AMD Radeon R9 M290X Mac Edition vs AMD Radeon Pro 580
GPU · Specs Compare
Graphics Card
Release Date
Nov 2014
Jun 2017
Generation
Crystal System
Radeon Pro Mac
Type
Mobile
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
850 MHz
1100 MHz
Boost Clock
975 MHz
1200 MHz
Memory Clock
1365 MHz
1695 MHz
Memory
Memory Size
2GB
8GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
174.7GB/s
217.0GB/s
Render Config
Compute Units
16
36
Shading Units
1024
2304
TMUs
64
144
ROPs
32
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
2 MB
Theoretical Performance
Pixel Rate
31.20 GPixel/s
38.40 GPixel/s
Texture Rate
62.40 GTexel/s
172.8 GTexel/s
FP32 (float)
1.997 TFLOPS
5.530 TFLOPS
FP64 (double)
124.8 GFLOPS
345.6 GFLOPS
FP16 (half)
—
5.530 TFLOPS
Graphics Processor
GPU Name
Pitcairn
Ellesmere
GPU Variant
Pitcairn PRO(215-0828062)
Ellesmere XTA(216-0886220)
Architecture
GCN 1.0
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
28 nm
14 nm
Transistors
2.8 billion
5.7 billion
Die Size
212 mm²
232 mm²
Board Design
TDP
80W
185W
Outputs
No outputs
No outputs
Power Connectors
None
None
Graphics Features
DirectX
12 (11_1)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
1.2
2.1
Vulkan
1.2
1.2
Shader Model
5.1
6.4
Benchmark
3DMark Time Spy
—
3,791
3DMark Time Spy Extreme
—
1,684
▲ Specs Compare
Data sourced from official specifications and benchmark tests.