AMD Radeon Pro 580 vs AMD Radeon RX 550X Mobile
GPU Specs Compare
Graphics Card
Release Date
Jun 2017
Apr 2018
Generation
Radeon Pro Mac
Mobility Radeon
Type
Mobile
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x8
Clock Speeds
Base Clock
1100 MHz
1100 MHz
Boost Clock
1200 MHz
1176 MHz
Memory Clock
1695 MHz
1500 MHz
Memory
Memory Size
8GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
64bit
Bandwidth
217.0GB/s
48.00GB/s
Render Config
Compute Units
36
10
Shading Units
2304
640
TMUs
144
40
ROPs
32
16
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
2 MB
512 KB
Theoretical Performance
Pixel Rate
38.40 GPixel/s
18.82 GPixel/s
Texture Rate
172.8 GTexel/s
47.04 GTexel/s
FP16 (half)
5.530 TFLOPS
1.505 TFLOPS
FP32 (float)
5.530 TFLOPS
1.505 TFLOPS
FP64 (double)
345.6 GFLOPS
94.08 GFLOPS
Graphics Processor
GPU Name
Ellesmere
Polaris 23
GPU Variant
Ellesmere XTA(216-0886220)
Polaris 23 MXT
Architecture
GCN 4.0
GCN 4.0
Foundry
GlobalFoundries
GlobalFoundries
Process Size
14 nm
14 nm
Transistors
5.7 billion
2.2 billion
Die Size
232 mm²
103 mm²
Board Design
TDP
185W
50W
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
-