Tight Timings vs High Clock Frequencies
Features
By
Jon Kullberg
Published
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Test Setup
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| Processor | |
|---|---|
| Socket 939 | AMD Opteron 165Denmark core (1800 MHz, 2 x 1 MB L2 Cache) |
| Motherboard | |
| Socket 939 | DFI LANParty UT SLI-DR ExpertRev. A3 BIOS: 12/07/2005Chipset: Nvidia nForce4 |
| Memory | |
| DDR | G.Skill F1-4400DSU2-1 GBFC2x 512 MB DDR550 (275 MHz, CL 2.5-4-4-8 1T) |
| Common Hardware | |
| Graphics Card (PCIe) | Point of View 7800GTGPU: Nvidia GeForce 7800GT (480 MHz)Memory: 256 MB GDDR3 (1180 MHz) |
| Hard Drive I | SATA Western Digital WD74074 GB, 8 MB Cache, 7200 RPM |
| Hard Drive II | SATA Maxtor Diamondmax 10300 GB, 16 MB Cache, 7200 RPM |
| Software | |
| Nvidia nForce 4 SLI | Forceware 6.70 |
| Nvidia Graphics | Detonator 81.98 |
| DirectX | Version: 9.0c (4.09.0000.0904) |
| OS | Windows XP, SP2 |
Benchmarks And Settings
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| Benchmarks and Settings | |
|---|---|
| DirectX 9 | |
| 3DMark01 SE | Build 330Resolution: 640x480, 32 Bit (to eliminate any graphics bottleneck)Default Benchmark Run |
| Synthetic | |
| SiSoftware Sandra 2005 | Version 2005.10.10.69 SR3Memory Bandwidth Benchmark |
| Everest Ultimate Edition 2006 | Version 2.50.480Memory Latency Benchmark |
| Applications | |
| SuperPI | Version: 1.18M |
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4 Comments
Comment from the forums
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jona1 Excellent article. I was looking for a good explanation of memory timings. Thank you (I am from Uruguay, sorry for my bad English :) )Reply -
Good Article I guess. I've been wondering that exact question now that i got 2x1GB of Patriots PC2-8500 Viper Series from NVISION08. The timings are 5-5-5-15 2T at 1066MHz. When i try to lower it 1T it's not reliable. Anyways, thanks tomshardware for another good article, I hope there is a sequel to this, specifically DDR2 or 3 memory.Reply
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spellbinder2050 ReplyAs most of you are probably aware, the MHz clock speed of the Athlon 64 and Opteron is the product of the HyperTransport speed (HTT) times the multiplier of the CPU.
Correct me if I'm wrong, but shouldn't this be written as, "the MHz clock speed of the Athlon 64 and Opteron is the product of the HyperTransport speed (HTT) and the multiplier of the CPU."