i7-820QM vs Xeon E5-2670 v3

Primary details

Comparing Xeon E5-2670 v3 and Core i7-820QM processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	883	2395
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.93	no data
Market segment	Server	Laptop
Series	Intel Xeon E5	Intel Core i7
Power efficiency	6.75	2.36
Architecture codename	Haswell-EP (2014−2015)	Clarksfield (2009−2010)
Release date	8 September 2014 (10 years ago)	23 September 2009 (15 years ago)
Launch price (MSRP)	$1,589	$546

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E5-2670 v3 and Core i7-820QM 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	12 (Dodeca-Core)	4 (Quad-Core)
Threads	24	8
Base clock speed	2.3 GHz	1.73 GHz
Boost clock speed	3.1 GHz	3.06 GHz
Bus type	QPI	DMI 1.0
Bus rate	2 × 9.6 GT/s	2.5 GT/s
Multiplier	23	13
L1 cache	64K (per core)	64 KB (per core)
L2 cache	256K (per core)	256 KB (per core)
L3 cache	30 MB (shared)	8 MB (shared)
Chip lithography	22 nm	45 nm
Die size	356 mm2	296 mm2
Maximum core temperature	85 °C	100 °C
Number of transistors	2,600 million	774 million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Xeon E5-2670 v3 and Core i7-820QM 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 (Uniprocessor)
Socket	FCLGA2011	FCPGA988,PGA988
Power consumption (TDP)	120 Watt	45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2670 v3 and Core i7-820QM. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX2	Intel® SSE4.2
AES-NI	+	-
FMA	+	-
AVX	+	-
vPro	+	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2.0	1.0
Hyper-Threading Technology	+	+
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	-	no data
Demand Based Switching	+	no data
PAE	46 Bit	36 Bit

Security technologies

Xeon E5-2670 v3 and Core i7-820QM technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2670 v3 and Core i7-820QM are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2670 v3 and Core i7-820QM. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-1600, DDR4-1866, DDR4-2133	DDR3-1066, DDR3-1333
Maximum memory size	768 GB	8 GB
Max memory channels	4	2
Maximum memory bandwidth	68 GB/s	21.335 GB/s
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

None

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2670 v3 and Core i7-820QM.

PCIe version	3.0	2
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	8.56	1.12
Recency	8 September 2014	23 September 2009
Physical cores	12	4
Threads	24	8
Chip lithography	22 nm	45 nm
Power consumption (TDP)	120 Watt	45 Watt

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Should you still have questions on choice between Xeon E5-2670 v3 and Core i7-820QM, ask them in Comments section, and we shall answer.

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