Xeon E5-4620 v4 vs i7-965

Primary details

Comparing Core i7-965 and Xeon E5-4620 v4 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1848	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	2.45	no data
Market segment	Desktop processor	Server
Series	no data	Intel Xeon E5
Power efficiency	1.57	no data
Architecture codename	Bloomfield (2008−2010)	Broadwell (2015−2019)
Release date	November 2008 (16 years ago)	20 June 2016 (8 years ago)
Launch price (MSRP)	$1,509	$1,668

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i7-965 and Xeon E5-4620 v4 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	3.2 GHz	2.1 GHz
Boost clock speed	3.46 GHz	2.6 GHz
Bus type	no data	QPI
Bus rate	6.4 GT/s	2 × 8 GT/s
Multiplier	no data	21
L1 cache	64 KB (per core)	no data
L2 cache	256 KB (per core)	2.5 MB
L3 cache	8 MB (shared)	25 MB
Chip lithography	45 nm	14 nm
Die size	263 mm2	246.24 mm2
Maximum core temperature	68 °C	79 °C
Number of transistors	731 million	3200 Million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	+	-

Compatibility

Information on Core i7-965 and Xeon E5-4620 v4 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	4 (Multiprocessor)
Socket	FCLGA1366	FCLGA2011
Power consumption (TDP)	130 Watt	105 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-965 and Xeon E5-4620 v4. You'll probably need this information if you require some particular technology.

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

Security technologies

Core i7-965 and Xeon E5-4620 v4 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 Core i7-965 and Xeon E5-4620 v4 are enumerated here.

VT-d	no data	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-965 and Xeon E5-4620 v4. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4
Maximum memory size	24 GB	1.5 TB
Max memory channels	3	4
Maximum memory bandwidth	25.6 GB/s	68 GB/s
ECC memory support	-	+

Peripherals

Specifications and connection of peripherals supported by Core i7-965 and Xeon E5-4620 v4.

PCIe version	no data	3.0
PCI Express lanes	no data	40

Pros & cons summary

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Physical cores	4	10
Threads	8	20
Chip lithography	45 nm	14 nm
Power consumption (TDP)	130 Watt	105 Watt

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Should you still have questions on choice between Core i7-965 and Xeon E5-4620 v4, ask them in Comments section, and we shall answer.

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