NVIDIA GeForce RTX 4090 Max-Q vs NVIDIA GeForce RTX 4090

VS

NVIDIA GeForce RTX 4090 Max-Q NVIDIA GeForce RTX 4090

We compared a Mobile platform GPU: 16GB VRAM GeForce RTX 4090 Max Q and a Desktop platform GPU: 24GB VRAM GeForce RTX 4090 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4090 Max-Q 's Advantages

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

Lower TDP (80W vs 450W)

NVIDIA GeForce RTX 4090 's Advantages

Boost Clock has increased by 73% (2520MHz vs 1455MHz)

More VRAM (24GB vs 16GB)

6656 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce RTX 4090 Max Q

28.31 TFLOPS

GeForce RTX 4090 +191%

82.58 TFLOPS

GeForce RTX 4090 Max Q

VS

GeForce RTX 4090

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

930 MHz

Base Clock

2235 MHz

1455 MHz

Boost Clock

2520 MHz

1750 MHz

Memory Clock

1313 MHz

Memory

16GB

Memory Size

24GB

GDDR6

Memory Type

GDDR6X

256bit

Memory Bus

384bit

448.0GB/s

Bandwidth

1.01TB/s

Render Config

76

SM Count

128

-

Compute Units

-

9728

Shading Units

16384

304

TMUs

512

112

ROPs

176

304

Tensor Cores

512

76

RT Cores

128

128 KB (per SM)

L1 Cache

128 KB (per SM)

64 MB

L2 Cache

72 MB

Theoretical Performance

163.0 GPixel/s

Pixel Rate

443.5 GPixel/s

442.3 GTexel/s

Texture Rate

1290 GTexel/s

28.31 TFLOPS

FP16 (half)

82.58 TFLOPS

28.31 TFLOPS

FP32 (float)

82.58 TFLOPS

442.3 GFLOPS

FP64 (double)

1290 GFLOPS

Graphics Processor

AD103

GPU Name

AD102

GN21-X11

GPU Variant

AD102-300-A1

Ada Lovelace

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

4 nm

Process Size

5 nm

45.9 billion

Transistors

76.3 billion

379 mm²

Die Size

609 mm²

Board Design

80W

TDP

450W

-

Suggested PSU

850 W

Portable Device Dependent

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

None

Power Connectors

1x 16-pin

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

6.7

Shader Model

6.7

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