CPU Properties:
CPU Type Intel Pentium 4A, 2800 MHz (21 x 133)
CPU Alias Northwood, A80532
CPU Stepping D1
Instruction Set x86, MMX, SSE, SSE2
Original Clock 2800 MHz
Engineering Sample No
L1 Trace Cache 12K Instructions
L1 Data Cache 8 KB
L2 Cache 512 KB (On-Die, ATC, Full-Speed)
CPU Physical Info:
Package Type 478 Pin uPGA
Package Size 3.50 cm x 3.50 cm
Transistors 55 million
Process Technology 6M, 0.13 um, CMOS, Cu, Low-K
Die Size 131 mm2
Core Voltage 1.475 - 1.55 V
I/O Voltage 1.475 - 1.55 V
Typical Power 38.7 - 82 W (depending on clock speed)
Maximum Power 49 - 103 W (depending on clock speed)
CPU Manufacturer:
Company Name Intel Corporation
Product Information http://www.intel.com/products/browse/processor.htm
CPUID Properties:
CPUID Manufacturer GenuineIntel
CPUID CPU Name Intel(R) Pentium(R) 4 CPU 2.80GHz
CPUID Revision 0F29h
IA Brand ID 09h (Intel Pentium 4A)
Platform ID 0Fh (Socket 478)
IA CPU Serial Number Unknown
Instruction Set:
64-bit x86 Extension Not Supported
AMD 3DNow! Not Supported
AMD 3DNow! Professional Not Supported
AMD Enhanced 3DNow! Not Supported
AMD Extended MMX Not Supported
Cyrix Extended MMX Not Supported
IA-64 Not Supported
IA MMX Supported
IA SSE Supported
IA SSE 2 Supported
IA SSE 3 Not Supported
CLFLUSH Instruction Supported
CMPXCHG8B Instruction Supported
CMPXCHG16B Instruction Not Supported
Conditional Move Instruction Supported
FEMMS Instruction Not Supported
MONITOR / MWAIT Instruction Not Supported
CPUID Features:
36-bit Page Size Extension Supported
Advanced Cryptography Engine Not Supported
Alternate Instruction Set Not Supported
Automatic Clock Control Supported
CPL Qualified Debug Store Not Supported
Debug Trace Store Supported
Debugging Extension Supported
Enhanced SpeedStep Technology Not Supported
Fast Save & Restore Supported
Fast System Call Supported
Hyper-Threading Technology Not Supported
L1 Context ID Supported
Local APIC On Chip Supported
LongRun Not Supported
LongRun Table Interface Not Supported
Machine-Check Architecture Supported
Machine-Check Exception Supported
Memory Type Range Registers Supported
Model Specific Registers Supported
No-Execute Page Protection Not Supported
Page Attribute Table Supported
Page Global Extension Supported
Page Size Extension Supported
Pending Break Event Supported
Physical Address Extension Supported
Processor Duty Cycle Control Supported
Processor Serial Number Not Supported
Random Number Generator Not Supported
Self-Snoop Supported
Thermal Monitor Supported
Thermal Monitor 2 Not Supported
Time Stamp Counter Supported
Virtual Mode Extension Supported
Motherboard Properties:
Motherboard ID 04/30/2004-SiS661FX/SiS963L/W697-P4S800MX
Motherboard Name Asus P4S800-MX
Front Side Bus Properties:
Bus Type Intel NetBurst
Bus Width 64-bit
Real Clock 133 MHz (QDR)
Effective Clock 533 MHz
Bandwidth 4267 MB/s
Chipset Bus Properties:
Bus Type SiS MuTIOL
Bus Width 16-bit
Motherboard Physical Info:
CPU Sockets/Slots 1
Expansion Slots 3 PCI, 1 AGP
RAM Slots 2 DIMM
Integrated Devices Audio, Video, LAN
Form Factor Micro ATX
Motherboard Size 240 mm x 240 mm
Motherboard Chipset SiS661FX
Motherboard Manufacturer:
Company Name ASUSTeK Computer Inc.
Product Information http://www.asus.com/products/mb/mbindex.htm
BIOS Download http://www.asus.com/support/download/download.aspx
我在我的Dothan笔记本上做的测试.跑双命令行时,总计算能力提高了大约50%!
但测试只做了1次,而且还没完成,不敢就此下结论.
双SETI Spy图:
CPU-Z:
结合图做点解释:
这个笔记本在跑单命令行时,每秒浮点运算能力大约是510 Mega FLOPS/second,CpF(cycles per flop)大约是3.1
而现在合计运算能力居然有528+215=743 Mega FLOPS/second,增加了233 Mega FLOPS/second ! 等效Cpf也降到了2.15
另外,两个WU的AR值分别是0.786和0.435.有一个偏大,可能会影响测试准确性.