AMD Radeon RX 580G vs AMD Radeon R9 270

VS

AMD Radeon RX 580G

AMD Radeon R9 270

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 580G and 2GB VRAM Radeon R9 270 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 580G 's Advantages

Released 4 years and 11 months late

Boost Clock has increased by 44% (1330MHz vs 925MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (256.0GB/s vs 179.2GB/s)

1024 additional rendering cores

AMD Radeon R9 270 's Advantages

Lower TDP (150W vs 185W)

Score

Benchmark

FP32 (float)

Radeon RX 580G +158%

6.129 TFLOPS

Radeon R9 270

2.368 TFLOPS

Radeon RX 580G

VS

Radeon R9 270

Graphics Card

Oct 2018

Release Date

Nov 2013

Polaris

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1257 MHz

Base Clock

900 MHz

1330 MHz

Boost Clock

925 MHz

2000 MHz

Memory Clock

1400 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

256.0GB/s

Bandwidth

179.2GB/s

Render Config

36

Compute Units

20

-

2304

Shading Units

1280

144

TMUs

80

32

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

512 KB

-

Theoretical Performance

42.56 GPixel/s

Pixel Rate

29.60 GPixel/s

191.5 GTexel/s

Texture Rate

74.00 GTexel/s

6.129 TFLOPS

FP16 (half)

-

6.129 TFLOPS

FP32 (float)

2.368 TFLOPS

383.0 GFLOPS

FP64 (double)

148.0 GFLOPS

Board Design

185W

TDP

150W

450 W

Suggested PSU

450 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

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

1x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Polaris 20

GPU Name

Curacao

Polaris 20 XTX (215-0910038)

GPU Variant

Curacao PRO (215-0848000)

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

5.7 billion

Transistors

2.8 billion

232 mm²

Die Size

212 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

Vulkan

1.2

-

6.4

Shader Model

5.1

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