AMD Radeon RX 550X 640SP vs ATI Radeon HD 3450 AGP

VS

AMD Radeon RX 550X 640SP

ATI Radeon HD 3450 AGP

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 550X 640SP 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 550X 640SP 's Advantages

Released 10 years and 3 months late

Boost Clock1071MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (96.00GB/s vs 8.000GB/s)

600 additional rendering cores

ATI Radeon HD 3450 AGP 's Advantages

Lower TDP (25W vs 60W)

Score

Benchmark

FP32 (float)

Radeon RX 550X 640SP +2756%

1.371 TFLOPS

Radeon HD 3450 AGP

0.048 TFLOPS

Radeon RX 550X 640SP

VS

Radeon HD 3450 AGP

Graphics Card

Apr 2018

Release Date

Jan 2008

Polaris

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

AGP 8x

Clock Speeds

1019 MHz

Base Clock

-

1071 MHz

Boost Clock

-

1500 MHz

Memory Clock

500 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

DDR2

128bit

Memory Bus

64bit

96.00GB/s

Bandwidth

8.000GB/s

Render Config

10

Compute Units

2

-

640

Shading Units

40

TMUs

4

16

ROPs

4

-

16 KB (per CU)

L1 Cache

-

1024 KB

L2 Cache

64 KB

-

Theoretical Performance

17.14 GPixel/s

Pixel Rate

2.400 GPixel/s

42.84 GTexel/s

Texture Rate

2.400 GTexel/s

1371 GFLOPS

FP16 (half)

-

1371 GFLOPS

FP32 (float)

48.00 GFLOPS

85.68 GFLOPS

FP64 (double)

-

Board Design

60W

TDP

25W

250 W

Suggested PSU

200 W

1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a

Outputs

2x DVI

None

Power Connectors

1x Molex

Graphics Processor

Baffin

GPU Name

RV620

Baffin LE

GPU Variant

RV620 LE

GCN 4.0

Architecture

TeraScale

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

55 nm

3 billion

Transistors

0.181 billion

123 mm²

Die Size

67 mm²

Graphics Features

12 (12_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1

OpenCL

N/A

1.2

Vulkan

N/A

-

6.4

Shader Model

4.1

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