NVIDIA GeForce RTX 4090 vs NVIDIA GeForce 8400 GS PCI

VS

NVIDIA GeForce RTX 4090

NVIDIA GeForce 8400 GS PCI

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090 and 512MB VRAM GeForce 8400 GS PCI to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4090 's Advantages

Released 14 years and 9 months late

Boost Clock2520MHz

More VRAM (24GB vs 512GB)

Larger VRAM bandwidth (1.01TB/s vs 5.328GB/s)

16376 additional rendering cores

NVIDIA GeForce 8400 GS PCI 's Advantages

Lower TDP (25W vs 450W)

Score

Benchmark

FP32 (float)

GeForce RTX 4090 +375263%

82.58 TFLOPS

GeForce 8400 GS PCI

0.022 TFLOPS

GeForce RTX 4090

VS

GeForce 8400 GS PCI

Graphics Card

Sep 2022

Release Date

Dec 2007

GeForce 40

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCI

Clock Speeds

2235 MHz

Base Clock

-

2520 MHz

Boost Clock

-

1313 MHz

Memory Clock

333 MHz

Memory

24GB

Memory Size

512MB

GDDR6X

Memory Type

DDR2

384bit

Memory Bus

64bit

1.01TB/s

Bandwidth

5.328GB/s

Render Config

-

128

SM Count

1

16384

Shading Units

8

512

TMUs

4

176

ROPs

4

512

Tensor Cores

-

128

RT Cores

-

128 KB (per SM)

L1 Cache

-

72 MB

L2 Cache

16 KB

-

Theoretical Performance

443.5 GPixel/s

Pixel Rate

2.268 GPixel/s

1290 GTexel/s

Texture Rate

2.268 GTexel/s

82.58 TFLOPS

FP16 (half)

-

82.58 TFLOPS

FP32 (float)

22.40 GFLOPS

1290 GFLOPS

FP64 (double)

-

Board Design

450W

TDP

25W

850 W

Suggested PSU

200 W

1x HDMI 2.13x DisplayPort 1.4a

Outputs

1x S-Video 1x DMS-59

1x 16-pin

Power Connectors

None

Graphics Processor

AD102

GPU Name

G98

AD102-300-A1

GPU Variant

G98-400-U2

Ada Lovelace

Architecture

Tesla

TSMC

Foundry

TSMC

5 nm

Process Size

65 nm

76.3 billion

Transistors

0.21 billion

609 mm²

Die Size

86 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

1.3

Vulkan

N/A

8.9

CUDA

1.1

6.8

Shader Model

4.0

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