GeForce RTX 4090 Mobile vs Radeon RX Vega Mobile

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Primary details

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

Place in the rankingnot rated18
Place by popularitynot in top-100not in top-100
Power efficiencyno data41.48
ArchitectureVega (2017−2020)Ada Lovelace (2022−2024)
GPU code nameVega MobileAD103
Market segmentLaptopLaptop
Release date7 January 2018 (6 years 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 cores17929728
Core clock speedno data1335 MHz
Boost clock speedno data1695 MHz
Number of transistorsno data45,900 million
Manufacturing process technology14 nm4 nm
Power consumption (TDP)90 Watt120 Watt
Texture fill rateno data515.3
Floating-point processing powerno data32.98 TFLOPS
ROPsno data112
TMUsno data304
Tensor Coresno data304
Ray Tracing Coresno data76

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 sizedlarge
Interfaceno dataPCIe 4.0 x16

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 typeHBM2GDDR6
Maximum RAM amount4 GB16 GB
Memory bus width2048 Bit256 Bit
Memory clock speedno data2250 MHz
Memory bandwidthno data576.0 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 Connectorsno dataPortable Device Dependent

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX12_112 Ultimate (12_2)
Shader Modelno data6.7
OpenGLno data4.6
OpenCLno data3.0
Vulkan-1.3
CUDA-8.9

Pros & cons summary


Recency 7 January 2018 3 January 2023
Maximum RAM amount 4 GB 16 GB
Chip lithography 14 nm 4 nm
Power consumption (TDP) 90 Watt 120 Watt

RX Vega Mobile has 33.3% lower power consumption.

RTX 4090 Mobile, on the other hand, has an age advantage of 4 years, a 300% higher maximum VRAM amount, and a 250% more advanced lithography process.

We couldn't decide between Radeon RX Vega Mobile and GeForce RTX 4090 Mobile. 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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AMD Radeon RX Vega Mobile
Radeon RX Vega Mobile
NVIDIA GeForce RTX 4090 Mobile
GeForce RTX 4090 Mobile

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


2.8 296 votes

Rate Radeon RX Vega Mobile on a scale of 1 to 5:

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3.6 618 votes

Rate GeForce RTX 4090 Mobile on a scale of 1 to 5:

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Questions & comments

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