Product Compare

AMD Radeon R9 M295X Mac Edition vs AMD Radeon Instinct MI8

GPU GPU
Graphics Card
Release Date Nov 2014 Dec 2016
Generation Crystal System Radeon Instinct
Type Mobile Professional
Bus Interface MXM-B (3.0) PCIe 3.0 x16
Clock Speeds
Memory Clock 1362 MHz 500 MHz
Memory
Memory Size 4GB 4GB
Memory Type GDDR5 HBM
Memory Bus 256bit 4096bit
Bandwidth 174.3GB/s 512.0GB/s
Render Config
Compute Units 32 64
Shading Units 2048 4096
TMUs 128 256
ROPs 32 64
L1 Cache 16 KB (per CU) 16 KB (per CU)
L2 Cache 512 KB 2 MB
Theoretical Performance
Pixel Rate 27.20 GPixel/s 64.00 GPixel/s
Texture Rate 108.8 GTexel/s 256.0 GTexel/s
FP16 (half) 3.482 TFLOPS 8.192 TFLOPS
FP32 (float) 3.482 TFLOPS 8.192 TFLOPS
FP64 (double) 217.6 GFLOPS 512.0 GFLOPS
Graphics Processor
GPU Name Amethyst Fiji
GPU Variant Amethyst XT Fiji XT CA(215-0862120)
Architecture GCN 3.0 GCN 3.0
Foundry TSMC TSMC
Process Size 28 nm 28 nm
Transistors 5 billion 8.9 billion
Die Size 366 mm² 596 mm²
Board Design
TDP 250W 175W
Outputs No outputs No outputs
Suggested PSU 450 W
Power Connectors 1x 8-pin
Graphics Features
DirectX 12 (12_0) 12 (12_0)
OpenGL 4.6 4.6
OpenCL 2.0 2.1
Vulkan 1.2 1.2.170
Shader Model 6.3 6.5