RTX 4080 SUPER
Arc B580
RTX 4080 SUPER vs Arc B580
Which graphics card should you buy in 2026? Full spec comparison and analysis.
Our Pick: RTX 4080 SUPER
The RTX 4080 SUPER wins this matchup with better gaming performance, stronger overall benchmarks. While it costs $750 more, the performance premium is worth it for most users.
Performance Overview
Overall Performance
Gaming
Value for Money
Specifications Comparison
| Specification | RTX 4080 SUPER | Arc B580 |
|---|---|---|
| MSRP | $999 | $249Win |
| VRAM | 16GBWin | 12GB |
| Memory Type | GDDR6X | GDDR6 |
| Boost Clock | 2550MHz | 2800MHzWin |
| Base Clock | 2295MHzWin | 1700MHz |
| Shader/Stream Processors | 10240Win | 320 |
| Performance | 52.2TFLOPSWin | 13.7TFLOPS |
| TDP | 320W | 190WWin |
| Memory Bus | 256-bitWin | 192-bit |
| Bandwidth | 736GB/sWin | 456GB/s |
| Architecture | Ada Lovelace | Xe2 (Battlemage) |
| Process Node | 4nmWin | 5nm |
| RT Cores | 80Win | 20 |
| AI Upscaling | DLSS 3.5 | XeSS 2 |
| Interface | PCIe 4.0 x16 | PCIe 4.0 x8 |
| Power Connector | 1x 16-pin | 1x 8-pin |
| Card Length | 304mm | 272mmWin |
| Benchmark Score | 65/100Win | 30/100 |
| Gaming Score | 68/100Win | 32/100 |
| Value Score | 48/100 | 88/100Win |
RTX 4080 SUPER
MSRP: $999
Frequently Asked Questions
Is the RTX 4080 SUPER better than the Arc B580?
The RTX 4080 SUPER is the stronger card overall. It scores 65/100 in synthetic benchmarks and 68/100 in gaming versus 30/100 and 32/100 for the Arc B580. In practical terms, the RTX 4080 SUPER is a 1440p high card while the Arc B580 targets 1080p high. The RTX 4080 SUPER also has 16GB of GDDR6X on a 256-bit bus, giving it more headroom for high-res textures and future titles.
Which is the better value, RTX 4080 SUPER or Arc B580?
The RTX 4080 SUPER costs 301% more for about 117% more performance. The Arc B580 at $249 offers noticeably better performance per dollar. Our value scores reflect this: RTX 4080 SUPER gets 48/100 and Arc B580 gets 88/100. If you are building on a tighter budget, the Arc B580 at $249 is the smarter buy. If you can stretch to $999 and want the extra performance, the RTX 4080 SUPER justifies its price for demanding workloads.
Can the RTX 4080 SUPER or Arc B580 run games at 4K?
Neither card is an ideal 4K GPU. The RTX 4080 SUPER can manage 4K at medium settings in less demanding titles, but both are really designed for 1440p gaming. If 4K is a priority, consider stepping up to a higher-tier card.
RTX 4080 SUPER vs Arc B580 for 1440p gaming -- which is better?
Both GPUs can handle 1440p, but the RTX 4080 SUPER does it with more headroom. With 52.2 TFLOPS of compute and 16GB VRAM, it consistently pushes higher frame rates at 1440p ultra compared to the Arc B580's 13.7 TFLOPS and 12GB. If you own a high-refresh 1440p monitor (144Hz+), the RTX 4080 SUPER's extra performance matters. For a standard 60Hz panel, either card will do fine.
What CPU should I pair with the RTX 4080 SUPER or Arc B580?
To avoid bottlenecking the RTX 4080 SUPER (gaming score 68/100), pair it with at least a Ryzen 5 9600X or Core i5-14600K. For the Arc B580 (gaming score 32/100), a Ryzen 5 7600 or Ryzen 5 9600X will keep things balanced. Overspending on the CPU relative to the GPU -- or vice versa -- leaves performance on the table. As a rule of thumb, your CPU should cost roughly 40-60% of your GPU budget for a gaming-focused build.
Is the RTX 4080 SUPER worth it in 2026?
The RTX 4080 SUPER remains a solid buy in 2026. With 16GB of GDDR6X and Ada Lovelace architecture, it handles current games at 1440p high settings without issues. Support for DLSS 3.5 extends its lifespan further by boosting frame rates in supported titles. At $999 MSRP, it is on the pricier side, but you are paying for top-tier performance that will age gracefully.
Should I wait for next-gen or buy the Arc B580 now?
If you need a GPU now, the Arc B580 at $249 is a perfectly capable 1080p card. The latest GPUs (NVIDIA RTX 50-series Blackwell, AMD RDNA 4) are now available, so consider comparing against the newest options in your budget. The Arc B580's Xe2 (Battlemage) architecture and 12GB VRAM still have plenty of life left.
How much power does the RTX 4080 SUPER vs Arc B580 use?
The RTX 4080 SUPER draws 320W TDP versus 190W for the Arc B580, a difference of 130W. For the RTX 4080 SUPER, a quality 850W PSU is recommended. The Arc B580's significantly lower power draw also means less heat output, which matters in smaller cases or warmer climates. The Arc B580 uses a 1x 8-pin connector while the RTX 4080 SUPER needs 1x 16-pin.
How many FPS can I expect from the RTX 4080 SUPER vs Arc B580?
Exact FPS varies by game and settings, but based on our gaming benchmark scores (RTX 4080 SUPER: 68/100, Arc B580: 32/100), the RTX 4080 SUPER typically delivers 113% more frames than the Arc B580 at the same resolution and settings. In popular titles at 1440p, the RTX 4080 SUPER with its 52.2 TFLOPS of compute power and 736 GB/s memory bandwidth pushes well above 60 FPS. Enabling DLSS 3.5 upscaling can boost that by another 30-50% with minimal visual quality loss.