GeForce RTX 4090 Max-Q vs RTX 4080 Max-Q

Primary details

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

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
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 speed795 MHz930 MHz
Boost clock speed1350 MHz1455 MHz
Number of transistors35,800 million45,900 million
Manufacturing process technology4 nm4 nm
Power consumption (TDP)60 Watt80 Watt
Texture fill rate313.2442.3
Floating-point processing power20.04 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).

InterfacePCIe 4.0 x16PCIe 4.0 x16
Supplementary power connectorsNoneNone

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 speed1750 MHz1750 MHz
Memory bandwidth336.0 GB/s448.0 GB/s

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) 60 Watt 80 Watt

RTX 4080 Max-Q has 33.3% lower power consumption.

RTX 4090 Max-Q, on the other hand, has a 33.3% higher maximum VRAM amount.

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

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Community ratings

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3.7 3 votes

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3.4 144 votes

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Questions & comments

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