NVIDIA GeForce RTX 4090D vs NVIDIA GeForce 8400

VS

NVIDIA GeForce RTX 4090D

NVIDIA GeForce 8400

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090D and 256MB VRAM GeForce 8400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4090D 's Advantages

Released 16 years late

Boost Clock2520MHz

More VRAM (24GB vs 256GB)

Larger VRAM bandwidth (1008GB/s vs 8.000GB/s)

14584 additional rendering cores

NVIDIA GeForce 8400 's Advantages

Lower TDP (25W vs 425W)

Score

Benchmark

FP32 (float)

GeForce RTX 4090D +350090%

73.54 TFLOPS

GeForce 8400

0.021 TFLOPS

GeForce RTX 4090D

VS

GeForce 8400

Graphics Card

Dec 2023

Release Date

Dec 2007

GeForce 40

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2280 MHz

Base Clock

-

2520 MHz

Boost Clock

-

1313 MHz

Memory Clock

500 MHz

Memory

24GB

Memory Size

256MB

GDDR6X

Memory Type

DDR2

384bit

Memory Bus

64bit

1008GB/s

Bandwidth

8.000GB/s

Render Config

-

114

SM Count

1

14592

Shading Units

8

456

TMUs

4

176

ROPs

4

456

Tensor Cores

-

114

RT Cores

-

128 KB (per SM)

L1 Cache

-

72 MB

L2 Cache

16 KB

-

Theoretical Performance

443.5 GPixel/s

Pixel Rate

2.160 GPixel/s

1149 GTexel/s

Texture Rate

2.160 GTexel/s

73.54 TFLOPS

FP16 (half)

-

73.54 TFLOPS

FP32 (float)

20.80 GFLOPS

1149 GFLOPS

FP64 (double)

-

Board Design

425W

TDP

25W

800 W

Suggested PSU

200 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x DVI 1x VGA 1x S-Video

1x 16-pin

Power Connectors

None

Graphics Processor

AD102

GPU Name

G98

AD102-250-A1

GPU Variant

-

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

6.7

Shader Model

4.0

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