Core i7-5500DU vs Core 2 Quad Q9400

Primary details

Comparing Core 2 Quad Q9400 and Core i7-5500DU processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2243	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Laptop
Series	no data	Intel Core i7
Power efficiency	1.33	no data
Architecture codename	Yorkfield (2007−2009)	Broadwell (2015−2019)
Release date	August 2008 (16 years ago)	27 December 2015 (8 years ago)
Launch price (MSRP)	no data	$393

Detailed specifications

Core 2 Quad Q9400 and Core i7-5500DU 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	2.66 GHz	no data
Boost clock speed	2.67 GHz	2.4 GHz
Bus type	no data	DMI 3.0
Bus rate	1333 MHz	8.0 GT/s
Multiplier	no data	24
L1 cache	64K (per core)	no data
L2 cache	6 MB (shared)	512 KB
L3 cache	0 KB	4 MB
Chip lithography	45 nm	14 nm
Die size	2x 81 mm2	no data
Maximum case temperature (TCase)	71 °C	no data
Number of transistors	456 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-
VID voltage range	0.85V-1.3625V	no data

Compatibility

Information on Core 2 Quad Q9400 and Core i7-5500DU 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 (Uniprocessor)
Socket	LGA775	no data
Power consumption (TDP)	95 Watt	no data

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Quad Q9400 and Core i7-5500DU. You'll probably need this information if you require some particular technology.

AES-NI	-	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	+
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 Q9400 and Core i7-5500DU technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Quad Q9400 and Core i7-5500DU are enumerated here.

VT-d	+	no data
VT-x	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Quad Q9400 and Core i7-5500DU. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR1, DDR2, DDR3	no data
Maximum memory size	no data	32 GB

Peripherals

Specifications and connection of peripherals supported by Core 2 Quad Q9400 and Core i7-5500DU.

PCIe version	no data	3.0
PCI Express lanes	no data	12

Pros & cons summary

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Physical cores	4	2
Chip lithography	45 nm	14 nm

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Should you still have questions on choice between Core 2 Quad Q9400 and Core i7-5500DU, ask them in Comments section, and we shall answer.

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