1066MHz FSB P4EE正式发布 性能全曝
当地时间10月31日，Intel正式发布了支持1066MHz FSB的Pentium 4 3.46 Extreme Edition处理器，频率为3.46GHz，稍后还将有3.73GHz发布。目前3.46EE的千颗批发价格为999美元，该处理器配备512KB二级缓存和2MB三级缓存。实物如下：
<
与P4 3.46EE同时发布的还有i925XE芯片组，这实际上就是支持1066MHz FSB的i925X修正版本。以下是i925XE样板Intel D925XECV的实物及规格说明：
规格说明：
| Intel D925XECV2 Motherboard Specifications | |
| CPU Interface | Socket T (Intel LGA-775) |
| Power Interface | 24-pin (775 & Server) ATX and 4-pin 12V |
| Chipset | Intel 925XE/Intel ICH6R |
| Bus Speeds | -2% to +10% in 1% increments |
| PCI Express Speeds | 100 to 109.24 in 1.32MHz increments |
| PCI Speeds | Default (33.33MHz), 36.35, 40.0 |
| Core Voltage | No CPU Voltage Adjustments |
| DRAM Voltage | Default, 1.8V to 2.1V in 0.1V increments |
| PCI Express Voltage | No PCIe Voltage Adjustments |
| DRAM Speeds | 266,333,400,533,667 |
| Memory Slots | Four 240-pin DDR2 Dual-Channel Slots Memory to 4GB Total |
| Expansion Slots | 1 x16 PCI Express Slot 2 x1 PCI Express Slots 4 PCI Slots |
| Onboard SATA | 4-Drive SATA by ICH6R |
| Onboard PATA | One Standard PATA IDE 100/66/33 (2-drives) |
| SATA/IDE RAID | 4-Drive Intel Matrix RAID With Native Command Queuing |
| Onboard USB 2.0/IEEE-1394 | 8 USB 2.0 ports supported by ICH6R 3 1394A FireWire ports by ICH6R |
| Onboard LAN | 1 Gigabit PCIe Ethernet by Marvel 88E8050-NNC |
| Onboard Audio | Realtek ALC8800 High-Definition Audio Codec |
搭配DDR2-533内存，新平台的总线频率上升了一个档次，那么是否会带来预期般的性能提升呢？还是用测试来说话吧，以下测试数据来自于Anandtech网站，测试平台说明：
AMD Athlon 64平台
处理器：Socket-939 Athlon 64
内存：2×512MB OCZ PC3200 EL Dual Channel DIMMs 2-2-2-10
主板：NVIDIA nForce4 Reference Motherboard
显卡：ATI Radeon X800 XT PCI Express
AMD Athlon XP平台
处理器：Athlon XP 3200+
内存：2×512MB OCZ PC3200 EL Dual Channel DIMMs 2-2-2-10
主板：ASUS A7N8X Deluxe nForce2 400
显卡：ATI Radeon X800 XT AGP
Intel Pentium 4平台
处理器：LGA-775 Intel Pentium 4 and Extreme Edition CPU
内存：2×512MB Crucial DDR-II 533 Dual Channel DIMMs 3-3-3-12
主板：Intel D925XECV2 Motherboard
显卡：ATI Radeon X800 XT PCI Express
<
<
<
<
<
<
测试结果显示，1066MHz FSB对于性能表现几乎没有任何提升，基本上和前辈P4 3.4GHz/800MHz FSB的表现一致。<
关注我们
