AMD Radeon R9 M395X vs AMD Radeon Instinct MI25
GPU · Specs Compare
Graphics Card
Release Date
May 2015
Jun 2017
Generation
Crystal System
Radeon Instinct
Type
Mobile
Professional
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1250 MHz
852 MHz
Base Clock
—
1400 MHz
Boost Clock
—
1500 MHz
Memory
Memory Size
8GB
16GB
Memory Type
GDDR5
HBM2
Memory Bus
256bit
2048bit
Bandwidth
160.0GB/s
436.2GB/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
4 MB
Theoretical Performance
Pixel Rate
23.14 GPixel/s
96.00 GPixel/s
Texture Rate
92.54 GTexel/s
384.0 GTexel/s
FP16 (half)
2.961 TFLOPS
24.58 TFLOPS
FP32 (float)
2.961 TFLOPS
12.29 TFLOPS
FP64 (double)
185.1 GFLOPS
768.0 GFLOPS
Graphics Processor
GPU Name
Amethyst
Vega 10
GPU Variant
Amethyst XT
Vega 10 XT GL(215-0894124)
Architecture
GCN 3.0
GCN 5.0
Foundry
TSMC
GlobalFoundries
Process Size
28 nm
14 nm
Transistors
5 billion
12.5 billion
Die Size
366 mm²
495 mm²
Board Design
TDP
75W
300W
Outputs
No outputs
No outputs
Power Connectors
None
2x 8-pin
Suggested PSU
—
700 W
Graphics Features
DirectX
12 (12_0)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
2.0
2.1
Vulkan
1.2
1.2
Shader Model
6.3
6.4
Benchmark
3DMark Time Spy
2,514
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.