NVIDIA A800 PCIe 40 GB vs NVIDIA Tesla K20s
GPU Specs Compare
Graphics Card
Release Date
Nov 2022
Feb 2013
Generation
Ampere
Tesla
Type
AI GPU
Professional
Bus Interface
PCIe 4.0 x16
PCIe 2.0 x16
Clock Speeds
Base Clock
765 MHz
-
Boost Clock
1410 MHz
-
Memory Clock
1215 MHz
1300 MHz
Memory
Memory Size
40GB
5GB
Memory Type
HBM2e
GDDR5
Memory Bus
5120bit
320bit
Bandwidth
1555GB/s
208.0GB/s
Render Config
SM Count
108
-
Shading Units
6912
2496
TMUs
432
208
ROPs
160
40
Tensor Cores
432
-
L1 Cache
192 KB (per SM)
16 KB (per SMX)
L2 Cache
40 MB
1280 KB
Theoretical Performance
Pixel Rate
225.6 GPixel/s
29.90 GPixel/s
Texture Rate
609.1 GTexel/s
119.6 GTexel/s
FP16 (half)
77.97 TFLOPS
-
FP32 (float)
19.49 TFLOPS
2.870 TFLOPS
FP64 (double)
9.746 TFLOPS
956.8 GFLOPS
Graphics Processor
GPU Name
GA100
GK110
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
225W
Suggested PSU
600 W
550 W
Outputs
No outputs
No outputs
Power Connectors
8-pin EPS
-
Graphics Features
DirectX
N/A
12 (11_0)
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