NVIDIA RTX A2000 vs NVIDIA A40 PCIe
GPU Specs Compare
Graphics Card
Release Date
Aug 2021
Oct 2020
Generation
Quadro Ampere
Tesla
Type
Professional
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
562 MHz
1305 MHz
Boost Clock
1200 MHz
1740 MHz
Memory Clock
1500 MHz
1812 MHz
Memory
Memory Size
6GB
48GB
Memory Type
GDDR6
GDDR6
Memory Bus
192bit
384bit
Bandwidth
288.0GB/s
695.8GB/s
Render Config
SM Count
26
84
Shading Units
3328
10752
TMUs
104
336
ROPs
48
112
Tensor Cores
104
336
RT Cores
26
84
L1 Cache
128 KB (per SM)
128 KB (per SM)
L2 Cache
3 MB
6 MB
Theoretical Performance
Pixel Rate
57.60 GPixel/s
194.9 GPixel/s
Texture Rate
124.8 GTexel/s
584.6 GTexel/s
FP16 (half)
7.987 TFLOPS
37.42 TFLOPS
FP32 (float)
7.987 TFLOPS
37.42 TFLOPS
FP64 (double)
124.8 GFLOPS
584.6 GFLOPS
Graphics Processor
GPU Name
GA106
GA102
GPU Variant
GA106-850-A1
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Architecture
Ampere
Ampere
Foundry
Samsung
Samsung
Process Size
8 nm
8 nm
Transistors
12 billion
28.3 billion
Die Size
276 mm²
628 mm²
Board Design
TDP
70W
300W
Suggested PSU
250 W
700 W
Outputs
4x mini-DisplayPort 1.4a
3x DisplayPort 1.4a
Power Connectors
None
8-pin EPS
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
6.7
6.6