Xeon E3-1240 v5: specs and benchmarks

Summary

Intel started Xeon E3-1240 v5 sales 19 October 2015 at a recommended price of $282. This is a Skylake-DT architecture desktop processor primarily aimed at office systems. It has 4 cores and 8 threads, and is based on 14 nm manufacturing technology, with a maximum frequency of 3900 MHz and a locked multiplier.

Compatibility-wise, this is FCLGA1151,FCLGA2011 processor with a TDP of 80 Watt. It supports DDR4-1866/2133, DDR3L-1333/1600 memory.

Primary details

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

Place in the ranking	1187
Place by popularity	not in top-100
Cost-effectiveness evaluation	3.75
Market segment	Server
Series	Intel Xeon E3
Power efficiency	6.15	of 100.00 (Core Ultra 7 164U)
Architecture codename	Skylake-DT (2015)
Release date	19 October 2015 (9 years ago)
Launch price (MSRP)	$282	of 17,906 (Xeon Platinum 8280L)

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Basic microprocessor parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters can generally indicate CPU performance, but to be more precise you have to review its test results.

Physical cores	4 (Quad-Core)
Threads	8
Base clock speed	3.5 GHz	of 4.7 GHz (Ryzen 9 7900X)
Boost clock speed	3.9 GHz	of 6.2 GHz (Core i9-14900KS)
Bus type	DMI 3.0
Bus rate	4 × 8 GT/s
Multiplier	35	of 42 (Core i7-7700K)
L1 cache	64 KB (per core)	of 80 KB (EPYC 9965)
L2 cache	256 KB (per core)
L3 cache	8 MB (shared)	of 1152 MB (EPYC 9684X)
Chip lithography	14 nm	of 3 nm (Core Ultra 9 285K)
Die size	122 mm2
Number of transistors	1,750 million	of 135,240 million (EPYC 9684X)
64 bit support	+
Windows 11 compatibility	-

Compatibility

Information on Xeon E3-1240 v5 compatibility with other computer components and devices: 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 (Uniprocessor)	of 8 (Xeon Platinum 8454H)
Socket	FCLGA1151,FCLGA2011
Power consumption (TDP)	80 Watt	of 3100 ‑ 4500 (Ryzen 7 7435H)

Technologies and extensions

Technological capabilities and additional instructions supported by Xeon E3-1240 v5. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+
AVX	+
vPro	+
Enhanced SpeedStep (EIST)	+
Turbo Boost Technology	2.0
Hyper-Threading Technology	+
TSX	+
Idle States	+
Thermal Monitoring	+

Security technologies

Processor technologies aimed at improving security, for example, by protecting against hacks.

TXT	+
EDB	+
Secure Key	+
MPX	+
SGX	Yes with both Intel® SPS and Intel® ME
OS Guard	+

Virtualization technologies

Supported virtual machine optimization technologies. Some are specific to Intel only, some to AMD.

VT-d	+
VT-x	+
EPT	+

Memory specs

Types, maximum amount and channel number of RAM supported by Xeon E3-1240 v5's memory controller. Depending on the motherboard, higher memory frequency may be supported.

Supported memory types	DDR4-1866/2133, DDR3L-1333/1600
Maximum memory size	64 GB	of 6 TiB (EPYC 9654)
Max memory channels	2	of 12 (Xeon Platinum 9221)
Maximum memory bandwidth	34.134 GB/s	of 460.8 GB/s (EPYC 9654)
ECC memory support	+

Graphics specifications

General parameters of a GPU integrated into Xeon E3-1240 v5.

Integrated graphics card	N/A
Clear Video	-
Clear Video HD	-
InTru 3D	-

Graphics image quality

Maximum display resolutions supported by Xeon E3-1240 v5's integrated GPU, 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's integrated GPU, sometimes API versions are included.

DirectX	N/A
OpenGL	N/A

Peripherals

Specifications and connection types of supported peripherals.

PCIe version	3.0	of 5.0 (EPYC 9655P)
PCI Express lanes	16	of 128 (EPYC 9655P)

Benchmark performance

Single-core and multi-core benchmark results of Xeon E3-1240 v5. Overall benchmark performance 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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Closest competitors

Xeon E3-1240 v5's performance relative to its closest rivals among server CPUs.

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