Radeon R1E Mobile Graphics vs 660M

Primary details

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

Place in the ranking330not rated
Place by popularitynot in top-100not in top-100
Power efficiency28.35no data
ArchitectureRDNA 2.0 (2020−2024)GCN 2.0 (2013−2017)
GPU code nameRembrandt+Beema
Market segmentLaptopLaptop
Release date3 January 2023 (1 year ago)23 February 2016 (8 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 cores38464
Core clock speed1500 MHz497 MHz
Boost clock speed1900 MHz600 MHz
Number of transistors13,100 million930 million
Manufacturing process technology6 nm28 nm
Power consumption (TDP)40 Watt15 Watt
Texture fill rate45.603.976
Floating-point processing power1.459 TFLOPS0.06362 TFLOPS
ROPs164
TMUs248
Ray Tracing Cores6no data

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 4.0 x8IGP
Supplementary power connectorsNoneno 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 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 ConnectorsPortable Device DependentPortable Device Dependent

API compatibility

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

DirectX12 Ultimate (12_2)12 (12_0)
Shader Model6.76.5 (6.0)
OpenGL4.64.6
OpenCL2.02.1
Vulkan1.31.2.170

Pros & cons summary


Recency 3 January 2023 23 February 2016
Chip lithography 6 nm 28 nm
Power consumption (TDP) 40 Watt 15 Watt

Radeon 660M has an age advantage of 6 years, and a 366.7% more advanced lithography process.

R1E Mobile Graphics, on the other hand, has 166.7% lower power consumption.

We couldn't decide between Radeon 660M and Radeon R1E Mobile Graphics. 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 660M
Radeon 660M
AMD Radeon R1E Mobile Graphics
Radeon R1E Mobile Graphics

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Community ratings

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