Celeron 2957U vs Xeon E3-1265L v3

Primary details

Comparing Xeon E3-1265L v3 and Celeron 2957U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1437	2838
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.81	no data
Market segment	Server	Laptop
Series	no data	Intel Celeron
Power efficiency	8.22	3.41
Architecture codename	Haswell-WS (2013−2014)	Haswell (2013−2015)
Release date	2 June 2013 (11 years ago)	1 January 2014 (10 years ago)
Launch price (MSRP)	$710	$107

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E3-1265L v3 and Celeron 2957U 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	2
Base clock speed	2.5 GHz	1.4 GHz
Boost clock speed	3.7 GHz	1.4 GHz
Bus rate	5 GT/s	5 GT/s
L1 cache	64 KB (per core)	128 KB
L2 cache	256 KB (per core)	512 KB
L3 cache	8192 KB (shared)	2 MB
Chip lithography	22 nm	22 nm
Die size	160 mm2	no data
Maximum core temperature	no data	100 °C
Number of transistors	1,400 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Xeon E3-1265L v3 and Celeron 2957U 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	FCLGA1150	FCBGA1168
Power consumption (TDP)	45 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E3-1265L v3 and Celeron 2957U. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® SSE4.1, Intel® SSE4.2
AES-NI	+	-
AVX	+	-
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2.0	-
Hyper-Threading Technology	+	-
TSX	+	-
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	+	no data
SIPP	+	-
Smart Response	no data	-
GPIO	no data	+
Smart Connect	no data	+
FDI	+	-
Fast Memory Access	+	no data
AMT	no data	9.5
Matrix Storage	no data	-
HD Audio	no data	+
RST	no data	+

Security technologies

Xeon E3-1265L v3 and Celeron 2957U technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	-
EDB	+	+
Secure Key	+	+
Identity Protection	+	-
OS Guard	+	-
Anti-Theft	+	-

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E3-1265L v3 and Celeron 2957U are enumerated here.

AMD-V	-	+
VT-d	+	-
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E3-1265L v3 and Celeron 2957U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3, DDR4	DDR3
Maximum memory size	32 GB	16 GB
Max memory channels	2	2
Maximum memory bandwidth	25.6 GB/s	25.6 GB/s
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® HD Graphics for 4th Generation Intel® Processors	Intel® HD Graphics for 4th Generation Intel® Processors
Quick Sync Video	+	+
Clear Video	no data	+
Clear Video HD	+	no data
Graphics max frequency	1.2 GHz	1 GHz
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Xeon E3-1265L v3 and Celeron 2957U integrated GPUs.

Number of displays supported	3	3
eDP	no data	+
DisplayPort	-	+
HDMI	-	+

Peripherals

Specifications and connection of peripherals supported by Xeon E3-1265L v3 and Celeron 2957U.

PCIe version	3.0	2.0
PCI Express lanes	16	10
PCI support	no data	-
USB revision	no data	3.0
Total number of SATA ports	no data	2
Max number of SATA 6 Gb/s Ports	no data	2
Integrated IDE	no data	-
Number of USB ports	no data	4
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.

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Pros & cons summary

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Performance score	3.91	0.54
Recency	2 June 2013	1 January 2014
Physical cores	4	2
Threads	8	2
Power consumption (TDP)	45 Watt	15 Watt

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Should you still have questions on choice between Xeon E3-1265L v3 and Celeron 2957U, ask them in Comments section, and we shall answer.

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