NVIDIA GeForce RTX 3090 vs NVIDIA GeForce 405 OEM

VS

NVIDIA GeForce RTX 3090

NVIDIA GeForce 405 OEM

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 3090 and 512MB VRAM GeForce 405 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3090 's Advantages

Released 10 years late

Boost Clock1695MHz

More VRAM (24GB vs 512GB)

Larger VRAM bandwidth (936.2GB/s vs 12.64GB/s)

10480 additional rendering cores

NVIDIA GeForce 405 OEM 's Advantages

Lower TDP (25W vs 350W)

Score

Benchmark

FP32 (float)

GeForce RTX 3090 +78966%

35.58 TFLOPS

GeForce 405 OEM

0.045 TFLOPS

GeForce RTX 3090

VS

GeForce 405 OEM

Graphics Card

Sep 2020

Release Date

Sep 2010

GeForce 30

Generation

GeForce 400

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

790 MHz

Memory

24GB

Memory Size

512MB

GDDR6X

Memory Type

DDR3

384bit

Memory Bus

64bit

936.2GB/s

Bandwidth

12.64GB/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

2.356 GPixel/s

556.0 GTexel/s

Texture Rate

4.712 GTexel/s

35.58 TFLOPS

FP16 (half)

-

35.58 TFLOPS

FP32 (float)

44.86 GFLOPS

556.0 GFLOPS

FP64 (double)

-

Board Design

350W

TDP

25W

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

GT218-300-B1

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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