GeForce RTX 4080 Ti vs Radeon RX 6600M

Primary details

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

Place in the ranking136not rated
Place by popularitynot in top-100not in top-100
Power efficiency24.84no data
ArchitectureRDNA 2.0 (2020−2024)Ada Lovelace (2022−2024)
GPU code nameNavi 23AD102
Market segmentLaptopDesktop
Release date31 May 2021 (3 years ago)2023 (1 year 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 cores179214080
Core clock speed2068 MHz2340 MHz
Boost clock speed2416 MHz2610 MHz
Number of transistors11,060 million76,300 million
Manufacturing process technology7 nm5 nm
Power consumption (TDP)100 Watt400 Watt
Texture fill rate270.61,148
Floating-point processing power8.659 TFLOPS73.5 TFLOPS
ROPs64144
TMUs112440
Tensor Coresno data440
Ray Tracing Cores28110

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
Lengthno data336 mm
Widthno data3-slot
Supplementary power connectorsNone1x 16-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 typeGDDR6GDDR6X
Maximum RAM amount8 GB16 GB
Memory bus width128 Bit256 Bit
Memory clock speed1750 MHz1325 MHz
Memory bandwidth224.0 GB/s678.4 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 outputs1x HDMI 2.1, 3x DisplayPort 1.4a
HDMI-+

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 8 GB 16 GB
Chip lithography 7 nm 5 nm
Power consumption (TDP) 100 Watt 400 Watt

RX 6600M has 300% lower power consumption.

RTX 4080 Ti, on the other hand, has a 100% higher maximum VRAM amount, and a 40% more advanced lithography process.

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

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

Comparisons with similar GPUs

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Community ratings

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4.3 987 votes

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Questions & comments

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