Core i9-14900KF vs Xeon E3-1275L v3

Primary details

Comparing Xeon E3-1275L v3 and Core i9-14900KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1345	69
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	2.38	84.45
Market segment	Server	Desktop processor
Release date	1 April 2014 (10 years ago)	1 October 2023 (less than a year ago)
Current price	$172	$514

Cost-effectiveness evaluation

Performance per price, higher is better.

i9-14900KF has 3448% better value for money than Xeon E3-1275L v3.

Detailed specifications

Xeon E3-1275L 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	4 (Quad-Core)	24 (Tetracosa-Core)
Threads	8	32
Base clock speed	2.7 GHz	no data
Boost clock speed	3.9 GHz	5.8 GHz
L3 cache	8 MB Intel® Smart Cache	36 MB Intel® Smart Cache
Chip lithography	22 nm	Intel 7 nm
Maximum core temperature	no data	100 °C
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	No	No

Compatibility

Information on Xeon E3-1275L 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	1	1
Socket	FCLGA1150	FCLGA1700
Power consumption (TDP)	45 Watt	no data

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E3-1275L v3 and Core i9-14900KF. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	no data
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	+	no data
SIPP	+	no data
Turbo Boost Max 3.0	no data	+
FDI	+	no data
Fast Memory Access	+	no data
Status	Discontinued	Launched

Security technologies

Xeon E3-1275L v3 and Core i9-14900KF technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E3-1275L v3 and Core i9-14900KF are enumerated here.

VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E3-1275L v3 and Core i9-14900KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-1333, DDR3-1600	DDR5-5600, DDR4-3200
Maximum memory size	32 GB	192 GB
Max memory channels	2	2
Maximum memory bandwidth	25.6 GB/s	89.6 GB/s
ECC memory support	+	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® HD Graphics for 4th Generation Intel® Processors	no data
Max video memory	1.7 GB	no data
Quick Sync Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	1.2 GHz	no data
Execution Units	10	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Xeon E3-1275L v3 and Core i9-14900KF integrated GPUs.

Number of displays supported	3	no data
eDP	+	no data
DisplayPort	+	no data
HDMI	+	no data
VGA	+	no data

Graphics image quality

Maximum display resolutions supported by Xeon E3-1275L v3 and Core i9-14900KF integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	3840x2160@60Hz	no data
Max resolution over DisplayPort	3840x2160@60Hz	no data
Max resolution over VGA	2880x1800@60Hz	no data

Graphics API support

APIs supported by Xeon E3-1275L v3 and Core i9-14900KF integrated GPUs, sometimes API versions are included.

DirectX	11.2	no data
OpenGL	4.3	no data

Peripherals

Specifications and connection of peripherals supported by Xeon E3-1275L v3 and Core i9-14900KF.

PCIe version	3.0	5.0 and 4.0
PCI Express lanes	16	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 E3-1275L v3 by 859% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	4.05	38.83
Recency	1 April 2014	1 October 2023
Physical cores	4	24
Threads	8	32

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Should you still have questions on choice between Xeon E3-1275L v3 and Core i9-14900KF, ask them in Comments section, and we shall answer.

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