NVIDIA GeForce RTX 5080 Mobile vs NVIDIA GeForce 405M

VS

NVIDIA GeForce RTX 5080 Mobile

NVIDIA GeForce 405M

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 5080 Mobile and 512MB VRAM GeForce 405M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 5080 Mobile 's Advantages

Released 14 years late

Boost Clock2000MHz

More VRAM (16GB vs 512GB)

Larger VRAM bandwidth (1.01TB/s vs 12.80GB/s)

8176 additional rendering cores

NVIDIA GeForce 405M 's Advantages

Lower TDP (14W vs 175W)

Score

Benchmark

FP32 (float)

GeForce RTX 5080 Mobile +83925%

32.77 TFLOPS

GeForce 405M

0.039 TFLOPS

GeForce RTX 5080 Mobile

VS

GeForce 405M

Graphics Card

Jan 2025

Release Date

Jan 2011

GeForce 50 Mobile

Generation

GeForce 400M

Mobile

Type

Mobile

PCIe 5.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1500 MHz

Base Clock

-

2000 MHz

Boost Clock

-

2500 MHz

Memory Clock

800 MHz

Memory

16GB

Memory Size

512MB

GDDR7

Memory Type

GDDR3

256bit

Memory Bus

64bit

1.01TB/s

Bandwidth

12.80GB/s

Render Config

-

64

SM Count

2

8192

Shading Units

16

256

TMUs

8

96

ROPs

4

256

Tensor Cores

-

64

RT Cores

-

128 KB (per SM)

L1 Cache

-

64 MB

L2 Cache

32 KB

-

Theoretical Performance

192.0 GPixel/s

Pixel Rate

2.424 GPixel/s

512.0 GTexel/s

Texture Rate

4.848 GTexel/s

32.77 TFLOPS

FP16 (half)

-

32.77 TFLOPS

FP32 (float)

38.78 GFLOPS

512.0 GFLOPS

FP64 (double)

-

Board Design

175W

TDP

14W

550 W

Suggested PSU

-

1x HDMI 2.13x DisplayPort 1.4a

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GB203

GPU Name

GT218

-

Blackwell 2.0

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

4 nm

Process Size

40 nm

Unknown

Transistors

0.26 billion

377 mm²

Die Size

57 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

1.3

Vulkan

N/A

10.1

CUDA

1.2

6.8

Shader Model

4.1

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