AMD Radeon R9 270 vs AMD Radeon RX 560DX

VS

AMD Radeon R9 270

AMD Radeon RX 560DX

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 270 and 4GB VRAM Radeon RX 560DX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 270 's Advantages

Larger VRAM bandwidth (179.2GB/s vs 96.00GB/s)

384 additional rendering cores

AMD Radeon RX 560DX 's Advantages

Released 4 years and 5 months late

Boost Clock has increased by 27% (1175MHz vs 925MHz)

More VRAM (4GB vs 2GB)

Lower TDP (65W vs 150W)

Score

Benchmark

FP32 (float)

Radeon R9 270 +12%

2.368 TFLOPS

Radeon RX 560DX

2.106 TFLOPS

Radeon R9 270

VS

Radeon RX 560DX

Graphics Card

Nov 2013

Release Date

Apr 2018

Volcanic Islands

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

900 MHz

Base Clock

1090 MHz

925 MHz

Boost Clock

1175 MHz

1400 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

179.2GB/s

Bandwidth

96.00GB/s

Render Config

20

Compute Units

14

-

1280

Shading Units

896

80

TMUs

56

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

1024 KB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

18.80 GPixel/s

74.00 GTexel/s

Texture Rate

65.80 GTexel/s

-

FP16 (half)

2.106 TFLOPS

2.368 TFLOPS

FP32 (float)

2.106 TFLOPS

148.0 GFLOPS

FP64 (double)

131.6 GFLOPS

Board Design

150W

TDP

65W

450 W

Suggested PSU

250 W

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

Outputs

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

1x 6-pin

Power Connectors

None

Graphics Processor

Curacao

GPU Name

Polaris 21

Curacao PRO (215-0848000)

GPU Variant

Polaris 21 XL

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

2.8 billion

Transistors

3 billion

212 mm²

Die Size

123 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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