Xeon E3-1265L v4 vs E3-1246 v3

Primary details

Comparing Xeon E3-1246 v3 and Xeon E3-1265L v4 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1291	1342
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Power efficiency	5.17	11.84
Architecture codename	no data	Broadwell-DT (2015)
Release date	1 April 2014 (10 years ago)	2 June 2015 (9 years ago)

Detailed specifications

Xeon E3-1246 v3 and Xeon E3-1265L v4 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	3.5 GHz	2.3 GHz
Boost clock speed	3.9 GHz	3.3 GHz
Bus rate	5 GT/s	5 GT/s
L1 cache	no data	64K (per core)
L2 cache	no data	256K (per core)
L3 cache	8 MB Intel® Smart Cache	6 MB (shared)
Chip lithography	22 nm	14 nm
Die size	no data	182 mm2
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Xeon E3-1246 v3 and Xeon E3-1265L v4 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	FCLGA1150
Power consumption (TDP)	84 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E3-1246 v3 and Xeon E3-1265L v4. 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	no data	+
Enhanced SpeedStep (EIST)	+	+
eDRAM	no data	128 MB
My WiFi	-	no data
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	+
Idle States	+	+
Thermal Monitoring	+	-
Flex Memory Access	+	no data
SIPP	+	-
FDI	+	+
Fast Memory Access	+	no data

Security technologies

Xeon E3-1246 v3 and Xeon E3-1265L v4 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E3-1246 v3 and Xeon E3-1265L v4 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E3-1246 v3 and Xeon E3-1265L v4. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3L-1333, DDR3L-1600	DDR3L-1333, DDR3L-1600, DDR3L-1866
Maximum memory size	32 GB	32 GB
Max memory channels	2	2
Maximum memory bandwidth	25.6 GB/s	29.8 GB/s
ECC memory support	+	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	no data	Intel Iris Pro P6300
Max video memory	1.7 GB	32 GB
Quick Sync Video	+	+
Clear Video	no data	+
Clear Video HD	+	no data
Graphics max frequency	1.2 GHz	1.05 GHz
Execution Units	20	48
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Xeon E3-1246 v3 and Xeon E3-1265L v4 integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Xeon E3-1246 v3 and Xeon E3-1265L v4 integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	3840x2160@60Hz	no data
Max resolution over DisplayPort	3840x2160@60Hz	no data
Max resolution over VGA	2880x1800@60Hz	no data

Graphics API support

APIs supported by Xeon E3-1246 v3 and Xeon E3-1265L v4 integrated GPUs, sometimes API versions are included.

DirectX	11.2	no data
OpenGL	4.3	no data

Peripherals

Specifications and connection of peripherals supported by Xeon E3-1246 v3 and Xeon E3-1265L v4.

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.

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Pros & cons summary

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Performance score	4.68	4.46
Recency	1 April 2014	2 June 2015
Chip lithography	22 nm	14 nm
Power consumption (TDP)	84 Watt	35 Watt

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Should you still have questions on choice between Xeon E3-1246 v3 and Xeon E3-1265L v4, ask them in Comments section, and we shall answer.

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