Subject: Memory | September 10, 2012 - 04:06 PM | Jeremy Hellstrom
Tagged: kingston hyper x, kingston, ddr3-2133, ddr3-1600, DDR-3 2400, DDR-3 1866, DDR-3
X-bit Labs took five DDR3 kits from Kingston to compare in a handy roundup for those looking to see the difference higher frequencies have on a systems performance. They range from 1600MHz @ 9-9-9-27 to 2400MHz @ 11-13-13-30 and so offer not only a comparison on frequency but also timings. If you read all the way through you can see how these kits compare at base frequencies as well as when they are overclocked; which may have a somewhat noticeable effect on synthetic benchmarks, but not so much on the real world tests.
"Today we are going to talk about memory kits from one of the leading DDR3 SDRAM makers for enthusiasts. Our roundup includes such products as Kingston HyperX Genesis KHX1600C9D3K2/8G, Kingston HyperX Genesis KHX1866C9D3K2/8GX, Kingston HyperX T1 KHX1866C9D3T1K2/8GX, Kingston HyperX T1 KHX21C11T1K2/8X and Kingston HyperX T1 KHX24C11T1K2/8X."
Here are some more Memory articles from around the web:
- Kingston HyperX Predator 8GB 2666MHz DDR3 Memory Kit Review @ Legit Reviews
- Corsair Dominator Platinum 16GB 2666C10 DDR3 Memory Kit Review @ Madshrimps
- Patriot Viper 3 DDR3-1866 & Viper 3 Intel Extreme Masters DDR3-2133 @ Legion Hardware
- G.Skill Trident-X 2400 CL10 Dual Channel RAM Kit @ TechwareLabs
- G.Skill TridentX F32400C10D-8GTX 2400 MHz DDR3 @ techPowerUp
- Corsair Dominator Platinum 2133 MHz DDR3 @ Guru of 3D
- GEIL EVO VELOCE – Dual Channel 2133 MHz @ XSReviews
- Kingston HyperX Predator 2666mhz @ Kitguru
- Corsair Dominator Platinum 2666MHz 16GB DDR3 Memory Review @ HardwareHeaven
- Patriot Viper 3 8GB DDR3-2133 @ Neoseeker
- Crucial Ballistic Elite VS Tactical Review @ HardwareLOOK
- Patriot Viper 3 Intel Extreme Masters Memory 1866MHz 16GB Review @ OCC
- Patriot Intel Extreme Master 2x4Gb 2133MHz @ Funky Kit
- Kingston HyperX Blu 1600MHz 16GB (2x8GB) Memory Kit Review @ Legit Reviews
- G.Skill TridentX DDR3 2400MHz 8GB Memory Kit Review @ eTeknix
- Patriot Viper 3 Intel Extreme Masters Limited Edition 2133MHz 8GB @ Kitguru
Aaah memory. It has been some time since we last had a memory review, and for good reason. Memory got pretty boring. Ten years ago this was not the case. DDR was just fresh on the scene and we were starting to see memory speeds and bandwidths get to a place where it would have a significant effect on performance. Latencies were of utmost importance, and the fastest 18.104.22.168 DIMMs running at DDR 400 speeds were often quite expensive. Then things sort of mellowed out. DDR-2 did not exactly bring faster performance over DDR initially, and it was not until DDR-2 800 and 1066 speeds that we actually saw a significant boost over previous gen DDR 1. DDR-3 brought even more yawns. With the jump to integrated memory controllers from both AMD and Intel, DDR-3 speeds were nearly meaningless.
The primary reason for this rather vanilla time in the memory market was that of individual bandwidth needs for CPU cores. Most research into this issue points to an individual CPU core needing only 3 to 4 GB/sec of bandwidth to support its data needs. AMD and Intel have gone to great lengths to increase the efficiency of not only their memory controllers and prefetchers, but also the internal caches so fewer main memory accesses are needed. So essentially a quad core processor would really only need upwards of 12 to 13 GB/sec of bandwidth in real world scenarios. DDR-3 1333 memory modules in a dual channel configuration would be able to support that kind of bandwidth quite easily. So what exactly was the point of having faster memory? Also, CPUs using DDR-3 memory are not as sensitive to latencies as we have seen in previous generations of parts.
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