AMD Radeon R9 M395X Mac Edition vs NVIDIA RTX A4000 Max-Q
GPU Specs Compare
Graphics Card
Release Date
May 2015
Apr 2021
Generation
Crystal System
Ampere-MW
Type
Mobile
Mobile
Bus Interface
MXM-B (3.0)
PCIe 4.0 x16
Clock Speeds
Memory Clock
1365 MHz
1375 MHz
Base Clock
-
780 MHz
Boost Clock
-
1395 MHz
Memory
Memory Size
4GB
8GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
256bit
Bandwidth
174.7GB/s
352.0GB/s
Render Config
Compute Units
32
-
Shading Units
2048
5120
TMUs
128
160
ROPs
32
80
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
512 KB
4 MB
SM Count
-
40
Tensor Cores
-
160
RT Cores
-
40
Theoretical Performance
Pixel Rate
29.09 GPixel/s
111.6 GPixel/s
Texture Rate
116.4 GTexel/s
223.2 GTexel/s
FP16 (half)
3.723 TFLOPS
14.28 TFLOPS
FP32 (float)
3.723 TFLOPS
14.28 TFLOPS
FP64 (double)
232.7 GFLOPS
223.2 GFLOPS
Graphics Processor
GPU Name
Amethyst
GA104
GPU Variant
Amethyst XT
-
Architecture
GCN 3.0
Ampere
Foundry
TSMC
Samsung
Process Size
28 nm
8 nm
Transistors
5 billion
17.4 billion
Die Size
366 mm²
392 mm²
Board Design
TDP
250W
80W
Outputs
No outputs
Portable Device Dependent
Power Connectors
None
None
Graphics Features
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.0
3.0
Vulkan
1.2
1.3
Shader Model
6.3
6.8
CUDA
-
8.6