AMD Radeon R9 285 vs ATI Radeon HD 5550

VS

AMD Radeon R9 285

ATI Radeon HD 5550

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 285 and 512MB VRAM Radeon HD 5550 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 285 's Advantages

Released 4 years and 7 months late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (176.0GB/s vs 51.20GB/s)

1472 additional rendering cores

ATI Radeon HD 5550 's Advantages

Lower TDP (39W vs 190W)

Score

Benchmark

FP32 (float)

Radeon R9 285 +834%

3.29 TFLOPS

Radeon HD 5550

0.352 TFLOPS

Radeon R9 285

VS

Radeon HD 5550

Graphics Card

Sep 2014

Release Date

Feb 2010

Volcanic Islands

Generation

Evergreen

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1375 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

176.0GB/s

Bandwidth

51.20GB/s

Render Config

28

Compute Units

4

-

1792

Shading Units

320

112

TMUs

16

32

ROPs

8

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

29.38 GPixel/s

Pixel Rate

4.400 GPixel/s

102.8 GTexel/s

Texture Rate

8.800 GTexel/s

3.290 TFLOPS

FP16 (half)

-

3.290 TFLOPS

FP32 (float)

352.0 GFLOPS

205.6 GFLOPS

FP64 (double)

-

Board Design

190W

TDP

39W

450 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

2x 6-pin

Power Connectors

None

Graphics Processor

Tonga

GPU Name

Redwood

Tonga PRO (215-0851128)

GPU Variant

Redwood PRO2

GCN 3.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

5 billion

Transistors

0.627 billion

366 mm²

Die Size

104 mm²

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

1.2.170

Vulkan

N/A

-

6.5

Shader Model

5.0

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