Core 2 Duo vs Core Duo - Difference and Comparison

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To choose between Core 2 Duo and Core Duo, rate them on the comparison parameters by entering scores (+ve or -ve) in the comparison tool. The total points are automatically shown in the top row. This should help you decide.

Core 2 Duo

Core Duo

Currently 3.70/5
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Rating: 3.7/5 (10 votes)

Currently 3.75/5
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Rating: 3.8/5 (8 votes)

Level 2 (L2) cache:

up to 4 MB

2 MB

Processor:

64-bit

32-bit

Code name:

Merom

Yonah

1 Summary
2 Features
3 Performance
4 Power Consumption / Battery Life

[edit] Summary

The Core 2 Duo chip (code named Merom) has many of the same features as its Core Duo predecessor (code named Yonah): a 667-MHz frontside bus, the 945 chip set, the 3945ABG wireless chip set, and similar clock speeds. The two biggest improvements are the doubling of Level 2 cache to 4MB in the T7000 line, and support for 64-bit processing. The latter brings Intel back on par with AMD's Turion 64 X2 chip and means users can take advantage of 64-bit applications, including the 64-bit version of Windows Vista. Core Duo cannot do 64-bit computing.

[edit] Features

Compared to Intel Core Duo, Intel Core 2 Duo has larger L2 cache, slightly deeper pipeline and added decode and execution units. In addition, Core 2 Duo features more aggressive pre-fetch mechanisms than Core Duo, as well as Intel’s Memory Disambiguation technology that allows for out-of-order loads. In other words, not only is Core 2 Duo able to process more data at once, at a faster speed, but it can also get access to that data quicker.

[edit] Performance

Several reviewers and magazine editorial teams have performed benchmark tests to measure the performance of Core Duo and Core 2 Duo processors. Core 2 Duo processors are supposed to have about 20% higher clock speeds.

In general, Core 2 Duo gives better performance for highly CPU-intensive tasks such as 3D graphics and CPU-intensive games. However, for most ordinary applications such as word processing and web browsing, there is negligible difference in the performance of Core Duo and Core 2 Duo.

[edit] Power Consumption / Battery Life

Power consumption is pretty much identical for both Core Duo and Core 2 Duo. This means that the Core 2 Duo gives slightly better CPU performance without sacrificing battery life.

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