Xeon E5-2620 v3 vs Core i7-6900K

General info

Comparing Core i7-6900K and Xeon E5-2620 v3 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	743	1125
Place by popularity	not in top-100	not in top-100
Value for money	5.57	3.01
Market segment	Desktop processor	Server
Architecture codename	Broadwell-E (2016)	Haswell-EP (2014)
Release date	31 May 2016 (7 years ago)	8 September 2014 (9 years ago)
Launch price (MSRP)	$1,020	no data
Current price	$236 (0.2x MSRP)	$43

Value for money

Performance per price, higher is better.

i7-6900K has 85% better value for money than Xeon E5-2620 v3.

Technical specs

Core i7-6900K and Xeon E5-2620 v3 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)	6 (Hexa-Core)
Threads	16	12
Base clock speed	3.2 GHz	2.4 GHz
Boost clock speed	4 GHz	3.2 GHz
L1 cache	32 KB (per core)	64K (per core)
L2 cache	256 KB (per core)	256K (per core)
L3 cache	20 MB (shared)	15 MB (shared)
Chip lithography	14 nm	22 nm
Die size	no data	356 mm2
Maximum core temperature	67°	73 °C
Maximum case temperature (TCase)	72 °C	no data
Number of transistors	no data	2,600 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	Yes	No

Compatibility

Information on Core i7-6900K and Xeon E5-2620 v3 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	2
Socket	FCLGA2011	FCLGA2011
Power consumption (TDP)	140 Watt	85 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-6900K and Xeon E5-2620 v3. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® AVX2
AES-NI	+	+
AVX	+	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	no data	-
Idle States	+	+
Thermal Monitoring	no data	+
Flex Memory Access	no data	-
Smart Response	+	no data
Demand Based Switching	no data	+
PAE	no data	46 Bit
Turbo Boost Max 3.0	+	no data
Status	Discontinued	Discontinued

Security technologies

Core i7-6900K and Xeon E5-2620 v3 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	no data	+
Identity Protection	no data	-
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-6900K and Xeon E5-2620 v3 are enumerated here.

VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-6900K and Xeon E5-2620 v3. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR4-1600, DDR4-1866
Maximum memory size	128 GB	768 GB
Max memory channels	4	4
Maximum memory bandwidth	no data	59 GB/s
ECC memory support	-	+

Peripherals

Specifications and connection of peripherals supported by Core i7-6900K and Xeon E5-2620 v3.

PCIe version	3.0	3.0
PCI Express lanes	40	40

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.

Core i7-6900K outperforms Xeon E5-2620 v3 by 85% based on our aggregated benchmark results.

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Advantages and disadvantages

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Performance score	9.34	5.05
Recency	31 May 2016	8 September 2014
Physical cores	8	6
Threads	16	12
Chip lithography	14 nm	22 nm
Power consumption (TDP)	140 Watt	85 Watt

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Should you still have questions on choice between Core i7-6900K and Xeon E5-2620 v3, ask them in Comments section, and we shall answer.

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