NVIDIA Tesla K20X vs NVIDIA A2
GPU Specs Compare
Graphics Card
Release Date
Nov 2012
Nov 2021
Generation
Tesla
Quadro
Type
Professional
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x8
Clock Speeds
Memory Clock
1300 MHz
1563 MHz
Base Clock
-
1440 MHz
Boost Clock
-
1770 MHz
Memory
Memory Size
6GB
16GB
Memory Type
GDDR5
GDDR6
Memory Bus
384bit
128bit
Bandwidth
249.6GB/s
200.1GB/s
Render Config
Shading Units
2688
1280
TMUs
224
40
ROPs
48
32
L1 Cache
16 KB (per SMX)
128 KB (per SM)
L2 Cache
1536 KB
2 MB
SM Count
-
10
Tensor Cores
-
40
RT Cores
-
10
Theoretical Performance
Pixel Rate
40.99 GPixel/s
56.64 GPixel/s
Texture Rate
164.0 GTexel/s
70.80 GTexel/s
FP32 (float)
3.935 TFLOPS
4.531 TFLOPS
FP64 (double)
1312 GFLOPS
70.80 GFLOPS
FP16 (half)
-
4.531 TFLOPS
Graphics Processor
GPU Name
GK110
GA107
Architecture
Kepler
Ampere
Foundry
TSMC
Samsung
Process Size
28 nm
8 nm
Transistors
7.08 billion
Unknown
Die Size
561 mm²
Unknown
Board Design
TDP
235W
60W
Suggested PSU
550 W
250 W
Outputs
No outputs
No outputs
Power Connectors
1x 6-pin + 1x 8-pin
None
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
6.6