GeForce RTX 4080 Ti Mobile vs Radeon RX 6600 XT

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Primary details

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

Place in the ranking88not rated
Place by popularity78not in top-100
Cost-effectiveness evaluation63.50no data
Power efficiency19.29no data
ArchitectureRDNA 2.0 (2020−2024)Ada Lovelace (2022−2024)
GPU code nameNavi 23AD104
Market segmentDesktopLaptop
Release date30 July 2021 (3 years ago)no data (2024 years ago)
Launch price (MSRP)$379 no data

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 cores20487280
Core clock speed1968 MHzno data
Boost clock speed2589 MHz1665 MHz
Number of transistors11,060 million35,800 million
Manufacturing process technology7 nm4 nm
Power consumption (TDP)160 Watt175 Watt
Texture fill rate331.4399.6
Floating-point processing power10.6 TFLOPS24.24 TFLOPS
ROPs6480
TMUs128240
Ray Tracing Cores32no data

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 x16
Length190 mmno data
Width2-slotno data
Supplementary power connectors1x 8-pinno data

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 typeGDDR6GDDR6
Maximum RAM amount8 GB12 GB
Memory bus width128 Bit192 Bit
Memory clock speed2000 MHz16 GB/s
Memory bandwidth256.0 GB/s384.0 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, 2x DisplayPortPortable Device Dependent
HDMI+-

API compatibility

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

DirectX12.0 Ultimate (12_2)12 Ultimate (12_2)
Shader Model6.56.7
OpenGL4.64.6
OpenCL2.13.0
Vulkan1.21.3
CUDA-8.9

Pros & cons summary


Maximum RAM amount 8 GB 12 GB
Chip lithography 7 nm 4 nm
Power consumption (TDP) 160 Watt 175 Watt

RX 6600 XT has 9.4% lower power consumption.

RTX 4080 Ti Mobile, on the other hand, has a 50% higher maximum VRAM amount, and a 75% more advanced lithography process.

We couldn't decide between Radeon RX 6600 XT and GeForce RTX 4080 Ti Mobile. We've got no test results to judge.

Be aware that Radeon RX 6600 XT is a desktop card while GeForce RTX 4080 Ti Mobile 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 6600 XT
Radeon RX 6600 XT
NVIDIA GeForce RTX 4080 Ti Mobile
GeForce RTX 4080 Ti Mobile

Comparisons with similar GPUs

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Community ratings

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4.3 4160 votes

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4.2 35 votes

Rate GeForce RTX 4080 Ti Mobile on a scale of 1 to 5:

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Questions & comments

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