Core i5-750 vs Core 2 Extreme QX6800

Primary details

Comparing Core 2 Extreme QX6800 and Core i5-750 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	2107
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	0.21
Market segment	Desktop processor	Desktop processor
Series	no data	Core i5 (Desktop)
Power efficiency	no data	1.59
Architecture codename	Kentsfield (2007)	Lynnfield (2009−2010)
Release date	April 2007 (17 years ago)	8 September 2009 (15 years ago)
Launch price (MSRP)	no data	$150

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core 2 Extreme QX6800 and Core i5-750 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	2.93 GHz	2.66 GHz
Boost clock speed	2.93 GHz	3.2 GHz
Bus rate	1066 MHz	2500 MHz
L1 cache	64K (per core)	64 KB (per core)
L2 cache	8 MB (shared)	256 KB (per core)
L3 cache	0 KB	8 MB (shared)
Chip lithography	65 nm	45 nm
Die size	2x 143 mm2	296 mm2
Maximum core temperature	65 °C	73 °C
Number of transistors	582 million	774 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	+	-
VID voltage range	0.85V-1.5V	no data

Compatibility

Information on Core 2 Extreme QX6800 and Core i5-750 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	FCLGA1156,LGA1156
Power consumption (TDP)	130 Watt	95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Extreme QX6800 and Core i5-750. 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 QX6800 and Core i5-750 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 QX6800 and Core i5-750 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 QX6800 and Core i5-750. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR1, DDR2, DDR3	DDR3
Maximum memory size	no data	16 GB
Max memory channels	no data	2
Maximum memory bandwidth	no data	21 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

N/A

Peripherals

Specifications and connection of peripherals supported by Core 2 Extreme QX6800 and Core i5-750.

PCIe version	no data	2.0
PCI Express lanes	no data	16

Pros & cons summary

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Chip lithography	65 nm	45 nm
Power consumption (TDP)	130 Watt	95 Watt

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Should you still have questions on choice between Core 2 Extreme QX6800 and Core i5-750, ask them in Comments section, and we shall answer.

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