AMD Radeon R9 M395 Mac Edition vs AMD Radeon PRO W7900D
GPU Specs Compare
Graphics Card
Release Date
May 2015
Nov 2025
Generation
Crystal System
Radeon Pro Navi
Type
Mobile
Desktop
Bus Interface
MXM-B (3.0)
PCIe 4.0 x16
Clock Speeds
Memory Clock
1365 MHz
2250 MHz
Base Clock
-
1327 MHz
Boost Clock
-
2156 MHz
Memory
Memory Size
2GB
48GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
384bit
Bandwidth
174.7GB/s
864.0GB/s
Render Config
Compute Units
28
96
Shading Units
1792
6144
TMUs
112
384
ROPs
32
192
RT Cores
-
96
L1 Cache
-
256 KB per Array
L2 Cache
-
6 MB
L3 Cache
-
96 MB
Theoretical Performance
Pixel Rate
26.69 GPixel/s
414.0 GPixel/s
Texture Rate
93.41 GTexel/s
827.9 GTexel/s
FP32 (float)
2.989 TFLOPS
52.99 TFLOPS
FP64 (double)
373.6 GFLOPS
1.656 TFLOPS
FP16 (half)
-
106.0 TFLOPS
Graphics Processor
GPU Name
Amethyst
Navi 31
GPU Variant
Amethyst PRO(216-0872004)
Navi 31
Architecture
GCN 3.0
RDNA 3.0
Foundry
TSMC
TSMC
Process Size
28 nm
5 nm
Transistors
5 billion
57.7 billion
Die Size
366 mm²
529 mm²
Board Design
TDP
250W
295W
Outputs
No outputs
3x DisplayPort 2.11x mini-DisplayPort 2.1
Power Connectors
None
2x 8-pin
Suggested PSU
-
600 W
Graphics Features
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.0
2.2
Vulkan
1.2
1.4
Shader Model
6.3
6.9