RX 7700 XT
Arc B580
RX 7700 XT vs Arc B580
Which graphics card should you buy in 2026? Full spec comparison and analysis.
Our Pick: Arc B580
The Arc B580 wins this matchup with better value for money, lower price ($249 vs $449). At $249, it's also the more affordable option.
Performance Overview
Overall Performance
Gaming
Value for Money
Specifications Comparison
| Specification | RX 7700 XT | Arc B580 |
|---|---|---|
| MSRP | $449 | $249Win |
| VRAM | 12GB | 12GB |
| Memory Type | GDDR6 | GDDR6 |
| Boost Clock | 2544MHz | 2800MHzWin |
| Base Clock | 1435MHz | 1700MHzWin |
| Shader/Stream Processors | 3456Win | 320 |
| Performance | 17.6TFLOPSWin | 13.7TFLOPS |
| TDP | 245W | 190WWin |
| Memory Bus | 192-bit | 192-bit |
| Bandwidth | 432GB/s | 456GB/sWin |
| Architecture | RDNA 3 | Xe2 (Battlemage) |
| Process Node | 5nm | 5nm |
| RT Cores | 54Win | 20 |
| AI Upscaling | FSR 3 | XeSS 2 |
| Interface | PCIe 4.0 x16 | PCIe 4.0 x8 |
| Power Connector | 2x 8-pin | 1x 8-pin |
| Card Length | 267mmWin | 272mm |
| Benchmark Score | 38/100Win | 30/100 |
| Gaming Score | 40/100Win | 32/100 |
| Value Score | 63/100 | 88/100Win |
RX 7700 XT
MSRP: $449
Frequently Asked Questions
Is the RX 7700 XT better than the Arc B580?
The Arc B580 is the stronger card overall. It scores 30/100 in synthetic benchmarks and 32/100 in gaming versus 38/100 and 40/100 for the RX 7700 XT. In practical terms, the RX 7700 XT is a 1440p medium / 1080p ultra card while the Arc B580 targets 1080p high. The Arc B580 also has 12GB of GDDR6 on a 192-bit bus, giving it more headroom for high-res textures and future titles.
Which is the better value, RX 7700 XT or Arc B580?
The RX 7700 XT costs 80% more for about 27% more performance. The Arc B580 at $249 offers noticeably better performance per dollar. Our value scores reflect this: RX 7700 XT gets 63/100 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 $449 and want the extra performance, the RX 7700 XT justifies its price for demanding workloads.
Can the RX 7700 XT or Arc B580 run games at 4K?
Neither card is an ideal 4K GPU. The RX 7700 XT can manage 4K at medium settings in less demanding titles, but both are really designed for 1440p or 1080p gaming. If 4K is a priority, consider stepping up to a higher-tier card.
RX 7700 XT vs Arc B580 for 1440p gaming -- which is better?
At 1440p, the RX 7700 XT is more comfortable but you may need to dial settings down in newer AAA games. The Arc B580 will struggle at 1440p ultra in demanding titles. For a consistent 1440p experience, the RX 7700 XT is the safer choice.
What CPU should I pair with the RX 7700 XT or Arc B580?
To avoid bottlenecking the RX 7700 XT (gaming score 40/100), pair it with at least a Ryzen 5 7600 or Ryzen 5 9600X. 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 Arc B580 worth it in 2026?
The Arc B580 remains a solid buy in 2026. With 12GB of GDDR6 and Xe2 (Battlemage) architecture, it handles current games at 1080p high settings without issues. Support for XeSS 2 extends its lifespan further by boosting frame rates in supported titles. At $249 MSRP, it offers strong value and should stay relevant for at least another 2-3 years of AAA gaming.
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 RX 7700 XT vs Arc B580 use?
The RX 7700 XT draws 245W TDP versus 190W for the Arc B580, a difference of 55W. A 650W PSU should handle either card comfortably. The power difference is modest enough that PSU choice should not be a deciding factor between these two. The Arc B580 uses a 1x 8-pin connector while the RX 7700 XT needs 2x 8-pin.
How many FPS can I expect from the RX 7700 XT vs Arc B580?
Exact FPS varies by game and settings, but based on our gaming benchmark scores (RX 7700 XT: 40/100, Arc B580: 32/100), the RX 7700 XT typically delivers 25% more frames than the Arc B580 at the same resolution and settings. In popular titles at 1440p or 1080p, the RX 7700 XT with its 17.6 TFLOPS of compute power and 432 GB/s memory bandwidth pushes well above 60 FPS. Enabling FSR 3 upscaling can boost that by another 30-50% with minimal visual quality loss.