AMD · GCN 4 · 2018
Radeon RX 550X 640SP (Polaris 11) — 2 GB
Radeon RX 550X 640SP (Polaris 11) — 2 GB: 2 GB GDDR5, 60 W, 640 Stream processors. Launched April 11, 2018.
- Memory
- 2 GB
- Power
- 60 W
- Bus width
- 128 bit
Memory2 GB
85 of 96 in Radeon RX
Power60 W
81 of 96 by higher draw in Radeon RX
Stream processors640
73 of 78 in Radeon RX
Current market
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Specifications
Memory
- Capacity
- 2 GB
- Memory type
- GDDR5
- Bus width
- 128 bit
- Bandwidth
- 96 GB/s
Compute
- Stream processors
- 640
- TMUs
- 40
- ROPs
- 16
- FP32
- 1,304.32 GFLOPS
- FP64
- 81.52 GFLOPS
- Pixel fill rate
- 16.304 GP/s
- Texture fill rate
- 40.76 GT/s
Board
- TDP
- 60 W
- Bus interface
- PCIe 3.0 ×8
- Form factor
- desktop
Physical
- Architecture
- GCN 4
- Process
- 14 nm (mapped from a reviewed process name)
- Die size
- 123 mm²
- Series
- Radeon RX
- Launch date
- April 11, 2018
Not recorded by the source: generation, codename, transistors and sm count, or 5 further fields.
Die figure
Silicon, made visible
Die area is drawn against the largest recorded die in the catalog. Shader dots use a labeled, card-specific ratio so both early and modern GPUs remain legible.
Catalog context
Within its series, the Radeon RX 550X 640SP (Polaris 11) ranks 39th of 44 for FP32 throughput and 85th of 96 for memory capacity. Its 60 W TDP is within the 75 W PCIe slot-power ceiling.
Source: Wikipedia, revision 1364362273 · catalog loaded 2026-08-16