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Intel Core 2 Quad Q9450 Processors Review

Written by Administrator, on 15-04-2008 07:22

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The 45nm chips have been out for some time now. The dual core E8400 and E8500 are proven performers, many reaching insane speeds. The problem has been that the only 45nm Yorkfield processors out have been the "Extreme" line-up, specifically the QX9650 and now QX9770 models. While the performance of the Extreme line-up has been well documented but the consumer looking for a non "Extreme" quad core CPU has been left out in the cold...until now. The regular quad core 45nm parts, Q9300, Q9450, and Q9550 are in e-tailors' hands for shipment (If you can find them in stock), so it was high time that a performance testing was in order. With all of the latest games becoming more and more CPU intensive, multiple core CPUs will start to become more advantageous during gameplay, not to mention the benefits during video encoding and workstation productivity.

Specifications:

Spec Number:	SLAWR
CPU Speed:	2.66 GHz
PCG:	05A
Bus Speed:	1333 MHz
Bus/Core Ratio:	8
L2 Cache Size:	12 MB
L2 Cache Speed:	2.66 GHz
Package Type:	LGA775
Manufacturing Technology:	45 nm
Core Stepping:	C1
CPUID String:	10677h
Thermal Design Power:	95W
Thermal Specification:	71.4°C
VID Voltage Range:	0.85V – 1.3625V

Features:

Quad-Core Processing: Provides four independent execution cores in a single processor package. Four dedicated processing threadshelp operating systems and applications deliver additional performance, so end users can experience better
multitasking and multi-threaded performance across many types of applications and workloads.
Chipset Support: Intel® Express Chipsets offer an array of exciting capabilities including dual graphics and deliver an impressivelevel of performance for demanding users. Other third-party chipsets may support Intel Core 2 Extreme quad-core processors; contact your board manufacturer for compatibility.
Intel® Wide Dynamic Execution: Improves execution speed and efficiency, delivering more instructions per clock cycle. Each core can complete up to four full instructions simultaneously
Intel® Smart Memory Access: Optimizes the use of the data bandwidth from the memory subsystem to accelerate out-of-order execution.A prediction mechanism reduces the time in-flight instructions have to wait for data. Pre-fetch algorithms
move data from system memory into fast L2 cache in advance of execution. These functions keep the pipeline full, improving instruction throughput and performance. 45nm versions further improve this feature,with more efficient methods of loading and storing data in main memory.
Intel® Advanced Smart Cache: Dynamically allocates the shared L2 cache to each processor core based on workload. This efficient, dual-core-optimized implementation increases the probability that each core can access data from fast L2 cache, significantly reducing latency to frequently used data and improving performance.
Intel® Advanced DigitalMedia Boost: Accelerates the execution of Streaming SIMD Extension (SSE) instructions to significantly improve the performance on a broad range of multimedia and compute intensive applications. The 128-bit SSE instructions
are now issued at a throughput rate of one per clock cycle, effectively doubling their speed of execution on a per-clock basis over previous generation processors. 45nm versions include a new Super Shuffle Engine,which improves existing SSE instructions while enabling significant gains on the latest SSE4 instruction set. SSE4-optimized applications, such as video editing and encoding in high-definition resolution, will see additional performance improvements.
Intel® Virtualization Technology (Intel® VT): Allows one hardware platform to function as multiple “virtual” platforms. Intel VT improves manageability, limits downtime, and maintains worker productivity by isolating computing activities into separate partitions
Intel® 64 Architecture: Allows the processor to access larger amounts of memory. With appropriate 64-bit hardware and software, platforms based on an Intel processor supporting Intel 64 architecture can allow the use of extended virtual
and physical memory.
Execute Disable Bit: Provides enhanced virus protection when deployed with a supported operating system and prevents the code from infecting the system. Memory can be marked as executable or non-executable, allowing the processor
to raise an error to the operating system if malicious code attempts to run in non-executable memory.
Better Acoustics:Intel Core 2 Extreme Quad-Core processors are equipped with a Digital Thermal Sensor (DTS) to enable more efficientprocessor and platform thermal control. Thermal sensors located within the processor measure the maximum temperature on the die at any given time. The acoustic benefit of temperature monitoring is that system fans spin only as fast as needed to cool the system and slower spinning fans generate less noise. This Intel-designed thermal solution for boxed processors utilizes a 4-pin header with variable fan speed control, based on processor temperature and power usage to minimize acoustic noise levels. The latest 45nm boxed Intel Core 2 processor includes a new, more advanced thermal solution with improved acoustic and thermal performance

The Q9450 is a socket 775 processor sporting a 1333MHz bus speed. As an enthusiast, one of the things that is of interest to me is the headroom over the stock speeds. Many times production codes are looked at and compared to find the best production run. With a new series of processors, that bank of information is not yet available to compare the performance differences between the "steppings." With that in mind, there is always the luck of the draw and the hope that the chip is a good one.

See more on the reviews at overclockersclub

Keywords : Intel Processor Reviews, Intel Core 2 Quad, Intel Q9450 Review

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