Radeon R5 M445 vs HD 7660G

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Primary details

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

Place in the ranking1045not rated
Place by popularitynot in top-100not in top-100
Power efficiency2.43no data
ArchitectureTeraScale 3 (2010−2013)GCN 3.0 (2014−2019)
GPU code nameDevastatorMeso
Market segmentLaptopDesktop
Release date15 May 2012 (12 years ago)2016 (8 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 cores384384
Core clock speed686 MHz920 MHz
Boost clock speed686 MHz980 MHz
Number of transistors1,303 million1,550 million
Manufacturing process technology32 nm28 nm
Power consumption (TDP)35 Wattno data
Texture fill rate16.4622.08
Floating-point processing power0.5268 TFLOPSno data
ROPs88
TMUs2424

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).

Laptop sizemedium sizedno data
InterfaceIGPPCIe 3.0 x8

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 typeSystem SharedGDDR5
Maximum RAM amountSystem Shared4 GB
Memory bus widthSystem Shared64 Bit
Memory clock speedSystem Shared4 GB/s
Memory bandwidthno data32 GB/s
Shared memory+-

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display ConnectorsNo outputsPortable Device Dependent

API compatibility

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

DirectX11.2 (11_0)12 (12_0)
Shader Model5.06.5
OpenGL4.44.6
OpenCL1.22.1
VulkanN/A1.2.170

Pros & cons summary


Chip lithography 32 nm 28 nm

R5 M445 has a 14.3% more advanced lithography process.

We couldn't decide between Radeon HD 7660G and Radeon R5 M445. We've got no test results to judge.

Be aware that Radeon HD 7660G is a notebook card while Radeon R5 M445 is a desktop one.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

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AMD Radeon HD 7660G
Radeon HD 7660G
AMD Radeon R5 M445
Radeon R5 M445

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

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3.2 133 votes

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2.4 5 votes

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Questions & comments

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