NVIDIA GeForce RTX 4090 vs NVIDIA GeForce 8400 GS PCI Rev. 2

VS

NVIDIA GeForce RTX 4090 NVIDIA GeForce 8400 GS PCI Rev. 2

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090 and 512MB VRAM GeForce 8400 GS PCI Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4090 's Advantages

Released 15 years and 5 months late

Boost Clock2520MHz

Larger VRAM bandwidth (1010GB/s vs 8.000GB/s)

16368 additional rendering cores

NVIDIA GeForce 8400 GS PCI Rev. 2 's Advantages

Lower TDP (40W vs 450W)

Score

Benchmark

FP32 (float)

GeForce RTX 4090 +211643%

82.58 TFLOPS

GeForce 8400 GS PCI Rev. 2

0.039 TFLOPS

GeForce RTX 4090

VS

GeForce 8400 GS PCI Rev. 2

Graphics Card

Sep 2022

Release Date

Apr 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

500 MHz

Memory

24GB

Memory Size

512MB

GDDR6X

Memory Type

DDR3

384bit

Memory Bus

64bit

1010GB/s

Bandwidth

8.000GB/s

Render Config

128

SM Count

2

-

Compute Units

-

16384

Shading Units

16

512

TMUs

8

176

ROPs

4

512

Tensor Cores

-

128

RT Cores

-

128 KB (per SM)

L1 Cache

-

72 MB

L2 Cache

32 KB

Theoretical Performance

443.5 GPixel/s

Pixel Rate

2.080 GPixel/s

1290 GTexel/s

Texture Rate

4.160 GTexel/s

82.58 TFLOPS

FP16 (half)

-

82.58 TFLOPS

FP32 (float)

39.36 GFLOPS

1290 GFLOPS

FP64 (double)

-

Graphics Processor

AD102

GPU Name

GT218

AD102-300-A1

GPU Variant

-

Ada Lovelace

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

5 nm

Process Size

40 nm

76.3 billion

Transistors

0.26 billion

609 mm²

Die Size

57 mm²

Board Design

450W

TDP

40W

850 W

Suggested PSU

200 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1x VGA

1x 16-pin

Power Connectors

None

Graphics Features

12 Ultimate (12_2)

DirectX

11.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

1.3

Vulkan

N/A

8.9

CUDA

1.2

6.7

Shader Model

4.1

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