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VIA Nano CPU - Codename Isaiah E-mail
Reviews - Featured Reviews: Processors
Written by Olin Coles   
Thursday, 29 May 2008
Table of Contents: Page Index
VIA Nano CPU - Codename Isaiah
Features and Specifications
Closer Look: VIA Nano
Codename Isaiah Detailed Features
Testing and Results

VIA Nano CPU Features & Specifications

Initially to be launched in two skus, the VIA Nano L-series processors for mainstream desktop and mobile PC systems and the ultra low voltage U-series for small form factor desktop and ultra mobile devices such as mini-notes: The VIA Nano processor family boasts the highly efficient VIA V4 bus interface and brings a host of technology firsts to VIA's processor platform line-up, including:

-- 64-bit Superscalar Speculative Out-Of-Order MicroArchitecture: Supports a full 64-bit instruction set and provides for macro-fusion and micro-fusion functionality, and sophisticated branch prediction for greater processor efficiency and performance.


-- High-Performance Computation and Media Processing: The high-speed, low power VIA V4 Front Side Bus starting at 800MHz, plus a high floating point unit, support for new SSE instructions, and two 64KB L1 caches and 1MB exclusive L2 cache with 16-way associativity gives a big boost to multimedia performance.

-- Advanced Power and Thermal Management: Aggressive management of active power includes support for the new "C6" power state, Adaptive PowerSaverTechnology, new circuit techniques and mechanisms for managing the die temperature, reducing power draw and improving thermal management.

-- Scalable Upgrade to VIA C7Processor: Pin-to-pin compatibility with current VIA C7 processors enables a smooth transition for OEMs and mainboard vendors, enabling them to offer a wider range of products for different markets with a single board or system design.

-- Greener Technology: In addition to full compliance with RoHS and WEEE regulations, product manufacturing will be halogen-free and lead-free at launch, helping to promote a cleaner environment and more sustainable computing.

-- Enhanced VIA PadLockSecurity Engine: Industry-leading on-die hardware cryptographic acceleration and security features, including dual quantum random number generators, an AES Encryption Engine, NX-bit, and SHA-1 and SHA-256 hashing.

Product & Model Name

Clock Speed

VIA V4 Bus

Maximum Power (TDP Max)

VIA Nano L2100 processor




VIA Nano L2200 processor




VIA Nano U2400 processor




VIA Nano U2500 processor




VIA Nano U2300 processor




For more detailed information about the VIA Nano processor family, please read the introductory white paper here:


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