AMD Radeon RX 550 vs ATI Radeon HD 5450 PCI

VS

AMD Radeon RX 550

ATI Radeon HD 5450 PCI

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 550 and 512MB VRAM Radeon HD 5450 PCI to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 550 's Advantages

Released 7 years and 2 months late

Boost Clock1183MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (112.0GB/s vs 5.328GB/s)

432 additional rendering cores

ATI Radeon HD 5450 PCI 's Advantages

Lower TDP (19W vs 50W)

Score

Benchmark

FP32 (float)

Radeon RX 550 +1064%

1.211 TFLOPS

Radeon HD 5450 PCI

0.104 TFLOPS

Radeon RX 550

VS

Radeon HD 5450 PCI

Graphics Card

Apr 2017

Release Date

Feb 2010

Polaris

Generation

Evergreen

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCI

Clock Speeds

1100 MHz

Base Clock

-

1183 MHz

Boost Clock

-

1750 MHz

Memory Clock

333 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

DDR2

128bit

Memory Bus

64bit

112.0GB/s

Bandwidth

5.328GB/s

Render Config

8

Compute Units

2

-

512

Shading Units

80

32

TMUs

8

16

ROPs

4

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

18.93 GPixel/s

Pixel Rate

2.600 GPixel/s

37.86 GTexel/s

Texture Rate

5.200 GTexel/s

1211 GFLOPS

FP16 (half)

-

1211 GFLOPS

FP32 (float)

104.0 GFLOPS

75.71 GFLOPS

FP64 (double)

-

Board Design

50W

TDP

19W

250 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.3a

None

Power Connectors

None

Graphics Processor

Lexa

GPU Name

Cedar

Lexa PRO (215-0904018)

GPU Variant

Cedar PRO

GCN 4.0

Architecture

TeraScale 2

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

2.2 billion

Transistors

0.292 billion

103 mm²

Die Size

59 mm²

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

Vulkan

N/A

-

6.4

Shader Model

5.0

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