Asus Radeon HD 4870 Matrix

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Asus Radeon HD 4870 Matrix

March 8, 2009 by Lawrence Lee

Asus EAH4870

PCI-E Graphics Card
Street Price

For most high powered cards, the conventional cooler consists of a copper base-plate connected to a mass of aluminum fins via heatpipes. While this is an effective way to draw heat away from a hot GPU, the method employed to get rid of all this heat is what typically makes these cards noisy — a loud blower fan with a plastic housing covering the entire unit to ensure air is forced out the back of the case rather than being scattered around the interior. It takes a significant amount of airflow to make this model work, especially when the GPUs in question pull more than 100W worth of power.

Asus HD 4870 Matrix next to a reference HD 4870 1GB sample from ATI. Both cards measure 24.1 cm, but Matrix weighs only 550g compared to ATI's 800g.

Asus' Radeon HD 4870 Matrix.

The Asus Radeon HD 4870 Matrix takes a different approach, utilizing two downward-blowing fans without the restrictive shroud. This gives the heatsink more room to "breathe" and provides the GPU and board components with direct airflow. It also potentially cuts the amount of work each individual fan has to do. By all accounts, it should be a quieter, cooler card. The Radeon HD 4870 GPU is rated at 125W TDP according to ATI — a prime candidate for an improved cooling system.

ATI Radeon HD 4870 1GB specifications according to GPU-Z. The HD 4870's reference speeds are 750MHz / 900MHz.

Asus HD 4870 Matrix specifications. GPU and memory clocks are 20MHz higher.

Asus EAH4870 MATRIX: Specifications
(from the product web page)

Our sample came as a bare card without a box or accessories. According to the specification sheet, the retail version ships with a component-out cable, DVI to VGA adapter, and DVI to HDMI adapter.

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