Xeon E7-2870 vs i7-2820QM

Primary details

Comparing Core i7-2820QM and Xeon E7-2870 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1686	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Server
Series	Intel Core i7	Intel Xeon E7
Power efficiency	5.80	no data
Architecture codename	Sandy Bridge (2011−2013)	Westmere (2010−2011)
Release date	3 January 2011 (13 years ago)	5 April 2011 (13 years ago)
Launch price (MSRP)	$568	$4,227

Detailed specifications

Core i7-2820QM and Xeon E7-2870 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	4 (Quad-Core)	10 (Deca-Core)
Threads	8	20
Base clock speed	2.3 GHz	2.4 GHz
Boost clock speed	3.4 GHz	2.8 GHz
Bus type	DMI 2.0	QPI
Bus rate	4 × 5 GT/s	6.4 GT/s
Multiplier	23	18
L1 cache	64K (per core)	640 KB
L2 cache	256K (per core)	2.56 MB
L3 cache	8 MB (shared)	30 MB
Chip lithography	32 nm	32 nm
Die size	216 mm2	513 mm2
Maximum core temperature	100 °C	69 °C
Number of transistors	1,160 million	2600 Million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Core i7-2820QM and Xeon E7-2870 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 (Uniprocessor)	2 (Multiprocessor)
Socket	FCBGA1224,FCPGA988,PPGA988	LGA1567
Power consumption (TDP)	45 Watt	130 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-2820QM and Xeon E7-2870. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX	Intel® SSE4.1, Intel® SSE4.2
AES-NI	+	+
FMA	+	-
AVX	+	-
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
My WiFi	+	no data
Turbo Boost Technology	2.0	1.0
Hyper-Threading Technology	+	+
Idle States	+	no data
Thermal Monitoring	+	+
Flex Memory Access	+	no data
Demand Based Switching	-	no data
FDI	+	no data
Fast Memory Access	+	no data

Security technologies

Core i7-2820QM and Xeon E7-2870 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Identity Protection	+	-
Anti-Theft	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-2820QM and Xeon E7-2870 are enumerated here.

AMD-V	+	-
VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-2820QM and Xeon E7-2870. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-1066, DDR3-1333, DDR3-1600	DDR3-800, DDR3-978, DDR3-1066, DDR3-1333, Speed-1066
Maximum memory size	32 GB	1 TB
Max memory channels	2	4
Maximum memory bandwidth	25.598 GB/s	34.113 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics 3000	no data
Quick Sync Video	+	-
Clear Video HD	+	no data
Graphics max frequency	1.3 GHz	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i7-2820QM and Xeon E7-2870 integrated GPUs.

Number of displays supported	2	no data
eDP	+	no data
DisplayPort	+	-
HDMI	+	-
SDVO	+	no data
CRT	+	no data

Peripherals

Specifications and connection of peripherals supported by Core i7-2820QM and Xeon E7-2870.

PCIe version	2.0	no data
PCI Express lanes	16	no data

Pros & cons summary

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Recency	3 January 2011	5 April 2011
Physical cores	4	10
Threads	8	20
Power consumption (TDP)	45 Watt	130 Watt

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Should you still have questions on choice between Core i7-2820QM and Xeon E7-2870, ask them in Comments section, and we shall answer.

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