by November 4, 2006 0 comments

We have two HyperX series RAMs from Kingston-one being a PC2-8000 CL5
(KHX8000D2K2/2G) 1000 MHz and second PC2-6400 CL4 (KHX6400D2LLK2/2G) 800 MHz.
These DDR2 DIMMs provide lower latency at high speed. Latency is amount of clock
utilized for read/write requests to complete. The lower the latency, the better
the performance.

Both of these RAM modules come in a 2 GB pair kit with 1 GB on each module
These modules have SPD (Serial Presence Detect) programmed to JEDEC (Joint
Electron Device Engineering Council) standard latency of 5-5-5-15 working at 1.8
V on 800 MHz for PC2-8000 and 667 MHz for PC2-6400. 

Price: PC2-8000: Rs 34,000; PC2-64,000: Rs 24,500 (life-time warranty)
Key Specs: 2 GB DDR2 RAM, heat shedder
Contact: Kingston Technologies, MumbaiTel: 26592961, E-mail:
RQS# E66 or SMS Buy 131166 to 6677

Both memory modules support dual channel. We ran the memory test suite of
PCMark 2005 benchmark, which runs a series of read, write, copy and latency
tests with varying loads of 4 KB to 16 MB. We used a Core 2 Extreme processor on
an ECS PX1 Extreme motherboard to test it, which let us change the SPD setting
to manual configuration and also change latency parameters.

With the PC2-6400, we could clock to 4-4-4-12 at 667 MHz and 2.0 V-a
setting at which it performed smoothly and better than normal PC2-4200 533 MHz
RAM available in the market. The difference is significant as the 533MHz RAM
showed a score of 5601 PCMarks compared to 5921 PCMarks with the Kingston
PC2-6400 (5.7% rise in performance). Our test system did not boot with the RAM
clocked at 800 MHz, contrary to Kingston’s claims that it works fine at this
setting. The PC2-8000 modules rated is 5-5-5-15 on 800 MHz at 1.8 V but above
that it went up to a lower latency speed of 4-4-4-12 at 800 MHz and 2.2 V
showing better performance at 5986 PCMarks compared to others and 5934 PCMarks
of its own at default conditions.

Bottom Line: A good buy for extreme gamers who can afford the
exhorbitant price.

Anubhav Verma

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