GeForce RTX 3080 Mobile vs Arc B580
GeForce RTX 3080 Mobile
Popular choices:
Arc B580
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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 GeForce RTX 3080 Mobile
Performance Per Dollar Arc B580
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The GeForce RTX 3080 Mobile is the superior choice for raw performance. It leads with a 1.5% higher G3D Mark score. However, the Arc B580 offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.
| Insight | GeForce RTX 3080 Mobile | Arc B580 |
|---|---|---|
| Performance | ✅Leading raw performance (+1.5%) | ❌Lower raw frame rates (-1.5%) |
| Longevity | 🔮Strong Longevity (Ampere / 8nm) | 🏆Elite Architecture (Xe2 Battlemage / 5nm) |
| Ecosystem | ✨ DLSS 2 Upscaling | Supports FSR Upscaling |
| VRAM | 🎮 High Capacity (8 GB) | 🎮 High Capacity (12 GB) |
| Efficiency | 💡 Excellent Perf/Watt | ⚡ Higher Power Consumption |
| Case Fit | — | Standard Size (272mm) |
💎 Value Proposition
While current pricing data is unavailable, the GeForce RTX 3080 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 GeForce RTX 3080 Mobile and Arc B580
GeForce RTX 3080 Mobile
The GeForce RTX 3080 Mobile is manufactured by NVIDIA. It was released in January 12 2021. It features the Ampere architecture. The core clock ranges from 1110 MHz to 1545 MHz. It has 6144 shading units. The thermal design power (TDP) is 115W. Manufactured using 8 nm process technology. It features 48 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 16,214 points.
Arc B580
The Arc B580 is manufactured by Intel. It was released in December 13 2024. It features the Xe2 architecture. The core clock ranges from 2670 MHz to 2670 MHz. It has 2560 shading units. The thermal design power (TDP) is 190W. Manufactured using 5 nm process technology. It features 20 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 15,977 points. Launch price was $249.
Graphics Performance
The GeForce RTX 3080 Mobile scores 16,214 and the Arc B580 reaches 15,977 in the G3D Mark benchmark — just a 1.5% difference, making them near-identical in rasterization performance. The GeForce RTX 3080 Mobile is built on Ampere while the Arc B580 uses Xe2, both on 8 nm vs 5 nm. Shader units: 6,144 (GeForce RTX 3080 Mobile) vs 2,560 (Arc B580). Raw compute: 18.98 TFLOPS (GeForce RTX 3080 Mobile) vs 13.67 TFLOPS (Arc B580). Boost clocks: 1545 MHz vs 2670 MHz. Ray tracing: 48 RT cores (GeForce RTX 3080 Mobile) vs 20 (Arc B580) with 192 Tensor cores vs 160.
| Feature | GeForce RTX 3080 Mobile | Arc B580 |
|---|---|---|
| G3D Mark Score | 16,214+1% | 15,977 |
| Architecture | Ampere | Xe2 |
| Process Node | 8 nm | 5 nm |
| Shading Units | 6144+140% | 2560 |
| Compute (TFLOPS) | 18.98 TFLOPS+39% | 13.67 TFLOPS |
| Boost Clock | 1545 MHz | 2670 MHz+73% |
| ROPs | 96+20% | 80 |
| TMUs | 192+20% | 160 |
| L1 Cache | 6 MB+20% | 5 MB |
| L2 Cache | 4 MB | 18 MB+350% |
| Ray Tracing Cores | 48+140% | 20 |
| Tensor Cores | 192+20% | 160 |
Advanced Features (DLSS/FSR)
The GeForce RTX 3080 Mobile gives access to NVIDIA DLSS (Deep Learning Super Sampling), widely regarding as the superior upscaling method for image quality. The Arc B580 relies on FSR (FidelityFX Super Resolution), which is capable but generally slightly noisier than DLSS in motion.
| Feature | GeForce RTX 3080 Mobile | Arc B580 |
|---|---|---|
| Upscaling Tech | DLSS 2.0 | XeSS |
| Frame Generation | FSR 3 / AFMF (Compatible) | FSR 3 (Compatible) |
| Ray Reconstruction | No | No |
| Low Latency | NVIDIA Reflex | Standard |
Video Memory (VRAM)
The GeForce RTX 3080 Mobile comes with 8 GB of VRAM, while the Arc B580 has 12 GB. The Arc B580 offers 50% more capacity, crucial for higher resolutions and texture-heavy games. Memory bandwidth: 448 GB/s (GeForce RTX 3080 Mobile) vs 456 GB/s (Arc B580) — a 1.8% advantage for the Arc B580. Bus width: 256-bit vs 192-bit. L2 Cache: 4 MB (GeForce RTX 3080 Mobile) vs 18 MB (Arc B580) — the Arc B580 has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GeForce RTX 3080 Mobile | Arc B580 |
|---|---|---|
| VRAM Capacity | 8 GB | 12 GB+50% |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bandwidth | 448 GB/s | 456 GB/s+2% |
| Bus Width | 256-bit+33% | 192-bit |
| L2 Cache | 4 MB | 18 MB+350% |
Display & API Support
DirectX support: 12.2 (GeForce RTX 3080 Mobile) vs 12 Ultimate (Arc B580). Vulkan: 1.2 vs 1.3. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 4 vs 4.
| Feature | GeForce RTX 3080 Mobile | Arc B580 |
|---|---|---|
| DirectX | 12.2+2% | 12 Ultimate |
| Vulkan | 1.2 | 1.3+8% |
| OpenGL | 4.6 | 4.6 |
| Max Displays | 4 | 4 |
Media & Encoding
Hardware encoder: 7th Gen NVENC (GeForce RTX 3080 Mobile) vs Xe2 Media Engine (Arc B580). Decoder: 5th Gen NVDEC vs Xe2 Media Engine. Supported codecs: MPEG-2,H.264,HEVC,VP9,AV1 (Decode) (GeForce RTX 3080 Mobile) vs AV1,H.264,H.265/HEVC (Arc B580).
| Feature | GeForce RTX 3080 Mobile | Arc B580 |
|---|---|---|
| Encoder | 7th Gen NVENC | Xe2 Media Engine |
| Decoder | 5th Gen NVDEC | Xe2 Media Engine |
| Codecs | MPEG-2,H.264,HEVC,VP9,AV1 (Decode) | AV1,H.264,H.265/HEVC |
Power & Dimensions
The GeForce RTX 3080 Mobile draws 115W versus the Arc B580's 190W — a 49.2% difference. The GeForce RTX 3080 Mobile is more power-efficient. Recommended PSU: 650W (GeForce RTX 3080 Mobile) vs 600W (Arc B580). Power connectors: Mobile vs 8-pin. Card length: 0mm vs 272mm, occupying 0 vs 2 slots. Typical load temperature: 80°C vs 70°C.
| Feature | GeForce RTX 3080 Mobile | Arc B580 |
|---|---|---|
| TDP | 115W-39% | 190W |
| Recommended PSU | 650W | 600W-8% |
| Power Connector | Mobile | 8-pin |
| Length | 0mm | 272mm |
| Height | 0mm | 115mm |
| Slots | 0-100% | 2 |
| Temp (Load) | 80°C | 70°C-13% |
| Perf/Watt | 141.0+68% | 84.1 |
Value Analysis
The Arc B580 is the newer GPU (2024 vs 2021).
| Feature | GeForce RTX 3080 Mobile | Arc B580 |
|---|---|---|
| MSRP | — | $249 |
| Avg Price (30d) | — | $249 |
| Codename | GA104 | BMG-G21 |
| Release | January 12 2021 | December 13 2024 |
| Ranking | #127 | #132 |
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