Xeon E5-2620 vs E5-2658 v4

Primary details

Comparing Xeon E5-2658 v4 and Xeon E5-2620 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	772	1485
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	13.94	1.73
Market segment	Laptop	Server
Series	Intel Xeon E5	no data
Architecture codename	Broadwell (2015−2019)	Sandy Bridge-EP (2012)
Release date	20 June 2016 (8 years ago)	6 March 2012 (12 years ago)
Launch price (MSRP)	$1,832	$36
Current price	$169 (0.1x MSRP)	$72 (2x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon E5-2658 v4 has 706% better value for money than Xeon E5-2620.

Detailed specifications

Xeon E5-2658 v4 and Xeon E5-2620 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)	6 (Hexa-Core)
Threads	28	12
Base clock speed	no data	2 GHz
Boost clock speed	2.3 GHz	2.5 GHz
Bus support	2 × 9.6 GT/s	no data
L1 cache	no data	64 KB (per core)
L2 cache	3.5 MB	256 KB (per core)
L3 cache	35 MB	15360 KB (shared)
Chip lithography	14 nm	32 nm
Die size	306.18 mm2	435 mm2
Maximum core temperature	no data	77 °C
Number of transistors	4700 Million	2,270 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Xeon E5-2658 v4 and Xeon E5-2620 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 (Multiprocessor)	2
Socket	no data	FCLGA2011
Power consumption (TDP)	105 Watt	95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2658 v4 and Xeon E5-2620. You'll probably need this information if you require some particular technology.

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

Security technologies

Xeon E5-2658 v4 and Xeon E5-2620 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	no data	+
Identity Protection	no data	-

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2658 v4 and Xeon E5-2620 are enumerated here.

VT-d	no data	+
VT-x	no data	+
EPT	no data	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2658 v4 and Xeon E5-2620. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	no data	DDR3
Maximum memory size	1,536 GB	384 GB
Max memory channels	no data	4
Maximum memory bandwidth	no data	42.6 GB/s
ECC memory support	no data	+

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2658 v4 and Xeon E5-2620.

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.

E5-2658 v4 outperforms E5-2620 by 173% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	9.33	3.42
Recency	20 June 2016	6 March 2012
Physical cores	14	6
Threads	28	12
Cost	$1832	$36
Chip lithography	14 nm	32 nm
Power consumption (TDP)	105 Watt	95 Watt

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Should you still have questions on choice between Xeon E5-2658 v4 and Xeon E5-2620, ask them in Comments section, and we shall answer.

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