AMD Radeon RX 550 512SP vs AMD Radeon RX 580 2048SP

VS

AMD Radeon RX 550 512SP

AMD Radeon RX 580 2048SP

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 550 512SP and 4GB VRAM Radeon RX 580 2048SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 550 512SP 's Advantages

Lower TDP (50W vs 150W)

AMD Radeon RX 580 2048SP 's Advantages

Released 1 years late

Boost Clock has increased by 20% (1284MHz vs 1071MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (224.0GB/s vs 96.00GB/s)

1536 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 550 512SP

1.097 TFLOPS

Radeon RX 580 2048SP +379%

5.259 TFLOPS

Radeon RX 550 512SP

VS

Radeon RX 580 2048SP

Graphics Card

Oct 2017

Release Date

Oct 2018

Polaris

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1019 MHz

Base Clock

1168 MHz

1071 MHz

Boost Clock

1284 MHz

1500 MHz

Memory Clock

1750 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

96.00GB/s

Bandwidth

224.0GB/s

Render Config

8

Compute Units

32

-

512

Shading Units

2048

32

TMUs

128

16

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

2 MB

-

Theoretical Performance

17.14 GPixel/s

Pixel Rate

41.09 GPixel/s

34.27 GTexel/s

Texture Rate

164.4 GTexel/s

1097 GFLOPS

FP16 (half)

5.259 TFLOPS

1097 GFLOPS

FP32 (float)

5.259 TFLOPS

68.54 GFLOPS

FP64 (double)

328.7 GFLOPS

Board Design

50W

TDP

150W

250 W

Suggested PSU

450 W

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

Outputs

1x DVI 1x HDMI 2.0b 3x DisplayPort 1.4a

None

Power Connectors

1x 8-pin

Graphics Processor

Baffin

GPU Name

Polaris 20

Baffin LE

GPU Variant

Polaris 20 XL (215-0910052)

GCN 4.0

Architecture

GCN 4.0

GlobalFoundries

Foundry

GlobalFoundries

14 nm

Process Size

14 nm

3 billion

Transistors

5.7 billion

123 mm²

Die Size

232 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.2

-

6.4

Shader Model

6.4

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