AMD Radeon R9 285 vs AMD Radeon RX 580G

VS

AMD Radeon R9 285

AMD Radeon RX 580G

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 285 and 8GB VRAM Radeon RX 580G 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 1 months late

Boost Clock1330MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (256.0GB/s vs 176.0GB/s)

512 additional rendering cores

Lower TDP (185W vs 190W)

Score

Benchmark

FP32 (float)

Radeon R9 285

3.29 TFLOPS

Radeon RX 580G +86%

6.129 TFLOPS

Radeon R9 285

VS

Radeon RX 580G

Graphics Card

Sep 2014

Release Date

Oct 2018

Volcanic Islands

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1257 MHz

-

Boost Clock

1330 MHz

1375 MHz

Memory Clock

2000 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

176.0GB/s

Bandwidth

256.0GB/s

Render Config

28

Compute Units

36

-

1792

Shading Units

2304

112

TMUs

144

32

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

2 MB

-

Theoretical Performance

29.38 GPixel/s

Pixel Rate

42.56 GPixel/s

102.8 GTexel/s

Texture Rate

191.5 GTexel/s

3.290 TFLOPS

FP16 (half)

6.129 TFLOPS

3.290 TFLOPS

FP32 (float)

6.129 TFLOPS

205.6 GFLOPS

FP64 (double)

383.0 GFLOPS

Board Design

190W

TDP

185W

450 W

Suggested PSU

450 W

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

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

2x 6-pin

Power Connectors

1x 8-pin

Graphics Processor

Tonga

GPU Name

Polaris 20

Tonga PRO (215-0851128)

GPU Variant

Polaris 20 XTX (215-0910038)

GCN 3.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

5 billion

Transistors

5.7 billion

366 mm²

Die Size

232 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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