NVIDIA GeForce RTX 4090 Mobile vs NVIDIA GeForce RTX 4080 16 GB

VS

NVIDIA GeForce RTX 4090 Mobile

NVIDIA GeForce RTX 4080 16 GB

We compared a Mobile platform GPU: 16GB VRAM GeForce RTX 4090 Mobile and a Desktop platform GPU: 16GB VRAM GeForce RTX 4080 16 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4090 Mobile 's Advantages

Lower TDP (80W vs 320W)

NVIDIA GeForce RTX 4080 16 GB 's Advantages

Boost Clock has increased by 48% (2505MHz vs 1695MHz)

Larger VRAM bandwidth (716.8GB/s vs 576.0GB/s)

Score

Benchmark

FP32 (float)

GeForce RTX 4090 Mobile

32.98 TFLOPS

GeForce RTX 4080 16 GB +47%

48.74 TFLOPS

GeForce RTX 4090 Mobile

VS

GeForce RTX 4080 16 GB

Graphics Card

Jan 2023

Release Date

Sep 2022

GeForce 40 Mobile

Generation

GeForce 40

Mobile

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1335 MHz

Base Clock

2205 MHz

1695 MHz

Boost Clock

2505 MHz

2250 MHz

Memory Clock

1400 MHz

Memory

16GB

Memory Size

16GB

GDDR6

Memory Type

GDDR6X

256bit

Memory Bus

256bit

576.0GB/s

Bandwidth

716.8GB/s

Render Config

-

76

SM Count

76

9728

Shading Units

9728

304

TMUs

304

112

ROPs

112

304

Tensor Cores

304

76

RT Cores

76

128 KB (per SM)

L1 Cache

128 KB (per SM)

64 MB

L2 Cache

64 MB

-

Theoretical Performance

189.8 GPixel/s

Pixel Rate

280.6 GPixel/s

515.3 GTexel/s

Texture Rate

761.5 GTexel/s

32.98 TFLOPS

FP16 (half)

48.74 TFLOPS

32.98 TFLOPS

FP32 (float)

48.74 TFLOPS

515.3 GFLOPS

FP64 (double)

761.5 GFLOPS

Board Design

80-150W

TDP

320W

-

Suggested PSU

700 W

Portable Device Dependent

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

None

Power Connectors

1x 16-pin

Graphics Processor

AD103

GPU Name

AD103

GN21-X11

GPU Variant

AD103-300-A1

Ada Lovelace

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

5 nm

Process Size

4 nm

45.9 billion

Transistors

45.9 billion

379 mm²

Die Size

379 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

8.9

CUDA

8.9

6.8

Shader Model

6.6

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