RTX A4500 Mobile vs Radeon HD 6490M Mac Edition

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Primary details

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

Place in the rankingnot rated76
Place by popularitynot in top-100not in top-100
ArchitectureTeraScale 2 (2009−2015)Ampere (2020−2024)
GPU code nameSeymourGA104
Market segmentDesktopLaptop
Release date2 May 2011 (13 years ago)30 March 2022 (2 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 cores1605888
Core clock speed750 MHz930 MHz
Boost clock speedno data1500 MHz
Number of transistors370 million17,400 million
Manufacturing process technology40 nm8 nm
Power consumption (TDP)no data140 Watt (80 - 140 Watt TGP)
Texture fill rate6.000223.6
Floating-point processing power0.24 gflops14.31 gflops

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
InterfacePCIe 2.0 x16PCIe 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 typeGDDR5GDDR6
Maximum RAM amount256 MB16 GB
Memory bus width64 Bit256 Bit
Memory clock speed3176 MHz16000 MHz
Memory bandwidth25.41 GB/s448.0 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 outputsNo outputs

API compatibility

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

DirectX11.2 (11_0)12 Ultimate (12_2)
Shader Model5.06.6
OpenGL4.44.6
OpenCL1.23.0
VulkanN/A1.3
CUDA-8.6

Pros & cons summary


Recency 2 May 2011 30 March 2022
Maximum RAM amount 256 MB 16 GB
Chip lithography 40 nm 8 nm

RTX A4500 Mobile has an age advantage of 10 years, a 6300% higher maximum VRAM amount, and a 400% more advanced lithography process.

We couldn't decide between Radeon HD 6490M Mac Edition and RTX A4500 Mobile. We've got no test results to judge.

Be aware that Radeon HD 6490M Mac Edition is a desktop card while RTX A4500 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 HD 6490M Mac Edition
Radeon HD 6490M Mac Edition
NVIDIA RTX A4500 Mobile
RTX A4500 Mobile

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Community ratings

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Questions & comments

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