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AMD Radeon RX 640 Mobile
GPU
AMD
May 2019 Released
The AMD Radeon RX 640 Mobile is a laptop-class GPU manufactured by AMD, built on AMD's officially announced 14 nm process technology, released in May 2019. This graphics card is equipped with 2GB GDDR5 memory, suitable for gaming and professional graphics applications.
Graphics Card
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Release Date
May 2019
Generation
Mobility Radeon
Type
Mobile
Bus Interface
PCIe 3.0 x8
Clock Speeds
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Base Clock
1082 MHz
Boost Clock
1218 MHz
Memory Clock
1500 MHz
Memory
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Memory Size
2GB
Memory Type
GDDR5
Memory Bus
64bit
Bandwidth
48.00GB/s
Render Config
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Compute Units
10
Shading Units
640
TMUs
40
ROPs
16
L1 Cache
16 KB (per CU)
L2 Cache
512 KB
Theoretical Performance
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Pixel Rate
19.49 GPixel/s
Texture Rate
48.72 GTexel/s
FP16 (half)
1.559 TFLOPS
FP32 (float)
1.559 TFLOPS
FP64 (double)
97.44 GFLOPS
Graphics Processor
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GPU Name
Polaris 23
GPU Variant
Polaris 23 XT
Architecture
GCN 4.0
Foundry
GlobalFoundries
Process Size
14 nm
Transistors
2.2 billion
Die Size
103 mm²
Board Design
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TDP
50W
Outputs
No outputs
Power Connectors
None
Graphics Features
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DirectX
12 (12_0)
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
Shader Model
6.4