AMD Radeon R9 M390 Mac Edition vs AMD Radeon PRO W7900
GPU Specs Compare
Graphics Card
Release Date
May 2015
May 2023
Generation
Crystal System
Radeon Pro Navi
Type
Mobile
Professional
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Memory Clock
1365 MHz
2250 MHz
Base Clock
-
1760 MHz
Boost Clock
-
2495 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
16
96
Shading Units
1024
6144
TMUs
64
384
ROPs
32
192
L1 Cache
16 KB (per CU)
256 KB per Array
L2 Cache
512 KB
6 MB
RT Cores
-
96
L3 Cache
-
96 MB
Theoretical Performance
Pixel Rate
30.66 GPixel/s
479.0 GPixel/s
Texture Rate
61.31 GTexel/s
958.1 GTexel/s
FP32 (float)
1.962 TFLOPS
61.32 TFLOPS
FP64 (double)
122.6 GFLOPS
1.916 TFLOPS
FP16 (half)
-
122.6 TFLOPS
Graphics Processor
GPU Name
Pitcairn
Navi 31
GPU Variant
Pitcairn PRO(215-0828062)
Navi 31 XTW
Architecture
GCN 1.0
RDNA 3.0
Foundry
TSMC
TSMC
Process Size
28 nm
5 nm
Transistors
2.8 billion
57.7 billion
Die Size
212 mm²
529 mm²
Board Design
TDP
80W
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 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
1.2
2.0
Vulkan
1.2
1.4
Shader Model
5.1
6.9