AMD Radeon RX 580 vs ATI Radeon X1550 PCI

VS

AMD Radeon RX 580

ATI Radeon X1550 PCI

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 580 and 256MB VRAM Radeon X1550 PCI to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 580 's Advantages

Released 10 years and 3 months late

Boost Clock1340MHz

More VRAM (8GB vs 256GB)

Larger VRAM bandwidth (256.0GB/s vs 4.256GB/s)

2304 additional rendering cores

ATI Radeon X1550 PCI 's Advantages

Lower TDP (27W vs 185W)

Score

Radeon RX 580

VS

Radeon X1550 PCI

Graphics Card

Apr 2017

Release Date

Jan 2007

Polaris

Generation

Radeon R500 PCIe

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

1257 MHz

Base Clock

-

1340 MHz

Boost Clock

-

2000 MHz

Memory Clock

266 MHz

Memory

8GB

Memory Size

256MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

64bit

256.0GB/s

Bandwidth

4.256GB/s

Render Config

36

Compute Units

-

2304

Shading Units

-

144

TMUs

4

32

ROPs

4

-

16 KB (per CU)

L1 Cache

-

2 MB

L2 Cache

-

Theoretical Performance

42.88 GPixel/s

Pixel Rate

1.808 GPixel/s

193.0 GTexel/s

Texture Rate

1.808 GTexel/s

6.175 TFLOPS

FP16 (half)

-

6.175 TFLOPS

FP32 (float)

-

385.9 GFLOPS

FP64 (double)

-

Board Design

185W

TDP

27W

450 W

Suggested PSU

200 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

1x DVI 1x VGA 1x S-Video

1x 8-pin

Power Connectors

None

Graphics Processor

Polaris 20

GPU Name

RV516

Polaris 20 XTX (215-0910038)

GPU Variant

-

GCN 4.0

Architecture

R500

GlobalFoundries

Foundry

UMC

14 nm

Process Size

80 nm

5.7 billion

Transistors

0.107 billion

232 mm²

Die Size

100 mm²

Graphics Features

12 (12_0)

DirectX

9.0c (9_3)

4.6

OpenGL

2.1

OpenCL

N/A

1.2

Vulkan

N/A

-

6.4

Shader Model

3.0

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