Core i9-11900F vs Core i7-3910K

Primary details

Comparing Core i7-3910K and Core i9-11900F processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	not rated	467
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	46.69
Market segment	Desktop processor	Desktop processor
Architecture codename	Sandy Bridge-E (2011−2013)	Rocket Lake (2021)
Release date	24 July 2013 (10 years ago)	16 March 2021 (3 years ago)
Current price	$618	$229

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i7-3910K and Core i9-11900F 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	6 (Hexa-Core)	8 (Octa-Core)
Threads	12	16
Base clock speed	3 GHz	2.5 GHz
Boost clock speed	3.6 GHz	5.1 GHz
L1 cache	64 KB (per core)	64K (per core)
L2 cache	256 KB (per core)	256K (per core)
L3 cache	12 MB (shared)	16 MB (shared)
Chip lithography	32 nm	14 nm
Die size	435 mm2	no data
Maximum core temperature	no data	100 °C
Maximum case temperature (TCase)	67 °C	72 °C
Number of transistors	2,270 million	no data
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	Yes	No

Compatibility

Information on Core i7-3910K and Core i9-11900F 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	2011	FCLGA1200
Power consumption (TDP)	130 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-3910K and Core i9-11900F. 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	+	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	no data	2.0
Hyper-Threading Technology	+	+
TSX	no data	+
Idle States	no data	+
Thermal Monitoring	no data	+
SIPP	no data	-
Turbo Boost Max 3.0	no data	+
Status	no data	Discontinued

Security technologies

Core i7-3910K and Core i9-11900F technologies aimed at improving security, for example, by protecting against hacks.

TXT	no data	+
EDB	no data	+
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 i7-3910K and Core i9-11900F are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-3910K and Core i9-11900F. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	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 i7-3910K and Core i9-11900F.

PCIe version	3.0	4.0
PCI Express lanes	no data	20

Pros & cons summary

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Recency	24 July 2013	16 March 2021
Physical cores	6	8
Threads	12	16
Chip lithography	32 nm	14 nm
Power consumption (TDP)	130 Watt	65 Watt

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