Core i5-10400F vs Xeon E5540

Primary Details

Comparing Xeon E5540 and Core i5-10400F processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1890	824
Place by popularity	not in top-100	10
Cost-Effectiveness Evaluation	3.05	48.90
Market segment	Server	Desktop processor
Architecture codename	Gainestown (2009−2010)	Comet Lake (2020)
Release date	March 2009 (15 years ago)	30 April 2020 (4 years ago)
Launch price (MSRP)	$30	$155
Current price	$126 (4.2x MSRP)	$100 (0.6x MSRP)

Cost-Effectiveness Evaluation

Performance per price, higher is better.

i5-10400F has 1503% better value for money than Xeon E5540.

Detailed Specifications

Xeon E5540 and Core i5-10400F 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)	6 (Hexa-Core)
Threads	8	12
Base clock speed	2.53 GHz	2.9 GHz
Boost clock speed	2.8 GHz	4.3 GHz
L1 cache	64 KB (per core)	64K (per core)
L2 cache	256 KB (per core)	256K (per core)
L3 cache	8 MB (shared)	12 MB (shared)
Chip lithography	45 nm	14 nm
Die size	263 mm2	no data
Maximum core temperature	76 °C	100 °C
Maximum case temperature (TCase)	no data	72 °C
Number of transistors	731 million	no data
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	No	No

Compatibility

Information on Xeon E5540 and Core i5-10400F 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	2	1
Socket	FCLGA1366	FCLGA1200
Power consumption (TDP)	80 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5540 and Core i5-10400F. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	no data	+
AVX	no data	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	1.0	2.0
Hyper-Threading Technology	+	+
TSX	no data	-
Idle States	+	+
Thermal Monitoring	no data	+
SIPP	no data	-
Demand Based Switching	+	no data
PAE	40 Bit	no data
Turbo Boost Max 3.0	no data	-
Status	Discontinued	Launched

Security technologies

Xeon E5540 and Core i5-10400F technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5540 and Core i5-10400F are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5540 and Core i5-10400F. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4
Maximum memory size	144 GB	128 GB
Max memory channels	3	2
Maximum memory bandwidth	25.6 GB/s	41.6 GB/s
ECC memory support	+	-

Peripherals

Specifications and connection of peripherals supported by Xeon E5540 and Core i5-10400F.

PCIe version	no data	3.0
PCI Express lanes	no data	16

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 i5-10400F outperforms Xeon E5540 by 368% based on our aggregated benchmark results.

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Pros & Cons Summary

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Performance score	1.80	8.42
Physical cores	4	6
Threads	8	12
Cost	$30	$155
Chip lithography	45 nm	14 nm
Power consumption (TDP)	80 Watt	65 Watt

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Should you still have questions on choice between Xeon E5540 and Core i5-10400F, ask them in Comments section, and we shall answer.

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