Pentium Extreme Edition 955 vs Core 2 Quad Q8300

Primary details

Comparing Core 2 Quad Q8300 and Pentium Extreme Edition 955 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2337	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Desktop processor
Power efficiency	1.19	no data
Architecture codename	Yorkfield (2007−2009)	Presler (2005−2007)
Release date	November 2008 (16 years ago)	27 December 2005 (18 years ago)
Launch price (MSRP)	no data	$999

Detailed specifications

Core 2 Quad Q8300 and Pentium Extreme Edition 955 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores	4 (Quad-Core)	2 (Dual-core)
Threads	4	4
Base clock speed	2.5 GHz	3.466 GHz
Boost clock speed	2.5 GHz	0.47 GHz
Bus rate	1333 MHz	no data
L1 cache	64K (per core)	16 KB (per core)
L2 cache	4 MB (shared)	2 MB (per core)
L3 cache	0 KB	no data
Chip lithography	45 nm	65 nm
Die size	2x 81 mm2	2x 81 mm2
Maximum case temperature (TCase)	71 °C	69 °C
Number of transistors	456 million	376 million
64 bit support	+	+
Windows 11 compatibility	-	no data
Unlocked multiplier	-	+
VID voltage range	0.85V-1.3625V	no data

Compatibility

Information on Core 2 Quad Q8300 and Pentium Extreme Edition 955 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration	1	1
Socket	LGA775	775
Power consumption (TDP)	95 Watt	130 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Quad Q8300 and Pentium Extreme Edition 955. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
Idle States	+	no data
Thermal Monitoring	+	-
Demand Based Switching	-	no data
FSB parity	-	no data

Security technologies

Core 2 Quad Q8300 and Pentium Extreme Edition 955 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	no data
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Quad Q8300 and Pentium Extreme Edition 955 are enumerated here.

VT-x

no data

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Quad Q8300 and Pentium Extreme Edition 955. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR1, DDR2, DDR3

DDR1, DDR2, DDR3 Depends on motherboard

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

On certain motherboards (Chipset feature)

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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Pros & cons summary

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Physical cores	4	2
Chip lithography	45 nm	65 nm
Power consumption (TDP)	95 Watt	130 Watt

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Should you still have questions on choice between Core 2 Quad Q8300 and Pentium Extreme Edition 955, ask them in Comments section, and we shall answer.

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