GPU Comparison

Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.

Quick Verdict

On raw speed the Radeon RX Vega 56 comes out dramatically faster — about 100% ahead of the Radeon RX 580. But the Radeon RX 580 is the better value, undercutting it by $640 EUR for the performance you get.

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VS
AMD
Radeon RX 580
Price
€149
Performance
6%
VRAM
8 GB GDDR5
Key Specs Advantage

Comparable or lower specs

Price
€790
Performance
12%
VRAM
8 GB HBM2
Key Specs Advantage
+700% Memory Bus (2048-bit vs 256-bit)
+60% Bandwidth (409.6 GB/s vs 256 GB/s)
+56% Stream Processors (3,584 vs 2,304)

Radeon RX Vega 56 vs Radeon RX 580: In-Depth Breakdown

Performance: Radeon RX Vega 56 vs Radeon RX 580

The Radeon RX Vega 56 is dramatically faster, around 100% ahead of the Radeon RX 580. Both cards sit in the same broad class, well suited to entry-level 1080p. The Radeon RX Vega 56 packs 3,584 stream processors versus 2,304 on the Radeon RX 580.

Price & Value

The Radeon RX 580 currently lists from $149 EUR, $640 EUR less than the Radeon RX Vega 56 at $790 EUR. Despite being slower, the Radeon RX 580 offers the better performance-per-dollar (~164% better value), so budget-focused buyers should weigh it carefully. The Radeon RX 580 is trading below its $229 EUR MSRP — a genuine deal. The Radeon RX Vega 56 still sits about $391 EUR above its $399 EUR MSRP.

Power & Efficiency

On power, the Radeon RX 580 is the gentler choice at 185W versus 210W. The Radeon RX Vega 56 is more efficient per watt because it's faster, but its higher 210W draw means more heat and a bigger PSU.

Memory & Bandwidth

The Radeon RX Vega 56's memory is faster — 410 GB/s versus 256 GB/s (2048-bit vs 256-bit bus) — which helps feed the GPU at 4K and with heavy textures.

Which should you buy: Radeon RX 580 or Radeon RX Vega 56?

Choose the Radeon RX Vega 56 if you want the most performance and can absorb the higher price. If you're optimizing for value, the Radeon RX 580 stretches your money further for only slightly lower performance.

Frequently Asked Questions

Is the Radeon RX Vega 56 better than the Radeon RX 580?

The Radeon RX Vega 56 is dramatically faster, roughly 100% ahead. The Radeon RX 580 is still worth it if value matters more than top-end frames.

Which is better for 4K gaming, the Radeon RX 580 or the Radeon RX Vega 56?

Neither is a dedicated 4K card; both are best at entry-level 1080p. For 4K you'd want a faster GPU, or lean on upscaling.

Is the Radeon RX Vega 56 worth the extra $640 EUR over the Radeon RX 580?

Only if you need the extra performance or features; on pure value the Radeon RX 580 comes out ahead.

Technical Specifications Comparison

Architecture & Cores

SpecificationRadeon RX 580Radeon RX Vega 56
ArchitectureGCN 4.0 (Polaris)GCN 5.0 (Vega)
Process NodeGloFo 14nmGloFo 14nm
CUDA Cores (Stream Processors / Stream Processors)2,3043,584

Clock Speeds

SpecificationRadeon RX 580Radeon RX Vega 56
Base Clock1,257 MHz1,156 MHz
Boost Clock1,340 MHz1,471 MHz

Memory

SpecificationRadeon RX 580Radeon RX Vega 56
VRAM Capacity8 GB8 GB
Memory TypeGDDR5HBM2
Memory Bus256-bit2048-bit
Memory Speed8 Gbps1.6 Gbps
Bandwidth256 GB/s409.6 GB/s

Connectivity & Power

SpecificationRadeon RX 580Radeon RX Vega 56
InterfacePCIe 3.0 x16PCIe 3.0 x16
TDP185 W210 W
Power Connectors1x 8-pin2x 8-pin
ReleasedApr 2017Aug 2017