HP Compaq 421

Specifications

HP Compaq 421Notebook: HP Compaq 421
Processor: Intel Core 2 Duo T6670
Graphics Adapter: ATI Mobility Radeon HD 530v
Display: 15.6 inch, 16:9, 1366x768 pixels, glossy: yes
Weight: 2.6kg
Price: 500 euro
Links: 

Reviews for the HP Compaq 421

Foreign Reviews

支持快充高性价比!惠普HP421笔记本评测
Source: PC Online.com.cn zh-CN→EN
Single Review, online available, Medium, Date: 01/27/2011

Comment

ATI Mobility Radeon HD 530v: Renamed HD 4350 graphics card and therefore an entry level GPU with DirectX 10.1 support.

Only some 3D games with very low demands are playable with these cards.

» Further information can be found in our Comparison of Mobile Graphics Cards and the corresponding Benchmark List.


Intel Core 2 Duo: This is the Core Duo and Core Solo successor with a longer pipeline and 5-20% more speed without more power consumption. As an addition to the Core Duo design there exists a fourth decoder, an amplified SSE-unit and an additional arithmetical logical unit (ALU).

The Core 2 Duo for laptops is identical to the desktop Core 2 Duo processors but the notebook-processors work with lower voltages (0.95 to 1188 Volt) and a lower Frontside bus clock (1066 vs 667 MHz). The performance of equally clocked notebooks is 20-25% lower than Desktop PCs because of the lower Frontside bus clock and the slower hard disks.


T6670: Entry level Core 2 Duo based on the Penryn core. Similar to the C2D T6600 but with VT-x Virtualization and higher temperature specification.» Further information can be found in our Comparison of Mobile Processsors.


15.6": 15 inch display-variants are the standard and are used for more than the half of all notebooks. 15.4 inch display with 16:10 are the standard for notebook displays. However nowadays, more and more 16:9 displays with 15.6 inch appear. The reason why so many people like displays with medium size is, that this size is not exhausting for the eyes, does not need too much energy and the laptops can be kept quite compact.» To find out how fine a display is, see our DPI List.


2.6 kg: This notebook is lighter than the average of all notebooks. It is too heavy for sub-notebooks. 14 inch displays are normal for this class of weight.


HP: The Hewlett-Packard Company, founded 1935, commonly referred to as HP, is a technology corporation headquartered in California, United States. HP specializes in developing and manufacturing computing, storage, and networking hardware, software and services. Major product lines include personal computing devices, enterprise servers, related storage devices, as well as a diverse range of printers and other imaging products. Other product lines, including electronic test equipment and systems, medical electronic equipment, solid state components and instrumentation for chemical analysis. HP posted US $91.7 billion in annual revenue in 2006, making it the world's largest technology vendor in terms of sales. In 2007 the revenue was $104 billion, making HP the first IT company in history to report revenues exceeding $100 billion. Market share regarding sales of personal computers in 2007 (market research IDC): HP 18.9 %, Dell 16.4 %, Acer 9.9 %, Lenovo 7.5 %, Apple 5.7 %

HP reviews


» Further information can be found in our Notebook Purchase Guide.

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» HP ProBook 4525s-WT231EA
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unknown, unknown
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Current Prices

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The displayed prices can be up to one day old.

> Notebook / Laptop Reviews and News > Library > HP > HP Compaq 421
Author: Stefan Hinum, 2011-02-26 (Update: 2012-05-26)