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AMD Radeon RX 640 Mobile

This is a GPU manufactured with GlobalFoundries 14nm process, based on AMD GCN 4.0 architecture and released on May 2019. It features 2.2 billion transistors, 640 Rendering cores and 2GB GDDR5 memory, with 512KB L2 cache, theoretical performance of 1.559TFLOPS, with total power consumption of 50W.

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
1082MHz
Boost Clock
1218MHz
Memory Clock
1500MHz

Memory

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Memory Size
2GB
Memory Type
GDDR5
Memory Bus
64bit
Bandwidth
48.00 GB/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
512KB

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
2,200 million
Die Size
103mm²

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

Rankings

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FP32 (float)
1.568 TFLOPS
1.567 TFLOPS
1.559 TFLOPS
1.555 TFLOPS
1.536 TFLOPS
AMD Radeon E8870 4 GB GDDR5
1.536 TFLOPS
1.536 TFLOPS

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