AMD Radeon R9 270X vs AMD Radeon RX 580 2048SP

VS

AMD Radeon R9 270X

AMD Radeon RX 580 2048SP

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 270X 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 580 2048SP 's Advantages

Released 5 years late

Boost Clock has increased by 22% (1284MHz vs 1050MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (224.0GB/s vs 179.2GB/s)

768 additional rendering cores

Lower TDP (150W vs 180W)

Score

Benchmark

FP32 (float)

Radeon R9 270X

2.688 TFLOPS

Radeon RX 580 2048SP +95%

5.259 TFLOPS

3DMark Time Spy

Radeon R9 270X

1769

Radeon RX 580 2048SP +112%

3759

Radeon R9 270X

VS

Radeon RX 580 2048SP

Graphics Card

Oct 2013

Release Date

Oct 2018

Volcanic Islands

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1000 MHz

Base Clock

1168 MHz

1050 MHz

Boost Clock

1284 MHz

1400 MHz

Memory Clock

1750 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

179.2GB/s

Bandwidth

224.0GB/s

Render Config

20

Compute Units

32

-

1280

Shading Units

2048

80

TMUs

128

32

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

2 MB

-

Theoretical Performance

33.60 GPixel/s

Pixel Rate

41.09 GPixel/s

84.00 GTexel/s

Texture Rate

164.4 GTexel/s

-

FP16 (half)

5.259 TFLOPS

2.688 TFLOPS

FP32 (float)

5.259 TFLOPS

168.0 GFLOPS

FP64 (double)

328.7 GFLOPS

Board Design

180W

TDP

150W

450 W

Suggested PSU

450 W

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

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

2x 6-pin

Power Connectors

1x 8-pin

Graphics Processor

Curacao

GPU Name

Polaris 20

Curacao XT (215-0848004)

GPU Variant

Polaris 20 XL (215-0910052)

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

2.8 billion

Transistors

5.7 billion

212 mm²

Die Size

232 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.2

-

5.1

Shader Model

6.4

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