AMD Radeon RX 580 vs AMD Radeon 550

VS

AMD Radeon RX 580

AMD Radeon 550

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 580 and 2GB VRAM Radeon 550 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 580 's Advantages

Boost Clock has increased by 13% (1340MHz vs 1183MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (256.0GB/s vs 56.00GB/s)

1792 additional rendering cores

AMD Radeon 550 's Advantages

Lower TDP (50W vs 185W)

Score

Benchmark

FP32 (float)

Radeon RX 580 +409%

6.175 TFLOPS

Radeon 550

1.211 TFLOPS

Radeon RX 580

VS

Radeon 550

Graphics Card

Apr 2017

Release Date

Apr 2017

Polaris

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1257 MHz

Base Clock

1100 MHz

1340 MHz

Boost Clock

1183 MHz

2000 MHz

Memory Clock

1750 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

64bit

256.0GB/s

Bandwidth

56.00GB/s

Render Config

36

Compute Units

8

-

2304

Shading Units

512

144

TMUs

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

-

Theoretical Performance

42.88 GPixel/s

Pixel Rate

18.93 GPixel/s

193.0 GTexel/s

Texture Rate

37.86 GTexel/s

6.175 TFLOPS

FP16 (half)

1211 GFLOPS

6.175 TFLOPS

FP32 (float)

1211 GFLOPS

385.9 GFLOPS

FP64 (double)

75.71 GFLOPS

Board Design

185W

TDP

50W

450 W

Suggested PSU

250 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

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

1x 8-pin

Power Connectors

None

Graphics Processor

Polaris 20

GPU Name

Lexa

Polaris 20 XTX (215-0910038)

GPU Variant

Lexa PRO (215-0904018)

GCN 4.0

Architecture

GCN 4.0

GlobalFoundries

Foundry

GlobalFoundries

14 nm

Process Size

14 nm

5.7 billion

Transistors

2.2 billion

232 mm²

Die Size

103 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.3

-

6.4

Shader Model

6.7

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