AMD Radeon Pro W6900X vs NVIDIA RTX A4000 Max-Q
GPU Specs Compare
Graphics Card
Release Date
Aug 2021
Apr 2021
Generation
Radeon Pro Mac
Ampere-MW
Type
Desktop
Mobile
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1825 MHz
780 MHz
Boost Clock
2150 MHz
1395 MHz
Memory Clock
2000 MHz
1375 MHz
Memory
Memory Size
32GB
8GB
Memory Type
GDDR6
GDDR6
Memory Bus
256bit
256bit
Bandwidth
512.0GB/s
352.0GB/s
Render Config
Compute Units
80
-
Shading Units
5120
5120
TMUs
320
160
ROPs
128
80
RT Cores
80
40
L1 Cache
128 KB per Array
128 KB (per SM)
L2 Cache
4 MB
4 MB
L3 Cache
128 MB
-
SM Count
-
40
Tensor Cores
-
160
Theoretical Performance
Pixel Rate
275.2 GPixel/s
111.6 GPixel/s
Texture Rate
688.0 GTexel/s
223.2 GTexel/s
FP16 (half)
44.03 TFLOPS
14.28 TFLOPS
FP32 (float)
22.02 TFLOPS
14.28 TFLOPS
FP64 (double)
1376 GFLOPS
223.2 GFLOPS
Graphics Processor
GPU Name
Navi 21
GA104
GPU Variant
Navi 21 Pro-XTA
-
Architecture
RDNA 2.0
Ampere
Foundry
TSMC
Samsung
Process Size
7 nm
8 nm
Transistors
26.8 billion
17.4 billion
Die Size
520 mm²
392 mm²
Board Design
TDP
300W
80W
Suggested PSU
700 W
-
Outputs
1x HDMI 2.14x Thunderbolt
Portable Device Dependent
Power Connectors
None
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.1
3.0
Vulkan
1.3
1.3
Shader Model
6.5
6.8
CUDA
-
8.6