NVIDIA Tesla K20X vs NVIDIA RTX A2000 Mobile
We compared two Professional market GPUs: 6GB VRAM Tesla K20X and 4GB VRAM RTX A2000 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA Tesla K20X 's Advantages
More VRAM (6GB vs 4GB)
Larger VRAM bandwidth (249.6GB/s vs 192.0GB/s)
128 additional rendering cores
NVIDIA RTX A2000 Mobile 's Advantages
Released 8 years and 5 months late
Boost Clock1687MHz
Lower TDP (95W vs 235W)
Score
Benchmark
FP32 (float)
Tesla K20X
3.935 TFLOPS
RTX A2000 Mobile
+119%
8.637 TFLOPS
Graphics Card
Nov 2012
Release Date
Apr 2021
Tesla
Generation
Ampere-MW
Professional
Type
Professional
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
-
Base Clock
1215 MHz
-
Boost Clock
1687 MHz
1300 MHz
Memory Clock
1500 MHz
Memory
6GB
Memory Size
4GB
GDDR5
Memory Type
GDDR6
384bit
Memory Bus
128bit
249.6GB/s
Bandwidth
192.0GB/s
Render Config
-
-
-
-
SM Count
20
2688
Shading Units
2560
224
TMUs
80
48
ROPs
48
-
Tensor Cores
80
-
RT Cores
20
16 KB (per SMX)
L1 Cache
128 KB (per SM)
1536 KB
L2 Cache
2 MB
-
-
-
Theoretical Performance
40.99 GPixel/s
Pixel Rate
80.98 GPixel/s
164.0 GTexel/s
Texture Rate
135.0 GTexel/s
-
FP16 (half)
8.637 TFLOPS
3.935 TFLOPS
FP32 (float)
8.637 TFLOPS
1312 GFLOPS
FP64 (double)
135.0 GFLOPS
Board Design
235W
TDP
95W
550 W
Suggested PSU
-
No outputs
Outputs
Portable Device Dependent
1x 6-pin + 1x 8-pin
Power Connectors
None
Graphics Processor
GK110
GPU Name
GA107
-
-
-
Kepler
Architecture
Ampere
TSMC
Foundry
Samsung
28 nm
Process Size
8 nm
7.08 billion
Transistors
8.7 billion
561 mm²
Die Size
200 mm²
Graphics Features
12 (11_0)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.1
Vulkan
1.3
3.5
CUDA
8.6
5.1
Shader Model
6.8
