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GPU Comparison
NVIDIA A100 PCIe 80 GB vs NVIDIA Tesla K20s
NVIDIA A100 PCIe 80 GB vs NVIDIA Tesla K20s
VS
NVIDIA A100 PCIe 80 GB
NVIDIA Tesla K20s
We compared two Professional market GPUs: 80GB VRAM A100 PCIe 80 GB and 5GB VRAM Tesla K20s to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA A100 PCIe 80 GB 's Advantages
Released 8 years and 4 months late
Boost Clock1410MHz
More VRAM (80GB vs 5GB)
Larger VRAM bandwidth (1935GB/s vs 208.0GB/s)
4416 additional rendering cores
NVIDIA Tesla K20s 's Advantages
Lower TDP (225W vs 300W)
Score
Benchmark
FP32 (float)
A100 PCIe 80 GB
+579%
19.49 TFLOPS
Tesla K20s
2.87 TFLOPS
A100 PCIe 80 GB
VS
Tesla K20s
Graphics Card
Jun 2021
Release Date
Feb 2013
Tesla Ampere
Generation
Tesla
Professional
Type
Professional
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1065 MHz
Base Clock
-
1410 MHz
Boost Clock
-
1512 MHz
Memory Clock
1300 MHz
Memory
80GB
Memory Size
5GB
HBM2e
Memory Type
GDDR5
5120bit
Memory Bus
320bit
1935GB/s
Bandwidth
208.0GB/s
Render Config
108
SM Count
-
-
Compute Units
-
6912
Shading Units
2496
432
TMUs
208
160
ROPs
40
432
Tensor Cores
-
-
RT Cores
-
192 KB (per SM)
L1 Cache
16 KB (per SMX)
80 MB
L2 Cache
1280 KB
Theoretical Performance
225.6 GPixel/s
Pixel Rate
29.90 GPixel/s
609.1 GTexel/s
Texture Rate
119.6 GTexel/s
77.97 TFLOPS
FP16 (half)
-
19.49 TFLOPS
FP32 (float)
2.870 TFLOPS
9.746 TFLOPS
FP64 (double)
956.8 GFLOPS
Graphics Processor
GA100
GPU Name
GK110
-
GPU Variant
-
Ampere
Architecture
Kepler
TSMC
Foundry
TSMC
7 nm
Process Size
28 nm
54.2 billion
Transistors
7.08 billion
826 mm²
Die Size
561 mm²
Board Design
300W
TDP
225W
700 W
Suggested PSU
550 W
No outputs
Outputs
No outputs
8-pin EPS
Power Connectors
-
Graphics Features
N/A
DirectX
12 (11_0)
N/A
OpenGL
4.6
3.0
OpenCL
3.0
N/A
Vulkan
1.1
8.0
CUDA
3.5
N/A
Shader Model
5.1
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