i486SX2-66 vs Xeon E5-2650 v3

Primary details

Comparing Xeon E5-2650 v3 and i486SX2-66 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	970	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Server	Laptop
Series	no data	Intel 80486
Power efficiency	6.69	no data
Architecture codename	Haswell-EP (2014−2015)	80486 (1989)
Release date	8 September 2014 (10 years ago)	no data (2024 years ago)

Detailed specifications

Xeon E5-2650 v3 and i486SX2-66 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	10 (Deca-Core)	1 (Single-Core)
Threads	20	no data
Base clock speed	2.3 GHz	no data
Boost clock speed	3 GHz	0.07 GHz
Bus type	no data	FSB
Bus rate	9.6 GT/s	33 MT/s
Multiplier	no data	2
L1 cache	64K (per core)	8 KB
L2 cache	256K (per core)	no data
L3 cache	25 MB (shared)	no data
Chip lithography	22 nm	800 nm
Die size	356 mm2	no data
Maximum core temperature	79 °C	no data
Number of transistors	2,600 million	1 Million
64 bit support	+	-
Windows 11 compatibility	-	no data

Compatibility

Information on Xeon E5-2650 v3 and i486SX2-66 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	no data
Power consumption (TDP)	105 Watt	no data

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2650 v3 and i486SX2-66. You'll probably need this information if you require some particular technology.

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

Security technologies

Xeon E5-2650 v3 and i486SX2-66 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data
Secure Key	+	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2650 v3 and i486SX2-66 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2650 v3 and i486SX2-66. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-1600, DDR4-1866, DDR4-2133	no data
Maximum memory size	768 GB	4 GB
Max memory channels	4	no data
Maximum memory bandwidth	68 GB/s	no data
ECC memory support	+	-

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2650 v3 and i486SX2-66.

PCIe version	3.0	no data
PCI Express lanes	40	no data

Pros & cons summary

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Physical cores	10	1
Chip lithography	22 nm	800 nm

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