NVIDIA A100 PCIe vs NVIDIA Tesla K40st
GPU Specs Compare
Graphics Card
Release Date
Jun 2020
Nov 2013
Generation
Tesla
Tesla
Type
AI GPU
Professional
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
765 MHz
-
Boost Clock
1410 MHz
-
Memory Clock
1215 MHz
1502 MHz
Memory
Memory Size
40GB
12GB
Memory Type
HBM2e
GDDR5
Memory Bus
5120bit
384bit
Bandwidth
1555GB/s
288.4GB/s
Render Config
SM Count
108
-
Shading Units
6912
2880
TMUs
432
240
ROPs
160
48
Tensor Cores
432
-
L1 Cache
192 KB (per SM)
16 KB (per SMX)
L2 Cache
40 MB
1536 KB
Theoretical Performance
Pixel Rate
225.6 GPixel/s
34.50 GPixel/s
Texture Rate
609.1 GTexel/s
138.0 GTexel/s
FP16 (half)
77.97 TFLOPS
-
FP32 (float)
19.49 TFLOPS
3.312 TFLOPS
FP64 (double)
9.746 TFLOPS
1104 GFLOPS
Graphics Processor
GPU Name
GA100
GK110B
Architecture
Ampere
Kepler
Foundry
TSMC
TSMC
Process Size
7 nm
28 nm
Transistors
54.2 billion
7.08 billion
Die Size
826 mm²
561 mm²
Board Design
TDP
250W
245W
Suggested PSU
600 W
550 W
Outputs
No outputs
No outputs
Power Connectors
8-pin EPS
-
Graphics Features
DirectX
N/A
12 (11_1)
OpenGL
N/A
4.6
OpenCL
3.0
3.0
Vulkan
N/A
1.1
CUDA
8.0
3.5
Shader Model
N/A
5.1