Core i9-14900KF vs Xeon E5-2678 v3

Primary details

Comparing Xeon E5-2678 v3 and Core i9-14900KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	752	69
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	6.87	82.51
Market segment	Server	Desktop processor
Series	Xeon	no data
Architecture codename	Haswell (2013−2015)	no data
Release date	2015 (9 years ago)	1 October 2023 (less than a year ago)
Current price	$146	$531

Cost-effectiveness evaluation

Performance per price, higher is better.

i9-14900KF has 1101% better value for money than Xeon E5-2678 v3.

Detailed specifications

Xeon E5-2678 v3 and Core i9-14900KF 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)	24 (Tetracosa-Core)
Threads	24	32
Base clock speed	2.5 GHz	no data
Boost clock speed	3.3 GHz	5.8 GHz
L1 cache	384 KB	no data
L2 cache	3072 KB	no data
L3 cache	30 MB	36 MB Intel® Smart Cache
Chip lithography	22 nm	Intel 7 nm
Die size	356 mm2	no data
Maximum core temperature	no data	100 °C
Maximum case temperature (TCase)	84 °C	no data
Number of transistors	5,560 million	no data
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	No	No

Compatibility

Information on Xeon E5-2678 v3 and Core i9-14900KF 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	2	1
Socket	LGA2011-3	FCLGA1700
Power consumption (TDP)	120 Watt	no data

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2678 v3 and Core i9-14900KF. 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
AES-NI	+	+
AVX	+	no data
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Turbo Boost Technology	no data	2.0
Hyper-Threading Technology	no data	+
TSX	+	no data
Idle States	no data	+
Thermal Monitoring	no data	+
Turbo Boost Max 3.0	no data	+
Status	no data	Launched

Security technologies

Xeon E5-2678 v3 and Core i9-14900KF technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2678 v3 and Core i9-14900KF are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2678 v3 and Core i9-14900KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3, DDR4	DDR5-5600, DDR4-3200
Maximum memory size	no data	192 GB
Max memory channels	no data	2
Maximum memory bandwidth	no data	89.6 GB/s

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2678 v3 and Core i9-14900KF.

PCIe version	3.0	5.0 and 4.0
PCI Express lanes	40	20

Synthetic benchmark performance

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

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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.

Core i9-14900KF outperforms Xeon E5-2678 v3 by 308% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	9.51	38.82
Physical cores	12	24
Threads	24	32

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Should you still have questions on choice between Xeon E5-2678 v3 and Core i9-14900KF, ask them in Comments section, and we shall answer.

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