AMD Radeon R9 285 vs AMD Radeon RX 560DX

VS

AMD Radeon R9 285

AMD Radeon RX 560DX

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 285 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 285 's Advantages

Larger VRAM bandwidth (176.0GB/s vs 96.00GB/s)

896 additional rendering cores

AMD Radeon RX 560DX 's Advantages

Released 3 years and 7 months late

Boost Clock1175MHz

More VRAM (4GB vs 2GB)

Lower TDP (65W vs 190W)

Score

Benchmark

FP32 (float)

Radeon R9 285 +56%

3.29 TFLOPS

Radeon RX 560DX

2.106 TFLOPS

Radeon R9 285

VS

Radeon RX 560DX

Graphics Card

Sep 2014

Release Date

Apr 2018

Volcanic Islands

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1090 MHz

-

Boost Clock

1175 MHz

1375 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

176.0GB/s

Bandwidth

96.00GB/s

Render Config

28

Compute Units

14

-

1792

Shading Units

896

112

TMUs

56

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

1024 KB

-

Theoretical Performance

29.38 GPixel/s

Pixel Rate

18.80 GPixel/s

102.8 GTexel/s

Texture Rate

65.80 GTexel/s

3.290 TFLOPS

FP16 (half)

2.106 TFLOPS

3.290 TFLOPS

FP32 (float)

2.106 TFLOPS

205.6 GFLOPS

FP64 (double)

131.6 GFLOPS

Board Design

190W

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

2x 6-pin

Power Connectors

None

Graphics Processor

Tonga

GPU Name

Polaris 21

Tonga PRO (215-0851128)

GPU Variant

Polaris 21 XL

GCN 3.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

5 billion

Transistors

3 billion

366 mm²

Die Size

123 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2.170

Vulkan

1.2

-

6.5

Shader Model

6.4

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