FX-6100 vs Xeon E5-2666 V3

Primary details

Comparing Xeon E5-2666 V3 and FX-6100 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	778	1701
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	2.99
Market segment	Server	Desktop processor
Architecture codename	Haswell-EP (2014)	Zambezi (2011−2012)
Release date	13 November 2014 (9 years ago)	12 October 2011 (12 years ago)
Current price	$59	$39

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E5-2666 V3 and FX-6100 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	10 (Deca-Core)	6 (Hexa-Core)
Threads	20	6
Base clock speed	2.9 GHz	3.3 GHz
Boost clock speed	3.5 GHz	3.9 GHz
L1 cache	64K (per core)	288 KB
L2 cache	256K (per core)	6 MB
L3 cache	25 MB (shared)	8 MB (shared)
Chip lithography	22 nm	32 nm
Die size	356 mm2	315 mm2
Number of transistors	2,600 million	1,200 million
64 bit support	+	+
Windows 11 compatibility	no data	-
Unlocked multiplier	No	Yes

Compatibility

Information on Xeon E5-2666 V3 and FX-6100 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	2011-3	AM3+
Power consumption (TDP)	135 Watt	95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2666 V3 and FX-6100. You'll probably need this information if you require some particular technology.

AES-NI	+	+
FMA	no data	+
AVX	+	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	no data
TSX	+	no data

Security technologies

Xeon E5-2666 V3 and FX-6100 technologies aimed at improving security, for example, by protecting against hacks.

TXT

+

no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2666 V3 and FX-6100 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2666 V3 and FX-6100. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR3, DDR42133 MHz Quad-channel

DDR3

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2666 V3 and FX-6100.

PCIe version	3.0	2.0
PCI Express lanes	40	no data

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.

Xeon E5-2666 V3 outperforms FX-6100 by 289% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	9.26	2.38
Recency	13 November 2014	12 October 2011
Physical cores	10	6
Threads	20	6
Chip lithography	22 nm	32 nm
Power consumption (TDP)	135 Watt	95 Watt

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Should you still have questions on choice between Xeon E5-2666 V3 and FX-6100, ask them in Comments section, and we shall answer.

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