Xeon W-2255 vs Core i5-9400F

Primary details

Comparing Core i5-9400F and Xeon W-2255 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1021	473
Place by popularity	29	not in top-100
Cost-effectiveness evaluation	17.65	19.74
Market segment	Desktop processor	Server
Series	Intel Core i5	no data
Architecture codename	Coffee Lake-R (2018−2019)	no data
Release date	8 January 2019 (5 years ago)	1 October 2019 (4 years ago)
Launch price (MSRP)	$182	no data
Current price	$127 (0.7x MSRP)	$831

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon W-2255 has 12% better value for money than i5-9400F.

Detailed specifications

Core i5-9400F and Xeon W-2255 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)	10 (Deca-Core)
Threads	6	20
Base clock speed	2.9 GHz	3.7 GHz
Boost clock speed	4.1 GHz	4.7 GHz
L1 cache	64K (per core)	no data
L2 cache	256K (per core)	no data
L3 cache	9 MB (shared)	19.25 MB
Chip lithography	14 nm	14 nm
Die size	149 mm2	no data
Maximum core temperature	100 °C	62 °C
Maximum case temperature (TCase)	72 °C	no data
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	No	No

Compatibility

Information on Core i5-9400F and Xeon W-2255 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	FCLGA2066
Power consumption (TDP)	65 Watt	165 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-9400F and Xeon W-2255. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
AVX	+	no data
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	-	+
TSX	-	+
Idle States	+	+
Thermal Monitoring	+	+
SIPP	-	no data
Demand Based Switching	no data	+
PAE	no data	46 Bit
Turbo Boost Max 3.0	no data	+
Status	Discontinued	Launched

Security technologies

Core i5-9400F and Xeon W-2255 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	+
EDB	+	+
Secure Key	+	+
MPX	+	+
Identity Protection	+	+
SGX	Yes with Intel® ME	-
OS Guard	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-9400F and Xeon W-2255 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-2255. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR4-2933
Maximum memory size	128 GB	1 TB
Max memory channels	2	4
Maximum memory bandwidth	41.6 GB/s	93.85 GB/s
ECC memory support	-	+

Peripherals

Specifications and connection of peripherals supported by Core i5-9400F and Xeon W-2255.

PCIe version	3.0	3.0
PCI Express lanes	16	48

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-2255 outperforms Core i5-9400F by 136% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	6.12	14.45
Recency	8 January 2019	1 October 2019
Physical cores	6	10
Threads	6	20
Power consumption (TDP)	65 Watt	165 Watt

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Should you still have questions on choice between Core i5-9400F and Xeon W-2255, ask them in Comments section, and we shall answer.

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