Xeon E3-1240L v5 vs E3-1265L v3

General info

Comparing Xeon E3-1265L v3 and Xeon E3-1240L v5 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1324	1283
Place by popularity	not in top-100	not in top-100
Value for money	2.76	1.49
Market segment	Server	Server
Series	no data	Intel Xeon E3
Architecture codename	Haswell-WS (2013)	Skylake (2015−2016)
Release date	2 June 2013 (10 years old)	19 October 2015 (8 years old)
Launch price (MSRP)	$710	$278
Current price	$139 (0.2x MSRP)	$282 (1x MSRP)

Xeon E3-1265L v3 has 85% better value for money than Xeon E3-1240L v5.

Technical specs

Xeon E3-1265L v3 and Xeon E3-1240L v5 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)	4 (Quad-Core)
Threads	8	8
Base clock speed	2.5 GHz	2.1 GHz
Boost clock speed	3.7 GHz	3.2 GHz
Bus support	no data	4 × 8 GT/s
L1 cache	64 KB (per core)	256 KB
L2 cache	256 KB (per core)	1 MB
L3 cache	8192 KB (shared)	8 MB
Chip lithography	22 nm	14 nm
Die size	160 mm2	122 mm2
Number of transistors	1,400 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Xeon E3-1265L v3 and Xeon E3-1240L v5 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	FCLGA1151
Power consumption (TDP)	45 Watt	25 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E3-1265L v3 and Xeon E3-1240L v5. 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, Intel® AVX2
AES-NI	+	+
AVX	+	+
vPro	+	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	+
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	+	no data
SIPP	+	no data
FDI	+	no data
Fast Memory Access	+	no data
Status	Discontinued	Discontinued

Security technologies

Xeon E3-1265L v3 and Xeon E3-1240L v5 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	+	+
MPX	no data	+
Identity Protection	+	no data
SGX	no data	Yes with both Intel® SPS and Intel® ME
OS Guard	+	+
Anti-Theft	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E3-1265L v3 and Xeon E3-1240L v5 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E3-1265L v3 and Xeon E3-1240L v5. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3, DDR4	DDR4-1866, DDR4-2133, DDR3L-1333, DDR3L-1600
Maximum memory size	32 GB	64 GB
Max memory channels	2	2
Maximum memory bandwidth	25.6 GB/s	34.1 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	no data
Quick Sync Video	+	-
Clear Video HD	+	-
Graphics max frequency	1.2 GHz	no data
InTru 3D	+	-

Graphics interfaces

Available interfaces and connections of Xeon E3-1265L v3 and Xeon E3-1240L v5 integrated GPUs.

Number of displays supported

3

no data

Graphics image quality

Maximum display resolutions supported by Xeon E3-1265L v3 and Xeon E3-1240L v5 integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	no data	N/A
Max resolution over eDP	no data	N/A
Max resolution over DisplayPort	no data	N/A
Max resolution over VGA	no data	N/A

Graphics API support

APIs supported by Xeon E3-1265L v3 and Xeon E3-1240L v5 integrated GPUs, sometimes API versions are included.

DirectX	no data	N/A
OpenGL	no data	N/A

Peripherals

Specifications and connection of peripherals supported by Xeon E3-1265L v3 and Xeon E3-1240L v5.

PCIe version	3.0	3.0
PCI Express lanes	16	16

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.

E3-1240L v5 outperforms E3-1265L v3 by 4% based on our aggregated benchmark results.

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Advantages and disadvantages

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Performance score	4.03	4.21
Recency	2 June 2013	19 October 2015
Cost	$710	$278
Chip lithography	22 nm	14 nm
Power consumption (TDP)	45 Watt	25 Watt

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Should you still have questions on choice between Xeon E3-1265L v3 and Xeon E3-1240L v5, ask them in Comments section, and we shall answer.

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