Radeon 660M vs RX 5300 XT

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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 data27.95
ArchitectureRDNA 1.0 (2019−2020)RDNA 2.0 (2020−2024)
GPU code nameNavi 14Rembrandt+
Market segmentDesktopLaptop
Release date7 October 2019 (5 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 cores1024384
Core clock speed1670 MHz1500 MHz
Boost clock speed1845 MHz1900 MHz
Number of transistors6,400 million13,100 million
Manufacturing process technology7 nm6 nm
Power consumption (TDP)150 Watt40 Watt
Texture fill rate118.145.60
Floating-point processing power3.779 TFLOPS1.459 TFLOPS
ROPs3216
TMUs6424
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 4.0 x8PCIe 4.0 x8
Width2-slotno data
Supplementary power connectors1x 6-pinNone

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 speed1750 MHzSystem Shared
Memory bandwidth112.0 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 HDMI, 3x DisplayPortPortable Device Dependent
HDMI+-

API compatibility

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

DirectX12 (12_1)12 Ultimate (12_2)
Shader Model6.56.7
OpenGL4.64.6
OpenCL2.02.0
Vulkan1.2.1311.3

Pros & cons summary


Recency 7 October 2019 3 January 2023
Chip lithography 7 nm 6 nm
Power consumption (TDP) 150 Watt 40 Watt

Radeon 660M has an age advantage of 3 years, a 16.7% more advanced lithography process, and 275% lower power consumption.

We couldn't decide between Radeon RX 5300 XT and Radeon 660M. We've got no test results to judge.

Be aware that Radeon RX 5300 XT 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 5300 XT
Radeon RX 5300 XT
AMD Radeon 660M
Radeon 660M

Comparisons with similar GPUs

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Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


2.9 21 vote

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3.6 324 votes

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

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Questions & comments

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