ATI Radeon HD 5550 vs AMD Radeon HD 6450 OEM

VS

ATI Radeon HD 5550

AMD Radeon HD 6450 OEM

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 5550 and 512MB VRAM Radeon HD 6450 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5550 's Advantages

Larger VRAM bandwidth (51.20GB/s vs 8.528GB/s)

160 additional rendering cores

AMD Radeon HD 6450 OEM 's Advantages

Released 1 years late

Lower TDP (18W vs 39W)

Score

Benchmark

FP32 (float)

Radeon HD 5550 +76%

0.352 TFLOPS

Radeon HD 6450 OEM

0.2 TFLOPS

Radeon HD 5550

VS

Radeon HD 6450 OEM

Graphics Card

Feb 2010

Release Date

Feb 2011

Evergreen

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

533 MHz

Memory

512MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

64bit

51.20GB/s

Bandwidth

8.528GB/s

Render Config

4

Compute Units

2

-

320

Shading Units

160

16

TMUs

8

ROPs

4

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

4.400 GPixel/s

Pixel Rate

2.500 GPixel/s

8.800 GTexel/s

Texture Rate

5.000 GTexel/s

-

352.0 GFLOPS

FP32 (float)

200.0 GFLOPS

-

Board Design

39W

TDP

18W

200 W

Suggested PSU

200 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

None

Power Connectors

None

Graphics Processor

Redwood

GPU Name

Caicos

Redwood PRO2

GPU Variant

Junbonator

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.627 billion

Transistors

0.37 billion

104 mm²

Die Size

67 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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