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GPU Comparison
NVIDIA Tesla K20s vs NVIDIA RTX A4 Mobile
NVIDIA Tesla K20s vs NVIDIA RTX A4 Mobile
VS
NVIDIA Tesla K20s
NVIDIA RTX A4 Mobile
We compared two Professional market GPUs: 5GB VRAM Tesla K20s and 4GB VRAM RTX A4 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA Tesla K20s 's Advantages
More VRAM (5GB vs 4GB)
448 additional rendering cores
NVIDIA RTX A4 Mobile 's Advantages
Released 8 years and 2 months late
Boost Clock1770MHz
Larger VRAM bandwidth (224.0GB/s vs 208.0GB/s)
Score
Benchmark
FP32 (float)
Tesla K20s
2.87 TFLOPS
RTX A4 Mobile
+152%
7.25 TFLOPS
Tesla K20s
VS
RTX A4 Mobile
Graphics Card
Feb 2013
Release Date
Apr 2021
Tesla
Generation
Quadro Ampere-M
Professional
Type
Professional
PCIe 2.0 x16
Bus Interface
PCIe 4.0 x8
Clock Speeds
-
Base Clock
1297 MHz
-
Boost Clock
1770 MHz
1300 MHz
Memory Clock
1750 MHz
Memory
5GB
Memory Size
4GB
GDDR5
Memory Type
GDDR6
320bit
Memory Bus
128bit
208.0GB/s
Bandwidth
224.0GB/s
Render Config
-
SM Count
16
-
Compute Units
-
2496
Shading Units
2048
208
TMUs
64
40
ROPs
32
-
Tensor Cores
64
-
RT Cores
16
16 KB (per SMX)
L1 Cache
128 KB (per SM)
1280 KB
L2 Cache
2 MB
Theoretical Performance
29.90 GPixel/s
Pixel Rate
56.64 GPixel/s
119.6 GTexel/s
Texture Rate
113.3 GTexel/s
-
FP16 (half)
7.250 TFLOPS
2.870 TFLOPS
FP32 (float)
7.250 TFLOPS
956.8 GFLOPS
FP64 (double)
113.3 GFLOPS
Graphics Processor
GK110
GPU Name
GA107
-
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
Board Design
225W
TDP
Unknown
550 W
Suggested PSU
-
No outputs
Outputs
Portable Device Dependent
-
Power Connectors
None
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
6.7
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