ATI Radeon HD 5670 vs ATI Radeon HD 5450 PCIe x1

VS

ATI Radeon HD 5670

ATI Radeon HD 5450 PCIe x1

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 5670 and 512MB VRAM Radeon HD 5450 PCIe x1 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5670 's Advantages

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (64.00GB/s vs 8.000GB/s)

320 additional rendering cores

ATI Radeon HD 5450 PCIe x1 's Advantages

Lower TDP (19W vs 64W)

Score

Benchmark

FP32 (float)

Radeon HD 5670 +496%

0.62 TFLOPS

Radeon HD 5450 PCIe x1

0.104 TFLOPS

Radeon HD 5670

VS

Radeon HD 5450 PCIe x1

Graphics Card

Jan 2010

Release Date

Feb 2010

Evergreen

Generation

Evergreen

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x1

Clock Speeds

-

1000 MHz

Memory Clock

500 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

64.00GB/s

Bandwidth

8.000GB/s

Render Config

5

Compute Units

2

-

400

Shading Units

80

20

TMUs

8

ROPs

4

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

6.200 GPixel/s

Pixel Rate

2.600 GPixel/s

15.50 GTexel/s

Texture Rate

5.200 GTexel/s

-

620.0 GFLOPS

FP32 (float)

104.0 GFLOPS

-

Board Design

64W

TDP

19W

250 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

-

Graphics Processor

Redwood

GPU Name

Cedar

Redwood XT (215-0757002)

GPU Variant

Cedar PRO

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.627 billion

Transistors

0.292 billion

104 mm²

Die Size

59 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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