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ATI Radeon X800 XL Videocard Review
ATI Radeon X800 XL Videocard Review - PCSTATS
In the high-end videocard market, the Radeon X800 XL VPU offers great value.
 84% Rating:   
Filed under: Video Cards Published:  Author: 
External Mfg. Website: ATI Jun 23 2005   C. Sun  
Home > Reviews > Video Cards > ATI Radeon X800XL

Overclocking the X800 XL

The Radeon X800 XL core is built on IBM's 0.11 micron manufacturing technology and the core contains approximately 160 million transistors. As you've probably noticed, the X800 XL uses a slightly smaller manufacturing process than the X850 (0.13 low-K), but ATi has always experimented with new technology on its lower-end cards.

The X800 XL core is clocked at 400 MHz, and has 16 rendering pipelines. The card is also backed up by 2ns Samsung memory which is clocked at a full 1 GHz using a 256-bit memory controller. That means the X800 XL VPU is basically the X850 but slightly smaller and running a bit slower. Let's see if overclocking brings it to the same level...

Overclocking the beauty!

Overclocking Results:
stock overclocked
gpu (core) speed: 398MHz 441MHz
Memory Speed: 984MHz 1113MHz

When it comes to overclocking ATI Radeon-based videocards, I feel that PCStats has had its best luck when dealing with 'official' built-by-ATi cards. We'll see if this holds true with the ATI X800 XL.

By default the X800 XL VPU is clocked at 398 MHz while the memory hums a long at 984 MHz, slightly lower than ATi's official 1 GHz rating.

Starting with the core, we raised the clock speed only a few MHz at a time since our last overclocking attempt with the Gigabyte GV-RX80L256V did not go very far. We easily passed the 421 MHz mark, the speed at which our other X800 XL videocard topped out, and continued upwards. We hit a strange issue at 442 MHz, where the ATI Radeon X800 XL started to show major checkerboard type artifacts. Oddly, at 441 MHz, the card was perfectly stable. A 10% core overclock isn't too shabby to start with though.

The first thing we did was set the memory to run at a full 1 GHz and it had absolutely no problems running at that frequency. Playing nicely, we then raised the memory speed in 4 MHz intervals and 1.01, 1.02 and 1.10 GHz fell by the wayside. The maximum speed we got the memory to was 1.11 GHz, very good for an ATi Radeon X800 XL class videocard!

The core and memory played nicely together and we could run both at their maximum overclocked speeds without issue. Considering the ATi Radeon X800 XL we tested is a retail version, the cards currently on the market should be quite good at overclocking too.

PCStats Test System Specs:

amd athlon64 4000+

clock speed: 12 x 200 mhz = 2.4 ghz

dfi lanparty nf4 sli-dr (nf4-sli)
gigabyte ga-k8nsnxp-939 (nf3 ultra)


msi rx800xt-vtd256e
gigabyte gv-rx80l256v
powercolor x700 pro
powercolor bravo x700
msi nx6800gt-t2d256e
albatron trinity geforce 6600gt agp
msi nx6600gt-td128
albatron trinity pc6600
asus extreme n6600top/td/128m/a
gigabyte gv-3d1 (single mode)
gigabyte gv-3d1 (sli mode)
msi nx6600gt-td128e (single mode)
msi nx6600gt-td128e (sli mode)
ati radeon x800 xl


2x 512mb mushkin pc3200 l2 v2

hard drive: 74gb wd raptor 10k rpm sata hdd
cdrom: aopen 52x combo
powersupply: seasonic super tornado 400w
software setup

windowsxp build 2600
catalyst 4.12
detonator 66.93


gun metal 2
x2 the threat

aa test, af and aa+af test

the agp and pci-e systems use a different motherboard but results are shown for reference. unfortunately there are no aquamark3 numbers for this review, we could not get the benchmark working.

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Contents of Article: ATI Radeon X800XL
 Pg 1.  ATI Radeon X800 XL Videocard Review
 Pg 2.  — Overclocking the X800 XL
 Pg 3.  Benchmarks: 3DMark2001, 3DMark05
 Pg 4.  Benchmarks: CodeCreatures
 Pg 5.  Benchmarks: AquaMark
 Pg 6.  Benchmarks: Gun Metal 2
 Pg 7.  Benchmarks: X2: The Threat
 Pg 8.  Benchmarks: UT2003
 Pg 9.  Benchmarks: Doom 3
 Pg 10.  Advanced Benchmarks: 3DMark2001, X2: The Threat
 Pg 11.  Advanced benchmarks: Doom 3

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