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

VS

NVIDIA GeForce RTX 4090

NVIDIA GeForce RTX 4090 Max-Q

We compared a Desktop platform GPU: 24GB VRAM GeForce RTX 4090 and a Mobile platform GPU: 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 4090 's Advantages

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

More VRAM (24GB vs 16GB)

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

6656 additional rendering cores

NVIDIA GeForce RTX 4090 Max-Q 's Advantages

Lower TDP (80W vs 450W)

Score

Benchmark

FP32 (float)

GeForce RTX 4090 +191%

82.58 TFLOPS

GeForce RTX 4090 Max Q

28.31 TFLOPS

GeForce RTX 4090

VS

GeForce RTX 4090 Max Q

Graphics Card

Sep 2022

Release Date

Jan 2023

GeForce 40

Generation

GeForce 40 Mobile

Desktop

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

2235 MHz

Base Clock

930 MHz

2520 MHz

Boost Clock

1455 MHz

1313 MHz

Memory Clock

1750 MHz

Memory

24GB

Memory Size

16GB

GDDR6X

Memory Type

GDDR6

384bit

Memory Bus

256bit

1.01TB/s

Bandwidth

448.0GB/s

Render Config

-

128

SM Count

76

16384

Shading Units

9728

512

TMUs

304

176

ROPs

112

512

Tensor Cores

304

128

RT Cores

76

128 KB (per SM)

L1 Cache

128 KB (per SM)

72 MB

L2 Cache

64 MB

-

Theoretical Performance

443.5 GPixel/s

Pixel Rate

163.0 GPixel/s

1290 GTexel/s

Texture Rate

442.3 GTexel/s

82.58 TFLOPS

FP16 (half)

28.31 TFLOPS

82.58 TFLOPS

FP32 (float)

28.31 TFLOPS

1290 GFLOPS

FP64 (double)

442.3 GFLOPS

Board Design

450W

TDP

80W

850 W

Suggested PSU

-

1x HDMI 2.13x DisplayPort 1.4a

Outputs

Portable Device Dependent

1x 16-pin

Power Connectors

None

Graphics Processor

AD102

GPU Name

AD103

AD102-300-A1

GPU Variant

GN21-X11

Ada Lovelace

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

5 nm

Process Size

4 nm

76.3 billion

Transistors

45.9 billion

609 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

6.7

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