A8-7650K vs Xeon E5-2686 v4

Primary details

Comparing Xeon E5-2686 v4 and A8-7650K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	608	1945
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	0.31
Market segment	Server	Desktop processor
Series	Intel Xeon E5	AMD A-Series (Desktop)
Power efficiency	8.30	1.96
Architecture codename	Broadwell (2015−2019)	Kaveri (2014−2015)
Release date	20 June 2016 (8 years ago)	7 January 2015 (9 years ago)
Launch price (MSRP)	no data	$152

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E5-2686 v4 and A8-7650K 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	18 (Octadeca-Core)	4 (Quad-Core)
Threads	36	4
Base clock speed	2.3 GHz	3.3 GHz
Boost clock speed	3 GHz	3.8 GHz
Bus type	QPI	no data
Bus rate	2 × 9.6 GT/s	no data
Multiplier	23	no data
L1 cache	no data	256 KB
L2 cache	4.5 MB	4096 KB
L3 cache	45 MB	no data
Chip lithography	14 nm	28 nm
Die size	456.12 mm2	245 mm2
Maximum core temperature	no data	72 °C
Number of transistors	7200 Million	2,411 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	-	+

Compatibility

Information on Xeon E5-2686 v4 and A8-7650K 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 (Multiprocessor)	1
Socket	no data	FM2+
Power consumption (TDP)	145 Watt	95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2686 v4 and A8-7650K. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	SSE1-4a, AVX, AES, FMA4, VT
AES-NI	+	+
FMA	-	+
AVX	+	+
FRTC	-	+
FreeSync	-	+
DualGraphics	-	+
TrueAudio	-	+
PowerNow	-	+
PowerGating	-	+
Out-of-band client management	-	+
VirusProtect	-	+
HSA	-	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	no data
TSX	+	-

Security technologies

Xeon E5-2686 v4 and A8-7650K technologies aimed at improving security, for example, by protecting against hacks.

TXT

+

no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2686 v4 and A8-7650K are enumerated here.

AMD-V	-	+
IOMMU 2.0	-	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2686 v4 and A8-7650K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	no data	DDR3-2133
Maximum memory size	1,536 GB	no data
Max memory channels	no data	2

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	no data	AMD Radeon R7 Graphics
iGPU core count	no data	6
จำนวนพาธไลน์	no data	384
Enduro	-	+
Switchable graphics	-	+
UVD	-	+
VCE	-	+

Graphics interfaces

Available interfaces and connections of Xeon E5-2686 v4 and A8-7650K integrated GPUs.

DisplayPort	-	+
HDMI	-	+

Graphics API support

APIs supported by Xeon E5-2686 v4 and A8-7650K integrated GPUs, sometimes API versions are included.

DirectX	no data	DirectX® 12
Vulkan	-	+

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2686 v4 and A8-7650K.

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	12.72	1.97
Recency	20 June 2016	7 January 2015
Physical cores	18	4
Threads	36	4
Chip lithography	14 nm	28 nm
Power consumption (TDP)	145 Watt	95 Watt

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Should you still have questions on choice between Xeon E5-2686 v4 and A8-7650K, ask them in Comments section, and we shall answer.

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