GeForce RTX 4080 Ti Mobile vs Radeon RX 6600S

Primary details

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

Place in the ranking142not rated
Place by popularitynot in top-100not in top-100
Power efficiency30.80no data
ArchitectureRDNA 2.0 (2020−2024)Ada Lovelace (2022−2024)
GPU code nameNavi 23AD104
Market segmentLaptopLaptop
Release date4 January 2022 (2 years ago)no data (2024 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 cores17927280
Core clock speed1700 MHzno data
Boost clock speed2000 MHz1665 MHz
Number of transistors11,060 million35,800 million
Manufacturing process technology7 nm4 nm
Power consumption (TDP)80 Watt175 Watt
Texture fill rate224.0399.6
Floating-point processing power7.168 TFLOPS24.24 TFLOPS
ROPs6480
TMUs112240
Ray Tracing Cores28no 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).

Laptop sizemedium sizedno data
InterfacePCIe 4.0 x8PCIe 4.0 x16
Supplementary power connectorsNoneno 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 amount4 GB12 GB
Memory bus width128 Bit192 Bit
Memory clock speed1750 MHz16 GB/s
Memory bandwidth224.0 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 ConnectorsNo outputsPortable Device Dependent

API compatibility

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

DirectX12 Ultimate (12_2)12 Ultimate (12_2)
Shader Model6.56.7
OpenGL4.64.6
OpenCL2.13.0
Vulkan1.31.3
CUDA-8.9

Pros & cons summary


Maximum RAM amount 4 GB 12 GB
Chip lithography 7 nm 4 nm
Power consumption (TDP) 80 Watt 175 Watt

RX 6600S has 118.8% lower power consumption.

RTX 4080 Ti Mobile, on the other hand, has a 200% higher maximum VRAM amount, and a 75% more advanced lithography process.

We couldn't decide between Radeon RX 6600S and GeForce RTX 4080 Ti Mobile. 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 6600S
Radeon RX 6600S
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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4.7 13 votes

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4.2 35 votes

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Questions & comments

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