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Digital-Daily : Video : hd2400pro_vs_8400gs

HD2400Pro and 8400GS versus X1600Pro and 7300GT

HD2400Pro and 8400GS versus X1600Pro and 7300GT
Author: Dmitry Sofronov
Date: 15.08.2007

Sooner or later, update of graphic accelerator architectures touches upon all the sectors. While top-end products are struggling for absolute leadership and surprising by the incredible performance, then it is hard to expect any records from video cards of the low price sector. Normally, changes in the low-end are about addition of formal support for new capabilities which are not always possible to make use of because the poor performance of these products predetermined by their class. Moreover, sometimes the specifications of the novelties are cut down so much that there comes up the question – will they prove "weaker" than their predecessors? In 7300GT and X1600Pro, the memory bus is merely 128-bit, whereas in the low-end novelties HD2400Pro and 8400GS – merely 64-bit. Won't it happen that the twice as narrow memory bus cancels out the advantages of the new architecture? We'll try to sort out these questions today.

MSI RX2400Pro

As it is easy to guess, MSI RX2400Pro is nothing more than Radeon HD2400Pro. The replacement of the first two letters in the name with «RX» does not change the essence.

MSI RX2400Pro, front side of the box

The package is set in the customary style. It is evident from the labels on the that the video card is equipped with 256 MB of video memory and passive cooling.

MSI RX2400Pro, reverse side of the box

The reverse side of the package normally displays the standard set of supported technologies, including support for Direct 10, OpenGL 2.0, and readiness for Windows Vista. These requirements to the power supply unit look somehow overstated (and even strange) - "450W or over 350W". It's still a mystery what the authors wanted to say with this odd phrase. But don't worry about the power consumption - the requirements to the power supply unit include consumption of all the CPU unit components, whereas the video card HD2400Pro consuming little enough due to the 65-nm process technology.

MSI RX2400Pro, front view

Externally, MSI RX2400Pro looks pretty modest as it should be for a low-end product. The height of the PCB is merely half the "standard" PCB, which allows easily adapting MSI RX2400Pro to low-profile housings. Engineers at MSI decides to get by without active cooling, and there is nothing more than a radiator on the video chip.

MSI RX2400Pro, front view. w/o the cooler

Apart from the video processor, two video memory chips are hidden under the radiator. The GPU radiator does not do their cooling, and in fact the DDR2 memory circuits do not need that.

MSI RX2400Pro, rear view

The second pair of video memory circuits is on the reverse side of the PCB.

MSI RX2400Pro, video chip

This is how the video processor RV610 aka HD2400Pro looks. Due to the "fine" 65-nm process technology, the die and the chip as a whole has proved to be of very modest dimensions. The video processor is made up of about 180 mln transistors, contains 40 universal processors, 4 texture units, and 4 ROP units. The recommended frequency of HD2400Pro is 525 MHz, which is the frequency the GPU is just running. The video memory bandwidth, as was repeatedly stated, amounts to merely 64-bit.

MSI RX2400Pro, video memory

The overall video memory capacity 256 MB is assembled of four GDDR2 memory chips of 512 Mbit density, made by Hynix. The access time is 2.5 ns, which is equivalent to the effective frequency 800 MHz DDR. This is the nominal frequency the video memory runs.


  • Page 1 - MSI RX2400Pro
  • Page 2 - MSI NX8400GS
  • Page 3 - Benchmarking. Final Words

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