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Sapphire company is one AMD partners , who recognized the existence of radeon HD 2900 XT with 1 Gb GDDR-4 memory .
Sapphire company already began to dispatch video card radeon HD 2900 XT with 1 Gb GDDR-4 memory in the retail market. The cost of this version will be approximately $150 higher than the prices of radeon HD 2900 XT with 512 mb GDDR- 3 memory.
The Characteristics of Sapphire video card was not defined, previously were mentioned the frequencies 743/2050 MHz. Diamond multimedia also reduced the core frequency from 825 MHz to 743 MHz. This last, indicates 2200 MHz DDR as memory frequency , which completely corresponds to the characteristics of memory microcircuits from samsung production with access time 0.9 ns. However, real video card, described by our associate , have memory frequency 2000 MHz DDR. It is possible to note that additional 512 mb memory and high frequencies allow similar video card to outperform its predecessor with 512 mb GDDR- 3 memory by 10-20% in heavy graphic regimes. This advantage will cost an additional $150 .



- Processor: Intel Core 2 Extreme QX6800
- Mainboard: Intel Desktop Board D975XBX2 (Bad Axe 2) | ASUS P5N32-E SLI (680i)
- Hard Drive: Western Digital 2500KS 7200RPM, 250GB with 16MB Cache Buffer
- Video: NVIDIA GeForce 8800GTS 640MB (Reference Card) | (2x) NVIDIA GeForce 8800 Ultra (Reference Card) | (2x) XFX NVIDIA GeForce 8800GTX extreme (600/1900) | (2x) ATI Radeon HD 2900XT 512MB | (2x) ATI Radeon HD 2900XTX 1GB | (2x) Diamond Viper Radeon HD 2900XT 1GB
- Memory: 2048MB (2x1024MB) Corsair XMS2 PC2 8500 (running at PC2 6400)
- Power Supply: Cooler Master Real Power Pro 850
 
 

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