Radeon RX 6600 XT vs RX Vega Mobile

#ad 
Buy on Amazon
VS

Primary details

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

Place in the rankingnot rated89
Place by popularitynot in top-10077
Cost-effectiveness evaluationno data64.70
ArchitectureVega (2017−2020)Navi / RDNA2 (2020−2022)
GPU code nameVega MobileNavi 23
Market segmentLaptopDesktop
Release date7 January 2018 (6 years ago)30 July 2021 (3 years ago)
Launch price (MSRP)no data$379

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

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 cores17922048
Core clock speedno data1968 MHz
Boost clock speedno data2589 MHz
Number of transistorsno data11,060 million
Manufacturing process technology14 nm7 nm
Power consumption (TDP)90 Watt160 (TGP) Watt
Texture fill rateno data331.4
Floating-point processing powerno data10.6 gflops
ROPsno data64
TMUsno data128

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 sizedno data
Interfaceno dataPCIe 4.0 x8
Lengthno data190 mm
Widthno data2-slot
Supplementary power connectorsno data1x 8-pin

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 data16000 MHz
Memory bandwidthno data256.0 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 data1x HDMI, 2x DisplayPort
HDMI-+

API compatibility

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

DirectX12_112.0 Ultimate (12_2)
Shader Modelno data6.5
OpenGLno data4.6
OpenCLno data2.1
Vulkan-1.2

Pros & cons summary


Recency 7 January 2018 30 July 2021
Maximum RAM amount 4 GB 8 GB
Chip lithography 14 nm 7 nm
Power consumption (TDP) 90 Watt 160 Watt

RX Vega Mobile has 77.8% lower power consumption.

RX 6600 XT, 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 6600 XT. We've got no test results to judge.

Be aware that Radeon RX Vega Mobile is a notebook card while Radeon RX 6600 XT is a desktop one.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


AMD Radeon RX Vega Mobile
Radeon RX Vega Mobile
AMD Radeon RX 6600 XT
Radeon RX 6600 XT

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.


2.8 290 votes

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

  • 1
  • 2
  • 3
  • 4
  • 5
4.2 4047 votes

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

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.