AMD Radeon Instinct MI250X vs AMD Radeon R9 M395 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
2GB
Memory Type
HBM2e
GDDR5
Memory Bus
8192bit
256bit
Bandwidth
3277GB/s
174.7GB/s
Render Config
Compute Units
220
28
Shading Units
14080
1792
TMUs
880
112
ROPs
0
32
L1 Cache
16 KB (per CU)
—
L2 Cache
16 MB
—
Theoretical Performance
Pixel Rate
0 MPixel/s
26.69 GPixel/s
Texture Rate
1496 GTexel/s
93.41 GTexel/s
FP16 (half)
383.0 TFLOPS
—
FP32 (float)
47.87 TFLOPS
2.989 TFLOPS
FP64 (double)
47.87 TFLOPS
373.6 GFLOPS
Graphics Processor
GPU Name
Aldebaran
Amethyst
GPU Variant
Aldebaran XT
Amethyst PRO(216-0872004)
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.