NVIDIA GeForce 8400M GS vs NVIDIA GeForce RTX 4090 Max-Q

VS

NVIDIA GeForce 8400M GS

NVIDIA GeForce RTX 4090 Max-Q

We compared two Mobile platform GPUs: 256MB VRAM GeForce 8400M GS 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 8400M GS 's Advantages

Lower TDP (11W vs 80W)

NVIDIA GeForce RTX 4090 Max-Q 's Advantages

Released 15 years and 8 months late

Boost Clock1455MHz

More VRAM (16GB vs 256GB)

Larger VRAM bandwidth (448.0GB/s vs 6.400GB/s)

9712 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8400M GS

0.026 TFLOPS

GeForce RTX 4090 Max Q +108784%

28.31 TFLOPS

GeForce 8400M GS

VS

GeForce RTX 4090 Max Q

Graphics Card

May 2007

Release Date

Jan 2023

GeForce 8M

Generation

GeForce 40 Mobile

Mobile

Type

Mobile

MXM-I

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

930 MHz

-

Boost Clock

1455 MHz

400 MHz

Memory Clock

1750 MHz

Memory

256MB

Memory Size

16GB

DDR2

Memory Type

GDDR6

64bit

Memory Bus

256bit

6.400GB/s

Bandwidth

448.0GB/s

Render Config

-

2

SM Count

76

16

Shading Units

9728

8

TMUs

304

4

ROPs

112

-

Tensor Cores

304

-

RT Cores

76

-

L1 Cache

128 KB (per SM)

16 KB

L2 Cache

64 MB

-

Theoretical Performance

1.600 GPixel/s

Pixel Rate

163.0 GPixel/s

3.200 GTexel/s

Texture Rate

442.3 GTexel/s

-

FP16 (half)

28.31 TFLOPS

25.60 GFLOPS

FP32 (float)

28.31 TFLOPS

-

FP64 (double)

442.3 GFLOPS

Board Design

11W

TDP

80W

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

G86

GPU Name

AD103

NB8M-GS

GPU Variant

GN21-X11

Tesla

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

80 nm

Process Size

4 nm

0.21 billion

Transistors

45.9 billion

127 mm²

Die Size

379 mm²

Graphics Features

11.1 (10_0)

DirectX

12 Ultimate (12_2)

3.3

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.3

1.1

CUDA

8.9

4.0

Shader Model

6.7

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