Athlon X4 840 vs Xeon E3-1240 v6

Primary details

Comparing Xeon E3-1240 v6 and Athlon X4 840 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1167	1891
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	6.19	no data
Market segment	Server	Desktop processor
Series	Intel Xeon E3	4x Athlon
Power efficiency	7.15	3.04
Architecture codename	Kaby Lake (2016−2019)	Kaveri (2014−2015)
Release date	28 March 2017 (7 years ago)	August 2014 (10 years ago)
Launch price (MSRP)	$272	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E3-1240 v6 and Athlon X4 840 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	4
Base clock speed	3.7 GHz	3.1 GHz
Boost clock speed	4.1 GHz	3.8 GHz
Bus type	DMI 3.0	no data
Bus rate	8 GT/s	no data
Multiplier	37	no data
L1 cache	256 KB	256K
L2 cache	1 MB	4 MB
L3 cache	8 MB	no data
Chip lithography	14 nm	28 nm
Die size	no data	245 mm2
Maximum case temperature (TCase)	no data	72 °C
Number of transistors	no data	2,411 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	-	+

Compatibility

Information on Xeon E3-1240 v6 and Athlon X4 840 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 (Uniprocessor)	1
Socket	FCLGA1151	Socket FM2+
Power consumption (TDP)	72 Watt	65 watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E3-1240 v6 and Athlon X4 840. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	no data
AES-NI	+	+
FMA	-	+
AVX	+	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	-
Idle States	+	no data
Thermal Monitoring	+	-

Security technologies

Xeon E3-1240 v6 and Athlon X4 840 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E3-1240 v6 and Athlon X4 840 are enumerated here.

AMD-V	-	+
VT-d	+	no data
VT-x	+	no data
EPT	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E3-1240 v6 and Athlon X4 840. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2400, DDR3L-1866	DDR3
Maximum memory size	64 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	38.397 GB/s	no data
ECC memory support	+	-

Graphics image quality

Maximum display resolutions supported by Xeon E3-1240 v6 and Athlon X4 840 integrated GPUs, including resolutions over different interfaces.

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

Graphics API support

APIs supported by Xeon E3-1240 v6 and Athlon X4 840 integrated GPUs, sometimes API versions are included.

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

Peripherals

Specifications and connection of peripherals supported by Xeon E3-1240 v6 and Athlon X4 840.

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	5.44	2.09
Recency	28 March 2017	on August 2014
Threads	8	4
Chip lithography	14 nm	28 nm
Power consumption (TDP)	72 Watt	65 Watt

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Should you still have questions on choice between Xeon E3-1240 v6 and Athlon X4 840, ask them in Comments section, and we shall answer.

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