Xeon E5520 vs E5-2620 v4

Primary details

Comparing Xeon E5-2620 v4 and Xeon E5520 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1018	1971
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	8.50	2.58
Market segment	Server	Server
Series	Intel Xeon E5	no data
Architecture codename	Broadwell (2015−2019)	Gainestown (2009−2010)
Release date	20 June 2016 (7 years ago)	March 2009 (15 years ago)
Launch price (MSRP)	$417	$19
Current price	$124 (0.3x MSRP)	$70 (3.7x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon E5-2620 v4 has 229% better value for money than Xeon E5520.

Detailed specifications

Xeon E5-2620 v4 and Xeon E5520 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	8 (Octa-Core)	4 (Quad-Core)
Threads	16	8
Base clock speed	2.1 GHz	2.26 GHz
Boost clock speed	3 GHz	2.53 GHz
Bus support	2 × 8 GT/s	no data
L1 cache	no data	64 KB (per core)
L2 cache	2 MB	256 KB (per core)
L3 cache	20 MB	8 MB (shared)
Chip lithography	14 nm	45 nm
Die size	246.24 mm2	263 mm2
Maximum core temperature	74 °C	72 °C
Number of transistors	3200 Million	731 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Xeon E5-2620 v4 and Xeon E5520 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	2
Socket	FCLGA2011	FCLGA1366
Power consumption (TDP)	85 Watt	80 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2620 v4 and Xeon E5520. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX2	no data
AES-NI	+	no data
AVX	+	no data
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2.0	1.0
Hyper-Threading Technology	+	+
TSX	+	no data
Idle States	+	+
Thermal Monitoring	+	no data
Flex Memory Access	-	no data
Demand Based Switching	+	+
PAE	46 Bit	40 Bit
Status	Launched	Discontinued

Security technologies

Xeon E5-2620 v4 and Xeon E5520 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2620 v4 and Xeon E5520 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2620 v4 and Xeon E5520. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-1600, DDR4-1866, DDR4-2133	DDR3
Maximum memory size	1.5 TB	144 GB
Max memory channels	4	3
Maximum memory bandwidth	68.3 GB/s	25.6 GB/s
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2620 v4 and Xeon E5520.

PCIe version	3.0	no data
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.

E5-2620 v4 outperforms E5520 by 265% based on our aggregated benchmark results.

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Pros & cons summary

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Performance score	5.95	1.63
Physical cores	8	4
Threads	16	8
Cost	$417	$19
Chip lithography	14 nm	45 nm
Power consumption (TDP)	85 Watt	80 Watt

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Should you still have questions on choice between Xeon E5-2620 v4 and Xeon E5520, ask them in Comments section, and we shall answer.

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