RTX A6000 vs A40 PCIe
We compared a Professional market GPU: 48GB VRAM RTX A6000 and a Desktop platform GPU: 48GB VRAM A40 PCIe to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
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)
RTX A6000
+3%
38710
A40 PCIe
37420
Blender
RTX A6000
+35%
5387
A40 PCIe
3990
Graphics Card
Oct 2020
Release Date
Oct 2020
Quadro Ampere
Generation
Tesla
Professional
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
1410 MHz
Base Clock
1305 MHz
1800 MHz
Boost Clock
1740 MHz
2000 MHz
Memory Clock
1812 MHz
Memory
48GB
Memory Size
48GB
GDDR6
Memory Type
GDDR6
384bit
Memory Bus
384bit
768.0GB/s
Bandwidth
695.8GB/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
201.6 GPixel/s
Pixel Rate
194.9 GPixel/s
604.8 GTexel/s
Texture Rate
584.6 GTexel/s
38.71 TFLOPS
FP16 (half)
37.42 TFLOPS
38.71 TFLOPS
FP32 (float)
37.42 TFLOPS
604.8 GFLOPS
FP64 (double)
584.6 GFLOPS
Board Design
300W
TDP
300W
700 W
Suggested PSU
700 W
4x DisplayPort 1.4a
Outputs
3x 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
6.7
Shader Model
6.6
