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Asus EN8800GT/HTDP/1G 1GB graphics card

Nvidia's 'G92' gets a gig to play with

That’s the cosmetics and cooling out of the way, so let’s take a look at the spec of the EN8800GT 1GB, including that extra memory. Of the 8800 GTs that we’ve seen to date, the MSI NX8800GT has a core speed of 660MHz and memory that runs at an effective speed of 1900MHz. The overclocked 512MB Asus EN8800GT TOP has a 700MHz core and 512MB of memory with a speed of 2000MHz.

Asus EN8800GT 1GB

Single-slot backplane, double-slot cooler

By contrast, the EN8800GT 1GB core speed is 600MHz and the memory runs at 1800MHz, and that 1.1ns figure suggests the memory doesn’t have much headroom for overclocking. The Unified Shaders, or Stream Processors, that make up the heart of a GeForce 8800-series GPU run 2.5x faster than the core speed so that’s 1650MHz on the MSI, 1750MHz on the Asus TOP and a mere 1500MHz on the Asus 1GB.

Hmm, that doesn’t look too promising.

We tested the 1GB card back-to-back with the Asus 512MB TOP model and compared both to a regular 8800 GT. The test system used an Intel Core 2 Q6600 processor; an Abit IP35 Pro motherboard based on the P35 chipset; 2GB of Corsair TWIN2X-9136C5 memory; and a Hitachi 7K1000 hard drive running on Windows Vista.

Asus EN8800GT 1GB CPU-Z Asus EN8800GT TOP CPU-Z

CPU-Z readouts: EN8800GT 1GB (left) and EN8800GT TOP

The 1GB card draws 20W less at the mains socket than the 512MB TOP, which is a hefty amount of power. It seems unlikely that this can be thanks to the extra memory or that the Asus fan is significantly more efficient than the standard Nvidia fan so you have to put the power saving down to the slower clock speeds.

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