NVIDIA Tesla K40c vs NVIDIA A2
GPU Specs Compare
Graphics Card
Release Date
Oct 2013
Nov 2021
Generation
Tesla
Quadro
Type
Professional
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x8
Clock Speeds
Base Clock
745 MHz
1440 MHz
Boost Clock
876 MHz
1770 MHz
Memory Clock
1502 MHz
1563 MHz
Memory
Memory Size
12GB
16GB
Memory Type
GDDR5
GDDR6
Memory Bus
384bit
128bit
Bandwidth
288.4GB/s
200.1GB/s
Render Config
Shading Units
2880
1280
TMUs
240
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
52.56 GPixel/s
56.64 GPixel/s
Texture Rate
210.2 GTexel/s
70.80 GTexel/s
FP32 (float)
5.046 TFLOPS
4.531 TFLOPS
FP64 (double)
1.682 TFLOPS
70.80 GFLOPS
FP16 (half)
-
4.531 TFLOPS
Graphics Processor
GPU Name
GK180
GA107
GPU Variant
GK180-890-A1
-
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
245W
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