AMD Radeon RX 550 vs ATI Radeon HD 4580

VS

AMD Radeon RX 550

ATI Radeon HD 4580

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 550 and 512MB VRAM Radeon HD 4580 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 550 's Advantages

Released 5 years and 5 months late

Boost Clock1183MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (112.0GB/s vs 22.18GB/s)

392 additional rendering cores

Lower TDP (50W vs 65W)

Score

Benchmark

FP32 (float)

Radeon RX 550 +534%

1.211 TFLOPS

Radeon HD 4580

0.191 TFLOPS

Radeon RX 550

VS

Radeon HD 4580

Graphics Card

Apr 2017

Release Date

Nov 2011

Polaris

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1100 MHz

Base Clock

-

1183 MHz

Boost Clock

-

1750 MHz

Memory Clock

693 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

128bit

112.0GB/s

Bandwidth

22.18GB/s

Render Config

8

Compute Units

3

-

512

Shading Units

120

32

TMUs

8

16

ROPs

4

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

128 KB

-

Theoretical Performance

18.93 GPixel/s

Pixel Rate

3.184 GPixel/s

37.86 GTexel/s

Texture Rate

6.368 GTexel/s

1211 GFLOPS

FP16 (half)

-

1211 GFLOPS

FP32 (float)

191.0 GFLOPS

75.71 GFLOPS

FP64 (double)

-

Board Design

50W

TDP

65W

250 W

Suggested PSU

250 W

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

Outputs

2x DVI 1x S-Video

None

Power Connectors

None

Graphics Processor

Lexa

GPU Name

RV635

Lexa PRO (215-0904018)

GPU Variant

RV635 PRO (215-0682008)

GCN 4.0

Architecture

TeraScale

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

55 nm

2.2 billion

Transistors

0.378 billion

103 mm²

Die Size

135 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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