NVIDIA GeForce RTX 5080 vs NVIDIA L20

VS

NVIDIA GeForce RTX 5080

NVIDIA L20

We compared two Desktop platform GPUs: 16GB VRAM GeForce RTX 5080 and 48GB VRAM L20 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 5080 's Advantages

Released 1 years and 2 months late

Larger VRAM bandwidth (973.8GB/s vs 864.0GB/s)

NVIDIA L20 's Advantages

More VRAM (48GB vs 16GB)

1024 additional rendering cores

Lower TDP (275W vs 350W)

Score

Benchmark

FP32 (float)

GeForce RTX 5080

54.19 TFLOPS

L20 +9%

59.35 TFLOPS

GeForce RTX 5080

VS

L20

Graphics Card

Jan 2025

Release Date

Nov 2023

GeForce 50

Generation

Tesla Ada

Desktop

Type

Desktop

PCIe 5.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

2235 MHz

Base Clock

1440 MHz

2520 MHz

Boost Clock

2520 MHz

2400 MHz

Memory Clock

2250 MHz

Memory

16GB

Memory Size

48GB

GDDR7

Memory Type

GDDR6

256bit

Memory Bus

384bit

973.8GB/s

Bandwidth

864.0GB/s

Render Config

-

84

SM Count

92

10752

Shading Units

11776

336

TMUs

368

128

ROPs

128

336

Tensor Cores

368

84

RT Cores

92

128 KB (per SM)

L1 Cache

128 KB (per SM)

64 MB

L2 Cache

96 MB

-

Theoretical Performance

322.6 GPixel/s

Pixel Rate

322.6 GPixel/s

846.7 GTexel/s

Texture Rate

927.4 GTexel/s

54.19 TFLOPS

FP16 (half)

59.35 TFLOPS

54.19 TFLOPS

FP32 (float)

59.35 TFLOPS

846.7 GFLOPS

FP64 (double)

927.4 GFLOPS

Board Design

350W

TDP

275W

750 W

Suggested PSU

600 W

1x HDMI 2.1 3x DisplayPort 2.1a

Outputs

4x DisplayPort 1.4a

1x 16-pin

Power Connectors

1x 16-pin

Graphics Processor

GB203

GPU Name

AD102

GB203-400-A1

GPU Variant

AD102

Blackwell 2.0

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

0

Process Size

5 nm

Unknown

Transistors

76.3 billion

377 mm²

Die Size

609 mm²

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

10.1

CUDA

8.9

6.8

Shader Model

6.7

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