NVIDIA A40 PCIe vs NVIDIA RTX A1000
GPU · Specs Compare
Graphics Card
Release Date
Oct 2020
Apr 2024
Generation
Tesla
Quadro Ampere
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x8
Clock Speeds
Base Clock
1305 MHz
727 MHz
Boost Clock
1740 MHz
1462 MHz
Memory Clock
1812 MHz
1500 MHz
Memory
Memory Size
48GB
8GB
Memory Type
GDDR6
GDDR6
Memory Bus
384bit
128bit
Bandwidth
695.8GB/s
192.0GB/s
Render Config
SM Count
84
18
Shading Units
10752
2304
TMUs
336
72
ROPs
112
32
Tensor Cores
336
72
RT Cores
84
18
L1 Cache
128 KB (per SM)
128 KB (per SM)
L2 Cache
6 MB
2 MB
Theoretical Performance
Pixel Rate
194.9 GPixel/s
46.78 GPixel/s
Texture Rate
584.6 GTexel/s
105.3 GTexel/s
FP16 (half)
37.42 TFLOPS
6.737 TFLOPS
FP32 (float)
37.42 TFLOPS
6.737 TFLOPS
FP64 (double)
584.6 GFLOPS
105.3 GFLOPS
Graphics Processor
GPU Name
GA102
GA107
Architecture
Ampere
Ampere
Foundry
Samsung
Samsung
Process Size
8 nm
8 nm
Transistors
28.3 billion
8.7 billion
Die Size
628 mm²
200 mm²
Board Design
TDP
300W
50W
Suggested PSU
700 W
250 W
Outputs
3x DisplayPort 1.4a
4x mini-DisplayPort 1.4a
Power Connectors
8-pin EPS
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.3
1.3
CUDA
8.6
8.6
Shader Model
6.6
6.7
▲ Specs Compare
Data sourced from official specifications and benchmark tests.