UHD Graphics 64EU vs Radeon 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)Generation 12.2 (2022−2023)
GPU code nameDevastatorRaptor Lake GT1
Market segmentLaptopLaptop
Release date15 May 2012 (12 years ago)4 January 2023 (1 year 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 cores384512
Core clock speed686 MHz300 MHz
Boost clock speed686 MHz1250 MHz
Number of transistors1,303 millionno data
Manufacturing process technology32 nm10 nm
Power consumption (TDP)35 Watt15 Watt
Texture fill rate16.4640.00
Floating-point processing power0.5268 TFLOPS1.28 TFLOPS
ROPs816
TMUs2432

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
InterfaceIGPRing Bus

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 SharedSystem Shared
Maximum RAM amountSystem SharedSystem Shared
Memory bus widthSystem SharedSystem Shared
Memory clock speedSystem SharedSystem Shared
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_1)
Shader Model5.06.6
OpenGL4.44.6
OpenCL1.23.0
VulkanN/A1.3

Pros & cons summary


Recency 15 May 2012 4 January 2023
Chip lithography 32 nm 10 nm
Power consumption (TDP) 35 Watt 15 Watt

UHD Graphics 64EU has an age advantage of 10 years, a 220% more advanced lithography process, and 133.3% lower power consumption.

We couldn't decide between Radeon HD 7660G and UHD Graphics 64EU. We've got no test results to judge.


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
Intel UHD Graphics 64EU
UHD Graphics 64EU

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

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


3.2 133 votes

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3.6 113 votes

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Questions & comments

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