Radeon 520 Mobile GDDR5 vs GeForce RTX 4090 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)GCN 1.0 (2011−2020)
GPU code nameAD103Banks
Market segmentLaptopLaptop
Release date3 January 2023 (1 year ago)18 April 2017 (7 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 cores9728320
Core clock speed930 MHz1030 MHz
Boost clock speed1455 MHzno data
Number of transistors45,900 million690 million
Manufacturing process technology4 nm28 nm
Power consumption (TDP)80 Watt50 Watt
Texture fill rate442.320.60
Floating-point processing power28.31 TFLOPS0.6592 TFLOPS
ROPs1128
TMUs30420
Tensor Cores304no data
Ray Tracing Cores76no data

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 3.0 x8
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 typeGDDR6GDDR5
Maximum RAM amount16 GB2 GB
Memory bus width256 Bit64 Bit
Memory clock speed1750 MHz1125 MHz
Memory bandwidth448.0 GB/s36 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 (11_1)
Shader Model6.76.5 (5.1)
OpenGL4.64.6
OpenCL3.02.1 (1.2)
Vulkan1.31.2.170
CUDA8.9-

Pros & cons summary


Recency 3 January 2023 18 April 2017
Maximum RAM amount 16 GB 2 GB
Chip lithography 4 nm 28 nm
Power consumption (TDP) 80 Watt 50 Watt

RTX 4090 Max-Q has an age advantage of 5 years, a 700% higher maximum VRAM amount, and a 600% more advanced lithography process.

520 Mobile GDDR5, on the other hand, has 60% lower power consumption.

We couldn't decide between GeForce RTX 4090 Max-Q and Radeon 520 Mobile GDDR5. 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 4090 Max-Q
GeForce RTX 4090 Max-Q
AMD Radeon 520 Mobile GDDR5
Radeon 520 Mobile GDDR5

Comparisons with similar GPUs

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Community ratings

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3.4 144 votes

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4.1 11 votes

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Questions & comments

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