Geil DDR-400 vs. Samsung DDR-400

DDR-400 memory has been one of the most talked about memory standards since the introduction of DDR. While 400Mhz DDR memory still isn't a JEDEC endorsed standard, companies have already begun to release memory modules running at 400Mhz. Today Cameron "Sov" Johnson takes a look at two new DDR-400 memory modules from Geil and Samsung, who will win the battle for supremacy? Read on and find out!
| Jul 31, 2002 at 11:00 pm CDT
Manufacturer: none

Samsung vs Geil - Introduction

IntroductionDDR-400 memory has been one of the most talked about memory standards since the introduction of DDR. While 400Mhz DDR memory still isn't a JEDEC endorsed standard, companies have already begun to release memory modules running at 400Mhz.Recently we took a look at our first DDR-400 memory module, Kingmax's DDR-400 DDR SDRAM module - We now take a look at two other memory modules that have arrived in our labs and have tested them against a well known competitor, Corsair XMS3000. Yes we do know that Corsair XMS3000 isn't DDR-400 rated, although many people have had excellent luck and bandwidth results with this memory, which is why we have used it as a mediator. So come with us as we see who will take the crown.

Samsung vs Geil - Features of the two modules

The Modules
First off we see the two modules side by side. The Geil one looks much more pleasing with the heatspreader to reduce the heat generated by the chips. Samsung memory looks very bare with just the pain old chips showing, but in a very short few moments you will see why Geil uses these heatspreaders.Tagging
Here we see the two modules tagged with their respective labels and specification ratings. Geil uses a 2.5CL with a 3-3-6 2T system rating. Samsung gives a CL rating of 3 but a 2-2-5 1T system rating. While running at a much lower CAS latency, the extra power by the RAS to CAS delay and the Precharge delay should make up for this in theory, we will have to see how well it works in practice.The Chips
This is where things differ from the norm. We decided to rip the ram spreaders off the Geil memory (after doing the tests as to find out if it worked before we tried to destroy it). To our horror we found out that the Geil memory uses GL2000 7ns memory modules. That's right; these babies are only rated to 133Mhz (266DDR). These are WELL overclocked chips, no wonder it needs heatspreaders. After finding this out, I decided to test the memory without the heatspreaders - Oddly enough, the results were totally unstable.Samsung, however, have done things the right way. DDR-400 modules should have a rating of 5ns or less, the CL3 rated Samsung uses 4ns modules. These chips are the same as the ones that are being slapped onto 128MB GF4 TI4200 video cards, so we are well aware of how well these modules can go when cooled properly.Now that we have gotten that out of the way, let us do some testings and see what we get out of this lot.

Samsung vs Geil - Test Setup

Test SystemProcessor: Intel Pentium 4 2.0GHz (Northwood)Motherboard:Soyo 645DX Dragon Ultra (SiS 645DX) Video Card: Leadtek GF3 TI500Hard Disk: Seagate Barracuta ATA-3 UDMA 100 7200RPM Drivers:Nvidia DetXP rev 29.42Software Used: Sisoft Sandra 2002, 3Dmark2001 SERight, let's get onto the benchmarks!

Samsung vs Geil - Benchmarks - DDR-333

Benchmarks - DDR-333

Samsung vs Geil - Benchmarks - DDR-350

Benchmarks - DDR-350

Samsung vs Geil - Benchmarks - DDR-400

Benchmarks - DDR-400
You will notice that the Geil and Corsair memory got 0 results for our final benchmark. This is due to the memory requirements being well to high and causing instabilities in the modules. Only the Samsung managed to top out all our tests.

Samsung vs Geil - Conclusion

Conclusion - Samsung Wins DDR-400 BattleWith very few DDR-400 modules on the market at this time, Samsung have defiantly put together a super high quality module that isn't officially supported by the JEDEC. Compatibility wise, the Samsung DDR-400 module worked in every board we had, and ran DDR-400 in every board that supported the speed by default or by overclocking. Stability wise I couldn't fault it, and overclocking, well 450Mhz is the highest I have ever seen from system memory to date. Being able to outperform the current king of DDR memory, Corsair, Samsung has my total seal of approval.Geil on the other hand have basically slapped together a DDR-266 module and have tried the old, "cool it better, sell it for more" tactic. Geil DDR-400 is in my honest opinion a DDR-266 module overclocked to the limit, with a very low performance score and extremely unstable without their heatspreaders, you see that it's hard to choose this memory for hardcore overclocking.

Last updated: Apr 7, 2020 at 12:25 pm CDT

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