Test notes
You'll want to note several things about our test system configurations below. First, we've included mostly chipsets with dual-channel memory designs, with the exception of the Intel 845PE. If you want to see how the various single-channel chipsets compare, please see this review, where we test seven different P4 chipsets against each other. The 845PE won that comparison outright, which earned it the chance to be our single-channel P4 chipset representative today.
Next, the processor speeds we've tested are slightly different. The 875P is the only platform to use the Pentium 4 3.0GHz CPU with 800MHz bus support. We tested the rest of the P4 chipsets with a P4 3.06GHz processor, which gives the other guys a 66MHz processor clock speed advantage over the 875P.
Don't worry. They're gonna need it.
The 875P was the only board we tested with Kingmax memory, which is the memory that came with the board. Our attempts to use some Corsair paired, low-latency DDR400 DIMMs didn't work out well. That seems a little odd, because those paired Corsair DIMMs have been very impressive in other motherboards, especially nForce2 boards, even at high clock speeds and aggressive timings. The Intel 875P board was definitely happier with the Kingmax RAM that Intel bundled with it. I expect these things will be worked out by RAM and mobo makers over time, but I thought it was worth noting.
Also, since the 875P is the only chipset so far with native Serial ATA support, we tested the 875P with a Serial ATA drive, Seagate's Barracuda V. We tested the other chipsets with the ATA/100 version of the same drive.
Another thing: we tested the 875P's RAID 0 capabilities with Business and Content Creation Winstone. When we did so, we used a pair of SATA Seagate Barracuda V drives with a 128K stripe size, which is the stripe size Intel recommends.
Finally, the Gigabyte motherboard we selected as our SiS 655 representative turned out to be a bit frustrating, because its BIOS didn't offer manual memory tuning options. We might have seen a little bit better performance out of the SiS 655 had we been able to tune the memory timings.
Our testing methods
As ever, we did our best to deliver clean benchmark numbers. Tests were run at least twice, and the results were averaged.
Our test systems were configured like so:
| Athlon XP | Intel 845PE | Intel 850E | Intel E7205 | Intel 875P | SiS 655 | |
| Processor | Athlon XP 3000+ 2.167GHz | Pentium 4 3.06GHz | Pentium 4 3.06GHz | Pentium 4 3.06GHz | Pentium 4 3.0GHz | Pentium 4 3.06GHz |
| Front-side bus | 333MHz (166MHz DDR) | 533MHz (133MHz quad-pumped) | 533MHz (133MHz quad-pumped) | 533MHz (133MHz quad-pumped) | 800MHz (200MHz quad-pumped) | 533MHz (133MHz quad-pumped) |
| Motherboard | Abit NF7-S | Abit BH7 | Intel D850EMV2 | Aopen AX4R Plus | Intel D875PBZ | Gigabyte 8SQ800 |
| North bridge | nForce2 SPP | 82845E MCH | 82850E MCH | 82845G MCH | 82875P MCH | 648 |
| South bridge | nForce2 MCP-T | 82801DB ICH4 | 82801BA ICH2 | 82801DB ICH4 | 82801DB ICH4 | 963 |
| Chipset drivers | 2.03 | Intel Application Accelerator 2.3 | Intel Application Accelerator 2.3 | Intel Application Accelerator 2.3 | Intel Application Accelerator for RAID 3.0 | SiS AGP 1.15 |
| Memory size | 512MB (2 DIMMs) | 512MB (2 DIMMs) | 512MB (4 RIMMs) | 512MB (2 DIMMs) | 512MB (2 DIMMs) | 512MB (2 DIMMs) |
| Memory type | Corsair XMS3200 DDR SDRAM at 333MHz | Corsair XMS3200 DDR SDRAM at 333MHz | Samsung PC800/PC1066 Rambus DRAM | Corsair XMS3200 DDR SDRAM at 266MHz | Kingmax DDR-400 SDRAM at 400MHz | Corsair XMS3200 DDR SDRAM at 333MHz |
| Hard drive | Seagate Barracuda V 120GB ATA/100 | Seagate Barracuda V 120GB ATA/100 | Seagate Barracuda V 120GB ATA/100 | Seagate Barracuda V 120GB ATA/100 | Seagate Barracuda V 120GB SATA 150 | Seagate Barracuda V 120GB ATA/100 |
| Graphics | ATI Radeon 9700 Pro 128MB (7.84 drivers) | |||||
| Sound | Creative SoundBlaster Live! | |||||
| OS | Microsoft Windows XP Professional | |||||
| OS updates | Service Pack 1, DirectX 9 | |||||
All tests on the P4 systems were run with Hyper-Threading enabled.
Thanks to Corsair for providing us with memory for our testing. If you're looking to tweak out your system to the max and maybe overclock it a little, Corsair's RAM is definitely worth considering.
The test systems' Windows desktops were set at 1024x768 in 32-bit color at an 85Hz screen refresh rate. Vertical refresh sync (vsync) was disabled for all tests.
We used the following versions of our test applications:
All the tests and methods we employed are publicly available and reproducible. If you have questions about our methods, hit our forums to talk with us about them.
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