AMD Radeon R9 M390 Mac Edition vs AMD Radeon PRO W7400
GPU Specs Compare
Graphics Card
Release Date
May 2015
Unknown
Generation
Crystal System
Radeon Pro Navi
Type
Mobile
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x8
Clock Speeds
Memory Clock
1365 MHz
1350 MHz
Base Clock
-
1000 MHz
Boost Clock
-
1100 MHz
Memory
Memory Size
2GB
8GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
128bit
Bandwidth
174.7GB/s
172.8GB/s
Render Config
Compute Units
16
28
Shading Units
1024
1792
TMUs
64
112
ROPs
32
64
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
512 KB
2 MB
RT Cores
-
28
L3 Cache
-
32 MB
Theoretical Performance
Pixel Rate
30.66 GPixel/s
70.40 GPixel/s
Texture Rate
61.31 GTexel/s
123.2 GTexel/s
FP32 (float)
1.962 TFLOPS
7.885 TFLOPS
FP64 (double)
122.6 GFLOPS
246.4 GFLOPS
FP16 (half)
-
15.77 TFLOPS
Graphics Processor
GPU Name
Pitcairn
Navi 33
GPU Variant
Pitcairn PRO(215-0828062)
Navi 33
Architecture
GCN 1.0
RDNA 3.0
Foundry
TSMC
TSMC
Process Size
28 nm
6 nm
Transistors
2.8 billion
13.3 billion
Die Size
212 mm²
204 mm²
Board Design
TDP
80W
55W
Outputs
No outputs
4x DisplayPort 2.1
Power Connectors
None
None
Suggested PSU
-
250 W
Graphics Features
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
1.2
2.2
Vulkan
1.2
1.3
Shader Model
5.1
6.8