AMD Radeon RX 640 Mobile vs AMD Radeon Pro 580
GPU · Specs Compare
Graphics Card
Release Date
May 2019
Jun 2017
Generation
Mobility Radeon
Radeon Pro Mac
Type
Mobile
Mobile
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x16
Clock Speeds
Base Clock
1082 MHz
1100 MHz
Boost Clock
1218 MHz
1200 MHz
Memory Clock
1500 MHz
1695 MHz
Memory
Memory Size
2GB
8GB
Memory Type
GDDR5
GDDR5
Memory Bus
64bit
256bit
Bandwidth
48.00GB/s
217.0GB/s
Render Config
Compute Units
10
36
Shading Units
640
2304
TMUs
40
144
ROPs
16
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
2 MB
Theoretical Performance
Pixel Rate
19.49 GPixel/s
38.40 GPixel/s
Texture Rate
48.72 GTexel/s
172.8 GTexel/s
FP16 (half)
1.559 TFLOPS
5.530 TFLOPS
FP32 (float)
1.559 TFLOPS
5.530 TFLOPS
FP64 (double)
97.44 GFLOPS
345.6 GFLOPS
Graphics Processor
GPU Name
Polaris 23
Ellesmere
GPU Variant
Polaris 23 XT
Ellesmere XTA(216-0886220)
Architecture
GCN 4.0
GCN 4.0
Foundry
GlobalFoundries
GlobalFoundries
Process Size
14 nm
14 nm
Transistors
2.2 billion
5.7 billion
Die Size
103 mm²
232 mm²
Board Design
TDP
50W
185W
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
2.1
Vulkan
1.2
1.2
Shader Model
6.4
6.4
Benchmark
3DMark Time Spy
—
3,791
3DMark Time Spy Extreme
—
1,684
▲ Specs Compare
Data sourced from official specifications and benchmark tests.