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Laptop Buying Guide Chapters

1. What to Consider Before Purchasing a Laptop

2. Recommended Laptop Features

3. Video Memory and Screen Resolution

4. Notebook CPU Speed Index Chart

5. Hints on Buying a Laptop

6. Best Selling Laptops and Notebooks

7. Notebook Reviews and Links

 

 

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Laptop Buying Guide - page 4

Mobile CPU Speed Ratings

Mobile CPUs (central processing unit) are rated fastest to slowest (compared at same clock speed when possible). CPUs are also categorized as current, non-current, or obsolete.

Speed Conversion 1000 MHz = 1 GHz

Intel's Latest Desktop and Laptop CPUs
Processor
Number
Process
Technology
Cache Clock
Speed
Front
Side
Bus
Form
Factor
Quad-core Dual-core        
QX9775 45 nm 12MB L2 3.2 GHz 1600 MHz Desktop X          
QX9770 45 nm 12MB L2 3.2 GHz 1600 MHz Desktop X          
QX9650 45 nm 12MB L2 3.00 GHz 1333 MHz Desktop X          
X9000 45 nm 6MB L2 2.80 GHz 800 MHz Mobile   X        
QX6850 65 nm 8MB L2 3.00 GHz 1333 MHz Desktop X          
QX6800 65 nm 8MB L2 2.93 GHz 1066 MHz Desktop X          
QX6700 65 nm 8MB L2 2.66 GHz 1066 MHz Desktop X          
X7900 65 nm 4MB L2 2.8
GHz
800 MHz Mobile   X        
X7800 65 nm 4MB L2 2.6
GHz
800 MHz Mobile   X        
X6800 65 nm 4MB L2 2.93 GHz 1066 MHz Desktop  

Intel® Core™ Duo processor
Processor
Number
Architecture Cache Clock
Speed
Front
Side
Bus
Power Dual-core      
T2700 65 nm 2 MB L2 2.33 GHz 667 MHz 31W X      
T2600 65 nm 2 MB L2 2.16 GHz 667 MHz 31W X      
T2500 65 nm 2 MB L2 2 GHz 667 MHz 31W X      
T2450 65 nm 2 MB L2 2 GHz 533 MHz 31W X      
T2400 65 nm 2 MB L2 1.83 GHz 667 MHz 31W X      
T2350 65 nm 2 MB L2 1.86 GHz 533 MHz 31W X      
T2300 65 nm 2 MB L2 1.66 GHz 667 MHz 31W X      
T2250 65 nm 2 MB L2 1.73 GHz 533 MHz 31W X      
T2050 65 nm 2 MB L2 1.6 GHz 533 MHz 31W X      
T2300E 65 nm 2 MB L2 1.66 GHz 667 MHz 31W X      
Intel® Core™ Duo processor Low Voltage
Processor
Number
Architecture Cache Clock
Speed
Front
Side
Bus
Power Dual-core      
L2500 65 nm 2MB L2 1.83 GHz 667 MHz 15W X      
L2400 65 nm 2MB L2 1.66 GHz 667 MHz 15W X      
L2300 65 nm 2MB L2 1.50 GHz 667 MHz 15W X      

Intel® Core™ Duo processor Ultra Low Voltage
Processor
Number
Architecture Cache Clock
Speed
Front
Side
Bus
Power Dual-core      
U2500 65 nm 2MB L2 1.20 GHz 533 MHz 9W X      
U2400 65 nm 2MB L2 1.06 GHz 533 MHz 9W X      

Current AMD Notebook CPUs  
Part Number Processor Model Speed (MHz)  
TMDTL66HAX5DC AMD Turion™ 64 X2 Dual-Core Mobile Technology TL-66 2300
TMDTL64HAX5DC AMD Turion™ 64 X2 Dual-Core Mobile Technology TL-64 2200
TMDTL58HAX5DC AMD Turion™ 64 X2 Dual-Core Mobile Technology TL-58 1900
TMDTL56HAX5DC AMD Turion™ 64 X2 Dual-Core Mobile Technology TL-56 1800
TMDTL64HAX5CT AMD Turion™ 64 X2 Dual-Core Mobile Technology TL-64 2200
TMDTL60HAX5CT AMD Turion™ 64 X2 Dual-Core Mobile Technology TL-60 2000
TMDTL56HAX5CT AMD Turion™ 64 X2 Dual-Core Mobile Technology TL-56 1800
SMD4000HAX4DN Mobile AMD Sempron™ 4000+ 2200
SMD3800HAX3CM Mobile AMD Sempron™ 3800+ 2200
SMD3800HAX3DN Mobile AMD Sempron™ 3800+ 2200
SMS3600HAX3CM Mobile AMD Sempron™ 3600+ 2000
SMS3600HAX3DN Mobile AMD Sempron™ 3600+ 2000
TMDTL60HAX5DC AMD Turion™ 64 X2 Dual-Core Mobile Technology TL-60 2000
AMDTK57HAX4DM AMD Athlon™ 64 X2 Dual-Core TK-57 1900
TMDTL68HAX5DM AMD Turion™ 64 X2 Dual-Core Mobile Technology TL-68 2400
TMDTL66HAX5DM AMD Turion™ 64 X2 Dual-Core Mobile Technology TL-66 2300
TMDTL62HAX5DM AMD Turion™ 64 X2 Dual-Core Mobile Technology TL-62 2100
TMZM80DAM23GG AMD Turion™ X2 Ultra Dual-Core ZM-80 2100
TMZM82DAM23GG AMD Turion™ X2 Ultra Dual-Core ZM-82 2200
TMZM86DAM23GG AMD Turion™ X2 Ultra Dual-Core ZM-86 2400
SMSI40SAM12GG AMD Sempron™ for Notebook PCs SI-40 2000
AMQL60DAM22GG AMD Athlon™ 64 X2 Dual-Core Pr QL-60 1900
TMRM70DAM22GG AMD Turion™ X2 Dual-Core Mobil RM-70 2000

Old CPUs - Not Usually Available in New Laptops
1. Intel Mobile Intel Pentium 4 processor supporting Hyper-Threading Technology at 2.66 GHz, 2.80 GHz, 3.06 GHz, 3.20 GHz.
2. AMD Athlon 64 at 2800+, 3000+, and 3200+
3. Intel Centrino Pentium M at 1.30 GHz, 1.40 GHz, 1.50 GHz, 1.60, and 1.70 GHz.
4. Athlon XP-M processors (with 512k L2 cache) at 2000+, 2200+, 2400+, 2500+, 2600+, and 2800+.
5. Intel Pentium 4 Processor-M at 1.4, 1.5, 1.6,1.7, 1.8, 1.9, 2.0, 2.2, 2.4, and 2.5 GHz
6. AMD Athlon XP-M "mainstream version" (256k L2 cache) at 2200+ and 2400+.
7. AMD Mobile Athlon XP1600+, 1700+, 1800+, 1900+, 2000+, and 2200+
8. Apple G4 PowerPC 800, 867, 933, 1000, 1250, and 1330 MHz (Motorola 7451 with L3 cache)
9. Apple G4 PowerPC 800, 867, (Motorola 7440)
10. Mobile Intel Celeron at 1.4, 1.5, 1.6, 1.7, 1.8, and 2 GHz (400 MHz bus)
11. VIA C3 at 1 GHz (Nehemiah Core)
12. Transmeta Crusoe TM5800 at 700, 733, 766, 800, 867, 933, and 1000 MHz

Older CPUs
1. Apple G3 PowerPC 800, and 900 MHz
2. AMD Mobile Athlon 4 1500+ and 1600+
3. Mobile Intel Pentium III Processor-M at 866, 933, 1000, 1060, 1130, and 1200 MHz (0.13-micron)
4. Intel Low Voltage Mobile Intel Pentium III processor-M at 700, 733, 750, 800A, 800, 850, 866, 1000, 1220, and 1330 MHz (0.13-micron)
5. VIA C3 at 733, 800, 866, and 933 MHz
6. Ultra Low Voltage Mobile Intel® Pentium® III 850, 866, 900, and 933 MHz
7. Low Voltage Mobile Intel Celeron processor at 866 MHz
8. Ultra Low Voltage Mobile Intel Celeron processor at 650 , 700, 733 MHz, and 800 MHz (0.13-micron)1. Apple G4 PowerPC 550 and 667 MHz (Motorola 7440)
9. AMD Mobile Athlon 4 at 950, 1000, 1100, and 1200 MHz
10. Mobile Intel Celeron at 1.06, 1.13, 1.20, and 1.33 GHz (0.13-micron, 133 MHz bus)
11. Mobile AMD Duron at 950, 1000, 1100, and 1200 MHz
12. Apple G4 Power PC 400 and 500 MHz (Motorola 7410)
13. Intel Pentium III SpeedStep 600, 650, 700, 750, 800, 850, 900, and 1000 MHz

Obsolete
1. AMD Athlon 4 at 850 and 900 MHz
2. Mobile Intel Celeron at 733, 800A, 866, 900, and 933 MHz (0.18 micron)
3. Transmeta Crusoe TM5500 at 600, 667 and 733MHz
4. Mobile AMD Duron 600, 700, 800, and 850 MHz
5. Intel Mobile Celeron 750 and 800 MHz (100 MHz bus )
6. Intel low power SpeedStep 600 MHz (for mini-notebooks)
7. Low Voltage Mobile Intel Pentium III 750
8. Ultra Low Voltage Mobile Intel® Pentium® III 600
9. Low Voltage Mobile Intel Celeron at 600 and 650 MHz
10. Intel Mobile Pentium III 400, 450, 500 MHz (with full speed L2 cache)
11. Intel Low-Power Pentium III 500 MHz (for mini-notebooks)
12. Intel Ultra Low Voltage Pentium III 500 MHz SpeedStep (for mini-notebooks)
13. Apple G3 PowerPC 400 or 500 MHz
14. Intel Mobile Pentium II 333, 366, and 400 MHz (with full speed L2 cache)
15. Intel Mobile Celeron 366, 400, 433, 466, 500, 550, 600, 650, and 700 MHz (with Quickstart)
16. Intel low power Celeron 500 MHz.
17. Intel Ultra Low Voltage Celeron 500 MHz (for mini-notebooks)
18. Transmeta Crusoe 333, 366, 400, 500-700 MHz (emulates x86 instruction set in software)
19. VIA Cyrix III 553 - 667 MHz
20. AMD K6-2 450, 475, 500, 533, and 550 MHz (with PowerNow!)1. AMD K6-2P 433, 450, and 475 MHz
21. Intel Mobile Pentium II 266 and 300 MHz.
22. Intel Mobile Celeron 266, 300, and 333 MHz.
23. AMD K6-2 P 350, 366, 380, and 400 MHz.
24. AMD K6-2 266, 300, and 333 MHz.
25. Intel Mobile Pentium 166-300 MHz.
26. AMD K6 233-300 MHz.
27. Cyrix Media GX 300 MHz.
28. AMD K6-3 450, 475, and 500 MHz with PowerNow ! (never shipped)
29. AMD Mobile K6-3P at 400, 433, and 450 MHz (never shipped)
30. AMD Mobile K6-3 P 350, 366, and 380 MHz (never shipped)

Hint: Try to buy a notebook with a processor at the fastest speed you can afford. Those considering notebooks in the non-current categories should only buy heavily discounted models.
Remember that notebook CPUs are generally not upgradeable, so buy a notebook that is fast enough to meet your current and future processing requirements.

 

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