Xeon W-11855M vs Core i5-9400F

Primary details

Comparing Core i5-9400F and Xeon W-11855M processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1021	622
Place by popularity	29	not in top-100
Cost-effectiveness evaluation	17.65	50.13
Market segment	Desktop processor	Server
Series	Intel Core i5	Intel Tiger Lake
Architecture codename	Coffee Lake-R (2018−2019)	Tiger Lake-H (2021)
Release date	8 January 2019 (5 years ago)	11 May 2021 (3 years ago)
Launch price (MSRP)	$182	no data
Current price	$127 (0.7x MSRP)	$333

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon W-11855M has 184% better value for money than i5-9400F.

Detailed specifications

Core i5-9400F and Xeon W-11855M 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)	6 (Hexa-Core)
Threads	6	12
Base clock speed	2.9 GHz	3.2 GHz
Boost clock speed	4.1 GHz	4.9 GHz
L1 cache	64K (per core)	96K (per core)
L2 cache	256K (per core)	1.25 MB (per core)
L3 cache	9 MB (shared)	18 MB (shared)
Chip lithography	14 nm	10 nm SuperFin
Die size	149 mm2	no data
Maximum core temperature	100 °C	100 °C
Maximum case temperature (TCase)	72 °C	72 °C
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	No	No

Compatibility

Information on Core i5-9400F and Xeon W-11855M 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	FCLGA1151	FCBGA1787
Power consumption (TDP)	65 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-9400F and Xeon W-11855M. 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, Intel® AVX-512
AES-NI	+	+
FMA	no data	+
AVX	+	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	-	+
TSX	-	+
Idle States	+	no data
Thermal Monitoring	+	+
Flex Memory Access	no data	+
SIPP	-	+
Turbo Boost Max 3.0	no data	+
Status	Discontinued	Discontinued

Security technologies

Core i5-9400F and Xeon W-11855M technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	+
EDB	+	no data
Secure Key	+	+
MPX	+	no data
Identity Protection	+	no data
SGX	Yes with Intel® ME	-
OS Guard	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-9400F and Xeon W-11855M are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-9400F and Xeon W-11855M. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR4
Maximum memory size	128 GB	128 GB
Max memory channels	2	2
Maximum memory bandwidth	41.6 GB/s	51.2 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	no data	Intel® UHD Graphics for 11th Gen Intel® Processors
Quick Sync Video	no data	+
Graphics max frequency	no data	1.45 GHz
Execution Units	no data	32

Graphics interfaces

Available interfaces and connections of Core i5-9400F and Xeon W-11855M integrated GPUs.

Number of displays supported

no data

4

Graphics image quality

Maximum display resolutions supported by Core i5-9400F and Xeon W-11855M integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	no data	4096x2304@60Hz
Max resolution over eDP	no data	4096x2304@60Hz
Max resolution over DisplayPort	no data	7680x4320@60Hz

Graphics API support

APIs supported by Core i5-9400F and Xeon W-11855M integrated GPUs, sometimes API versions are included.

DirectX	no data	12.1
OpenGL	no data	4.6

Peripherals

Specifications and connection of peripherals supported by Core i5-9400F and Xeon W-11855M.

PCIe version	3.0	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.

Xeon W-11855M outperforms Core i5-9400F by 92% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	6.12	11.74
Recency	8 January 2019	11 May 2021
Threads	6	12
Chip lithography	14 nm	10 nm
Power consumption (TDP)	65 Watt	35 Watt

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Should you still have questions on choice between Core i5-9400F and Xeon W-11855M, ask them in Comments section, and we shall answer.

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