Radeon HD 6490M Mac Edition vs HD 7670A

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Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the ranking852not rated
Place by popularitynot in top-100not in top-100
Power efficiency4.25no data
ArchitectureTeraScale 2 (2009−2015)TeraScale 2 (2009−2015)
GPU code nameTurksSeymour
Market segmentLaptopLaptop
Release date5 January 2012 (13 years ago)2 May 2011 (14 years ago)

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores480160
Core clock speed600 MHz750 MHz
Number of transistors716 million370 million
Manufacturing process technology40 nm40 nm
Power consumption (TDP)45 Wattno data
Texture fill rate14.406.000
Floating-point processing power0.576 TFLOPS0.24 TFLOPS
ROPs84
TMUs248

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

InterfaceMXM-A (3.0)PCIe 2.0 x16

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory typeGDDR5GDDR5
Maximum RAM amount1 GB256 MB
Memory bus width128 Bit64 Bit
Memory clock speed1000 MHz794 MHz
Memory bandwidth64 GB/s25.41 GB/s

Connectivity and outputs

This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.

Display ConnectorsNo outputsNo outputs

API and SDK compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX11.2 (11_0)11.2 (11_0)
Shader Model5.05.0
OpenGL4.44.4
OpenCL1.21.2
VulkanN/AN/A

Pros & cons summary


Recency 5 January 2012 2 May 2011
Maximum RAM amount 1 GB 256 MB

HD 7670A has an age advantage of 8 months, and a 300% higher maximum VRAM amount.

We couldn't decide between Radeon HD 7670A and Radeon HD 6490M Mac Edition. We've got no test results to judge.

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AMD Radeon HD 7670A
Radeon HD 7670A
AMD Radeon HD 6490M Mac Edition
Radeon HD 6490M Mac Edition

Other comparisons

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