Tegra X1 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 ranking1042not rated
Place by popularitynot in top-100not in top-100
Power efficiency2.45no data
ArchitectureTeraScale 3 (2010−2013)Maxwell 2.0 (2014−2019)
GPU code nameDevastatorGM20B
Market segmentLaptopDesktop
Release date15 May 2012 (12 years ago)no data (2024 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 cores384256
Core clock speed686 MHz1000 MHz
Boost clock speed686 MHzno data
Number of transistors1,303 million2,000 million
Manufacturing process technology32 nm20 nm
Power consumption (TDP)35 Watt15 Watt
Texture fill rate16.4616.00
Floating-point processing power0.5268 TFLOPS0.512 TFLOPS
ROPs816
TMUs2416

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
InterfaceIGPIGP
Widthno dataIGP

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+no data

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 outputsNo outputs

API compatibility

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

DirectX11.2 (11_0)12 (12_1)
Shader Model5.0no data
OpenGL4.44.6
OpenCL1.2no data
VulkanN/A-

Pros & cons summary


Chip lithography 32 nm 20 nm
Power consumption (TDP) 35 Watt 15 Watt

Tegra X1 has a 60% more advanced lithography process, and 133.3% lower power consumption.

We couldn't decide between Radeon HD 7660G and Tegra X1. We've got no test results to judge.

Be aware that Radeon HD 7660G is a notebook card while Tegra X1 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
NVIDIA Tegra X1
Tegra X1

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.


3.2 131 vote

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3.2 137 votes

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Questions & comments

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