AMD Radeon Instinct MI250 vs AMD Radeon R9 M395X Mac Edition
GPU · Specs Compare
Graphics Card
Release Date
Nov 2021
May 2015
Generation
Radeon Instinct
Crystal System
Type
Professional
Mobile
Bus Interface
PCIe 4.0 x16
MXM-B (3.0)
Clock Speeds
Base Clock
1000 MHz
—
Boost Clock
1700 MHz
—
Memory Clock
1600 MHz
1365 MHz
Memory
Memory Size
128GB
4GB
Memory Type
HBM2e
GDDR5
Memory Bus
8192bit
256bit
Bandwidth
3277GB/s
174.7GB/s
Render Config
Compute Units
208
32
Shading Units
13312
2048
TMUs
832
128
ROPs
0
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
16 MB
512 KB
Theoretical Performance
Pixel Rate
0 MPixel/s
29.09 GPixel/s
Texture Rate
1414 GTexel/s
116.4 GTexel/s
FP16 (half)
362.1 TFLOPS
3.723 TFLOPS
FP32 (float)
45.26 TFLOPS
3.723 TFLOPS
FP64 (double)
45.26 TFLOPS
232.7 GFLOPS
Graphics Processor
GPU Name
Aldebaran
Amethyst
GPU Variant
Aldebaran
Amethyst XT
Architecture
CDNA 2.0
GCN 3.0
Foundry
TSMC
TSMC
Process Size
6 nm
28 nm
Transistors
58.2 billion
5 billion
Die Size
Unknown
366 mm²
Board Design
TDP
500W
250W
Suggested PSU
900 W
—
Outputs
No outputs
No outputs
Power Connectors
2x 8-pin
None
Graphics Features
DirectX
N/A
12 (12_0)
OpenGL
N/A
4.6
OpenCL
3.0
2.0
Vulkan
N/A
1.2
Shader Model
N/A
6.3
▲ Specs Compare
Data sourced from official specifications and benchmark tests.