NVIDIA GeForce RTX 3090 vs NVIDIA GeForce 8400

VS

NVIDIA GeForce RTX 3090 NVIDIA GeForce 8400

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

Released 12 years and 9 months late

Boost Clock1695MHz

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

10488 additional rendering cores

NVIDIA GeForce 8400 's Advantages

Lower TDP (25W vs 350W)

Score

Benchmark

FP32 (float)

GeForce RTX 3090 +169328%

35.58 TFLOPS

GeForce 8400

0.021 TFLOPS

GeForce RTX 3090

VS

GeForce 8400

Graphics Card

Sep 2020

Release Date

Dec 2007

GeForce 30

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1395 MHz

Base Clock

-

1695 MHz

Boost Clock

-

1219 MHz

Memory Clock

500 MHz

Memory

24GB

Memory Size

256MB

GDDR6X

Memory Type

DDR2

384bit

Memory Bus

64bit

936.2GB/s

Bandwidth

8.000GB/s

Render Config

82

SM Count

1

-

Compute Units

-

10496

Shading Units

8

328

TMUs

4

112

ROPs

4

328

Tensor Cores

-

82

RT Cores

-

128 KB (per SM)

L1 Cache

-

6 MB

L2 Cache

16 KB

Theoretical Performance

189.8 GPixel/s

Pixel Rate

2.160 GPixel/s

556.0 GTexel/s

Texture Rate

2.160 GTexel/s

35.58 TFLOPS

FP16 (half)

-

35.58 TFLOPS

FP32 (float)

20.80 GFLOPS

556.0 GFLOPS

FP64 (double)

-

Graphics Processor

GA102

GPU Name

G98

GA102-300-A1

GPU Variant

-

Ampere

Architecture

Tesla

Samsung

Foundry

TSMC

8 nm

Process Size

65 nm

28.3 billion

Transistors

0.21 billion

628 mm²

Die Size

86 mm²

Board Design

350W

TDP

25W

750 W

Suggested PSU

200 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x DVI 1x VGA 1x S-Video

1x 12-pin

Power Connectors

None

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

8.6

CUDA

1.1

6.6

Shader Model

4.0

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