NVIDIA GeForce RTX 3090 vs NVIDIA GeForce 8400 GS PCI Rev. 2

VS

NVIDIA GeForce RTX 3090

NVIDIA GeForce 8400 GS PCI Rev. 2

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 3090 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 3090 's Advantages

Released 13 years and 5 months late

Boost Clock1695MHz

More VRAM (24GB vs 512GB)

Larger VRAM bandwidth (936.2GB/s vs 8.000GB/s)

10480 additional rendering cores

NVIDIA GeForce 8400 GS PCI Rev. 2 's Advantages

Lower TDP (40W vs 350W)

Score

Benchmark

FP32 (float)

GeForce RTX 3090 +91130%

35.58 TFLOPS

GeForce 8400 GS PCI Rev. 2

0.039 TFLOPS

GeForce RTX 3090

VS

GeForce 8400 GS PCI Rev. 2

Graphics Card

Sep 2020

Release Date

Apr 2007

GeForce 30

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCI

Clock Speeds

1395 MHz

Base Clock

-

1695 MHz

Boost Clock

-

1219 MHz

Memory Clock

500 MHz

Memory

24GB

Memory Size

512MB

GDDR6X

Memory Type

DDR3

384bit

Memory Bus

64bit

936.2GB/s

Bandwidth

8.000GB/s

Render Config

-

82

SM Count

2

10496

Shading Units

16

328

TMUs

8

112

ROPs

4

328

Tensor Cores

-

82

RT Cores

-

128 KB (per SM)

L1 Cache

-

6 MB

L2 Cache

32 KB

-

Theoretical Performance

189.8 GPixel/s

Pixel Rate

2.080 GPixel/s

556.0 GTexel/s

Texture Rate

4.160 GTexel/s

35.58 TFLOPS

FP16 (half)

-

35.58 TFLOPS

FP32 (float)

39.36 GFLOPS

556.0 GFLOPS

FP64 (double)

-

Board Design

350W

TDP

40W

750 W

Suggested PSU

200 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1x VGA

1x 12-pin

Power Connectors

None

Graphics Processor

GA102

GPU Name

GT218

GA102-300-A1

GPU Variant

-

Ampere

Architecture

Tesla 2.0

Samsung

Foundry

TSMC

8 nm

Process Size

40 nm

28.3 billion

Transistors

0.26 billion

628 mm²

Die Size

57 mm²

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

8.6

CUDA

1.2

6.6

Shader Model

4.1

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