RTX A4000 Max-Q vs GeForce RTX 4090 Mobile

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Primary details

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

Place in the ranking18not rated
Place by popularitynot in top-100not in top-100
Power efficiency41.39no data
ArchitectureAda Lovelace (2022−2024)Ampere (2020−2024)
GPU code nameAD103GA104
Market segmentLaptopMobile workstation
Release date3 January 2023 (1 year ago)12 April 2021 (3 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 cores97285120
Core clock speed1335 MHz780 MHz
Boost clock speed1695 MHz1395 MHz
Number of transistors45,900 million17,400 million
Manufacturing process technology4 nm8 nm
Power consumption (TDP)120 Watt80 Watt
Texture fill rate515.3223.2
Floating-point processing power32.98 TFLOPS14.28 TFLOPS
ROPs11280
TMUs304160
Tensor Cores304160
Ray Tracing Cores7640

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 amount16 GB8 GB
Memory bus width256 Bit256 Bit
Memory clock speed2250 MHz1375 MHz
Memory bandwidth576.0 GB/s352.0 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
CUDA8.98.6

Pros & cons summary


Recency 3 January 2023 12 April 2021
Maximum RAM amount 16 GB 8 GB
Chip lithography 4 nm 8 nm
Power consumption (TDP) 120 Watt 80 Watt

RTX 4090 Mobile has an age advantage of 1 year, a 100% higher maximum VRAM amount, and a 100% more advanced lithography process.

RTX A4000 Max-Q, on the other hand, has 50% lower power consumption.

We couldn't decide between GeForce RTX 4090 Mobile and RTX A4000 Max-Q. We've got no test results to judge.

Be aware that GeForce RTX 4090 Mobile is a notebook graphics card while RTX A4000 Max-Q is a mobile workstation 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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NVIDIA GeForce RTX 4090 Mobile
GeForce RTX 4090 Mobile
NVIDIA RTX A4000 Max-Q
RTX A4000 Max-Q

Comparisons with similar GPUs

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Community ratings

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Questions & comments

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