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GPU Comparison
NVIDIA Tesla K20s vs NVIDIA L40S
NVIDIA Tesla K20s vs NVIDIA L40S
VS
NVIDIA Tesla K20s
NVIDIA L40S
We compared two Professional market GPUs: 5GB VRAM Tesla K20s and 48GB VRAM L40S to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA Tesla K20s 's Advantages
Lower TDP (225W vs 300W)
NVIDIA L40S 's Advantages
Released 9 years and 8 months late
Boost Clock2520MHz
More VRAM (48GB vs 5GB)
Larger VRAM bandwidth (864.0GB/s vs 208.0GB/s)
15680 additional rendering cores
Score
Benchmark
FP32 (float)
Tesla K20s
2.87 TFLOPS
L40S
+3091%
91.61 TFLOPS
Tesla K20s
VS
L40S
Graphics Card
Feb 2013
Release Date
Oct 2022
Tesla
Generation
Tesla Ada
Professional
Type
Professional
PCIe 2.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
-
Base Clock
1110 MHz
-
Boost Clock
2520 MHz
1300 MHz
Memory Clock
2250 MHz
Memory
5GB
Memory Size
48GB
GDDR5
Memory Type
GDDR6
320bit
Memory Bus
384bit
208.0GB/s
Bandwidth
864.0GB/s
Render Config
-
SM Count
142
-
Compute Units
-
2496
Shading Units
18176
208
TMUs
568
40
ROPs
192
-
Tensor Cores
568
-
RT Cores
142
16 KB (per SMX)
L1 Cache
128 KB (per SM)
1280 KB
L2 Cache
48 MB
Theoretical Performance
29.90 GPixel/s
Pixel Rate
483.8 GPixel/s
119.6 GTexel/s
Texture Rate
1431 GTexel/s
-
FP16 (half)
91.61 TFLOPS
2.870 TFLOPS
FP32 (float)
91.61 TFLOPS
956.8 GFLOPS
FP64 (double)
1431 GFLOPS
Graphics Processor
GK110
GPU Name
AD102
-
GPU Variant
AD102-???-A1
Kepler
Architecture
Ada Lovelace
TSMC
Foundry
TSMC
28 nm
Process Size
5 nm
7.08 billion
Transistors
76.3 billion
561 mm²
Die Size
609 mm²
Board Design
225W
TDP
300W
550 W
Suggested PSU
700 W
No outputs
Outputs
1x HDMI 2.1 3x DisplayPort 1.4a
-
Power Connectors
1x 16-pin
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
8.9
5.1
Shader Model
6.7
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