Xeon E7-8891 v3 vs Core i5-9400F

Primary details

Comparing Core i5-9400F and Xeon E7-8891 v3 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1018	490
Place by popularity	29	not in top-100
Cost-effectiveness evaluation	16.89	26.15
Market segment	Desktop processor	Server
Series	Intel Core i5	no data
Architecture codename	Coffee Lake-R (2018−2019)	Haswell-EX (2015)
Release date	8 January 2019 (5 years ago)	1 June 2015 (9 years ago)
Launch price (MSRP)	$182	no data
Current price	$138 (0.8x MSRP)	$11.09

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon E7-8891 v3 has 55% better value for money than i5-9400F.

Detailed specifications

Core i5-9400F and Xeon E7-8891 v3 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	2.8 GHz
Boost clock speed	4.1 GHz	3.5 GHz
L1 cache	64K (per core)	64K (per core)
L2 cache	256K (per core)	256K (per core)
L3 cache	9 MB (shared)	45 MB (shared)
Chip lithography	14 nm	22 nm
Die size	149 mm2	160 mm2
Maximum core temperature	100 °C	79 °C
Maximum case temperature (TCase)	72 °C	79 °C
Number of transistors	no data	1,400 million
64 bit support	+	+
Windows 11 compatibility	+	-
Unlocked multiplier	No	No

Compatibility

Information on Core i5-9400F and Xeon E7-8891 v3 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	8
Socket	FCLGA1151	FCLGA2011
Power consumption (TDP)	65 Watt	165 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-9400F and Xeon E7-8891 v3. You'll probably need this information if you require some particular technology.

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

Security technologies

Core i5-9400F and Xeon E7-8891 v3 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-9400F and Xeon E7-8891 v3 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 E7-8891 v3. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR4-1333, DDR4-1600, DDR4-1866, DDR3-1066, DDR3-1333, DDR3-1600
Maximum memory size	128 GB	1.5 TB
Max memory channels	2	4
Maximum memory bandwidth	41.6 GB/s	85 GB/s
ECC memory support	-	+

Peripherals

Specifications and connection of peripherals supported by Core i5-9400F and Xeon E7-8891 v3.

PCIe version	3.0	3.0
PCI Express lanes	16	32

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 E7-8891 v3 outperforms Core i5-9400F by 128% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	6.12	13.97
Recency	8 January 2019	1 June 2015
Physical cores	6	10
Threads	6	20
Chip lithography	14 nm	22 nm
Power consumption (TDP)	65 Watt	165 Watt

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Should you still have questions on choice between Core i5-9400F and Xeon E7-8891 v3, ask them in Comments section, and we shall answer.

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