Radeon 660M vs R2 Graphics

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Primary details

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

Place in the rankingnot rated332
Place by popularitynot in top-100not in top-100
Power efficiencyno data27.94
ArchitectureGCN 2.0 (2013−2017)RDNA 2.0 (2020−2024)
GPU code nameBeemaRembrandt+
Market segmentDesktopLaptop
Release date27 February 2015 (9 years ago)3 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 cores128384
Core clock speed351 MHz1500 MHz
Boost clock speedno data1900 MHz
Number of transistors930 million13,100 million
Manufacturing process technology28 nm6 nm
Power consumption (TDP)15 Watt40 Watt
Texture fill rate2.80845.60
Floating-point processing power0.08986 TFLOPS1.459 TFLOPS
ROPs416
TMUs824
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).

InterfaceIGPPCIe 4.0 x8
WidthIGPno data
Supplementary power connectorsno dataNone

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 memoryno 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 outputsPortable Device Dependent

API compatibility

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

DirectX12 (12_0)12 Ultimate (12_2)
Shader Model6.36.7
OpenGL4.64.6
OpenCL2.02.0
Vulkan1.2.1311.3

Pros & cons summary


Recency 27 February 2015 3 January 2023
Chip lithography 28 nm 6 nm
Power consumption (TDP) 15 Watt 40 Watt

R2 Graphics has 166.7% lower power consumption.

Radeon 660M, on the other hand, has an age advantage of 7 years, and a 366.7% more advanced lithography process.

We couldn't decide between Radeon R2 Graphics and Radeon 660M. We've got no test results to judge.

Be aware that Radeon R2 Graphics 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 R2 Graphics
Radeon R2 Graphics
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.


2.5 470 votes

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3.6 324 votes

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Questions & comments

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