Radeon RX 6600S vs R7 Mobile Graphics

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Primary details

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

Place in the rankingnot rated140
Place by popularitynot in top-100not in top-100
Power efficiencyno data32.53
ArchitectureGCN 2.0 (2013−2017)RDNA 2.0 (2020−2024)
GPU code nameSpectre LiteNavi 23
Market segmentLaptopLaptop
Release date17 February 2014 (10 years ago)4 January 2022 (2 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 cores3841792
Core clock speed554 MHz1700 MHz
Boost clock speed800 MHz2000 MHz
Number of transistors2,410 million11,060 million
Manufacturing process technology28 nm7 nm
Power consumption (TDP)90 Watt80 Watt
Texture fill rate13.30224.0
Floating-point processing power0.4255 TFLOPS7.168 TFLOPS
ROPs864
TMUs24112
Ray Tracing Coresno data28

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).

Laptop sizeno datamedium sized
InterfaceIGPPCIe 4.0 x8
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 SharedGDDR6
Maximum RAM amountSystem Shared4 GB
Memory bus widthSystem Shared128 Bit
Memory clock speedSystem Shared1750 MHz
Memory bandwidthno data224.0 GB/s
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 outputsNo outputs

API compatibility

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

DirectX12 (12_0)12 Ultimate (12_2)
Shader Model6.06.5
OpenGL4.64.6
OpenCL2.02.1
Vulkan1.2.1311.3

Pros & cons summary


Recency 17 February 2014 4 January 2022
Chip lithography 28 nm 7 nm
Power consumption (TDP) 90 Watt 80 Watt

RX 6600S has an age advantage of 7 years, a 300% more advanced lithography process, and 12.5% lower power consumption.

We couldn't decide between Radeon R7 Mobile Graphics and Radeon RX 6600S. 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 R7 Mobile Graphics
Radeon R7 Mobile Graphics
AMD Radeon RX 6600S
Radeon RX 6600S

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.


1.8 4 votes

Rate Radeon R7 Mobile Graphics on a scale of 1 to 5:

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4.7 13 votes

Rate Radeon RX 6600S on a scale of 1 to 5:

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Questions & comments

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