ION HX vs Radeon HD 8490 OEM

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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 2 (2009−2015)Tesla (2006−2010)
GPU code nameCaicosION
Market segmentDesktopLaptop
Release date23 July 2013 (11 years ago)3 June 2008 (16 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 cores16016
Core clock speed875 MHz450 MHz
Number of transistors370 million282 million
Manufacturing process technology40 nm65 nm
Power consumption (TDP)35 Watt20 Watt
Texture fill rate7.0003.600
Floating-point processing power0.28 TFLOPS0.0352 TFLOPS
ROPs44
TMUs88

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 2.0 x16PCI
Length168 mmno data
Width1-slotno 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 typeDDR3System Shared
Maximum RAM amount1 GBSystem Shared
Memory bus width64 BitSystem Shared
Memory clock speed900 MHzSystem Shared
Memory bandwidth14.4 GB/sno data
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 Connectors1x DVI, 1x DisplayPortNo outputs

API compatibility

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

DirectX11.2 (11_0)11.1 (10_0)
Shader Model5.04.0
OpenGL4.43.3
OpenCL1.2N/A
VulkanN/AN/A

Pros & cons summary


Recency 23 July 2013 3 June 2008
Chip lithography 40 nm 65 nm
Power consumption (TDP) 35 Watt 20 Watt

HD 8490 OEM has an age advantage of 5 years, and a 62.5% more advanced lithography process.

ION HX, on the other hand, has 75% lower power consumption.

We couldn't decide between Radeon HD 8490 OEM and ION HX. We've got no test results to judge.

Be aware that Radeon HD 8490 OEM is a desktop card while ION HX 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 8490 OEM
Radeon HD 8490 OEM
NVIDIA ION HX
ION HX

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Community ratings

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