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

VS

NVIDIA GeForce RTX 3080 Ti Mobile

NVIDIA GeForce RTX 4090 Max-Q

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

Main Differences

NVIDIA GeForce RTX 3080 Ti Mobile 's Advantages

Larger VRAM bandwidth (512.0GB/s vs 448.0GB/s)

NVIDIA GeForce RTX 4090 Max-Q 's Advantages

Released 1 years late

Boost Clock has increased by 15% (1455MHz vs 1260MHz)

2304 additional rendering cores

Lower TDP (80W vs 115W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Ti Mobile

18.71 TFLOPS

GeForce RTX 4090 Max Q +51%

28.31 TFLOPS

GeForce RTX 3080 Ti Mobile

VS

GeForce RTX 4090 Max Q

Graphics Card

Jan 2022

Release Date

Jan 2023

GeForce 30 Mobile

Generation

GeForce 40 Mobile

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

810 MHz

Base Clock

930 MHz

1260 MHz

Boost Clock

1455 MHz

2000 MHz

Memory Clock

1750 MHz

Memory

16GB

Memory Size

16GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

256bit

512.0GB/s

Bandwidth

448.0GB/s

Render Config

-

58

SM Count

76

7424

Shading Units

9728

232

TMUs

304

96

ROPs

112

232

Tensor Cores

304

58

RT Cores

76

128 KB (per SM)

L1 Cache

128 KB (per SM)

4 MB

L2 Cache

64 MB

-

Theoretical Performance

121.0 GPixel/s

Pixel Rate

163.0 GPixel/s

292.3 GTexel/s

Texture Rate

442.3 GTexel/s

18.71 TFLOPS

FP16 (half)

28.31 TFLOPS

18.71 TFLOPS

FP32 (float)

28.31 TFLOPS

292.3 GFLOPS

FP64 (double)

442.3 GFLOPS

Board Design

115W

TDP

80W

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

GA103S

GPU Name

AD103

GN20-E8-A1

GPU Variant

GN21-X11

Ampere

Architecture

Ada Lovelace

Samsung

Foundry

TSMC

8 nm

Process Size

4 nm

Unknown

Transistors

45.9 billion

496 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

8.6

CUDA

8.9

6.5

Shader Model

6.7

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