Xeon E5-4657L v2 vs E5-2650L v4

General info

Comparing Xeon E5-2650L v4 and Xeon E5-4657L v2 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	836	871
Place by popularity	not in top-100	not in top-100
Value for money	3.19	5.07
Market segment	Server	Server
Series	Intel Xeon E5	no data
Architecture codename	Broadwell (2015−2019)	no data
Release date	20 June 2016 (7 years old)	1 January 2014 (10 years old)
Launch price (MSRP)	$1,329	no data
Current price	$637 (0.5x MSRP)	$74

Value for money

Performance per price, higher is better.

Xeon E5-4657L v2 has 59% better value for money than Xeon E5-2650L v4.

Technical specs

Xeon E5-2650L v4 and Xeon E5-4657L v2 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	14 (Tetradeca-Core)	12 (Dodeca-Core)
Threads	28	24
Base clock speed	1.7 GHz	2.4 GHz
Boost clock speed	2.5 GHz	2.9 GHz
Bus support	2 × 9.6 GT/s	no data
L2 cache	3.5 MB	no data
L3 cache	35 MB	30 MB Intel® Smart Cache
Chip lithography	14 nm	22 nm
Die size	306.18 mm2	no data
Maximum core temperature	64 °C	81 °C
Number of transistors	4700 Million	no data
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Xeon E5-2650L v4 and Xeon E5-4657L v2 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	4
Socket	FCLGA2011	FCLGA2011
Power consumption (TDP)	65 Watt	115 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2650L v4 and Xeon E5-4657L v2. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX2	Intel® AVX
AES-NI	+	+
AVX	+	no data
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	-
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	-	no data
Demand Based Switching	+	+
PAE	46 Bit	46 Bit
Status	Discontinued	Discontinued

Security technologies

Xeon E5-2650L v4 and Xeon E5-4657L v2 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	+	+
Identity Protection	-	no data
OS Guard	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2650L v4 and Xeon E5-4657L v2 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2650L v4 and Xeon E5-4657L v2. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-1600, DDR4-1866, DDR4-2133, DDR4-2400	DDR3-800, DDR3-1066, DDR3-1333, DDR3-1600, DDR3-1866
Maximum memory size	1.5 TB	768 GB
Max memory channels	4	4
Maximum memory bandwidth	76.8 GB/s	59.7 GB/s
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2650L v4 and Xeon E5-4657L v2.

PCIe version	3.0	3.0
PCI Express lanes	40	40

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.

E5-2650L v4 outperforms E5-4657L v2 by 9% based on our aggregated benchmark results.

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Advantages and disadvantages

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Performance score	8.26	7.58
Recency	20 June 2016	1 January 2014
Physical cores	14	12
Threads	28	24
Chip lithography	14 nm	22 nm
Power consumption (TDP)	65 Watt	115 Watt

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Should you still have questions on choice between Xeon E5-2650L v4 and Xeon E5-4657L v2, ask them in Comments section, and we shall answer.

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