Xeon E5-2666 V3 vs i7-12700F

Primary details

Comparing Core i7-12700F and Xeon E5-2666 V3 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	303	866
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	38.45	no data
Market segment	Desktop processor	Server
Power efficiency	28.15	6.26
Architecture codename	Alder Lake-S (2022)	Haswell-EP (2014−2015)
Release date	4 January 2022 (2 years ago)	13 November 2014 (10 years ago)
Launch price (MSRP)	$386	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i7-12700F and Xeon E5-2666 V3 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	12 (Dodeca-Core)	10 (Deca-Core)
Threads	20	20
Base clock speed	2.1 GHz	2.9 GHz
Boost clock speed	4.9 GHz	3.5 GHz
L1 cache	80K (per core)	64K (per core)
L2 cache	1.25 MB (per core)	256K (per core)
L3 cache	25 MB (shared)	25 MB (shared)
Chip lithography	Intel 7 nm	22 nm
Die size	215 mm2	356 mm2
Maximum core temperature	100 °C	no data
Number of transistors	no data	2,600 million
64 bit support	+	+
Windows 11 compatibility	+	no data

Compatibility

Information on Core i7-12700F and Xeon E5-2666 V3 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	2
Socket	FCLGA1700	2011-3
Power consumption (TDP)	65 Watt	135 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-12700F and Xeon E5-2666 V3. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	no data
AES-NI	+	+
AVX	+	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	+
Idle States	+	no data
Thermal Monitoring	+	-
Turbo Boost Max 3.0	+	no data
Deep Learning Boost	+	-

Security technologies

Core i7-12700F and Xeon E5-2666 V3 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	no data
Secure Key	+	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-12700F and Xeon E5-2666 V3 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-12700F and Xeon E5-2666 V3. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR5-4800, DDR4-3200	DDR3, DDR4 2133 MHz Quad-channel
Maximum memory size	128 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	76.8 GB/s	no data

Peripherals

Specifications and connection of peripherals supported by Core i7-12700F and Xeon E5-2666 V3.

PCIe version	5.0 and 4.0	3.0
PCI Express lanes	20	40

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

---

Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

---

Pros & cons summary

---

Performance score	19.32	8.93
Recency	4 January 2022	13 November 2014
Physical cores	12	10
Power consumption (TDP)	65 Watt	135 Watt

---

Should you still have questions on choice between Core i7-12700F and Xeon E5-2666 V3, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.

---