Radeon RX 7800 XT vs GeForce RTX 4080 Mobile
Radeon RX 7800 XT
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GeForce RTX 4080 Mobile
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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 7800 XT
Performance Per Dollar GeForce RTX 4080 Mobile
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The GeForce RTX 4080 Mobile is the superior choice for raw performance. It leads with a 2.3% higher G3D Mark score. However, the Radeon RX 7800 XT offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.
| Insight | Radeon RX 7800 XT | GeForce RTX 4080 Mobile |
|---|---|---|
| Performance | ❌Lower raw frame rates (-2.3%) | ✅Leading raw performance (+2.3%) |
| Longevity | 🏆Elite Architecture (RDNA 3.0 (2022−2026) / 5nm) | 🏆Elite Architecture (Ada Lovelace (2022−2024) / 4nm) |
| Ecosystem | ✨ FSR 3 / AFMF Support | ✨ DLSS 3/4 + Frame Gen Support |
| VRAM | 🎮 High Capacity (16 GB) | 🎮 High Capacity (12 GB) |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | Standard Size (267mm) | — |
💎 Value Proposition
While current pricing data is unavailable, the GeForce RTX 4080 Mobile remains the clear technical winner. Check real-time availability to determine if the performance gap justifies the market price.
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 7800 XT and GeForce RTX 4080 Mobile
Radeon RX 7800 XT
The Radeon RX 7800 XT is manufactured by AMD. It was released in August 25 2023. It features the RDNA 3.0 architecture. The core clock ranges from 1295 MHz to 2430 MHz. It has 3840 shading units. The thermal design power (TDP) is 263W. Manufactured using 5 nm process technology. It features 60 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 24,253 points. Launch price was $499.
GeForce RTX 4080 Mobile
The GeForce RTX 4080 Mobile is manufactured by NVIDIA. It was released in January 3 2023. It features the Ada Lovelace architecture. The core clock ranges from 1290 MHz to 2010 MHz. It has 7424 shading units. The thermal design power (TDP) is 150W. Manufactured using 4 nm process technology. It features 58 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 24,805 points.
Graphics Performance
The Radeon RX 7800 XT scores 24,253 and the GeForce RTX 4080 Mobile reaches 24,805 in the G3D Mark benchmark — just a 2.3% difference, making them near-identical in rasterization performance. The Radeon RX 7800 XT is built on RDNA 3.0 while the GeForce RTX 4080 Mobile uses Ada Lovelace, both on 5 nm vs 4 nm. Shader units: 3,840 (Radeon RX 7800 XT) vs 7,424 (GeForce RTX 4080 Mobile). Raw compute: 37.32 TFLOPS (Radeon RX 7800 XT) vs 24.72 TFLOPS (GeForce RTX 4080 Mobile). Boost clocks: 2430 MHz vs 2010 MHz. Ray tracing: 60 RT cores (Radeon RX 7800 XT) vs 58 (GeForce RTX 4080 Mobile) vs 232.
| Feature | Radeon RX 7800 XT | GeForce RTX 4080 Mobile |
|---|---|---|
| G3D Mark Score | 24,253 | 24,805+2% |
| Architecture | RDNA 3.0 | Ada Lovelace |
| Process Node | 5 nm | 4 nm |
| Shading Units | 3840 | 7424+93% |
| Compute (TFLOPS) | 37.32 TFLOPS+51% | 24.72 TFLOPS |
| Boost Clock | 2430 MHz+21% | 2010 MHz |
| ROPs | 96+20% | 80 |
| TMUs | 240+3% | 232 |
| L1 Cache | 0.75 MB | 7.3 MB+873% |
| L2 Cache | 4 MB | 48 MB+1100% |
| Ray Tracing Cores | 60+3% | 58 |
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 7800 XT | GeForce RTX 4080 Mobile |
|---|---|---|
| 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)
The Radeon RX 7800 XT comes with 16 GB of VRAM, while the GeForce RTX 4080 Mobile has 12 GB. The Radeon RX 7800 XT offers 33.3% more capacity, crucial for higher resolutions and texture-heavy games. Memory bandwidth: 624 GB/s (Radeon RX 7800 XT) vs 432 GB/s (GeForce RTX 4080 Mobile) — a 44.4% advantage for the Radeon RX 7800 XT. Bus width: 256-bit vs 192-bit. L2 Cache: 4 MB (Radeon RX 7800 XT) vs 48 MB (GeForce RTX 4080 Mobile) — the GeForce RTX 4080 Mobile has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon RX 7800 XT | GeForce RTX 4080 Mobile |
|---|---|---|
| VRAM Capacity | 16 GB+33% | 12 GB |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bandwidth | 624 GB/s+44% | 432 GB/s |
| Bus Width | 256-bit+33% | 192-bit |
| L2 Cache | 4 MB | 48 MB+1100% |
Display & API Support
DirectX support: 12 Ultimate (Radeon RX 7800 XT) vs 12.2 (GeForce RTX 4080 Mobile). Vulkan: 1.4 vs 1.3. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 4 vs 1.
| Feature | Radeon RX 7800 XT | GeForce RTX 4080 Mobile |
|---|---|---|
| DirectX | 12 Ultimate | 12.2+2% |
| Vulkan | 1.4+8% | 1.3 |
| OpenGL | 4.6 | 4.6 |
| Max Displays | 4+300% | 1 |
Media & Encoding
Hardware encoder: Dual VCN 4.0 (Radeon RX 7800 XT) vs 8th Gen NVENC (GeForce RTX 4080 Mobile). Decoder: VCN 4.0 vs 5th Gen NVDEC. Supported codecs: H.264,HEVC,AV1,VP9 (Radeon RX 7800 XT) vs MPEG-2,H.264,HEVC,VP9,AV1 (GeForce RTX 4080 Mobile).
| Feature | Radeon RX 7800 XT | GeForce RTX 4080 Mobile |
|---|---|---|
| Encoder | Dual VCN 4.0 | 8th Gen NVENC |
| Decoder | VCN 4.0 | 5th Gen NVDEC |
| Codecs | H.264,HEVC,AV1,VP9 | MPEG-2,H.264,HEVC,VP9,AV1 |
Power & Dimensions
The Radeon RX 7800 XT draws 263W versus the GeForce RTX 4080 Mobile's 150W — a 54.7% difference. The GeForce RTX 4080 Mobile is more power-efficient. Recommended PSU: 700W (Radeon RX 7800 XT) vs 650W (GeForce RTX 4080 Mobile). Power connectors: 2x 8-pin vs Mobile. Card length: 267mm vs 0mm, occupying 2 vs 0 slots. Typical load temperature: 75°C vs 80°C.
| Feature | Radeon RX 7800 XT | GeForce RTX 4080 Mobile |
|---|---|---|
| TDP | 263W | 150W-43% |
| Recommended PSU | 700W | 650W-7% |
| Power Connector | 2x 8-pin | Mobile |
| Length | 267mm | 0mm |
| Height | — | 0mm |
| Slots | 2 | 0-100% |
| Temp (Load) | 75°C-6% | 80°C |
| Perf/Watt | 92.2 | 165.4+79% |
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