Hardware Secrets
Home | Camera | Case | CE | Cooling | CPU | Input | Memory | Mobile | Motherboard | Networking | Power | Storage | Video | Other
Content
Articles
Editorial
First Look
Gabriel’s Blog
News
Reviews
Tutorials
Main Menu
About Us
Awarded Products
Datasheets
Dictionary
Download
Drivers
Facebook
Links
Manufacturer Finder
Newsletter
RSS Feed
Test Your Skills
Twitter
Newsletter
Subscribe today!
Recommended
The Winn L. Rosch Hardware Bible, 6th Edition
The Winn L. Rosch Hardware Bible, 6th Edition, by Winn L Rosch (Que Publishing), starting at $9.98


Home » CPU
Sempron vs. Athlon XP
Author: Gabriel Torres and Daniel Barros 468,665 views
Type: Tutorials Last Updated: April 25, 2005
Page: 1 of 1

Since the day Sempron CPU from AMD was released one of the most frequently asked question is "afterall, what is the difference between Sempron and Athlon XP?"

Sempron is a slower Athlon XP (the exception goes to the Sempron socket 754 versions, which are an Athlon 64 with less L2 memory cache; these models use socket 754 pinout, thus requiring motherboards originally developed to Athlon 64, having a greater performance then socket 462 models). Originally Sempron socket 754 didn't have the 64-bit extensions available on Athlon 64, but since July, 2005, AMD introduced the 64-bit instructions on these processors. So, the socket 754 Semprons listed below can be found with or without the 64-bit extensions.  The models with 64-bit extensions enabled have the letters "BX" as the two last letters printed on the CPU package.

The difference in performance between Sempron and Athlon XP occurs due to the numbering system used to designate the processor's speed, which is differente for each processor. A Sempron 3000+ isn't faster than an Athlon XP 2800+, even though it has a greater number. The processor numbers can only be used to compare CPUs in the same product line, i.e., you can only compare Sempron to Sempron and Athlon XP to Athlon XP.

To fully understand this issue, take a look at the tables below. As you can see, a Sempron 2800+ is slower than an Athlon XP 2600+ 333 and a Sempron 2600+ is slower than an Athlon XP 2500+. To make the comparison, you have to watch the internal clock, the external clock and the L2 memory cache size.

This naming scheme used by AMD is really confusing. As you can see there are three Athlon XP 2600+ models with completely different technical specs, even though they use the same name.

Processor Internal Clock External Clock L2 Memory Cache Socket
Sempron 2200+ 1.50 GHz 333 MHz 256 KB 462
Sempron 2300+ 1.58 GHz 333 MHz 256 KB 462
Sempron 2400+ 1.67 GHz 333 MHz 256 KB 462
Sempron 2500+ 1.70 GHz 333 MHz 256 KB 462
Sempron 2600+ 183 GHz 333 MHz 256 KB 462
Sempron 2800+ 2 GHz 333 MHz 256 KB 462
Sempron 3000+ 2 GHz 333 MHz 512 KB 462

Processor Internal Clock HyperTransport L2 Memory Cache Socket
Sempron 2500+ 1.40 GHz 800 MHz 128 KB 754
Sempron 2600+ 1.60 GHz 800 MHz 128 KB 754
Sempron 2800+ 1.60 GHz 800 MHz 256 KB 754
Sempron 3000+ 1.80GHz 800 MHz 128 KB 754
Sempron 3100+ 1.80 GHz 800 MHz 256 KB 754
Sempron 3300+ 2 GHz 800 MHz 256 KB 754
Sempron 3400+ 2 GHz 800 MHz 256 KB 754
 
To learn more about the HyperTransport bus, read our article about it.

Processor Internal Clock External Clock L2 Memory Cache Core
Athlon XP 1500+ 1.33 GHz 266 MHz 256 KB Palomino
Athlon XP 1600+ 1.40 GHz 266 MHz 256 KB Palomino or T-Bred
Athlon XP 1700+ 1.46 GHz 266 MHz 256 KB Palomino or T-Bred
Athlon XP 1800+ 1.53 GHz 266 MHz 256 KB Palomino or T-Bred
Athlon XP 1900+ 1.60 GHz 266 MHz 256 KB Palomino or T-Bred
Athlon XP 2000+ 1.66 GHz 266 MHz 256 KB Palomino or T-Bred
Athlon XP 2100+ 1.73 GHz 266 MHz 256 KB Palomino or T-Bred
Athlon XP 2200+ 1.80 GHz 266 MHz 256 KB T-Bred
Athlon XP 2400+ 2 GHz 266 MHz 256 KB T-Bred
Athlon XP 2500+ 1.83 GHz 333 MHz 512 KB Barton
Athlon XP 2600+ 2.13 GHz 266 MHz 256 KB T-Bred
Athlon XP 2600+ 333 2.08 GHz 333 MHz 256 KB T-Bred
Athlon XP 2600+ 1.90 GHz 333 MHz 512 KB Barton
Athlon XP 2700+ 2.16 GHz 333 MHz 256 KB T-Bred
Athlon XP 2800+ 2.25 GHz 333 MHz 256 KB T-Bred
Athlon XP 2800+ 2.08 GHz 333 MHz 512 KB Barton
Athlon XP 3000+ 2.16 GHz 333 MHz 512 KB Barton
Athlon XP 3000+ 400 2.10 GHz 400 MHz 512 KB Barton
Athlon XP 3200+ 2.20 GHz 400 MHz 512 KB Barton
Print Version | Send to Friend | Bookmark Article  

Related Content
  • Counterfeit Athlon XP Processors
  • Athlon XP Overclocking Tape
  • On-Board Processors
  • Athlon 64 Overclocking
  • How to Upgrade Your CPU

  • RSSLatest Content
    ASRock Z97 Anniversary Motherboard
    December 16, 2014 - 4:27 AM
    Gigabyte H81M-S2PH Motherboard
    December 12, 2014 - 3:05 AM
    Aerocool Dead Silence Case Review
    December 2, 2014 - 3:00 AM
    NZXT S340 Case Review
    November 27, 2014 - 3:45 AM
    AMD A4-5000 CPU Review
    November 26, 2014 - 3:10 AM
    Samsung Galaxy Note Pro 12.2 Tablet Review
    November 25, 2014 - 3:00 AM
    ASUS X99-PRO Motherboard
    November 5, 2014 - 3:00 AM
    ASRock QC5000-ITX Motherboard
    November 4, 2014 - 3:00 AM
    Gigabyte X99-UD3 Motherboard
    October 30, 2014 - 8:30 AM







    2004-14, Hardware Secrets, LLC. All rights reserved.
    Advertising | Legal Information | Privacy Policy
    All times are Pacific Standard Time (PST, GMT -08:00)