GPU Comparison
Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.
Market Value Leader
Market comparison is currently pending while we verify the latest benchmarks for Radeon RX 550 and Radeon RX 590.
On raw speed the Radeon RX 590 comes out dramatically faster — about 600% ahead of the Radeon RX 550.
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Comparable or lower specs
Radeon RX 590 vs Radeon RX 550: In-Depth Breakdown
Performance: Radeon RX 590 vs Radeon RX 550
The Radeon RX 590 is dramatically faster, around 600% ahead of the Radeon RX 550. Both cards sit in the same broad class, well suited to entry-level 1080p. The Radeon RX 590 packs 2,304 stream processors versus 640 on the Radeon RX 550.
Power & Efficiency
On power, the Radeon RX 550 is the gentler choice at 50W versus 225W. The Radeon RX 590 is more efficient per watt because it's faster, but its higher 225W draw means more heat and a bigger PSU.
VRAM & Future-Proofing
The Radeon RX 590 carries 8GB versus 2GB on the Radeon RX 550. The extra 6GB helps at 4K, with high-resolution texture packs, and for content-creation or local-AI workloads that exhaust smaller buffers. The Radeon RX 590's memory is also faster — 256 GB/s versus 96 GB/s (256-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 590?
The Radeon RX 590 is the faster card by about 600%. 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 590 better than the Radeon RX 550?
Which is better for 4K gaming, the Radeon RX 550 or the Radeon RX 590?
Does the Radeon RX 590 have enough VRAM advantage to matter?
Technical Specifications Comparison
Architecture & Cores
| Specification | Radeon RX 550 | Radeon RX 590 |
|---|---|---|
| Architecture | GCN 4.0 (Polaris) | GCN 4.0 (Polaris) |
| Process Node | GloFo 14nm | GloFo 12nm |
| CUDA Cores (Stream Processors / Stream Processors) | 640 | 2,304✓ |
Clock Speeds
| Specification | Radeon RX 550 | Radeon RX 590 |
|---|---|---|
| Base Clock | 1,019 MHz | 1,469 MHz✓ |
| Boost Clock | 1,183 MHz | 1,545 MHz✓ |
Memory
| Specification | Radeon RX 550 | Radeon RX 590 |
|---|---|---|
| VRAM Capacity | 2 GB | 8 GB✓ |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bus | 128-bit | 256-bit✓ |
| Memory Speed | 6 Gbps | 8 Gbps✓ |
| Bandwidth | 96 GB/s | 256 GB/s✓ |
Connectivity & Power
| Specification | Radeon RX 550 | Radeon RX 590 |
|---|---|---|
| Interface | PCIe 3.0 x8 | PCIe 3.0 x16 |
| TDP | 50 W✓ | 225 W |
| Power Connectors | None | 1x 8-pin |
| Released | Apr 2017 | Nov 2018 |