RTX A6000 vs Tesla K20s
We compared two Professional market GPUs: 48GB VRAM RTX A6000 and 5GB VRAM Tesla K20s to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
RTX A6000 's Advantages
Released 7 years and 8 months late
Boost Clock1800MHz
More VRAM (48GB vs 5GB)
Larger VRAM bandwidth (768.0GB/s vs 208.0GB/s)
8256 additional rendering cores
Tesla K20s 's Advantages
Lower TDP (225W vs 300W)
Score
Benchmark
FP32 (float)
RTX A6000
+1248%
38710
Tesla K20s
2870
Graphics Card
Oct 2020
Release Date
Feb 2013
Quadro Ampere
Generation
Tesla
Professional
Type
Professional
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1410 MHz
Base Clock
-
1800 MHz
Boost Clock
-
2000 MHz
Memory Clock
1300 MHz
Memory
48GB
Memory Size
5GB
GDDR6
Memory Type
GDDR5
384bit
Memory Bus
320bit
768.0GB/s
Bandwidth
208.0GB/s
Render Config
84
SM Count
-
10752
Shading Units
2496
336
TMUs
208
112
ROPs
40
336
Tensor Cores
-
84
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per SMX)
6 MB
L2 Cache
1280 KB
Theoretical Performance
201.6 GPixel/s
Pixel Rate
29.90 GPixel/s
604.8 GTexel/s
Texture Rate
119.6 GTexel/s
38.71 TFLOPS
FP16 (half)
-
38.71 TFLOPS
FP32 (float)
2.870 TFLOPS
604.8 GFLOPS
FP64 (double)
956.8 GFLOPS
Board Design
300W
TDP
225W
700 W
Suggested PSU
550 W
4x DisplayPort 1.4a
Outputs
No outputs
8-pin EPS
Power Connectors
-
Graphics Processor
GA102
GPU Name
GK110
Ampere
Architecture
Kepler
Samsung
Foundry
TSMC
8 nm
Process Size
28 nm
28.3 billion
Transistors
7.08 billion
628 mm²
Die Size
561 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.1
8.6
CUDA
3.5
6.7
Shader Model
5.1
