NVIDIA A40 PCIe vs NVIDIA RTX A6000
We compared a Desktop platform GPU: 48GB VRAM A40 PCIe and a Professional market GPU: 48GB VRAM RTX A6000 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA RTX A6000 's Advantages
Boost Clock has increased by 3% (1800MHz vs 1740MHz)
Larger VRAM bandwidth (768.0GB/s vs 695.8GB/s)
Score
Benchmark
FP32 (float)
A40 PCIe
37.42 TFLOPS
RTX A6000
+3%
38.71 TFLOPS
Blender
A40 PCIe
3990
RTX A6000
+35%
5387
Graphics Card
Oct 2020
Release Date
Oct 2020
Tesla
Generation
Quadro Ampere
Desktop
Type
Professional
PCIe 4.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
1305 MHz
Base Clock
1410 MHz
1740 MHz
Boost Clock
1800 MHz
1812 MHz
Memory Clock
2000 MHz
Memory
48GB
Memory Size
48GB
GDDR6
Memory Type
GDDR6
384bit
Memory Bus
384bit
695.8GB/s
Bandwidth
768.0GB/s
Render Config
-
-
-
84
SM Count
84
10752
Shading Units
10752
336
TMUs
336
112
ROPs
112
336
Tensor Cores
336
84
RT Cores
84
128 KB (per SM)
L1 Cache
128 KB (per SM)
6 MB
L2 Cache
6 MB
-
-
-
Theoretical Performance
194.9 GPixel/s
Pixel Rate
201.6 GPixel/s
584.6 GTexel/s
Texture Rate
604.8 GTexel/s
37.42 TFLOPS
FP16 (half)
38.71 TFLOPS
37.42 TFLOPS
FP32 (float)
38.71 TFLOPS
584.6 GFLOPS
FP64 (double)
604.8 GFLOPS
Board Design
300W
TDP
300W
700 W
Suggested PSU
700 W
3x DisplayPort 1.4a
Outputs
4x DisplayPort 1.4a
8-pin EPS
Power Connectors
8-pin EPS
Graphics Processor
GA102
GPU Name
GA102
-
-
-
Ampere
Architecture
Ampere
Samsung
Foundry
Samsung
8 nm
Process Size
8 nm
28.3 billion
Transistors
28.3 billion
628 mm²
Die Size
628 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.3
8.6
CUDA
8.6
6.6
Shader Model
6.7
