Xeon E7-2850 vs Core i7-4790K

Primary details

Comparing Core i7-4790K and Xeon E7-2850 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1149	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	2.20	no data
Market segment	Desktop processor	Server
Series	Core i7 (Desktop)	Intel Xeon E7
Architecture codename	Devil's Canyon	Westmere (2010−2011)
Release date	June 2014 (10 years ago)	5 April 2011 (13 years ago)
Launch price (MSRP)	$339	$2,558

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i7-4790K and Xeon E7-2850 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	4 GHz	no data
Boost clock speed	4.4 GHz	2 GHz
Bus support	no data	6.4 GT/s
L1 cache	256 KB	640 KB
L2 cache	1 MB	2.56 MB
L3 cache	8 MB	24 MB
Chip lithography	22 nm	32 nm
Die size	177 mm2	513 mm2
Maximum core temperature	no data	69 °C
Maximum case temperature (TCase)	72 °C	no data
Number of transistors	1400 Million	2600 Million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	Yes	No

Compatibility

Information on Core i7-4790K and Xeon E7-2850 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 (Multiprocessor)
Socket	FCLGA1150	no data
Power consumption (TDP)	88 Watt	130 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-4790K and Xeon E7-2850. You'll probably need this information if you require some particular technology.

AES-NI	+	+
AVX	+	no data
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
Hyper-Threading Technology	+	no data
TSX	+	no data

Security technologies

Core i7-4790K and Xeon E7-2850 technologies aimed at improving security, for example, by protecting against hacks.

TXT

+

+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-4790K and Xeon E7-2850 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-4790K and Xeon E7-2850. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3-1066
Maximum memory size	no data	1 TiB
Max memory channels	no data	4
Maximum memory bandwidth	25.6 GB/s	34.113 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

Intel HD Graphics 4600

no data

Peripherals

Specifications and connection of peripherals supported by Core i7-4790K and Xeon E7-2850.

PCIe version	3.0	no data
PCI Express lanes	16	no data

Pros & cons summary

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Recency	on June 2014	5 April 2011
Physical cores	4	10
Threads	8	20
Chip lithography	22 nm	32 nm
Power consumption (TDP)	88 Watt	130 Watt

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Should you still have questions on choice between Core i7-4790K and Xeon E7-2850, ask them in Comments section, and we shall answer.

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