AMD Radeon R9 M395X Mac Edition vs AMD Radeon Pro W6800X Duo
GPU · Specs Compare
Graphics Card
Release Date
May 2015
Aug 2021
Generation
Crystal System
Radeon Pro Mac
Type
Mobile
Desktop
Bus Interface
MXM-B (3.0)
Apple MPX
Clock Speeds
Memory Clock
1365 MHz
2000 MHz
Base Clock
—
1800 MHz
Boost Clock
—
1967 MHz
Memory
Memory Size
4GB
32GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
256bit
Bandwidth
174.7GB/s
512.0GB/s
Render Config
Compute Units
32
60
Shading Units
2048
3840
TMUs
128
240
ROPs
32
96
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
512 KB
4 MB
RT Cores
—
60
L3 Cache
—
128 MB
Theoretical Performance
Pixel Rate
29.09 GPixel/s
188.8 GPixel/s
Texture Rate
116.4 GTexel/s
472.1 GTexel/s
FP16 (half)
3.723 TFLOPS
30.21 TFLOPS
FP32 (float)
3.723 TFLOPS
15.11 TFLOPS
FP64 (double)
232.7 GFLOPS
944.2 GFLOPS
Graphics Processor
GPU Name
Amethyst
Navi 21
GPU Variant
Amethyst XT
Navi 21 Pro-XLA
Architecture
GCN 3.0
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
7 nm
Transistors
5 billion
26.8 billion
Die Size
366 mm²
520 mm²
Board Design
TDP
250W
400W
Outputs
No outputs
1x HDMI 2.14x Thunderbolt
Power Connectors
None
None
Suggested PSU
—
800 W
Graphics Features
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.0
2.1
Vulkan
1.2
1.3
Shader Model
6.3
6.7
Benchmark
Blender
—
1,422
▲ Specs Compare
Data sourced from official specifications and benchmark tests.