ION LE vs ATI Radeon X1900 XT

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Primary details

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

Place in the rankingnot rated1358
Place by popularitynot in top-100not in top-100
Power efficiencyno data0.86
ArchitectureR500 (2005−2007)Tesla (2006−2010)
GPU code nameR580ION
Market segmentDesktopLaptop
Release date24 January 2006 (18 years ago)3 June 2008 (16 years ago)
Launch price (MSRP)$299 no data

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 coresno data16
Core clock speed625 MHz450 MHz
Number of transistors384 million282 million
Manufacturing process technology90 nm65 nm
Power consumption (TDP)100 Watt20 Watt
Texture fill rate10.003.600
Floating-point processing powerno data0.0352 TFLOPS
ROPs164
TMUs168

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 1.0 x16PCI
Length242 mmno data
Width2-slotno data
Supplementary power connectors1x 6-pinno 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 typeGDDR3System Shared
Maximum RAM amount256 MBSystem Shared
Memory bus width256 BitSystem Shared
Memory clock speed725 MHzSystem Shared
Memory bandwidth46.4 GB/sno data
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 Connectors2x DVI, 1x S-VideoNo outputs

API compatibility

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

DirectX9.0c (9_3)11.1 (10_0)
Shader Model3.04.0
OpenGL2.1 (full) 3.0 (partial)3.3
OpenCLN/AN/A
VulkanN/AN/A

Pros & cons summary


Recency 24 January 2006 3 June 2008
Chip lithography 90 nm 65 nm
Power consumption (TDP) 100 Watt 20 Watt

ION LE has an age advantage of 2 years, a 38.5% more advanced lithography process, and 400% lower power consumption.

We couldn't decide between Radeon X1900 XT and ION LE. We've got no test results to judge.

Be aware that Radeon X1900 XT is a desktop card while ION LE 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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ATI Radeon X1900 XT
Radeon X1900 XT
NVIDIA ION LE
ION LE

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Community ratings

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2.4 32 votes

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