NVIDIA GeForce RTX 3090 Ti vs ATI Radeon HD 3450 AGP

VS

NVIDIA GeForce RTX 3090 Ti

ATI Radeon HD 3450 AGP

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 3090 Ti and 512MB VRAM Radeon HD 3450 AGP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3090 Ti 's Advantages

Released 14 years late

Boost Clock1860MHz

More VRAM (24GB vs 512GB)

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

10712 additional rendering cores

ATI Radeon HD 3450 AGP 's Advantages

Lower TDP (25W vs 450W)

Score

Benchmark

FP32 (float)

GeForce RTX 3090 Ti +83233%

40 TFLOPS

Radeon HD 3450 AGP

0.048 TFLOPS

GeForce RTX 3090 Ti

VS

Radeon HD 3450 AGP

Graphics Card

Jan 2022

Release Date

Jan 2008

GeForce 30

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

AGP 8x

Clock Speeds

1560 MHz

Base Clock

-

1860 MHz

Boost Clock

-

1313 MHz

Memory Clock

500 MHz

Memory

24GB

Memory Size

512MB

GDDR6X

Memory Type

DDR2

384bit

Memory Bus

64bit

1008GB/s

Bandwidth

8.000GB/s

Render Config

-

Compute Units

2

84

SM Count

-

10752

Shading Units

40

336

TMUs

4

112

ROPs

4

336

Tensor Cores

-

84

RT Cores

-

128 KB (per SM)

L1 Cache

-

6 MB

L2 Cache

64 KB

-

Theoretical Performance

208.3 GPixel/s

Pixel Rate

2.400 GPixel/s

625.0 GTexel/s

Texture Rate

2.400 GTexel/s

40.00 TFLOPS

FP16 (half)

-

40.00 TFLOPS

FP32 (float)

48.00 GFLOPS

625.0 GFLOPS

FP64 (double)

-

Board Design

450W

TDP

25W

850 W

Suggested PSU

200 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

2x DVI

1x 16-pin

Power Connectors

1x Molex

Graphics Processor

GA102

GPU Name

RV620

GA102-350-A1

GPU Variant

RV620 LE

Ampere

Architecture

TeraScale

Samsung

Foundry

TSMC

8 nm

Process Size

55 nm

28.3 billion

Transistors

0.181 billion

628 mm²

Die Size

67 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

N/A

1.3

Vulkan

N/A

8.6

CUDA

-

6.6

Shader Model

4.1

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