Core i7-3820 vs Xeon E5-2670 v2

Primary Details

Comparing Xeon E5-2670 v2 and Core i7-3820 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	890	1377
Place by popularity	not in top-100	not in top-100
Cost-Effectiveness Evaluation	12.42	2.32
Market segment	Server	Desktop processor
Architecture codename	Ivy Bridge-EP (2013)	Sandy Bridge-E (2011−2013)
Release date	1 September 2013 (10 years ago)	February 2012 (12 years ago)
Launch price (MSRP)	$927	$400
Current price	$111 (0.1x MSRP)	$409 (1x MSRP)

Cost-Effectiveness Evaluation

Performance per price, higher is better.

Xeon E5-2670 v2 has 435% better value for money than i7-3820.

Detailed Specifications

Xeon E5-2670 v2 and Core i7-3820 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)	4 (Quad-Core)
Threads	20	8
Base clock speed	2.5 GHz	3.6 GHz
Boost clock speed	3.3 GHz	3.8 GHz
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	256 KB (per core)	256 KB (per core)
L3 cache	25 MB (shared)	10240 KB (shared)
Chip lithography	22 nm	32 nm
Die size	160 mm2	294 mm2
Maximum core temperature	82 °C	67 °C
Maximum case temperature (TCase)	no data	67 °C
Number of transistors	1,400 million	1270 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Xeon E5-2670 v2 and Core i7-3820 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	FCLGA2011
Power consumption (TDP)	115 Watt	130 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2670 v2 and Core i7-3820. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX	Intel® SSE4.2, Intel® AVX
AES-NI	+	+
AVX	+	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	-	no data
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	-	no data
Smart Response	no data	+
Demand Based Switching	+	-
PAE	46 Bit	no data
Status	Discontinued	Discontinued

Security technologies

Xeon E5-2670 v2 and Core i7-3820 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2670 v2 and Core i7-3820 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2670 v2 and Core i7-3820. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3
Maximum memory size	768 GB	64.23 GB
Max memory channels	4	4
Maximum memory bandwidth	59.7 GB/s	51.2 GB/s
ECC memory support	+	-

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2670 v2 and Core i7-3820.

PCIe version	3.0	2.0
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.

Xeon E5-2670 v2 outperforms Core i7-3820 by 97% based on our aggregated benchmark results.

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Pros & Cons Summary

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Performance score	7.31	3.72
Physical cores	10	4
Threads	20	8
Cost	$927	$400
Chip lithography	22 nm	32 nm
Power consumption (TDP)	115 Watt	130 Watt

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Should you still have questions on choice between Xeon E5-2670 v2 and Core i7-3820, ask them in Comments section, and we shall answer.

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