NVIDIA A40 PCIe vs NVIDIA Tesla T40 24 GB
GPU · Specs Compare
Graphics Card
Release Date
Oct 2020
Unknown
Generation
Tesla
Tesla Turing
Type
Desktop
Professional
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1305 MHz
1305 MHz
Boost Clock
1740 MHz
1560 MHz
Memory Clock
1812 MHz
1625 MHz
Memory
Memory Size
48GB
24GB
Memory Type
GDDR6
GDDR6
Memory Bus
384bit
384bit
Bandwidth
695.8GB/s
624.0GB/s
Render Config
SM Count
84
72
Shading Units
10752
4608
TMUs
336
288
ROPs
112
96
Tensor Cores
336
576
RT Cores
84
72
L1 Cache
128 KB (per SM)
64 KB (per SM)
L2 Cache
6 MB
6 MB
Theoretical Performance
Pixel Rate
194.9 GPixel/s
149.8 GPixel/s
Texture Rate
584.6 GTexel/s
449.3 GTexel/s
FP16 (half)
37.42 TFLOPS
28.75 TFLOPS
FP32 (float)
37.42 TFLOPS
14.38 TFLOPS
FP64 (double)
584.6 GFLOPS
449.3 GFLOPS
Graphics Processor
GPU Name
GA102
TU102
Architecture
Ampere
Turing
Foundry
Samsung
TSMC
Process Size
8 nm
12 nm
Transistors
28.3 billion
18.6 billion
Die Size
628 mm²
754 mm²
Board Design
TDP
300W
250W
Suggested PSU
700 W
600 W
Outputs
3x DisplayPort 1.4a
No outputs
Power Connectors
8-pin EPS
1x 8-pin
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
7.5
Shader Model
6.6
6.8
▲ Specs Compare
Data sourced from official specifications and benchmark tests.