Radeon 660M vs 535 Mobile

Primary details

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

Place in performance ranking	not rated	329
Place by popularity	not in top-100	not in top-100
Architecture	GCN 3.0 (2014−2019)	RDNA 2 (2020−2023)
GPU code name	Polaris 24	RDNA 2 Rembrandt
Market segment	Laptop	Laptop
Release date	18 April 2017 (7 years ago)	4 January 2022 (2 years ago)

Detailed specifications

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores	384	384
Core clock speed	730 MHz	no data
Boost clock speed	1024 MHz	1900 MHz
Number of transistors	1,550 million	13,100 million
Manufacturing process technology	28 nm	6 nm
Power consumption (TDP)	50 Watt	45 Watt
Texture fill rate	24.58	45.60
Floating-point performance	0.7864 gflops	1.459 gflops

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).

Interface	PCIe 3.0 x8	PCIe 4.0 x8
Supplementary power connectors	no data	None

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 type	GDDR5	no data
Maximum RAM amount	2 GB	System Shared
Memory bus width	64 Bit	no data
Memory clock speed	4500 MHz	no data
Memory bandwidth	36 GB/s	no 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 Connectors

No outputs

No outputs

API compatibility

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

DirectX	12 (12_0)	12 (12_1)
Shader Model	6.3	6.5
OpenGL	4.6	4.6
OpenCL	2.0	2.0
Vulkan	1.2.131	1.2

Pros & cons summary

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Recency	18 April 2017	4 January 2022
Chip lithography	28 nm	6 nm
Power consumption (TDP)	50 Watt	45 Watt

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