Pentium 4 660 vs Xeon E5-2650 v4

Primary details

Comparing Xeon E5-2650 v4 and Pentium 4 660 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	810	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	87.78	no data
Market segment	Server	Desktop processor
Series	Intel Xeon E5	Pentium 4
Architecture codename	Broadwell (2015−2019)	Prescott 2M
Release date	20 June 2016 (8 years ago)	no data
Launch price (MSRP)	$1,166	no data
Current price	$21 (0x MSRP)	$54

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E5-2650 v4 and Pentium 4 660 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)	1 (Single-Core)
Threads	24	1
Base clock speed	2.2 GHz	3.6 GHz
Boost clock speed	2.9 GHz	3.6 GHz
Bus support	2 × 9.6 GT/s	800 MHz
L2 cache	3 MB	no data
L3 cache	30 MB	2 MB L2 Cache
Chip lithography	14 nm	90 nm
Die size	306.18 mm2	no data
Maximum core temperature	80 °C	71 °C
Number of transistors	4700 Million	no data
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No
VID voltage range	no data	1.2V-1.4V

Compatibility

Information on Xeon E5-2650 v4 and Pentium 4 660 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	no data
Socket	FCLGA2011	PLGA775,PPGA775
Power consumption (TDP)	105 Watt	115 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2650 v4 and Pentium 4 660. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX2	no data
AES-NI	+	no data
AVX	+	no data
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2.0	-
Hyper-Threading Technology	+	+
TSX	+	no data
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	-	no data
Demand Based Switching	+	-
PAE	46 Bit	no data
FSB parity	no data	-
Status	Discontinued	Discontinued

Security technologies

Xeon E5-2650 v4 and Pentium 4 660 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	-
EDB	+	+
Secure Key	+	no data
Identity Protection	-	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2650 v4 and Pentium 4 660 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2650 v4 and Pentium 4 660. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-1600, DDR4-1866, DDR4-2133, DDR4-2400	no data
Maximum memory size	1.5 TB	no data
Max memory channels	4	no data
Maximum memory bandwidth	76.8 GB/s	no data
ECC memory support	+	no data

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2650 v4 and Pentium 4 660.

PCIe version	3.0	no data
PCI Express lanes	40	no data

Pros & cons summary

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Physical cores	12	1
Threads	24	1
Chip lithography	14 nm	90 nm
Power consumption (TDP)	105 Watt	115 Watt

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Should you still have questions on choice between Xeon E5-2650 v4 and Pentium 4 660, ask them in Comments section, and we shall answer.

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