Core i5-750s vs Core 2 Extreme QX9775

Primary details

Comparing Core 2 Extreme QX9775 and Core i5-750s processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Desktop processor
Architecture codename	Yorkfield (2007−2009)	Lynnfield (2009−2010)
Release date	March 2008 (16 years ago)	7 January 2010 (14 years ago)

Detailed specifications

Core 2 Extreme QX9775 and Core i5-750s 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)	4 (Quad-Core)
Threads	4	4
Base clock speed	3.2 GHz	2.4 GHz
Boost clock speed	3.2 GHz	3.2 GHz
Bus rate	1600 MHz	2.5 GT/s
L1 cache	64K (per core)	64 KB (per core)
L2 cache	12 MB (shared)	256 KB (per core)
L3 cache	0 KB	8 MB (shared)
Chip lithography	45 nm	45 nm
Die size	2x 107 mm2	296 mm2
Maximum core temperature	no data	77 °C
Maximum case temperature (TCase)	63 °C	no data
Number of transistors	820 million	774 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	+	-
VID voltage range	0.85V-1.35V	no data

Compatibility

Information on Core 2 Extreme QX9775 and Core i5-750s 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	LGA771	FCLGA1156,LGA1156
Power consumption (TDP)	150 Watt	82 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Extreme QX9775 and Core i5-750s. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE4.2
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	1.0
Hyper-Threading Technology	-	-
Idle States	+	+
Thermal Monitoring	+	-
Demand Based Switching	-	-
PAE	no data	36 Bit
FSB parity	-	no data

Security technologies

Core 2 Extreme QX9775 and Core i5-750s technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	+
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Extreme QX9775 and Core i5-750s are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Extreme QX9775 and Core i5-750s. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR2	DDR3
Maximum memory size	no data	16 GB
Max memory channels	no data	2
Maximum memory bandwidth	no data	21 GB/s

Peripherals

Specifications and connection of peripherals supported by Core 2 Extreme QX9775 and Core i5-750s.

PCIe version	no data	2.0
PCI Express lanes	no data	16

Pros & cons summary

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Power consumption (TDP)

150 Watt

82 Watt

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Should you still have questions on choice between Core 2 Extreme QX9775 and Core i5-750s, ask them in Comments section, and we shall answer.

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