RX 9070
Arc B580
RX 9070 vs Arc B580
Which graphics card should you buy in 2026? Full spec comparison and analysis.
Our Pick: RX 9070
The RX 9070 wins this matchup with better gaming performance, stronger overall benchmarks. While it costs $300 more, the performance premium is worth it for most users.
Performance Overview
Overall Performance
Gaming
Value for Money
Specifications Comparison
| Specification | RX 9070 | Arc B580 |
|---|---|---|
| MSRP | $549 | $249Win |
| VRAM | 16GBWin | 12GB |
| Memory Type | GDDR6 | GDDR6 |
| Boost Clock | 2540MHz | 2800MHzWin |
| Base Clock | 2070MHzWin | 1700MHz |
| Shader/Stream Processors | 3584Win | 320 |
| Performance | 36.4TFLOPSWin | 13.7TFLOPS |
| TDP | 220W | 190WWin |
| Memory Bus | 256-bitWin | 192-bit |
| Bandwidth | 640GB/sWin | 456GB/s |
| Architecture | RDNA 4 | Xe2 (Battlemage) |
| Process Node | 4nmWin | 5nm |
| RT Cores | 56Win | 20 |
| AI Upscaling | FSR 4 | XeSS 2 |
| Interface | PCIe 4.0 x16 | PCIe 4.0 x8 |
| Power Connector | 2x 8-pin | 1x 8-pin |
| Card Length | 280mm | 272mmWin |
| Benchmark Score | 55/100Win | 30/100 |
| Gaming Score | 57/100Win | 32/100 |
| Value Score | 70/100 | 88/100Win |
RX 9070
MSRP: $549
Frequently Asked Questions
Is the RX 9070 better than the Arc B580?
The RX 9070 is the stronger card overall. It scores 55/100 in synthetic benchmarks and 57/100 in gaming versus 30/100 and 32/100 for the Arc B580. In practical terms, the RX 9070 is a 1440p high card while the Arc B580 targets 1080p high. The RX 9070 also has 16GB of GDDR6 on a 256-bit bus, giving it more headroom for high-res textures and future titles.
Which is the better value, RX 9070 or Arc B580?
The RX 9070 costs 120% more for about 83% more performance. The Arc B580 at $249 offers noticeably better performance per dollar. Our value scores reflect this: RX 9070 gets 70/100 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 $549 and want the extra performance, the RX 9070 justifies its price for demanding workloads.
Can the RX 9070 or Arc B580 run games at 4K?
Neither card is an ideal 4K GPU. The RX 9070 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.
RX 9070 vs Arc B580 for 1440p gaming -- which is better?
Both GPUs can handle 1440p, but the RX 9070 does it with more headroom. With 36.4 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 RX 9070's extra performance matters. For a standard 60Hz panel, either card will do fine.
What CPU should I pair with the RX 9070 or Arc B580?
To avoid bottlenecking the RX 9070 (gaming score 57/100), 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 RX 9070 worth it in 2026?
The RX 9070 remains a solid buy in 2026. With 16GB of GDDR6 and RDNA 4 architecture, it handles current games at 1440p high settings without issues. Support for FSR 4 extends its lifespan further by boosting frame rates in supported titles. At $549 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 9070 vs Arc B580 use?
The RX 9070 draws 220W TDP versus 190W for the Arc B580, a difference of 30W. 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 9070 needs 2x 8-pin.
How many FPS can I expect from the RX 9070 vs Arc B580?
Exact FPS varies by game and settings, but based on our gaming benchmark scores (RX 9070: 57/100, Arc B580: 32/100), the RX 9070 typically delivers 78% more frames than the Arc B580 at the same resolution and settings. In popular titles at 1440p, the RX 9070 with its 36.4 TFLOPS of compute power and 640 GB/s memory bandwidth pushes well above 60 FPS. Enabling FSR 4 upscaling can boost that by another 30-50% with minimal visual quality loss.