NVIDIA GeForce RTX 4090 Mobile vs NVIDIA GeForce RTX 3080 Ti Max Q

VS

NVIDIA GeForce RTX 4090 Mobile

NVIDIA GeForce RTX 3080 Ti Max Q

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 4090 Mobile and 16GB VRAM GeForce RTX 3080 Ti Max Q to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4090 Mobile 's Advantages

Released 1 years late

Boost Clock has increased by 51% (1695MHz vs 1125MHz)

Larger VRAM bandwidth (576.0GB/s vs 384.0GB/s)

2304 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce RTX 4090 Mobile +97%

32.98 TFLOPS

GeForce RTX 3080 Ti Max Q

16.7 TFLOPS

GeForce RTX 4090 Mobile

VS

GeForce RTX 3080 Ti Max Q

Graphics Card

Jan 2023

Release Date

Jan 2022

GeForce 40 Mobile

Generation

GeForce 30 Mobile

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1335 MHz

Base Clock

585 MHz

1695 MHz

Boost Clock

1125 MHz

2250 MHz

Memory Clock

1500 MHz

Memory

16GB

Memory Size

16GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

256bit

576.0GB/s

Bandwidth

384.0GB/s

Render Config

-

76

SM Count

58

9728

Shading Units

7424

304

TMUs

232

112

ROPs

96

304

Tensor Cores

232

76

RT Cores

58

128 KB (per SM)

L1 Cache

128 KB (per SM)

64 MB

L2 Cache

4 MB

-

Theoretical Performance

189.8 GPixel/s

Pixel Rate

108.0 GPixel/s

515.3 GTexel/s

Texture Rate

261.0 GTexel/s

32.98 TFLOPS

FP16 (half)

16.70 TFLOPS

32.98 TFLOPS

FP32 (float)

16.70 TFLOPS

515.3 GFLOPS

FP64 (double)

261.0 GFLOPS

Board Design

80-150W

TDP

80W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

AD103

GPU Name

GA103S

GN21-X11

GPU Variant

GN20-E8-A1

Ada Lovelace

Architecture

Ampere

TSMC

Foundry

Samsung

5 nm

Process Size

8 nm

45.9 billion

Transistors

Unknown

379 mm²

Die Size

496 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

8.6

6.8

Shader Model

6.5

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