GeForce RTX 4080 Ti vs Radeon 660M

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Primary details

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

Place in the ranking332not rated
Place by popularitynot in top-100not in top-100
Power efficiency27.94no data
ArchitectureRDNA 2.0 (2020−2024)Ada Lovelace (2022−2024)
GPU code nameRembrandt+AD102
Market segmentLaptopDesktop
Release date3 January 2023 (1 year 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 cores38414080
Core clock speed1500 MHz2340 MHz
Boost clock speed1900 MHz2610 MHz
Number of transistors13,100 million76,300 million
Manufacturing process technology6 nm5 nm
Power consumption (TDP)40 Watt400 Watt
Texture fill rate45.601,148
Floating-point processing power1.459 TFLOPS73.5 TFLOPS
ROPs16144
TMUs24440
Tensor Coresno data440
Ray Tracing Cores6110

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
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 typeSystem SharedGDDR6X
Maximum RAM amountSystem Shared16 GB
Memory bus widthSystem Shared256 Bit
Memory clock speedSystem Shared1325 MHz
Memory bandwidthno data678.4 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 ConnectorsPortable Device Dependent1x 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 Model6.76.7
OpenGL4.64.6
OpenCL2.03.0
Vulkan1.31.3
CUDA-8.9

Pros & cons summary


Chip lithography 6 nm 5 nm
Power consumption (TDP) 40 Watt 400 Watt

Radeon 660M has 900% lower power consumption.

RTX 4080 Ti, on the other hand, has a 20% more advanced lithography process.

We couldn't decide between Radeon 660M and GeForce RTX 4080 Ti. We've got no test results to judge.

Be aware that Radeon 660M 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 660M
Radeon 660M
NVIDIA GeForce RTX 4080 Ti
GeForce RTX 4080 Ti

Comparisons with similar GPUs

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Community ratings

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3.6 324 votes

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Questions & comments

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