AMD Radeon R9 M290X Mac Edition vs AMD Radeon Instinct MI8
GPU Specs Compare
Graphics Card
Release Date
Nov 2014
Dec 2016
Generation
Crystal System
Radeon Instinct
Type
Mobile
Professional
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
850 MHz
-
Boost Clock
975 MHz
-
Memory Clock
1365 MHz
500 MHz
Memory
Memory Size
2GB
4GB
Memory Type
GDDR5
HBM
Memory Bus
256bit
4096bit
Bandwidth
174.7GB/s
512.0GB/s
Render Config
Compute Units
16
64
Shading Units
1024
4096
TMUs
64
256
ROPs
32
64
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
2 MB
Theoretical Performance
Pixel Rate
31.20 GPixel/s
64.00 GPixel/s
Texture Rate
62.40 GTexel/s
256.0 GTexel/s
FP32 (float)
1.997 TFLOPS
8.192 TFLOPS
FP64 (double)
124.8 GFLOPS
512.0 GFLOPS
FP16 (half)
-
8.192 TFLOPS
Graphics Processor
GPU Name
Pitcairn
Fiji
GPU Variant
Pitcairn PRO(215-0828062)
Fiji XT CA(215-0862120)
Architecture
GCN 1.0
GCN 3.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
2.8 billion
8.9 billion
Die Size
212 mm²
596 mm²
Board Design
TDP
80W
175W
Outputs
No outputs
No outputs
Power Connectors
None
1x 8-pin
Suggested PSU
-
450 W
Graphics Features
DirectX
12 (11_1)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
1.2
2.1
Vulkan
1.2
1.2.170
Shader Model
5.1
6.5