AMD Radeon R9 285X vs AMD Radeon HD 8550 OEM

VS

AMD Radeon R9 285X

AMD Radeon HD 8550 OEM

We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 285X and 1024MB VRAM Radeon HD 8550 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 285X 's Advantages

More VRAM (3GB vs 1024GB)

Larger VRAM bandwidth (264.0GB/s vs 25.60GB/s)

1568 additional rendering cores

AMD Radeon HD 8550 OEM 's Advantages

Lower TDP (60W vs 200W)

Score

Benchmark

FP32 (float)

Radeon R9 285X +557%

4.104 TFLOPS

Radeon HD 8550 OEM

0.624 TFLOPS

Radeon R9 285X

VS

Radeon HD 8550 OEM

Graphics Card

Unknown

Release Date

Oct 2013

Volcanic Islands

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1375 MHz

Memory Clock

800 MHz

Memory

3GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

128bit

264.0GB/s

Bandwidth

25.60GB/s

Render Config

32

Compute Units

6

-

2048

Shading Units

480

128

TMUs

24

32

ROPs

8

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

768 KB

L2 Cache

256 KB

-

Theoretical Performance

32.06 GPixel/s

Pixel Rate

5.200 GPixel/s

128.3 GTexel/s

Texture Rate

15.60 GTexel/s

-

4.104 TFLOPS

FP32 (float)

624.0 GFLOPS

-

Board Design

200W

TDP

60W

550 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

Tonga

GPU Name

Turks

Tonga XT (215-0851313)

GPU Variant

Turks PRO (215-0803002)

GCN 3.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

5 billion

Transistors

0.716 billion

366 mm²

Die Size

118 mm²

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.0

OpenCL

1.2

Vulkan

N/A

-

6.3

Shader Model

5.0

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