GeForce RTX 4090 Mobile vs Radeon Vega 8 Efficient

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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
ArchitectureGCN 5.0 (2017−2020)Ada Lovelace (2022−2024)
GPU code nameRavenAD103
Market segmentDesktopLaptop
Release date23 April 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 cores5129728
Core clock speed300 MHz1335 MHz
Boost clock speed1100 MHz1695 MHz
Number of transistors4,940 million45,900 million
Manufacturing process technology14 nm4 nm
Power consumption (TDP)35 Watt120 Watt
Texture fill rate35.20515.3
Floating-point processing power1.126 TFLOPS32.98 TFLOPS
ROPs8112
TMUs32304
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 sizeno datalarge
InterfaceIGPPCIe 4.0 x16
WidthIGPno data
Supplementary power connectorsNoneno data

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 SharedGDDR6
Maximum RAM amountSystem Shared16 GB
Memory bus widthSystem Shared256 Bit
Memory clock speedSystem Shared2250 MHz
Memory bandwidthno data576.0 GB/s
Shared memoryno data-

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 outputsPortable Device Dependent

API compatibility

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

DirectX12 (12_1)12 Ultimate (12_2)
Shader Model6.46.7
OpenGL4.64.6
OpenCL2.03.0
Vulkan1.2.1311.3
CUDA-8.9

Pros & cons summary


Recency 23 April 2018 3 January 2023
Chip lithography 14 nm 4 nm
Power consumption (TDP) 35 Watt 120 Watt

Vega 8 Efficient has 242.9% lower power consumption.

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

We couldn't decide between Radeon Vega 8 Efficient and GeForce RTX 4090 Mobile. We've got no test results to judge.

Be aware that Radeon Vega 8 Efficient is a desktop card while GeForce RTX 4090 Mobile is a notebook 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 Vega 8 Efficient
Radeon Vega 8 Efficient
NVIDIA GeForce RTX 4090 Mobile
GeForce RTX 4090 Mobile

Comparisons with similar GPUs

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Community ratings

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


2.9 52 votes

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3.6 618 votes

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Questions & comments

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