A10-7860K vs Xeon E5-2640 v3

Primary details

Comparing Xeon E5-2640 v3 and A10-7860K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	998	1887
Place by popularity	not in top-100	not in top-100
Market segment	Server	Desktop processor
Power efficiency	7.37	3.02
Architecture codename	Haswell-EP (2014−2015)	Godaveri (2014−2016)
Release date	8 September 2014 (10 years ago)	2 February 2016 (8 years ago)

Detailed specifications

Xeon E5-2640 v3 and A10-7860K 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	8 (Octa-Core)	4 (Quad-Core)
Threads	16	4
Base clock speed	2.6 GHz	3.6 GHz
Boost clock speed	3.4 GHz	4 GHz
Bus rate	8 GT/s	no data
L1 cache	64K (per core)	256 KB
L2 cache	256K (per core)	4096 KB
L3 cache	20 MB (shared)	no data
Chip lithography	22 nm	28 nm
Die size	356 mm2	245 mm2
Maximum core temperature	74 °C	71 °C
Maximum case temperature (TCase)	no data	72 °C
Number of transistors	2,600 million	2,411 million
64 bit support	+	+
Windows 11 compatibility	-	no data
Unlocked multiplier	-	+

Compatibility

Information on Xeon E5-2640 v3 and A10-7860K 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	2	1
Socket	FCLGA2011	FM2+
Power consumption (TDP)	90 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2640 v3 and A10-7860K. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX2	no data
AES-NI	+	+
FMA	-	+
AVX	+	+
FRTC	-	+
FreeSync	-	+
PowerTune	-	+
DualGraphics	-	+
TrueAudio	-	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
Idle States	+	no data
Thermal Monitoring	+	-
Flex Memory Access	-	no data
Demand Based Switching	+	no data
PAE	46 Bit	no data

Security technologies

Xeon E5-2640 v3 and A10-7860K technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data
Secure Key	+	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2640 v3 and A10-7860K 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 E5-2640 v3 and A10-7860K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-1600, DDR4-1866	DDR3-2133
Maximum memory size	768 GB	no data
Max memory channels	4	2
Maximum memory bandwidth	59 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	no data	AMD Radeon R7 Graphics
iGPU core count	no data	8
Number of pipelines	no data	512
Enduro	-	+
Switchable graphics	-	+
UVD	-	+
VCE	-	+

Graphics interfaces

Available interfaces and connections of Xeon E5-2640 v3 and A10-7860K integrated GPUs.

DisplayPort	-	+
HDMI	-	+

Graphics API support

APIs supported by Xeon E5-2640 v3 and A10-7860K integrated GPUs, sometimes API versions are included.

DirectX	no data	DirectX® 12
Vulkan	-	+

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2640 v3 and A10-7860K.

PCIe version	3.0	3.0
PCI Express lanes	40	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	7.14	2.11
Recency	8 September 2014	2 February 2016
Physical cores	8	4
Threads	16	4
Chip lithography	22 nm	28 nm
Power consumption (TDP)	90 Watt	65 Watt

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Should you still have questions on choice between Xeon E5-2640 v3 and A10-7860K, ask them in Comments section, and we shall answer.

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