i5-2477M vs Xeon E3-1281 v3

Primary details

Comparing Xeon E3-1281 v3 and Core i5-2477M processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1243	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Server	Laptop
Series	no data	Intel Core i5
Architecture codename	no data	Sandy Bridge (2011−2013)
Release date	1 April 2014 (10 years ago)	no data

Detailed specifications

Xeon E3-1281 v3 and Core i5-2477M 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)	2 (Dual-core)
Threads	8	4
Base clock speed	3.7 GHz	no data
Boost clock speed	4.1 GHz	1.6 GHz
Bus type	no data	DMI 2.0
Bus rate	5 GT/s	4 × 5 GT/s
Multiplier	no data	16
L1 cache	no data	128 KB
L2 cache	no data	512 KB
L3 cache	8 MB Intel® Smart Cache	3 MB
Chip lithography	22 nm	32 nm
Die size	no data	149 mm2
Number of transistors	no data	624 Million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Xeon E3-1281 v3 and Core i5-2477M 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 (Uniprocessor)
Socket	FCLGA1150	no data
Power consumption (TDP)	82 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E3-1281 v3 and Core i5-2477M. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	no data
AES-NI	+	+
FMA	-	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	-
Idle States	+	no data
Thermal Monitoring	+	-
Flex Memory Access	+	no data
SIPP	+	-
Fast Memory Access	+	no data
Status	Discontinued	no data

Security technologies

Xeon E3-1281 v3 and Core i5-2477M technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E3-1281 v3 and Core i5-2477M are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E3-1281 v3 and Core i5-2477M. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3L-1333, DDR3L-1600	DDR3-1333
Maximum memory size	32 GB	16 GB
Max memory channels	2	2
Maximum memory bandwidth	25.6 GB/s	21.335 GB/s
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

Intel HD Graphics 3000

Peripherals

Specifications and connection of peripherals supported by Xeon E3-1281 v3 and Core i5-2477M.

PCIe version	3.0	no data
PCI Express lanes	16	no data

Pros & cons summary

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Physical cores	4	2
Threads	8	4
Chip lithography	22 nm	32 nm
Power consumption (TDP)	82 Watt	35 Watt

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Should you still have questions on choice between Xeon E3-1281 v3 and Core i5-2477M, ask them in Comments section, and we shall answer.

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