Xeon Gold 6438N vs i5-9400F

Primary details

Comparing Core i5-9400F and Xeon Gold 6438N processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1090	115
Place by popularity	25	not in top-100
Cost-effectiveness evaluation	9.63	25.41
Market segment	Desktop processor	Server
Series	Intel Core i5	no data
Power efficiency	8.68	15.34
Architecture codename	Coffee Lake-R (2018−2019)	Sapphire Rapids (2023−2024)
Release date	7 January 2019 (5 years ago)	10 January 2023 (1 year ago)
Launch price (MSRP)	$182	$3,351

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon Gold 6438N has 164% better value for money than i5-9400F.

Detailed specifications

Core i5-9400F and Xeon Gold 6438N 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)	32 (Dotriaconta-Core)
Threads	6	64
Base clock speed	2.9 GHz	2 GHz
Boost clock speed	4.1 GHz	3.6 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	no data
Multiplier	29	no data
L1 cache	385 KB	80K (per core)
L2 cache	1.5 MB	2 MB (per core)
L3 cache	9 MB (shared)	60 MB
Chip lithography	14 nm	Intel 7 nm
Die size	149 mm2	no data
Maximum core temperature	100 °C	no data
Maximum case temperature (TCase)	72 °C	85 °C
64 bit support	+	+
Windows 11 compatibility	+	no data

Compatibility

Information on Core i5-9400F and Xeon Gold 6438N 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 (Uniprocessor)	2
Socket	FCLGA1151	FCLGA4677
Power consumption (TDP)	65 Watt	205 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-9400F and Xeon Gold 6438N. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
AVX	+	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	-	+
TSX	-	+
Idle States	+	no data
Thermal Monitoring	+	-
Deep Learning Boost	-	+

Security technologies

Core i5-9400F and Xeon Gold 6438N technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-9400F and Xeon Gold 6438N 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 Gold 6438N. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR5-4800, DDR5-4400
Maximum memory size	128 GB	4 TB
Max memory channels	2	8
Maximum memory bandwidth	42.671 GB/s	no data
ECC memory support	-	+

Peripherals

Specifications and connection of peripherals supported by Core i5-9400F and Xeon Gold 6438N.

PCIe version	3.0	5
PCI Express lanes	16	80

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.

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Pros & cons summary

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Performance score	6.19	34.49
Recency	7 January 2019	10 January 2023
Physical cores	6	32
Threads	6	64
Power consumption (TDP)	65 Watt	205 Watt

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Should you still have questions on choice between Core i5-9400F and Xeon Gold 6438N, ask them in Comments section, and we shall answer.

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