Xeon E-2378 vs E5540

Primary details

Comparing Xeon E5540 and Xeon E-2378 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1922	651
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	3.05	34.15
Market segment	Server	Server
Architecture codename	Gainestown (2009−2010)	Rocket Lake-E (2021)
Release date	March 2009 (15 years ago)	8 September 2021 (2 years ago)
Launch price (MSRP)	$30	no data
Current price	$105 (3.5x MSRP)	$473

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon E-2378 has 1020% better value for money than Xeon E5540.

Detailed specifications

Xeon E5540 and Xeon E-2378 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)	8 (Octa-Core)
Threads	8	16
Base clock speed	2.53 GHz	2.6 GHz
Boost clock speed	2.8 GHz	4.8 GHz
L1 cache	64 KB (per core)	64K (per core)
L2 cache	256 KB (per core)	512K (per core)
L3 cache	8 MB (shared)	16 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	Yes

Compatibility

Information on Xeon E5540 and Xeon E-2378 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 Xeon E-2378. 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, Intel® AVX-512
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	+
Demand Based Switching	+	no data
PAE	40 Bit	no data
Status	Discontinued	Launched

Security technologies

Xeon E5540 and Xeon E-2378 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5540 and Xeon E-2378 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5540 and Xeon E-2378. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4-3200
Maximum memory size	144 GB	128 GB
Max memory channels	3	2
Maximum memory bandwidth	25.6 GB/s	no data
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon E5540 and Xeon E-2378.

PCIe version	no data	4.0
PCI Express lanes	no data	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.

E-2378 outperforms E5540 by 524% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	1.80	11.23
Physical cores	4	8
Threads	8	16
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 Xeon E-2378, ask them in Comments section, and we shall answer.

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