Xeon D-1813NT vs Core i5-520E

Primary details

Comparing Core i5-520E and Xeon D-1813NT processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	not rated	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Server
Series	Intel Core i5	no data
Architecture codename	Westmere (2010−2011)	no data
Release date	7 January 2010 (14 years ago)	1 October 2023 (less than a year ago)
Launch price (MSRP)	$210	no data
Current price	$2235 (10.6x MSRP)	no data

Detailed specifications

Core i5-520E and Xeon D-1813NT 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	2 (Dual-core)	4 (Quad-Core)
Threads	4	8
Base clock speed	no data	2.2 GHz
Boost clock speed	2.4 GHz	2.4 GHz
Bus support	1 × 2.5 GT/s	no data
L1 cache	128 KB	no data
L2 cache	512 KB	no data
L3 cache	3 MB	10240 KB
Chip lithography	32 nm	no data
Die size	81 mm2	no data
Number of transistors	382 Million	no data
64 bit support	+	+
Windows 11 compatibility	-	no data
Unlocked multiplier	No	No

Compatibility

Information on Core i5-520E and Xeon D-1813NT 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 (Uniprocessor)	no data
Socket	no data	FCBGA2227
Power consumption (TDP)	35 Watt	42 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-520E and Xeon D-1813NT. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® AVX-512
AES-NI	+	+
FMA	+	no data
Enhanced SpeedStep (EIST)	+	+
QuickAssist	no data	+
Turbo Boost Technology	no data	2.0
Hyper-Threading Technology	no data	+
Thermal Monitoring	no data	+
Status	no data	Launched

Security technologies

Core i5-520E and Xeon D-1813NT technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	-
EDB	no data	+
SGX	no data	Yes with Intel® SPS

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-520E and Xeon D-1813NT are enumerated here.

VT-d	+	+
VT-x	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-520E and Xeon D-1813NT. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-1066	DDR4
Maximum memory size	8 GB	256 GB
Max memory channels	2	2
Maximum memory bandwidth	17.051 GB/s	no data
ECC memory support	+	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

Intel HD Graphics

no data

Peripherals

Specifications and connection of peripherals supported by Core i5-520E and Xeon D-1813NT.

PCIe version	2.0	4.0
PCI Express lanes	16	16
USB revision	no data	3.0
Max number of SATA 6 Gb/s Ports	no data	24
Number of USB ports	no data	4
Integrated LAN	no data	+

Pros & cons summary

---

Recency	7 January 2010	1 October 2023
Physical cores	2	4
Threads	4	8
Power consumption (TDP)	35 Watt	42 Watt

---

Should you still have questions on choice between Core i5-520E and Xeon D-1813NT, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.

---