Xeon D-1520 vs E5-2650 v4

Primary details

Comparing Xeon E5-2650 v4 and Xeon D-1520 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	881	1616
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	2.61	1.78
Market segment	Server	Server
Series	Intel Xeon E5	Intel Xeon D
Power efficiency	7.69	6.50
Architecture codename	Broadwell-EP (2016)	Broadwell (2015−2019)
Release date	20 June 2016 (8 years ago)	9 March 2015 (9 years ago)
Launch price (MSRP)	$1,166	$199

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon E5-2650 v4 has 47% better value for money than Xeon D-1520.

Detailed specifications

Xeon E5-2650 v4 and Xeon D-1520 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	12 (Dodeca-Core)	4 (Quad-Core)
Threads	24	8
Base clock speed	2.2 GHz	2.2 GHz
Boost clock speed	2.9 GHz	2.6 GHz
Bus type	QPI	DMI 2.0
Bus rate	2 × 9.6 GT/s	no data
Multiplier	22	22
L1 cache	64 KB (per core)	256 KB
L2 cache	3 MB	1 MB
L3 cache	30 MB (shared)	6 MB
Chip lithography	14 nm	14 nm
Die size	306.18 mm2	246.24 mm2
Maximum core temperature	80 °C	no data
Maximum case temperature (TCase)	no data	80 °C
Number of transistors	4700 Million	3200 Million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Xeon E5-2650 v4 and Xeon D-1520 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)	1 (Uniprocessor)
Socket	FCLGA2011	FCBGA1667
Power consumption (TDP)	105 Watt	45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2650 v4 and Xeon D-1520. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX2	Intel® AVX2
AES-NI	+	+
AVX	+	+
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	+	no data
PAE	46 Bit	no data
GPIO	no data	+

Security technologies

Xeon E5-2650 v4 and Xeon D-1520 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	+	+
OS Guard	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2650 v4 and Xeon D-1520 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2650 v4 and Xeon D-1520. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-1600, DDR4-1866, DDR4-2133, DDR4-2400	DDR4
Maximum memory size	1.5 TB	128 GB
Max memory channels	4	2
Maximum memory bandwidth	76.8 GB/s	34.124 GB/s
ECC memory support	+	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

N/A

no data

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2650 v4 and Xeon D-1520.

PCIe version	3.0	2.0/3.0
PCI Express lanes	40	24
USB revision	no data	2.0/3.0
Total number of SATA ports	no data	6
Number of USB ports	no data	8
Integrated LAN	no data	+
UART	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.

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Pros & cons summary

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Performance score	8.86	3.21
Recency	20 June 2016	9 March 2015
Physical cores	12	4
Threads	24	8
Power consumption (TDP)	105 Watt	45 Watt

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Should you still have questions on choice between Xeon E5-2650 v4 and Xeon D-1520, ask them in Comments section, and we shall answer.

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