ATI Radeon HD 5450 PCI vs ATI Radeon HD 5550

VS

ATI Radeon HD 5450 PCI

ATI Radeon HD 5550

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 5450 PCI and 512MB VRAM Radeon HD 5550 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5450 PCI 's Advantages

Lower TDP (19W vs 39W)

ATI Radeon HD 5550 's Advantages

Larger VRAM bandwidth (51.20GB/s vs 5.328GB/s)

240 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 5450 PCI

0.104 TFLOPS

Radeon HD 5550 +238%

0.352 TFLOPS

Radeon HD 5450 PCI

VS

Radeon HD 5550

Graphics Card

Feb 2010

Release Date

Feb 2010

Evergreen

Generation

Evergreen

Desktop

Type

Desktop

PCI

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

333 MHz

Memory Clock

800 MHz

Memory

512MB

Memory Size

512MB

DDR2

Memory Type

GDDR5

64bit

Memory Bus

128bit

5.328GB/s

Bandwidth

51.20GB/s

Render Config

2

Compute Units

4

-

80

Shading Units

320

8

TMUs

16

4

ROPs

8

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

2.600 GPixel/s

Pixel Rate

4.400 GPixel/s

5.200 GTexel/s

Texture Rate

8.800 GTexel/s

-

104.0 GFLOPS

FP32 (float)

352.0 GFLOPS

-

Board Design

19W

TDP

39W

200 W

Suggested PSU

200 W

1x DVI 1x HDMI 1.3a

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

None

Power Connectors

None

Graphics Processor

Cedar

GPU Name

Redwood

Cedar PRO

GPU Variant

Redwood PRO2

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.292 billion

Transistors

0.627 billion

59 mm²

Die Size

104 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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