AMD Radeon R9 280X2 vs ATI Radeon HD 5550

VS

AMD Radeon R9 280X2

ATI Radeon HD 5550

We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 280X2 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 280X2 's Advantages

Boost Clock1000MHz

More VRAM (3GB vs 512GB)

Larger VRAM bandwidth (288.0GB/s vs 51.20GB/s)

1728 additional rendering cores

ATI Radeon HD 5550 's Advantages

Lower TDP (39W vs 375W)

Score

Benchmark

FP32 (float)

Radeon R9 280X2 +1063%

4.096 TFLOPS

Radeon HD 5550

0.352 TFLOPS

Radeon R9 280X2

VS

Radeon HD 5550

Graphics Card

Unknown

Release Date

Feb 2010

Volcanic Islands

Generation

Evergreen

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

950 MHz

Base Clock

-

1000 MHz

Boost Clock

-

1500 MHz

Memory Clock

800 MHz

Memory

3GB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

128bit

288.0GB/s

Bandwidth

51.20GB/s

Render Config

32

Compute Units

4

-

2048

Shading Units

320

128

TMUs

16

32

ROPs

8

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

768 KB

L2 Cache

256 KB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

4.400 GPixel/s

128.0 GTexel/s

Texture Rate

8.800 GTexel/s

-

4.096 TFLOPS

FP32 (float)

352.0 GFLOPS

1024 GFLOPS

FP64 (double)

-

Board Design

375W

TDP

39W

750 W

Suggested PSU

200 W

6x mini-DisplayPort 1.2

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

3x 8-pin

Power Connectors

None

Graphics Processor

Tahiti

GPU Name

Redwood

Tahiti XTL (215-0821065)

GPU Variant

Redwood PRO2

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

4.313 billion

Transistors

0.627 billion

352 mm²

Die Size

104 mm²

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

5.1

Shader Model

5.0

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