Xeon E3-1265L v2 vs E3-1265L v4

Primary details

Comparing Xeon E3-1265L v4 and Xeon E3-1265L v2 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1235	1477
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	2.08
Market segment	Server	Server
Architecture codename	Broadwell-DT (2015)	Ivy Bridge (2012−2013)
Release date	2 June 2015 (8 years ago)	14 May 2012 (12 years ago)
Launch price (MSRP)	no data	$142
Current price	no data	$90 (0.6x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E3-1265L v4 and Xeon E3-1265L v2 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	2.3 GHz	2.5 GHz
Boost clock speed	3.3 GHz	3.5 GHz
L1 cache	64K (per core)	64 KB (per core)
L2 cache	256K (per core)	256 KB (per core)
L3 cache	6 MB (shared)	8 MB (shared)
Chip lithography	14 nm	22 nm
Die size	182 mm2	160 mm2
Number of transistors	no data	1,400 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Xeon E3-1265L v4 and Xeon E3-1265L v2 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	FCLGA1155
Power consumption (TDP)	35 Watt	45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E3-1265L v4 and Xeon E3-1265L v2. 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® AVX
AES-NI	+	+
AVX	+	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
eDRAM	128 MB	no data
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	-
Idle States	+	+
FDI	+	+
Status	Discontinued	Discontinued

Security technologies

Xeon E3-1265L v4 and Xeon E3-1265L v2 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Identity Protection	no data	+
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E3-1265L v4 and Xeon E3-1265L v2 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E3-1265L v4 and Xeon E3-1265L v2. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3L-1333, DDR3L-1600, DDR3L-1866	DDR3
Maximum memory size	32 GB	32.77 GB
Max memory channels	2	2
Maximum memory bandwidth	29.8 GB/s	no data
ECC memory support	+	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel Iris Pro P6300	Intel HD Graphics 2500
Max video memory	32 GB	no data
Quick Sync Video	+	+
Clear Video	+	+
Clear Video HD	no data	+
Graphics max frequency	1.05 GHz	1.15 GHz
Execution Units	48	no data
InTru 3D	no data	+

Graphics interfaces

Available interfaces and connections of Xeon E3-1265L v4 and Xeon E3-1265L v2 integrated GPUs.

Number of displays supported

3

3

Peripherals

Specifications and connection of peripherals supported by Xeon E3-1265L v4 and Xeon E3-1265L v2.

PCIe version	3.0	3.0
PCI Express lanes	16	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.

E3-1265L v4 outperforms E3-1265L v2 by 34% based on our aggregated benchmark results.

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Pros & cons summary

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Performance score	4.50	3.35
Recency	2 June 2015	14 May 2012
Chip lithography	14 nm	22 nm
Power consumption (TDP)	35 Watt	45 Watt

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Should you still have questions on choice between Xeon E3-1265L v4 and Xeon E3-1265L v2, ask them in Comments section, and we shall answer.

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