AMD Radeon RX 580 OEM vs AMD Radeon R9 285X

VS

AMD Radeon RX 580 OEM

AMD Radeon R9 285X

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 580 OEM and 3GB VRAM Radeon R9 285X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 580 OEM 's Advantages

Boost Clock1266MHz

More VRAM (8GB vs 3GB)

256 additional rendering cores

Lower TDP (150W vs 200W)

AMD Radeon R9 285X 's Advantages

Larger VRAM bandwidth (264.0GB/s vs 256.0GB/s)

Score

Benchmark

FP32 (float)

Radeon RX 580 OEM +42%

5.834 TFLOPS

Radeon R9 285X

4.104 TFLOPS

Radeon RX 580 OEM

VS

Radeon R9 285X

Graphics Card

Jun 2016

Release Date

Unknown

Polaris

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1120 MHz

Base Clock

-

1266 MHz

Boost Clock

-

2000 MHz

Memory Clock

1375 MHz

Memory

8GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

384bit

256.0GB/s

Bandwidth

264.0GB/s

Render Config

36

Compute Units

32

-

2304

Shading Units

2048

144

TMUs

128

32

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

768 KB

-

Theoretical Performance

40.51 GPixel/s

Pixel Rate

32.06 GPixel/s

182.3 GTexel/s

Texture Rate

128.3 GTexel/s

5.834 TFLOPS

FP16 (half)

-

5.834 TFLOPS

FP32 (float)

4.104 TFLOPS

364.6 GFLOPS

FP64 (double)

-

Board Design

150W

TDP

200W

450 W

Suggested PSU

550 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

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

1x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Ellesmere

GPU Name

Tonga

Polaris 10 XT (215-0876184)

GPU Variant

Tonga XT (215-0851313)

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

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.0

1.2

Vulkan

1.2

-

6.4

Shader Model

6.3

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