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Pick up to four GPUs and compare their specs row by row. Specs that mean different things across generations are kept apart.

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Spec Radeon RX 550X 640SP AMD
Overview
Product name AMD Radeon RX 550X 640SP
Architecture GCN 4.0
Generation / family Radeon RX 500 Series
Launch date 2018-04-11
Market segment Gaming
Board type / entry type Reference GPU
GPU
Process node GlobalFoundries 14 nm
Die size 123 mm²
Transistor count 3 billion
GPU chip Baffin
Stream Processors 640
ROPs 16
TMUs 40
Clocks
Base / Core clock 1,019 MHz
Boost clock 1,071 MHz
Memory clock 1,500 MHz
Memory
Memory size 2 GB
Memory type GDDR5
Memory bus width 128-bit
Memory bandwidth 96 GB/s
Bus / Interface
Bus interface PCIe 3.0 x8
AGP / PCI / PCIe distinction PCIe
Power
TDP / TBP / board power 60 W
Recommended PSU 250 W
Slot width Dual-slot
Display / Media
Display outputs 1x DVI, 1x HDMI 2.0b, 1x DisplayPort 1.4a
Features
DirectX support DirectX 12.0
OpenGL support OpenGL 4.6
Vulkan support Vulkan 1.3
Shader Model 6.7
Performance / Benchmarks
FP32 throughput 1.37 TFLOPS
FP16 throughput 1.37 TFLOPS
Muted cells indicate unavailable, not applicable, or not directly comparable specifications.

DLAA counts as native resolution; DLSS, FSR and XeSS upscaling never do. A ray tracing setting without a readable on or off value is read as on.