Radeon HD 6650M and Radeon HD 6640G2 - video card comparison

Radeon HD 6650M

Radeon HD 6640G2

Architecture

Terascale 2 (2009−2015)

Terascale 2 (2009−2015)

GPU code name

Whistler-PRO

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Market segment

Laptop

Laptop

Release date

January 2011

June 2011

Interface

PCIe 2.0 x16

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Core clock speed

600 MHz

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Floating-point performance

576.0 gflops

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Manufacturing process technology

40 nm

40 nm

Number of transistors

716 million

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Pipelines / CUDA cores

480

560

Texture fill rate

14.40

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Memory type

DDR3

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Maximum RAM amount

1 GB

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Memory bus width

128 Bit

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Memory clock speed

900 MHz

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Memory bandwidth

25.6 GB/s

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Shared memory

-

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Display Connectors

No outputs

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DirectX

11.2 (11_0)

11

OpenCL

1.2

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OpenGL

4.4

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Shader Model

5.0

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Vulkan

N/A

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