Xeon E-2456 vs i7-2657M

Primary details

Comparing Core i7-2657M and Xeon E-2456 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2458	465
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	92.68
Market segment	Laptop	Server
Series	Intel Core i7	no data
Power efficiency	5.52	17.68
Architecture codename	Sandy Bridge (2011−2013)	Raptor Lake-S (2023−2024)
Release date	3 January 2011 (13 years ago)	14 December 2023 (less than a year ago)
Launch price (MSRP)	$317	$375

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i7-2657M and Xeon E-2456 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)	6 (Hexa-Core)
Threads	4	12
Base clock speed	1.6 GHz	3.3 GHz
Boost clock speed	2.7 GHz	5.1 GHz
Bus type	DMI 2.0	no data
Bus rate	4 × 5 GT/s	16 GT/s
Multiplier	16	no data
L1 cache	128 KB	80 KB (per core)
L2 cache	512 KB	1.25 MB (per core)
L3 cache	4 MB	18 MB (shared)
Chip lithography	32 nm	Intel 7 nm
Die size	149 mm2	163 mm2
Maximum core temperature	100 °C	100 °C
Number of transistors	624 Million	no data
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on Core i7-2657M and Xeon E-2456 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)	1
Socket	FCBGA1023	FCLGA1700
Power consumption (TDP)	17 Watt	80 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-2657M and Xeon E-2456. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+	+
FMA	+	-
AVX	+	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
My WiFi	+	no data
Turbo Boost Technology	+	2
Hyper-Threading Technology	+	+
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	+	no data
Demand Based Switching	-	no data
Turbo Boost Max 3.0	no data	-
FDI	+	no data
Fast Memory Access	+	no data

Security technologies

Core i7-2657M and Xeon E-2456 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-2657M and Xeon E-2456 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-2657M and Xeon E-2456. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-1066, DDR3-1333	DDR5-4800
Maximum memory size	8.01 GB	128 GB
Max memory channels	2	2
Maximum memory bandwidth	21.335 GB/s	no data
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics 3000	N/A
Quick Sync Video	+	-
Clear Video HD	+	no data
Graphics max frequency	1 GHz	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i7-2657M and Xeon E-2456 integrated GPUs.

Number of displays supported	2	no data
eDP	+	no data
DisplayPort	+	-
HDMI	+	-
SDVO	+	no data
CRT	+	no data

Peripherals

Specifications and connection of peripherals supported by Core i7-2657M and Xeon E-2456.

PCIe version	2.0	5
PCI Express lanes	16	16

Pros & cons summary

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Performance score	1.03	15.51
Recency	3 January 2011	14 December 2023
Physical cores	2	6
Threads	4	12
Power consumption (TDP)	17 Watt	80 Watt

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Should you still have questions on choice between Core i7-2657M and Xeon E-2456, ask them in Comments section, and we shall answer.

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