Xeon Phi 7285 vs E5620

Primary details

Comparing Xeon E5620 and Xeon Phi 7285 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1794	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.08	no data
Market segment	Server	Server
Series	no data	Intel Xeon Phi
Power efficiency	2.67	no data
Architecture codename	Westmere-EP (2010−2011)	Knights Mill (2017)
Release date	16 March 2010 (14 years ago)	18 December 2017 (6 years ago)
Launch price (MSRP)	$35	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E5620 and Xeon Phi 7285 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)	68 (Octahexaconta-Core)
Threads	8	272
Base clock speed	2.4 GHz	1.3 GHz
Boost clock speed	2.66 GHz	1.4 GHz
Multiplier	no data	15
L1 cache	64 KB (per core)	4.25 MB
L2 cache	256 KB (per core)	34 MB
L3 cache	12 MB (shared)	0 KB (shared)
Chip lithography	32 nm	14 nm
Die size	239 mm2	no data
Maximum core temperature	78 °C	72 °C
Number of transistors	1,170 million	8,000 million
64 bit support	+	+
Windows 11 compatibility	-	-
VID voltage range	no data	0.550-1.2V

Compatibility

Information on Xeon E5620 and Xeon Phi 7285 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	FCLGA1366,LGA1366	SVLCLGA3647
Power consumption (TDP)	80 Watt	250 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5620 and Xeon Phi 7285. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2	Intel® AVX-512
AES-NI	+	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	1.0	2.0
Hyper-Threading Technology	+	no data
Idle States	+	+
Thermal Monitoring	-	+
Demand Based Switching	+	no data
PAE	40 Bit	no data
Status	Discontinued	Discontinued

Security technologies

Xeon E5620 and Xeon Phi 7285 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	-
EDB	+	+
SGX	no data	-

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5620 and Xeon Phi 7285 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5620 and Xeon Phi 7285. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4-2400
Maximum memory size	288 GB	384 GB
Max memory channels	3	6
Maximum memory bandwidth	25.6 GB/s	115.212 GB/s
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon E5620 and Xeon Phi 7285.

PCIe version	2.0	3.0
PCI Express lanes	no data	36

Pros & cons summary

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Recency	16 March 2010	18 December 2017
Physical cores	4	68
Threads	8	272
Chip lithography	32 nm	14 nm
Power consumption (TDP)	80 Watt	250 Watt

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