Core 2 Duo P7350 vs Core 2 Quad Q9400

Primary details

Comparing Core 2 Quad Q9400 and Core 2 Duo P7350 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2143	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	3.51	no data
Market segment	Desktop processor	Laptop
Series	no data	Intel Core 2 Duo
Architecture codename	Yorkfield (2007−2009)	Penryn (2008−2011)
Release date	August 2008 (15 years ago)	15 July 2008 (15 years ago)
Current price	$72	$72

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core 2 Quad Q9400 and Core 2 Duo P7350 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	2
Base clock speed	2.66 GHz	2 GHz
Boost clock speed	2.67 GHz	2 GHz
Bus support	no data	1066 MHz
L1 cache	64K (per core)	128 KB
L2 cache	6 MB (shared)	3 MB
L3 cache	0 KB	3 MB L2 Cache
Chip lithography	45 nm	45 nm
Die size	2x 81 mm2	107 mm2
Maximum core temperature	71 °C	no data
Maximum case temperature (TCase)	71 °C	no data
Number of transistors	456 million	410 Million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No
VID voltage range	0.85V-1.3625V	1.062V-1.15V

Compatibility

Information on Core 2 Quad Q9400 and Core 2 Duo P7350 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	no data
Socket	LGA775	BGA479,PGA478
Power consumption (TDP)	95 Watt	25 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Quad Q9400 and Core 2 Duo P7350. You'll probably need this information if you require some particular technology.

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

Security technologies

Core 2 Quad Q9400 and Core 2 Duo P7350 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	-
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Quad Q9400 and Core 2 Duo P7350 are enumerated here.

VT-d	+	no data
VT-x	+	-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Quad Q9400 and Core 2 Duo P7350. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR1, DDR2, DDR3

no data

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
Threads	4	2
Power consumption (TDP)	95 Watt	25 Watt

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Should you still have questions on choice between Core 2 Quad Q9400 and Core 2 Duo P7350, ask them in Comments section, and we shall answer.

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