Intel Xeon E3-1585L v5 vs E3-1240 v5

General info

Comparing Xeon E3-1240 v5 and Xeon E3-1585L v5 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	920	948
Value for money	2.17	5.36
Market segment	Server	Server
Series	Intel Xeon E3	Intel Xeon E3
Architecture codename	Skylake (2015−2016)	Skylake (2015−2016)
Release date	19 October 2015 (7 years old)	31 May 2016 (6 years old)
Launch price (MSRP)	$282	$445
Current price	$479 (1.7x MSRP)	$282 (0.6x MSRP)

Technical specs

Xeon E3-1240 v5 and Xeon E3-1585L 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	3.5 GHz	3 GHz
Boost clock speed	3.9 GHz	3.7 GHz
Bus support	4 × 8 GT/s	4 × 8 GT/s
L1 cache	256 KB	256 KB
L2 cache	1 MB	1 MB
L3 cache	8 MB	8 MB
Chip lithography	14 nm	14 nm
Die size	122 mm2	no data
Maximum core temperature	no data	100 °C
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	-	-

Compatibility

Information on Xeon E3-1240 v5 and Xeon E3-1585L 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	FCLGA1151	FCBGA1440
Power consumption (TDP)	80 Watt	45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E3-1240 v5 and Xeon E3-1585L 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)	+	+
Enhanced SpeedStep (EIST)	+	+
eDRAM	no data	128 MB
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	+
TSX	+	+
Idle States	+	+
Thermal Monitoring	+	no data
FDI	no data	+

Security technologies

Xeon E3-1240 v5 and Xeon E3-1585L v5 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	+	no data
MPX	+	no data
SGX	Yes with both Intel® SPS and Intel® ME	no data
OS Guard	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E3-1240 v5 and Xeon E3-1585L v5 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E3-1240 v5 and Xeon E3-1585L v5. Depending on the motherboards, higher memory frequencies may be supported.

Supported memory types	DDR4-1866, DDR4-2133, DDR3L-1333, DDR3L-1600	LPDDR3-1600, DDR4-2133
Maximum memory size	64 GB	64 GB
Max memory channels	2	2
Maximum memory bandwidth	34.1 GB/s	34.134 GB/s
ECC memory support	+	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	no data	Intel Iris Pro Graphics P580
Max video memory	no data	64 GB
Quick Sync Video	-	-
Clear Video	-	-
Clear Video HD	-	-
Graphics max frequency	no data	1.15 GHz
Execution Units	no data	72
InTru 3D	-	-

Graphics interfaces

Available interfaces and connections of Xeon E3-1240 v5 and Xeon E3-1585L v5 integrated GPUs.

Number of displays supported

no data

-

Graphics image quality

Maximum display resolutions supported by Xeon E3-1240 v5 and Xeon E3-1585L v5 integrated GPUs, including resolutions over different interfaces.

4K resolution support	-	-
Max resolution over HDMI 1.4	N/A	-
Max resolution over eDP	N/A	-
Max resolution over DisplayPort	N/A	-
Max resolution over VGA	N/A	-

Graphics API support

APIs supported by Xeon E3-1240 v5 and Xeon E3-1585L v5 integrated GPUs, sometimes API versions are included.

DirectX	N/A	-
OpenGL	N/A	-

Peripherals

Specifications and connection of peripherals supported by Xeon E3-1240 v5 and Xeon E3-1585L 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.

E3-1240 v5 outperforms E3-1585L v5 by 4% in our combined benchmark results.

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Advantages and disadvantages

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Performance score	6.59	6.36
Recency	19 October 2015	31 May 2016
Cost	$282	$445
Boost clock speed	3500	3000
Power consumption (TDP)	80 Watt	45 Watt

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Should you still have questions on choice between Xeon E3-1240 v5 and Xeon E3-1585L v5, ask them in Comments section, and we shall answer.

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