NVIDIA L20 vs NVIDIA T400 4 GB

VS

NVIDIA L20

NVIDIA T400 4 GB

We compared two Desktop platform GPUs: 48GB VRAM L20 and 4GB VRAM T400 4 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA L20 's Advantages

Released 2 years and 6 months late

Boost Clock has increased by 77% (2520MHz vs 1425MHz)

More VRAM (48GB vs 4GB)

Larger VRAM bandwidth (864.0GB/s vs 80.00GB/s)

11392 additional rendering cores

NVIDIA T400 4 GB 's Advantages

Lower TDP (30W vs 275W)

Score

Benchmark

FP32 (float)

L20 +5325%

59.35 TFLOPS

T400 4 GB

1.094 TFLOPS

L20

VS

T400 4 GB

Graphics Card

Nov 2023

Release Date

May 2021

Tesla Ada

Generation

Quadro

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1440 MHz

Base Clock

420 MHz

2520 MHz

Boost Clock

1425 MHz

2250 MHz

Memory Clock

1250 MHz

Memory

48GB

Memory Size

4GB

GDDR6

Memory Type

GDDR6

384bit

Memory Bus

64bit

864.0GB/s

Bandwidth

80.00GB/s

Render Config

-

92

SM Count

6

11776

Shading Units

384

368

TMUs

24

128

ROPs

16

368

Tensor Cores

-

92

RT Cores

-

128 KB (per SM)

L1 Cache

64 KB (per SM)

96 MB

L2 Cache

1024 KB

-

Theoretical Performance

322.6 GPixel/s

Pixel Rate

22.80 GPixel/s

927.4 GTexel/s

Texture Rate

34.20 GTexel/s

59.35 TFLOPS

FP16 (half)

2.189 TFLOPS

59.35 TFLOPS

FP32 (float)

1094 GFLOPS

927.4 GFLOPS

FP64 (double)

34.20 GFLOPS

Board Design

275W

TDP

30W

600 W

Suggested PSU

200 W

4x DisplayPort 1.4a

Outputs

3x mini-DisplayPort 1.4a

1x 16-pin

Power Connectors

None

Graphics Processor

AD102

GPU Name

TU117

AD102

GPU Variant

-

Ada Lovelace

Architecture

Turing

TSMC

Foundry

TSMC

5 nm

Process Size

12 nm

76.3 billion

Transistors

4.7 billion

609 mm²

Die Size

200 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_1)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

8.9

CUDA

7.5

6.7

Shader Model

6.6

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