NVIDIA RTX A6000 vs NVIDIA Tesla K20X
We compared two Professional market GPUs: 48GB VRAM RTX A6000 and 6GB VRAM Tesla K20X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA RTX A6000 's Advantages
Released 7 years and 11 months late
Boost Clock1800MHz
More VRAM (48GB vs 6GB)
Larger VRAM bandwidth (768.0GB/s vs 249.6GB/s)
8064 additional rendering cores
NVIDIA Tesla K20X 's Advantages
Lower TDP (235W vs 300W)
Score
Benchmark
FP32 (float)
RTX A6000
+883%
38.71 TFLOPS
Tesla K20X
3.935 TFLOPS
Graphics Card
Oct 2020
Release Date
Nov 2012
Quadro Ampere
Generation
Tesla
Professional
Type
Professional
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1410 MHz
Base Clock
-
1800 MHz
Boost Clock
-
2000 MHz
Memory Clock
1300 MHz
Memory
48GB
Memory Size
6GB
GDDR6
Memory Type
GDDR5
384bit
Memory Bus
384bit
768.0GB/s
Bandwidth
249.6GB/s
Render Config
-
-
-
84
SM Count
-
10752
Shading Units
2688
336
TMUs
224
112
ROPs
48
336
Tensor Cores
-
84
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per SMX)
6 MB
L2 Cache
1536 KB
-
-
-
Theoretical Performance
201.6 GPixel/s
Pixel Rate
40.99 GPixel/s
604.8 GTexel/s
Texture Rate
164.0 GTexel/s
38.71 TFLOPS
FP16 (half)
-
38.71 TFLOPS
FP32 (float)
3.935 TFLOPS
604.8 GFLOPS
FP64 (double)
1312 GFLOPS
Board Design
300W
TDP
235W
700 W
Suggested PSU
550 W
4x DisplayPort 1.4a
Outputs
No outputs
8-pin EPS
Power Connectors
1x 6-pin + 1x 8-pin
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
