AMD Radeon RX 580X vs AMD Radeon HD 8550 OEM

VS

AMD Radeon RX 580X

AMD Radeon HD 8550 OEM

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 580X and 1024MB VRAM Radeon HD 8550 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 580X 's Advantages

Released 4 years and 6 months late

Boost Clock1340MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (256.0GB/s vs 25.60GB/s)

1824 additional rendering cores

AMD Radeon HD 8550 OEM 's Advantages

Lower TDP (60W vs 185W)

Score

Benchmark

FP32 (float)

Radeon RX 580X +889%

6.175 TFLOPS

Radeon HD 8550 OEM

0.624 TFLOPS

Radeon RX 580X

VS

Radeon HD 8550 OEM

Graphics Card

Apr 2018

Release Date

Oct 2013

Polaris

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1257 MHz

Base Clock

-

1340 MHz

Boost Clock

-

2000 MHz

Memory Clock

800 MHz

Memory

8GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

256.0GB/s

Bandwidth

25.60GB/s

Render Config

36

Compute Units

6

-

2304

Shading Units

480

144

TMUs

24

32

ROPs

8

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

256 KB

-

Theoretical Performance

42.88 GPixel/s

Pixel Rate

5.200 GPixel/s

193.0 GTexel/s

Texture Rate

15.60 GTexel/s

6.175 TFLOPS

FP16 (half)

-

6.175 TFLOPS

FP32 (float)

624.0 GFLOPS

385.9 GFLOPS

FP64 (double)

-

Board Design

185W

TDP

60W

450 W

Suggested PSU

250 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 8-pin

Power Connectors

None

Graphics Processor

Polaris 20

GPU Name

Turks

Polaris 20 XTX (215-0910038)

GPU Variant

Turks PRO (215-0803002)

GCN 4.0

Architecture

TeraScale 2

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

5.7 billion

Transistors

0.716 billion

232 mm²

Die Size

118 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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