ATI Radeon HD 5450 PCI vs AMD Radeon HD 6670

VS

ATI Radeon HD 5450 PCI

AMD Radeon HD 6670

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 5450 PCI and 1024MB VRAM Radeon HD 6670 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 66W)

AMD Radeon HD 6670 's Advantages

Released 1 years and 2 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (64.00GB/s vs 5.328GB/s)

400 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 5450 PCI

0.104 TFLOPS

Radeon HD 6670 +638%

0.768 TFLOPS

Radeon HD 5450 PCI

VS

Radeon HD 6670

Graphics Card

Feb 2010

Release Date

Apr 2011

Evergreen

Generation

Northern Islands

Desktop

Type

Desktop

PCI

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

333 MHz

Memory Clock

1000 MHz

Memory

512MB

Memory Size

1024MB

DDR2

Memory Type

GDDR5

64bit

Memory Bus

128bit

5.328GB/s

Bandwidth

64.00GB/s

Render Config

2

Compute Units

6

-

80

Shading Units

480

8

TMUs

24

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

6.400 GPixel/s

5.200 GTexel/s

Texture Rate

19.20 GTexel/s

-

104.0 GFLOPS

FP32 (float)

768.0 GFLOPS

-

Board Design

19W

TDP

66W

200 W

Suggested PSU

250 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

Turks

Cedar PRO

GPU Variant

Turks XT (215-0803000)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.292 billion

Transistors

0.716 billion

59 mm²

Die Size

118 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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