AMD Radeon Pro 575X vs AMD Radeon R9 M290X Mac Edition
GPU Specs Compare
Graphics Card
Release Date
Mar 2019
Nov 2014
Generation
Radeon Pro Mac
Crystal System
Type
Mobile
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1700 MHz
1365 MHz
Base Clock
-
850 MHz
Boost Clock
-
975 MHz
Memory
Memory Size
4GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
217.6GB/s
174.7GB/s
Render Config
Compute Units
32
16
Shading Units
2048
1024
TMUs
128
64
ROPs
32
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
2 MB
512 KB
Theoretical Performance
Pixel Rate
35.07 GPixel/s
31.20 GPixel/s
Texture Rate
140.3 GTexel/s
62.40 GTexel/s
FP16 (half)
4.489 TFLOPS
-
FP32 (float)
4.489 TFLOPS
1.997 TFLOPS
FP64 (double)
280.6 GFLOPS
124.8 GFLOPS
Graphics Processor
GPU Name
Polaris 20
Pitcairn
GPU Variant
Polaris 20 XL(215-0910052)
Pitcairn PRO(215-0828062)
Architecture
GCN 4.0
GCN 1.0
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
28 nm
Transistors
5.7 billion
2.8 billion
Die Size
232 mm²
212 mm²
Board Design
TDP
150W
80W
Outputs
No outputs
No outputs
Power Connectors
None
None
Graphics Features
DirectX
12 (12_0)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
2.1
1.2
Vulkan
1.2
1.2
Shader Model
6.4
5.1