Core i7-11700F vs Core 2 Extreme QX9775

Primary details

Comparing Core 2 Extreme QX9775 and Core i7-11700F processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	not rated	512
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	35.68
Market segment	Desktop processor	Desktop processor
Architecture codename	Yorkfield (2007−2009)	Rocket Lake (2021)
Release date	March 2008 (16 years ago)	16 March 2021 (3 years ago)
Current price	$1474	$275

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core 2 Extreme QX9775 and Core i7-11700F 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)	8 (Octa-Core)
Threads	4	16
Base clock speed	3.2 GHz	2.5 GHz
Boost clock speed	3.2 GHz	4.9 GHz
L1 cache	64K (per core)	80K (per core)
L2 cache	12 MB (shared)	256K (per core)
L3 cache	0 KB	16 MB (shared)
Chip lithography	45 nm	14 nm
Die size	2x 107 mm2	no data
Maximum core temperature	63 °C	100 °C
Maximum case temperature (TCase)	63 °C	72 °C
Number of transistors	820 million	no data
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	Yes	No
VID voltage range	0.85V-1.35V	no data

Compatibility

Information on Core 2 Extreme QX9775 and Core i7-11700F 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	FCLGA1200
Power consumption (TDP)	150 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Extreme QX9775 and Core i7-11700F. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI	-	+
AVX	no data	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	2.0
Hyper-Threading Technology	-	+
TSX	no data	+
Idle States	+	+
Thermal Monitoring	+	+
SIPP	no data	-
Demand Based Switching	-	no data
Turbo Boost Max 3.0	no data	+
FSB parity	-	no data
Status	Discontinued	Discontinued

Security technologies

Core 2 Extreme QX9775 and Core i7-11700F technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	+
EDB	+	+
Secure Key	no data	+
Identity Protection	no data	+
SGX	no data	-
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Extreme QX9775 and Core i7-11700F 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 i7-11700F. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR2	DDR4-3200
Maximum memory size	no data	128 GB
Max memory channels	no data	2
Maximum memory bandwidth	no data	50 GB/s
ECC memory support	no data	-

Peripherals

Specifications and connection of peripherals supported by Core 2 Extreme QX9775 and Core i7-11700F.

PCIe version	no data	4.0
PCI Express lanes	no data	20

Pros & cons summary

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Physical cores	4	8
Threads	4	16
Chip lithography	45 nm	14 nm
Power consumption (TDP)	150 Watt	65 Watt

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Should you still have questions on choice between Core 2 Extreme QX9775 and Core i7-11700F, ask them in Comments section, and we shall answer.

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