Radeon RX 6600M vs RX Vega Mobile

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Primary details

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

Place in the rankingnot rated136
Place by popularitynot in top-100not in top-100
Power efficiencyno data24.94
ArchitectureVega (2017−2020)RDNA 2.0 (2020−2024)
GPU code nameVega MobileNavi 23
Market segmentLaptopLaptop
Release date7 January 2018 (6 years ago)31 May 2021 (3 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 cores17921792
Core clock speedno data2068 MHz
Boost clock speedno data2416 MHz
Number of transistorsno data11,060 million
Manufacturing process technology14 nm7 nm
Power consumption (TDP)90 Watt100 Watt
Texture fill rateno data270.6
Floating-point processing powerno data8.659 TFLOPS
ROPsno data64
TMUsno data112
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 sizemedium sizedmedium sized
Interfaceno dataPCIe 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 typeHBM2GDDR6
Maximum RAM amount4 GB8 GB
Memory bus width2048 Bit128 Bit
Memory clock speedno data1750 MHz
Memory bandwidthno data224.0 GB/s
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 Connectorsno dataNo outputs

API compatibility

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

DirectX12_112 Ultimate (12_2)
Shader Modelno data6.5
OpenGLno data4.6
OpenCLno data2.1
Vulkan-1.3

Pros & cons summary


Recency 7 January 2018 31 May 2021
Maximum RAM amount 4 GB 8 GB
Chip lithography 14 nm 7 nm
Power consumption (TDP) 90 Watt 100 Watt

RX Vega Mobile has 11.1% lower power consumption.

RX 6600M, on the other hand, has an age advantage of 3 years, a 100% higher maximum VRAM amount, and a 100% more advanced lithography process.

We couldn't decide between Radeon RX Vega Mobile and Radeon RX 6600M. 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 RX Vega Mobile
Radeon RX Vega Mobile
AMD Radeon RX 6600M
Radeon RX 6600M

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.


2.8 302 votes

Rate Radeon RX Vega Mobile on a scale of 1 to 5:

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4.3 994 votes

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

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Questions & comments

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