NVIDIA Tesla K20c vs NVIDIA RTX A3000 Mobile
We compared two Professional market GPUs: 5GB VRAM Tesla K20c and 6GB VRAM RTX A3000 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA RTX A3000 Mobile 's Advantages
Released 8 years and 5 months late
Boost Clock1230MHz
More VRAM (6GB vs 5GB)
Larger VRAM bandwidth (264.0GB/s vs 208.0GB/s)
1600 additional rendering cores
Lower TDP (70W vs 225W)
Score
Benchmark
FP32 (float)
Tesla K20c
3.524 TFLOPS
RTX A3000 Mobile
+186%
10.08 TFLOPS
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
600 MHz
-
Boost Clock
1230 MHz
1300 MHz
Memory Clock
1375 MHz
Memory
5GB
Memory Size
6GB
GDDR5
Memory Type
GDDR6
320bit
Memory Bus
192bit
208.0GB/s
Bandwidth
264.0GB/s
Render Config
-
-
-
-
SM Count
32
2496
Shading Units
4096
208
TMUs
128
40
ROPs
64
-
Tensor Cores
128
-
RT Cores
32
16 KB (per SMX)
L1 Cache
128 KB (per SM)
1280 KB
L2 Cache
4 MB
-
-
-
Theoretical Performance
36.71 GPixel/s
Pixel Rate
78.72 GPixel/s
146.8 GTexel/s
Texture Rate
157.4 GTexel/s
-
FP16 (half)
10.08 TFLOPS
3.524 TFLOPS
FP32 (float)
10.08 TFLOPS
1175 GFLOPS
FP64 (double)
157.4 GFLOPS
Board Design
225W
TDP
70W
550 W
Suggested PSU
-
No outputs
Outputs
Portable Device Dependent
1x 6-pin + 1x 8-pin
Power Connectors
None
Graphics Processor
GK110
GPU Name
GA104
GK110-885-KA-A1
GPU Variant
-
Kepler
Architecture
Ampere
TSMC
Foundry
Samsung
28 nm
Process Size
8 nm
7.08 billion
Transistors
17.4 billion
561 mm²
Die Size
392 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
