Xeon L5638 vs E5-1607

General info

Comparing Xeon E5-1607 and Xeon L5638 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1661	1665
Place by popularity	not in top-100	not in top-100
Value for money	1.18	1.73
Market segment	Server	Server
Architecture codename	no data	Westmere-EP (2010−2011)
Release date	1 January 2012 (12 years ago)	16 March 2010 (14 years ago)
Launch price (MSRP)	no data	$90
Current price	$12.71	$11 (0.1x MSRP)

Value for money

Performance per price, higher is better.

Xeon L5638 has 47% better value for money than Xeon E5-1607.

Technical specs

Xeon E5-1607 and Xeon L5638 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	4	12
Base clock speed	3 GHz	2 GHz
Boost clock speed	no data	2.4 GHz
L1 cache	no data	64 KB (per core)
L2 cache	no data	256 KB (per core)
L3 cache	10 MB	12 MB (shared)
Chip lithography	32 nm	32 nm
Die size	no data	239 mm2
Maximum core temperature	64 °C	85 °C
Number of transistors	no data	1,170 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No
VID voltage range	0.6V - 1.35V	no data

Compatibility

Information on Xeon E5-1607 and Xeon L5638 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	2
Socket	FCLGA2011	FCLGA1366,LGA1366
Power consumption (TDP)	130 Watt	60 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-1607 and Xeon L5638. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX	no data
AES-NI	+	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	1.0
Hyper-Threading Technology	-	+
Idle States	+	+
Thermal Monitoring	+	no data
Flex Memory Access	+	no data
Demand Based Switching	+	no data
Status	Launched	Discontinued

Security technologies

Xeon E5-1607 and Xeon L5638 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-1607 and Xeon L5638 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-1607 and Xeon L5638. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-800, DDR3-1066	DDR3
Maximum memory size	375 GB	no data
Max memory channels	4	no data
Maximum memory bandwidth	34.1 GB/s	no data
ECC memory support	+	no data

Peripherals

Specifications and connection of peripherals supported by Xeon E5-1607 and Xeon L5638.

PCIe version	3.0	2.0
PCI Express lanes	40	no data

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.

Advantages and disadvantages

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Performance score	2.39	2.38
Recency	1 January 2012	16 March 2010
Physical cores	4	6
Threads	4	12
Power consumption (TDP)	130 Watt	60 Watt

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Should you still have questions on choice between Xeon E5-1607 and Xeon L5638, ask them in Comments section, and we shall answer.

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