Radeon RX 6600M vs RX Vega XL

Primary details

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

Place in the rankingnot rated135
Place by popularitynot in top-100not in top-100
Power efficiencyno data26.22
ArchitectureGCN 5.0 (2017−2020)RDNA 2.0 (2020−2024)
GPU code nameVega 10Navi 23
Market segmentDesktopLaptop
Release date8 August 2017 (7 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 cores35841792
Core clock speed1500 MHz2068 MHz
Boost clock speed1630 MHz2416 MHz
Number of transistorsno data11,060 million
Manufacturing process technology14 nm7 nm
Power consumption (TDP)225 Watt100 Watt
Texture fill rate365.1270.6
Floating-point processing powerno data8.659 TFLOPS
ROPs6464
TMUs224112
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
InterfacePCIe 3.0 x16PCIe 4.0 x8
Length267 mmno data
Width2-slotno data
Supplementary power connectors2x 8-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 typeHBM2GDDR6
Maximum RAM amount8 GB8 GB
Memory bus width2048 Bit128 Bit
Memory clock speed1890 MHz1750 MHz
Memory bandwidth483.8 GB/s224.0 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 Connectors1x HDMI, 3x DisplayPortNo outputs
HDMI+-

API compatibility

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

DirectX12.012 Ultimate (12_2)
Shader Model5.06.5
OpenGL4.54.6
OpenCL2.02.1
Vulkan-1.3

Pros & cons summary


Recency 8 August 2017 31 May 2021
Chip lithography 14 nm 7 nm
Power consumption (TDP) 225 Watt 100 Watt

RX 6600M has an age advantage of 3 years, a 100% more advanced lithography process, and 125% lower power consumption.

We couldn't decide between Radeon RX Vega XL and Radeon RX 6600M. We've got no test results to judge.

Be aware that Radeon RX Vega XL is a desktop card while Radeon RX 6600M 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 Vega XL
Radeon RX Vega XL
AMD Radeon RX 6600M
Radeon RX 6600M

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Community ratings

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