NVIDIA GeForce RTX 4090 D vs NVIDIA L20

VS

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090 D and 48GB VRAM L20 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4090 D's Advantages

Larger VRAM bandwidth (1008GB/s vs 864.0GB/s)

2816 additional rendering cores

NVIDIA L20's Advantages

More VRAM (48GB vs 24GB)

Lower TDP (275W vs 425W)

Score

Benchmark

FP32 (float)

GeForce RTX 4090 D +23%

73.54 TFLOPS

L20

59.35 TFLOPS

GeForce RTX 4090 D

VS

L20

Graphics Card

Dec 2023

Release Date

Nov 2023

GeForce 40

Generation

Tesla Ada

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

2280MHz

Base Clock

1440MHz

2520MHz

Boost Clock

2520MHz

1313MHz

Memory Clock

2250MHz

Memory

24GB

Memory Size

48GB

GDDR6X

Memory Type

GDDR6

384bit

Memory Bus

384bit

1008 GB/s

Bandwidth

864.0 GB/s

Render Config

114

SM Count

92

-

Compute Units

-

14592

Shading Units

11776

456

TMUs

368

176

ROPs

128

456

Tensor Cores

368

114

RT Cores

92

128 KB (per SM)

L1 Cache

128 KB (per SM)

72MB

L2 Cache

96MB

Theoretical Performance

443.5 GPixel/s

Pixel Rate

322.6 GPixel/s

1149 GTexel/s

Texture Rate

927.4 GTexel/s

73.54 TFLOPS

FP16 (half)

59.35 TFLOPS

73.54 TFLOPS

FP32 (float)

59.35 TFLOPS

1149 GFLOPS

FP64 (double)

927.4 GFLOPS

Graphics Processor

AD102

GPU Name

AD102

AD102-250-A1

GPU Variant

AD102

Ada Lovelace

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

5 nm

Process Size

5 nm

76,300 million

Transistors

76,300 million

609mm²

Die Size

609mm²

Board Design

425W

TDP

275W

800W

Suggested PSU

600W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

4x DisplayPort 1.4a

1x 16-pin

Power Connectors

1x 16-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

8.9

CUDA

8.9

6.7

Shader Model

6.7

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