 7900 GRE costs 40% less ($360 savings) at current market prices. Performance per dollar (G3D Mark / price): 50.3 (Radeon RX 7900 GRE) vs 29.5 (GeForce RTX 3090) — the Radeon RX 7900 GRE offers 70.5% better value. The Radeon RX 7900 GRE is the newer GPU (2023 vs 2020).
| Feature | Radeon RX 7900 GRE | GeForce RTX 3090 |
|---|---|---|
| MSRP | $549-63% | $1499 |
| Avg Price (30d) | $540-40% | $900 |
| Performance per Dollar | 50.3+71% | 29.5 |
| Codename | Navi 31 | GA102 |
| Release | July 27 2023 | September 1 2020 |
| Ranking | #29 | #37 |
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