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Home > Hardware Reviews > PC Parts

Tuesday, February 07, 2006
Intel Celeron D 341, 346

1. Introduction

Intel is one the major CPU manufacturers worldwide. Today, Intel supplies the computing and communications industries with chips, boards, systems and software building blocks that are the "ingredients" of computer systems, servers, networking and communications products.

We recently received from Intel, two Celeron processors from the D series, the 341 and 346 models, running at 2.93 GHz and 3.06 GHz respectively. The Celeron D series, according to the manufacturer, delivers a balanced level of proven technology and exceptional value for desktop PCs. It concerns an affordable solution of processors coupled with decent performance.

Specifications for our two Celeron D processors can be found in the table below:

Processor Intel Celeron D Processor
Processor Number 341 346
Architecture 90 nm process technology
L2 Cache 256KB
Clock Speed 2.93 GHz 3.06 GHz
Front Side Bus 533 MHz
Socket 775
Intel Extended Memory 64 Technology Yes
Execute Disable Bit Yes
Features - Data Flow Analysis
- Speculative Execution
- Non-Blocking Level 1 Cache
- Streaming SIMD Extensions 3
- Dual Independent Bus (DIB)

The size and spacing of the processors's transistors (silicon etchings), which partially determine the switching speed. The diameter of transistors is measured in microns. One micron is one-millionth of a meter. The 90 nm (a nanometer is one-billionth of a meter) process combines higher-performance, lower-power transistors, strained silicon, high-speed copper interconnects and a new low-k dielectric material.

Clock Speed
The speed at which the processor executes instructions. Every processor contains an internal clock that regulates the rate at which instructions are executed. It is expressed in Megahertz (MHz), which is 1 million cycles per second or Gigahertz (GHz), which is 1 billion cycles per second.

Front Side Bus
The speed of the bus that connects the processor to main memory (RAM). As processors have become faster and faster, the system bus has become one of the chief bottlenecks in modern PCs. Typical bus speeds are 400 MHz, 533 MHz, 667 MHz, and 800 MHz.

L2 Cache
The size of 2nd level cache. L2 Cache is ultra-fast memory that buffers information being transferred between the processor and the slower RAM in an attempt to speed these types of transfers.

Intel Extended Memory 64 Technology (Intel EM64T) is an enhancement to Intel's IA-32 architecture. The enhancement allows the processor to run newly written 64-bit code and access larger amounts of memory.

Execute Disable Bit
Can improve protection against malicious "buffer overflow" attacks when properly enabled with a supporting operating system.

As you may have noticed, Intel manufactures its processors in many different asian countries. Our samples were from China and Malaysia.

The retail box includes the CPU, cooling system, warranty and installation manual.

The stock cooling system :

The base is made of aluminium. Other Intel processors we have reviewed have had a copper base.

Removing the fan to reveal the heatsink, shows that the base the fan sits on, is solid aluminum.

In this review, we will compare the two Celeron D processors and put them up against the P4 530 and AMD Athlon 64 3000+.

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