NVIDIA GeForce RTX 5090 Mobile vs NVIDIA GeForce RTX 3080 Mobile 16 GB

VS

NVIDIA GeForce RTX 5090 Mobile

NVIDIA GeForce RTX 3080 Mobile 16 GB

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 5090 Mobile and 16GB VRAM GeForce RTX 3080 Mobile 16 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 5090 Mobile 's Advantages

Released 4 years late

Boost Clock has increased by 29% (2000MHz vs 1545MHz)

Larger VRAM bandwidth (1.01TB/s vs 448.0GB/s)

4608 additional rendering cores

NVIDIA GeForce RTX 3080 Mobile 16 GB 's Advantages

Lower TDP (115W vs 175W)

Score

Benchmark

FP32 (float)

GeForce RTX 5090 Mobile +126%

43.01 TFLOPS

GeForce RTX 3080 Mobile 16 GB

18.98 TFLOPS

GeForce RTX 5090 Mobile

VS

GeForce RTX 3080 Mobile 16 GB

Graphics Card

Jan 2025

Release Date

Jan 2021

GeForce 50 Mobile

Generation

GeForce 30 Mobile

Mobile

Type

Mobile

PCIe 5.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1500 MHz

Base Clock

1110 MHz

2000 MHz

Boost Clock

1545 MHz

2500 MHz

Memory Clock

1750 MHz

Memory

16GB

Memory Size

16GB

GDDR7

Memory Type

GDDR6

256bit

Memory Bus

256bit

1.01TB/s

Bandwidth

448.0GB/s

Render Config

-

84

SM Count

48

10752

Shading Units

6144

336

TMUs

192

128

ROPs

96

336

Tensor Cores

192

84

RT Cores

48

128 KB (per SM)

L1 Cache

128 KB (per SM)

64 MB

L2 Cache

4 MB

-

Theoretical Performance

256.0 GPixel/s

Pixel Rate

148.3 GPixel/s

672.0 GTexel/s

Texture Rate

296.6 GTexel/s

43.01 TFLOPS

FP16 (half)

18.98 TFLOPS

43.01 TFLOPS

FP32 (float)

18.98 TFLOPS

672.0 GFLOPS

FP64 (double)

296.6 GFLOPS

Board Design

175W

TDP

115W

550 W

Suggested PSU

-

1x HDMI 2.13x DisplayPort 1.4a

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

GB203

GPU Name

GA104

-

GPU Variant

GA104-775-A1

Blackwell 2.0

Architecture

Ampere

TSMC

Foundry

Samsung

4 nm

Process Size

8 nm

Unknown

Transistors

17.4 billion

377 mm²

Die Size

392 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

8.6

6.8

Shader Model

6.8

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