AMD Radeon RX 580 vs AMD Radeon R9 285

VS

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 580 and 2GB VRAM Radeon R9 285 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 580 's Advantages

Released 2 years and 7 months late

Boost Clock1340MHz

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 RX 580 +87%

6.175 TFLOPS

Radeon R9 285

3.29 TFLOPS

Radeon RX 580

VS

Radeon R9 285

Graphics Card

Apr 2017

Release Date

Sep 2014

Polaris

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1257 MHz

Base Clock

-

1340 MHz

Boost Clock

-

2000 MHz

Memory Clock

1375 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

256.0GB/s

Bandwidth

176.0GB/s

Render Config

-

SM Count

-

36

Compute Units

28

2304

Shading Units

1792

144

TMUs

112

32

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

512 KB

Theoretical Performance

42.88 GPixel/s

Pixel Rate

29.38 GPixel/s

193.0 GTexel/s

Texture Rate

102.8 GTexel/s

6.175 TFLOPS

FP16 (half)

3.290 TFLOPS

6.175 TFLOPS

FP32 (float)

3.290 TFLOPS

385.9 GFLOPS

FP64 (double)

205.6 GFLOPS

Graphics Processor

Polaris 20

GPU Name

Tonga

Polaris 20 XTX (215-0910038)

GPU Variant

Tonga PRO (215-0851128)

GCN 4.0

Architecture

GCN 3.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

5.7 billion

Transistors

5 billion

232 mm²

Die Size

366 mm²

Board Design

185W

TDP

190W

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

2x 6-pin

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.2.170

-

CUDA

-

6.4

Shader Model

6.5

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