ATI Radeon HD 5450 vs AMD Radeon RX 550X

VS

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 5450 and 4GB VRAM Radeon RX 550X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5450 's Advantages

Lower TDP (19W vs 50W)

AMD Radeon RX 550X 's Advantages

Released 8 years and 10 months late

Boost Clock1183MHz

Larger VRAM bandwidth (96.00GB/s vs 6.400GB/s)

432 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 5450

0.104 TFLOPS

Radeon RX 550X +1064%

1.211 TFLOPS

Radeon HD 5450

VS

Radeon RX 550X

Graphics Card

Feb 2010

Release Date

Dec 2018

Evergreen

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

400 MHz

Memory Clock

1500 MHz

Memory

512MB

Memory Size

4GB

DDR2

Memory Type

GDDR5

64bit

Memory Bus

128bit

6.400GB/s

Bandwidth

96.00GB/s

Render Config

-

SM Count

-

2

Compute Units

8

80

Shading Units

512

8

TMUs

32

4

ROPs

16

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

512 KB

Theoretical Performance

2.600 GPixel/s

Pixel Rate

18.93 GPixel/s

5.200 GTexel/s

Texture Rate

37.86 GTexel/s

-

FP16 (half)

1211 GFLOPS

104.0 GFLOPS

FP32 (float)

1211 GFLOPS

-

FP64 (double)

75.71 GFLOPS

Graphics Processor

Cedar

GPU Name

Lexa

Cedar PRO

GPU Variant

Lexa PRO (215-0904018)

TeraScale 2

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

0.292 billion

Transistors

2.2 billion

59 mm²

Die Size

103 mm²

Board Design

19W

TDP

50W

200 W

Suggested PSU

250 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

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

None

Power Connectors

None

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

-

CUDA

-

5.0

Shader Model

6.4

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