NVIDIA L40S vs NVIDIA Tesla K20Xm

VS

NVIDIA L40S

NVIDIA Tesla K20Xm

We compared two Professional market GPUs: 48GB VRAM L40S and 6GB VRAM Tesla K20Xm to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA L40S 's Advantages

Released 9 years and 11 months late

Boost Clock2520MHz

More VRAM (48GB vs 6GB)

Larger VRAM bandwidth (864.0GB/s vs 249.6GB/s)

15488 additional rendering cores

NVIDIA Tesla K20Xm 's Advantages

Lower TDP (235W vs 300W)

Score

Benchmark

FP32 (float)

L40S +2228%

91.61 TFLOPS

Tesla K20Xm

3.935 TFLOPS

Blender

L40S +2383%

9239

Tesla K20Xm

372

L40S

VS

Tesla K20Xm

Graphics Card

Oct 2022

Release Date

Nov 2012

Tesla Ada

Generation

Tesla

Professional

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1110 MHz

Base Clock

-

2520 MHz

Boost Clock

-

2250 MHz

Memory Clock

1300 MHz

Memory

48GB

Memory Size

6GB

GDDR6

Memory Type

GDDR5

384bit

Memory Bus

384bit

864.0GB/s

Bandwidth

249.6GB/s

Render Config

-

142

SM Count

-

18176

Shading Units

2688

568

TMUs

224

192

ROPs

48

568

Tensor Cores

-

142

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per SMX)

48 MB

L2 Cache

1536 KB

-

Theoretical Performance

483.8 GPixel/s

Pixel Rate

40.99 GPixel/s

1431 GTexel/s

Texture Rate

164.0 GTexel/s

91.61 TFLOPS

FP16 (half)

-

91.61 TFLOPS

FP32 (float)

3.935 TFLOPS

1431 GFLOPS

FP64 (double)

1312 GFLOPS

Board Design

300W

TDP

235W

700 W

Suggested PSU

550 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

No outputs

1x 16-pin

Power Connectors

-

Graphics Processor

AD102

GPU Name

GK110

AD102-???-A1

GPU Variant

-

Ada Lovelace

Architecture

Kepler

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

76.3 billion

Transistors

7.08 billion

609 mm²

Die Size

561 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.1

8.9

CUDA

3.5

6.7

Shader Model

5.1

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