Xeon Silver 4509Y vs i5-520E

Primary details

Comparing Core i5-520E and Xeon Silver 4509Y processor market type (desktop or notebook), architecture, sales start time and price.

Place in the 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)	Sapphire Rapids (2023−2024)
Release date	7 January 2010 (14 years ago)	14 December 2023 (less than a year ago)
Launch price (MSRP)	$210	$563

Detailed specifications

Core i5-520E and Xeon Silver 4509Y 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)	8 (Octa-Core)
Threads	4	16
Base clock speed	no data	2.6 GHz
Boost clock speed	2.4 GHz	4.1 GHz
Bus type	DMI 1.0	no data
Bus rate	1 × 2.5 GT/s	no data
Multiplier	18	no data
L1 cache	128 KB	80 KB (per core)
L2 cache	512 KB	2 MB (per core)
L3 cache	3 MB	22.5 MB (shared)
Chip lithography	32 nm	Intel 7 nm
Die size	81 mm2	no data
Maximum case temperature (TCase)	no data	84 °C
Number of transistors	382 Million	no data
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on Core i5-520E and Xeon Silver 4509Y 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)	2
Socket	no data	FCLGA4677
Power consumption (TDP)	35 Watt	125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-520E and Xeon Silver 4509Y. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
FMA	+	-
AVX	-	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Turbo Boost Technology	no data	2.0
Hyper-Threading Technology	no data	+
TSX	-	+
Deep Learning Boost	-	+

Security technologies

Core i5-520E and Xeon Silver 4509Y technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	no data	+
SGX	no data	Yes with Intel® SPS
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-520E and Xeon Silver 4509Y are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-520E and Xeon Silver 4509Y. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-1066	DDR5 @ 4400 MT/s (1 DPC &2DPC)
Maximum memory size	8 GB	4 TB
Max memory channels	2	8
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

N/A

Peripherals

Specifications and connection of peripherals supported by Core i5-520E and Xeon Silver 4509Y.

PCIe version	2.0	5
PCI Express lanes	16	80

Pros & cons summary

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Recency	7 January 2010	14 December 2023
Physical cores	2	8
Threads	4	16
Power consumption (TDP)	35 Watt	125 Watt

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Should you still have questions on choice between Core i5-520E and Xeon Silver 4509Y, ask them in Comments section, and we shall answer.

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