ATI Radeon HD 5550 vs AMD Radeon HD 6750

VS

ATI Radeon HD 5550

AMD Radeon HD 6750

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 5550 and 1024MB VRAM Radeon HD 6750 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5550 's Advantages

Lower TDP (39W vs 86W)

AMD Radeon HD 6750 's Advantages

Released 11 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (73.60GB/s vs 51.20GB/s)

400 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 5550

0.352 TFLOPS

Radeon HD 6750 +186%

1.008 TFLOPS

Radeon HD 5550

VS

Radeon HD 6750

Graphics Card

Feb 2010

Release Date

Jan 2011

Evergreen

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

1150 MHz

Memory

512MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

51.20GB/s

Bandwidth

73.60GB/s

Render Config

4

Compute Units

9

-

320

Shading Units

720

16

TMUs

36

8

ROPs

16

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

4.400 GPixel/s

Pixel Rate

11.20 GPixel/s

8.800 GTexel/s

Texture Rate

25.20 GTexel/s

-

352.0 GFLOPS

FP32 (float)

1008 GFLOPS

-

Board Design

39W

TDP

86W

200 W

Suggested PSU

250 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

None

Power Connectors

1x 6-pin

Graphics Processor

Redwood

GPU Name

Juniper

Redwood PRO2

GPU Variant

Juniper LE (215-0754009)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.627 billion

Transistors

1.04 billion

104 mm²

Die Size

166 mm²

Graphics Features

11.2 (11_0)

DirectX

11.2 (11_0)

4.4

OpenGL

4.4

1.2

OpenCL

1.2

N/A

Vulkan

N/A

-

5.0

Shader Model

5.0

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