NVIDIA Tesla K20s vs NVIDIA A10M
GPU Specs Compare
Graphics Card
Release Date
Feb 2013
Feb 2022
Generation
Tesla
Server Ampere
Type
Professional
Professional
Bus Interface
PCIe 2.0 x16
PCIe 4.0 x16
Clock Speeds
Memory Clock
1300 MHz
1563 MHz
Base Clock
-
975 MHz
Boost Clock
-
1635 MHz
Memory
Memory Size
5GB
20GB
Memory Type
GDDR5
GDDR6
Memory Bus
320bit
320bit
Bandwidth
208.0GB/s
500.2GB/s
Render Config
Shading Units
2496
7168
TMUs
208
224
ROPs
40
80
L1 Cache
16 KB (per SMX)
128 KB (per SM)
L2 Cache
1280 KB
6 MB
SM Count
-
56
Tensor Cores
-
224
RT Cores
-
56
Theoretical Performance
Pixel Rate
29.90 GPixel/s
130.8 GPixel/s
Texture Rate
119.6 GTexel/s
366.2 GTexel/s
FP32 (float)
2.870 TFLOPS
23.44 TFLOPS
FP64 (double)
956.8 GFLOPS
732.5 GFLOPS
FP16 (half)
-
23.44 TFLOPS
Graphics Processor
GPU Name
GK110
GA102
Architecture
Kepler
Ampere
Foundry
TSMC
Samsung
Process Size
28 nm
8 nm
Transistors
7.08 billion
28.3 billion
Die Size
561 mm²
628 mm²
Board Design
TDP
225W
150W
Suggested PSU
550 W
450 W
Outputs
No outputs
No outputs
Power Connectors
-
8-pin EPS
Graphics Features
DirectX
12 (11_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.1
1.3
CUDA
3.5
8.6
Shader Model
5.1
6.8