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Intel® Processor Numbers
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Intel® Celeron® M processor Intel® Celeron® M processor
 
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Processor
Number		 Architecture Cache Clock
Speed		 Front
Side
Bus		 Intel®
64Φ		 Execute
Disable
Bit°
530 65 nm 1 MB L2 1.73 GHz 533 MHz
520 65 nm 1 MB L2 1.60 GHz 533 MHz
450 65 nm 1 MB L2 2 GHz 533 MHz  
440 65 nm 1 MB L2 1.86 GHz 533 MHz  
430 65 nm 1 MB L2 1.73 GHz 533 MHz  
420 65 nm 1 MB L2 1.60 GHz 533 MHz  
410 65 nm 1 MB L2 1.46 GHz 533 MHz  
390 90 nm 1 MB L2 1.70 GHz 400 MHz  
380 90 nm 1 MB L2 1.60 GHz 400 MHz  
370 90 nm 1 MB L2 1.50 GHz 400 MHz  
360J° 90 nm 1 MB L2 1.40 GHz 400 MHz  
360 90 nm 1 MB L2 1.40 GHz 400 MHz    
350J° 90 nm 1 MB L2 1.30 GHz 400 MHz  
350 90 nm 1 MB L2 1.30 GHz 400 MHz    
340 130 nm 512 KB L2 1.50 GHz 400 MHz    
330 130 nm 512 KB L2 1.40 GHz 400 MHz    
320 130 nm 512 KB L2 1.30 GHz 400 MHz    
310 130 nm 512 KB L2 1.20 GHz 400 MHz    
Intel® Celeron® M processor Intel® Celeron® M processor Ultra Low Voltage

Processor
Number		 Architecture Cache Clock
Speed		 Front
Side
Bus		 Intel®
64Φ		 Execute
Disable
Bit°
523 65 nm 1 MB L2 933 MHz 533 MHz
443 65 nm 1 MB L2 1.20 GHz 533 MHz  
423 65 nm 1 MB L2 1.06 GHz 533 MHz  
383 90 nm 1 MB L2 1 GHz 400 MHz  
373 90 nm 512 KB L2 1 GHz 400 MHz  
353 90 nm 512 KB L2 900 MHz 400 MHz    
333 130 nm 512 KB L2 900 MHz 400 MHz    

Φ 64-bit computing on Intel® architecture requires a computer system with a processor, chipset, BIOS, operating system, device drivers and applications enabled for Intel® 64 architecture. Processors will not operate (including 32-bit operation) without an Intel 64 architecture-enabled BIOS. Performance will vary depending on your hardware and software configurations. Consult with your system vendor for more information.

° Enabling Execute Disable Bit functionality requires a PC with a processor with Execute Disable Bit capability and a supporting operating system. Check with your PC manufacturer on whether your system delivers Execute Disable Bit functionality.