GeForce RTX 4090 Max-Q vs RTX 4080 Mobile

Primary details

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

Place in the ranking27not rated
Place by popularitynot in top-100not in top-100
Power efficiency41.14no data
ArchitectureAda Lovelace (2022−2024)Ada Lovelace (2022−2024)
GPU code nameAD104AD103
Market segmentLaptopLaptop
Release date3 January 2023 (1 year ago)3 January 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 cores74249728
Core clock speed1290 MHz930 MHz
Boost clock speed1665 MHz1455 MHz
Number of transistors35,800 million45,900 million
Manufacturing process technology4 nm4 nm
Power consumption (TDP)110 Watt80 Watt
Texture fill rate386.3442.3
Floating-point processing power24.72 TFLOPS28.31 TFLOPS
ROPs80112
TMUs232304
Tensor Cores232304
Ray Tracing Cores5876

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 sizelargeno data
InterfacePCIe 4.0 x16PCIe 4.0 x16
Supplementary power connectorsno dataNone

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 amount12 GB16 GB
Memory bus width192 Bit256 Bit
Memory clock speed2250 MHz1750 MHz
Memory bandwidth432.0 GB/s448.0 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 ConnectorsPortable Device DependentPortable 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 Model6.76.7
OpenGL4.64.6
OpenCL3.03.0
Vulkan1.31.3
CUDA8.98.9

Pros & cons summary


Maximum RAM amount 12 GB 16 GB
Power consumption (TDP) 110 Watt 80 Watt

RTX 4090 Max-Q has a 33.3% higher maximum VRAM amount, and 37.5% lower power consumption.

We couldn't decide between GeForce RTX 4080 Mobile and GeForce RTX 4090 Max-Q. 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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NVIDIA GeForce RTX 4080 Mobile
GeForce RTX 4080 Mobile
NVIDIA GeForce RTX 4090 Max-Q
GeForce RTX 4090 Max-Q

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Community ratings

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4 620 votes

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3.3 146 votes

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Questions & comments

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