Radeon 660M vs RX 560D

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Primary details

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

Place in the rankingnot rated567
Place by popularitynot in top-100not in top-100
Power efficiencyno data11.30
ArchitectureGCN 4.0 (2016−2020)RDNA 2.0 (2020−2024)
GPU code namePolaris 21Rembrandt+
Market segmentDesktopLaptop
Release date4 July 2017 (7 years ago)3 January 2023 (1 year ago)
Launch price (MSRP)$99 no data

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 cores896384
Core clock speed1090 MHz1500 MHz
Boost clock speed1175 MHz1900 MHz
Number of transistors3,000 million13,100 million
Manufacturing process technology14 nm6 nm
Power consumption (TDP)65 Watt40 Watt
Texture fill rate65.8045.60
Floating-point processing power2.106 TFLOPS1.459 TFLOPS
ROPs1616
TMUs5624
Ray Tracing Coresno data6

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).

InterfacePCIe 3.0 x8PCIe 4.0 x8
Length170 mmno data
Width2-slotno data
Supplementary power connectorsNoneNone

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 typeGDDR5System Shared
Maximum RAM amount4 GBSystem Shared
Memory bus width128 BitSystem Shared
Memory clock speed1500 MHzSystem Shared
Memory bandwidth96 GB/sno data
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 Connectors1x DVI, 1x HDMI, 1x DisplayPortPortable Device Dependent
HDMI+-

API compatibility

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

DirectX12 (12_0)12 Ultimate (12_2)
Shader Model6.46.7
OpenGL4.64.6
OpenCL2.02.0
Vulkan1.2.1311.3

Pros & cons summary


Recency 4 July 2017 3 January 2023
Chip lithography 14 nm 6 nm
Power consumption (TDP) 65 Watt 40 Watt

Radeon 660M has an age advantage of 5 years, a 133.3% more advanced lithography process, and 62.5% lower power consumption.

We couldn't decide between Radeon RX 560D and Radeon 660M. We've got no test results to judge.

Be aware that Radeon RX 560D is a desktop card while Radeon 660M is a notebook 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 RX 560D
Radeon RX 560D
AMD Radeon 660M
Radeon 660M

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.


3.4 81 vote

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3.6 325 votes

Rate Radeon 660M on a scale of 1 to 5:

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Questions & comments

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