AMD Radeon RX 640 Mobile vs AMD Radeon E8950
GPU · Specs Compare
Graphics Card
Release Date
May 2019
Sep 2015
Generation
Mobility Radeon
Embedded
Type
Mobile
Mobile
Bus Interface
PCIe 3.0 x8
MXM-B (3.0)
Clock Speeds
Base Clock
1082 MHz
735 MHz
Boost Clock
1218 MHz
1000 MHz
Memory Clock
1500 MHz
1500 MHz
Memory
Memory Size
2GB
8GB
Memory Type
GDDR5
GDDR5
Memory Bus
64bit
256bit
Bandwidth
48.00GB/s
192.0GB/s
Render Config
Compute Units
10
32
Shading Units
640
2048
TMUs
40
128
ROPs
16
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
512 KB
Theoretical Performance
Pixel Rate
19.49 GPixel/s
32.00 GPixel/s
Texture Rate
48.72 GTexel/s
128.0 GTexel/s
FP16 (half)
1.559 TFLOPS
4.096 TFLOPS
FP32 (float)
1.559 TFLOPS
4.096 TFLOPS
FP64 (double)
97.44 GFLOPS
256.0 GFLOPS
Graphics Processor
GPU Name
Polaris 23
Amethyst
GPU Variant
Polaris 23 XT
E8950
Architecture
GCN 4.0
GCN 3.0
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
28 nm
Transistors
2.2 billion
5 billion
Die Size
103 mm²
366 mm²
Board Design
TDP
50W
95W
Outputs
No outputs
No outputs
Power Connectors
None
None
Graphics Features
DirectX
12 (12_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.1
2.0
Vulkan
1.2
1.2
Shader Model
6.4
6.3
▲ Specs Compare
Data sourced from official specifications and benchmark tests.