AMD Radeon HD 6450 OEM vs ATI Radeon HD 5670

VS

AMD Radeon HD 6450 OEM

ATI Radeon HD 5670

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 6450 OEM and 1024MB VRAM Radeon HD 5670 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6450 OEM 's Advantages

Released 1 years and 1 months late

Lower TDP (18W vs 64W)

ATI Radeon HD 5670 's Advantages

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (64.00GB/s vs 8.528GB/s)

240 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6450 OEM

0.2 TFLOPS

Radeon HD 5670 +210%

0.62 TFLOPS

Radeon HD 6450 OEM

VS

Radeon HD 5670

Graphics Card

Feb 2011

Release Date

Jan 2010

Northern Islands

Generation

Evergreen

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

533 MHz

Memory Clock

1000 MHz

Memory

512MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

8.528GB/s

Bandwidth

64.00GB/s

Render Config

2

Compute Units

5

-

160

Shading Units

400

8

TMUs

20

4

ROPs

8

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

2.500 GPixel/s

Pixel Rate

6.200 GPixel/s

5.000 GTexel/s

Texture Rate

15.50 GTexel/s

-

200.0 GFLOPS

FP32 (float)

620.0 GFLOPS

-

Board Design

18W

TDP

64W

200 W

Suggested PSU

250 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

None

Power Connectors

None

Graphics Processor

Caicos

GPU Name

Redwood

Junbonator

GPU Variant

Redwood XT (215-0757002)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.37 billion

Transistors

0.627 billion

67 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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