AMD Radeon Pro W6800X vs NVIDIA A40 PCIe
GPU · Specs Compare
Graphics Card
Release Date
Aug 2021
Oct 2020
Generation
Radeon Pro Mac
Tesla
Type
Desktop
Desktop
Bus Interface
Apple MPX
PCIe 4.0 x16
Clock Speeds
Base Clock
1800 MHz
1305 MHz
Boost Clock
2087 MHz
1740 MHz
Memory Clock
2000 MHz
1812 MHz
Memory
Memory Size
32GB
48GB
Memory Type
GDDR6
GDDR6
Memory Bus
256bit
384bit
Bandwidth
512.0GB/s
695.8GB/s
Render Config
Compute Units
60
—
Shading Units
3840
10752
TMUs
240
336
ROPs
96
112
RT Cores
60
84
L1 Cache
128 KB per Array
128 KB (per SM)
L2 Cache
4 MB
6 MB
L3 Cache
128 MB
—
SM Count
—
84
Tensor Cores
—
336
Theoretical Performance
Pixel Rate
200.4 GPixel/s
194.9 GPixel/s
Texture Rate
500.9 GTexel/s
584.6 GTexel/s
FP16 (half)
32.06 TFLOPS
37.42 TFLOPS
FP32 (float)
16.03 TFLOPS
37.42 TFLOPS
FP64 (double)
1002 GFLOPS
584.6 GFLOPS
Graphics Processor
GPU Name
Navi 21
GA102
GPU Variant
Navi 21 Pro-XLA
—
Architecture
RDNA 2.0
Ampere
Foundry
TSMC
Samsung
Process Size
7 nm
8 nm
Transistors
26.8 billion
28.3 billion
Die Size
520 mm²
628 mm²
Board Design
TDP
200W
300W
Suggested PSU
550 W
700 W
Outputs
1x HDMI 2.14x Thunderbolt
3x DisplayPort 1.4a
Power Connectors
Apple MPX
8-pin EPS
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
6.7
6.6
CUDA
—
8.6
Benchmark
Blender
1,424
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.