AMD Radeon HD 7450 OEM vs AMD Radeon RX 550X

VS

AMD Radeon HD 7450 OEM

AMD Radeon RX 550X

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 7450 OEM and 4GB VRAM Radeon RX 550X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7450 OEM 's Advantages

Lower TDP (18W vs 50W)

AMD Radeon RX 550X 's Advantages

Released 6 years and 11 months late

Boost Clock1183MHz

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (96.00GB/s vs 8.528GB/s)

352 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7450 OEM

0.2 TFLOPS

Radeon RX 550X +505%

1.211 TFLOPS

Radeon HD 7450 OEM

VS

Radeon RX 550X

Graphics Card

Jan 2012

Release Date

Dec 2018

Southern Islands

Generation

Polaris

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1100 MHz

-

Boost Clock

1183 MHz

533 MHz

Memory Clock

1500 MHz

Memory

512MB

Memory Size

4GB

GDDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

8.528GB/s

Bandwidth

96.00GB/s

Render Config

2

Compute Units

8

-

160

Shading Units

512

8

TMUs

32

4

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

2.500 GPixel/s

Pixel Rate

18.93 GPixel/s

5.000 GTexel/s

Texture Rate

37.86 GTexel/s

-

FP16 (half)

1211 GFLOPS

200.0 GFLOPS

FP32 (float)

1211 GFLOPS

-

FP64 (double)

75.71 GFLOPS

Board Design

18W

TDP

50W

200 W

Suggested PSU

250 W

1x DVI 1x HDMI 1.3a

Outputs

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

None

Power Connectors

None

Graphics Processor

Caicos

GPU Name

Lexa

Caimour

GPU Variant

Lexa PRO (215-0904018)

TeraScale 2

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

0.37 billion

Transistors

2.2 billion

67 mm²

Die Size

103 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.2

-

5.0

Shader Model

6.4

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