Quadro T400 Mobile 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 ranking1039not rated
Place by popularitynot in top-100not in top-100
Power efficiency2.54no data
ArchitectureTeraScale 3 (2010−2013)Turing (2018−2022)
GPU code nameDevastatorTU117
Market segmentDesktopMobile workstation
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 cores384896
Core clock speed686 MHzno data
Boost clock speed686 MHz1425 MHz
Number of transistors1,303 million4,700 million
Manufacturing process technology32 nm12 nm
Power consumption (TDP)35 Watt18 Watt
Texture fill rate16.4679.80
Floating-point processing power0.5268 TFLOPS2.554 TFLOPS
ROPs832
TMUs2456

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).

InterfaceIGPPCIe 3.0 x16
WidthIGPno data

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 SharedGDDR6
Maximum RAM amountSystem Shared2 GB
Memory bus widthSystem Shared64 Bit
Memory clock speedSystem Shared10 GB/s
Memory bandwidthno data80 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 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 Model5.06.6
OpenGL4.44.6
OpenCL1.23.0
VulkanN/A1.2
CUDA-7.5

Pros & cons summary


Chip lithography 32 nm 12 nm
Power consumption (TDP) 35 Watt 18 Watt

T400 Mobile has a 166.7% more advanced lithography process, and 94.4% lower power consumption.

We couldn't decide between Radeon HD 7660G and Quadro T400 Mobile. We've got no test results to judge.

Be aware that Radeon HD 7660G is a desktop card while Quadro T400 Mobile is a mobile workstation 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 Quadro T400 Mobile
Quadro T400 Mobile

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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3.2 131 vote

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2.7 9 votes

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Questions & comments

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