NVIDIA Tesla K20c vs NVIDIA RTX A2000 Mobile
We compared two Professional market GPUs: 5GB VRAM Tesla K20c 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 K20c 's Advantages
More VRAM (5GB vs 4GB)
Larger VRAM bandwidth (208.0GB/s vs 192.0GB/s)
NVIDIA RTX A2000 Mobile 's Advantages
Released 8 years and 5 months late
Boost Clock1687MHz
64 additional rendering cores
Lower TDP (95W vs 225W)
Score
Benchmark
FP32 (float)
Tesla K20c
3.524 TFLOPS
RTX A2000 Mobile
+145%
8.637 TFLOPS
OctaneBench
Tesla K20c
55
RTX A2000 Mobile
+52%
84
Graphics Card
Nov 2012
Release Date
Apr 2021
Tesla
Generation
Ampere-MW
Professional
Type
Professional
PCIe 2.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
-
Base Clock
1215 MHz
-
Boost Clock
1687 MHz
1300 MHz
Memory Clock
1500 MHz
Memory
5GB
Memory Size
4GB
GDDR5
Memory Type
GDDR6
320bit
Memory Bus
128bit
208.0GB/s
Bandwidth
192.0GB/s
Render Config
-
-
-
-
SM Count
20
2496
Shading Units
2560
208
TMUs
80
40
ROPs
48
-
Tensor Cores
80
-
RT Cores
20
16 KB (per SMX)
L1 Cache
128 KB (per SM)
1280 KB
L2 Cache
2 MB
-
-
-
Theoretical Performance
36.71 GPixel/s
Pixel Rate
80.98 GPixel/s
146.8 GTexel/s
Texture Rate
135.0 GTexel/s
-
FP16 (half)
8.637 TFLOPS
3.524 TFLOPS
FP32 (float)
8.637 TFLOPS
1175 GFLOPS
FP64 (double)
135.0 GFLOPS
Board Design
225W
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
GK110-885-KA-A1
GPU Variant
-
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
