GPU Comparison
Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.
Market Value Leader
Only verified data for Radeon RX 550 is available. Benchmarks for other models are currently being processed.
The Radeon RX Vega 56 is dramatically faster than the Radeon RX 550, leading by roughly 1100% in our performance index.
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Comparable or lower specs
Radeon RX Vega 56 vs Radeon RX 550: In-Depth Breakdown
Performance: Radeon RX Vega 56 vs Radeon RX 550
The Radeon RX Vega 56 is dramatically faster, around 1100% ahead of the Radeon RX 550. 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 640 on the Radeon RX 550.
Power & Efficiency
The Radeon RX 550 pulls less power (50W vs 210W), so it's the easier card to cool and the lighter load on your PSU. The faster Radeon RX Vega 56 draws more overall but extracts more performance from each watt — plan for a sturdier power supply if you pick it.
VRAM & Future-Proofing
With 8GB against 2GB, the Radeon RX Vega 56 has more headroom for 4K textures and memory-hungry creative/AI tasks where the Radeon RX 550's 2GB can fall short. The Radeon RX Vega 56's memory is also faster — 410 GB/s versus 96 GB/s (2048-bit vs 128-bit bus) — which helps feed the GPU at 4K and with heavy textures.
Which should you buy: Radeon RX 550 or Radeon RX Vega 56?
The Radeon RX Vega 56 is the faster card by about 1100%. With live pricing limited for this pair, base your decision on the spec differences above — particularly VRAM and power draw — and check current stock before buying.
Frequently Asked Questions
Is the Radeon RX Vega 56 better than the Radeon RX 550?
Which is better for 4K gaming, the Radeon RX 550 or the Radeon RX Vega 56?
Does the Radeon RX Vega 56 have enough VRAM advantage to matter?
Technical Specifications Comparison
Architecture & Cores
| Specification | Radeon RX 550 | Radeon RX Vega 56 |
|---|---|---|
| Architecture | GCN 4.0 (Polaris) | GCN 5.0 (Vega) |
| Process Node | GloFo 14nm | GloFo 14nm |
| CUDA Cores (Stream Processors / Stream Processors) | 640 | 3,584✓ |
Clock Speeds
| Specification | Radeon RX 550 | Radeon RX Vega 56 |
|---|---|---|
| Base Clock | 1,019 MHz | 1,156 MHz✓ |
| Boost Clock | 1,183 MHz | 1,471 MHz✓ |
Memory
| Specification | Radeon RX 550 | Radeon RX Vega 56 |
|---|---|---|
| VRAM Capacity | 2 GB | 8 GB✓ |
| Memory Type | GDDR5 | HBM2 |
| Memory Bus | 128-bit | 2048-bit✓ |
| Memory Speed | 6 Gbps✓ | 1.6 Gbps |
| Bandwidth | 96 GB/s | 409.6 GB/s✓ |
Connectivity & Power
| Specification | Radeon RX 550 | Radeon RX Vega 56 |
|---|---|---|
| Interface | PCIe 3.0 x8 | PCIe 3.0 x16 |
| TDP | 50 W✓ | 210 W |
| Power Connectors | None | 2x 8-pin |
| Released | Apr 2017 | Aug 2017 |