AMD Radeon RX 6750 XT vs ATI Radeon HD 3450 AGP

VS

AMD Radeon RX 6750 XT

ATI Radeon HD 3450 AGP

We compared two Desktop platform GPUs: 12GB VRAM Radeon RX 6750 XT and 512MB VRAM Radeon HD 3450 AGP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6750 XT 's Advantages

Released 14 years and 2 months late

Boost Clock2600MHz

More VRAM (12GB vs 512GB)

Larger VRAM bandwidth (432.0GB/s vs 8.000GB/s)

2520 additional rendering cores

ATI Radeon HD 3450 AGP 's Advantages

Lower TDP (25W vs 250W)

Score

Benchmark

FP32 (float)

Radeon RX 6750 XT +27629%

13.31 TFLOPS

Radeon HD 3450 AGP

0.048 TFLOPS

Radeon RX 6750 XT

VS

Radeon HD 3450 AGP

Graphics Card

Mar 2022

Release Date

Jan 2008

Navi II

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

AGP 8x

Clock Speeds

2150 MHz

Base Clock

-

2600 MHz

Boost Clock

-

2250 MHz

Memory Clock

500 MHz

Memory

12GB

Memory Size

512MB

GDDR6

Memory Type

DDR2

192bit

Memory Bus

64bit

432.0GB/s

Bandwidth

8.000GB/s

Render Config

40

Compute Units

2

-

2560

Shading Units

40

160

TMUs

4

64

ROPs

4

-

40

RT Cores

-

128 KB per Array

L1 Cache

-

3 MB

L2 Cache

64 KB

96 MB

L3 Cache

-

Theoretical Performance

166.4 GPixel/s

Pixel Rate

2.400 GPixel/s

416.0 GTexel/s

Texture Rate

2.400 GTexel/s

26.62 TFLOPS

FP16 (half)

-

13.31 TFLOPS

FP32 (float)

48.00 GFLOPS

832.0 GFLOPS

FP64 (double)

-

Board Design

250W

TDP

25W

600 W

Suggested PSU

200 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

2x DVI

1x 6-pin + 1x 8-pin

Power Connectors

1x Molex

Graphics Processor

Navi 22

GPU Name

RV620

Navi 22 KXT (215-127000144)

GPU Variant

RV620 LE

RDNA 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

7 nm

Process Size

55 nm

17.2 billion

Transistors

0.181 billion

335 mm²

Die Size

67 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1

OpenCL

N/A

1.3

Vulkan

N/A

-

6.5

Shader Model

4.1

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