Radeon HD 7490M vs ATI Mobility HD 3430

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
ArchitectureTeraScale (2005−2013)TeraScale 2 (2009−2015)
GPU code nameM82Seymour
Market segmentLaptopLaptop
Release date25 July 2008 (16 years ago)7 January 2012 (12 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 cores40160
Core clock speed450 MHz800 MHz
Number of transistors181 million370 million
Manufacturing process technology55 nm40 nm
Power consumption (TDP)12 Watt9 Watt
Texture fill rate1.8006.400
Floating-point processing power0.036 TFLOPS0.256 TFLOPS
ROPs44
TMUs48

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).

InterfaceMXM-IIPCIe 2.0 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 typeDDR2GDDR5
Maximum RAM amount256 MB1 GB
Memory bus width64 Bit64 Bit
Memory clock speed400 MHz950 MHz
Memory bandwidth6.4 GB/s30.4 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 3D and general-purpose computing APIs, including their specific versions.

DirectX10.111.2 (11_0)
Shader Model4.15.0
OpenGL3.34.4
OpenCLN/A1.2
VulkanN/AN/A

Pros & cons summary


Recency 25 July 2008 7 January 2012
Maximum RAM amount 256 MB 1 GB
Chip lithography 55 nm 40 nm
Power consumption (TDP) 12 Watt 9 Watt

HD 7490M has an age advantage of 3 years, a 300% higher maximum VRAM amount, a 37.5% more advanced lithography process, and 33.3% lower power consumption.

We couldn't decide between Mobility Radeon HD 3430 and Radeon HD 7490M. 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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ATI Mobility Radeon HD 3430
Mobility Radeon HD 3430
AMD Radeon HD 7490M
Radeon HD 7490M

Comparisons with similar GPUs

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Community ratings

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3.5 15 votes

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3.6 9 votes

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Questions & comments

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