NVIDIA Tesla K40t vs NVIDIA RTX A6000
GPU Specs Compare
Graphics Card
Release Date
Nov 2013
Oct 2020
Generation
Tesla Kepler
Quadro Ampere
Type
Professional
Professional
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
745 MHz
1410 MHz
Boost Clock
876 MHz
1800 MHz
Memory Clock
1502 MHz
2000 MHz
Memory
Memory Size
12GB
48GB
Memory Type
GDDR5
GDDR6
Memory Bus
384bit
384bit
Bandwidth
288.4GB/s
768.0GB/s
Render Config
Shading Units
2880
10752
TMUs
240
336
ROPs
48
112
L1 Cache
16 KB (per SMX)
128 KB (per SM)
L2 Cache
1536 KB
6 MB
SM Count
-
84
Tensor Cores
-
336
RT Cores
-
84
Theoretical Performance
Pixel Rate
52.56 GPixel/s
201.6 GPixel/s
Texture Rate
210.2 GTexel/s
604.8 GTexel/s
FP32 (float)
5.046 TFLOPS
38.71 TFLOPS
FP64 (double)
1.682 TFLOPS
604.8 GFLOPS
FP16 (half)
-
38.71 TFLOPS
Graphics Processor
GPU Name
GK110B
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
245W
300W
Suggested PSU
550 W
700 W
Outputs
No outputs
4x DisplayPort 1.4a
Power Connectors
-
8-pin EPS
Graphics Features
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.2.175
1.3
CUDA
3.5
8.6
Shader Model
6.5 (5.1)
6.7
📊 Benchmark
3DMark Time Spy
-
17,742
3DMark Time Spy Extreme
-
9,324
OctaneBench
-
600
3DMark Speed Way
-
4,965
Blender
-
5,387