Xeon D-1520 vs E3-1245 v2

Primary Details

Comparing Xeon E3-1245 v2 and Xeon D-1520 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1311	1502
Place by popularity	not in top-100	not in top-100
Cost-Effectiveness Evaluation	1.72	0.40
Market segment	Server	Server
Series	no data	Intel Xeon D
Architecture codename	Ivy Bridge (2012−2013)	Broadwell (2015−2019)
Release date	14 May 2012 (11 years ago)	9 March 2015 (9 years ago)
Launch price (MSRP)	$462	$199
Current price	$235 (0.5x MSRP)	$595 (3x MSRP)

Cost-Effectiveness Evaluation

Performance per price, higher is better.

Xeon E3-1245 v2 has 330% better value for money than Xeon D-1520.

Detailed Specifications

Xeon E3-1245 v2 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	4 (Quad-Core)	4 (Quad-Core)
Threads	8	8
Base clock speed	3.4 GHz	2.2 GHz
Boost clock speed	3.8 GHz	2.6 GHz
L1 cache	64 KB (per core)	64K (per core)
L2 cache	256 KB (per core)	256K (per core)
L3 cache	8 MB (shared)	1.5 MB (per core)
Chip lithography	22 nm	14 nm
Die size	160 mm2	246.24 mm2
Maximum core temperature	no data	80 °C
Maximum case temperature (TCase)	no data	80 °C
Number of transistors	1,400 million	3,200 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Xeon E3-1245 v2 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	1	1
Socket	FCLGA1155	FCBGA1667
Power consumption (TDP)	77 Watt	45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E3-1245 v2 and Xeon D-1520. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX	Intel® AVX2
AES-NI	+	+
AVX	+	+
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
GPIO	no data	+
FDI	+	no data
Fast Memory Access	+	no data
Status	Discontinued	Launched

Security technologies

Xeon E3-1245 v2 and Xeon D-1520 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 E3-1245 v2 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 E3-1245 v2 and Xeon D-1520. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4
Maximum memory size	32.77 GB	128 GB
Max memory channels	2	2
Maximum memory bandwidth	25.6 GB/s	34.124 GB/s
ECC memory support	+	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD P4000	no data
Quick Sync Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	1.25 GHz	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Xeon E3-1245 v2 and Xeon D-1520 integrated GPUs.

Number of displays supported

3

no data

Peripherals

Specifications and connection of peripherals supported by Xeon E3-1245 v2 and Xeon D-1520.

PCIe version	3.0	2.0/3.0
PCI Express lanes	no data	32
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.

E3-1245 v2 outperforms D-1520 by 28% based on our aggregated benchmark results.

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Pros & Cons Summary

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Performance score	4.08	3.18
Recency	14 May 2012	9 March 2015
Cost	$462	$199
Chip lithography	22 nm	14 nm
Power consumption (TDP)	77 Watt	45 Watt

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Should you still have questions on choice between Xeon E3-1245 v2 and Xeon D-1520, ask them in Comments section, and we shall answer.

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