The First Data about AMD Ryzen R7 1800X, R7 1700X and R7 1700 Cost Have Been Revealed

From day to day we obtain more and more info about AMD Ryzen processors and changes in company naming. Data on several Ryzen CPUs prices are already available online and should be treated with caution, because AMD specialties’ success depends on their cost-productivity correlation.



Thus, a new series flagship, R7 1800X, will cost 600 EUR. Its overfrequency will make 4 GHz. The basic frequency is likely to be 3.6 GHz. This model claims to provide competition for the Intel Core i7-6900K product from the Broadwell-E family, which is sold at 1,000 USD. CPU R7 1700X is expected to cost 470 EUR and deliver the 3.8 GHz enhanced frequency. It is worth more, than Core i7-7700K, which costs 350 USD, thus we can assume, its productivity level will be higher. However, CPU R7 1700 with 3.7 GHz overfrequency will be retailed at the price tag of 390 EUR and feature just 65 W TDP.


One should take into account, that the prices indicated are meant for Europe; in the USA CPUs may be …

Modular Power Supply 650W Chieftec A80

Evaluating the effectiveness of modern computer power supplies, the most attention is paid to their coefficient of performance (COP) at a given load — usually means of 20%, 50% and 100%. At the same time, not less important requirement, established by standard 80PLUS should be considered. That means — the preservation of this level of performance for all occurring in the world supply voltage variations, that is in the range of 100-240 V.



The standard rules of 80PLUS at different levels (Basic, Bronze, Silver, Gold, Platinum, etc.) are performed for two voltage 115 V and 230 V. In both cases, the normalized PS should show the efficiency of not less than specified for each category level. Not usual power supply CTG-650C model of the new A-80 series from the Chieftec company is interesting in that it has officially claimed efficiency of 85% or more, but only for nets 220-240 V.


As the advantages of such solution can immediately be noted a lower price, due to less stringent …

MSI Announces Middle-End Graphics Card N770 TF 4GD5/OC

MSI announces one more representative of MSI Gaming series – a middle-end graphics solution, based on GeForce GTX 770 adapter. Codenamed N770 TF 4GD5/OC, the new-comer boasts an original design, the availability of factory overclocking, the implementation of a brand cooling system, called Twin Frozr IV, and high-quality Military Class IV components. This model is targeting those users who would like to equip their PC systems with up-dated, reliable and high-yield components.



MSI N770 TF 4GD5/OC takes GK104 chip as the basis of its operation. This chip is developed under 28 nm Kepler microarchitecture with 1536 CUDA cores. Clock frequencies in OC mode exceed those performed by the reference model and make up 1137 MHz in nominal mode, increasing to 1189 MHz on dynamic overclocking. GK104 is accompanied by 4 GB of GDDR5 memory with 256-bit interface; memory modules operate at 1752 MHz frequency in nominal mode and at 7010 MHz on overclocking.


This graphics card employs …
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