Pentium Gold 6405U vs Pentium 987

Primary details

Comparing Pentium 987 and Pentium Gold 6405U processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	not rated	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Pentium	Intel Comet Lake
Architecture codename	Sandy Bridge (2011−2013)	Comet Lake-U (2019−2020)
Release date	1 June 2012 (12 years ago)	31 October 2019 (4 years ago)
Launch price (MSRP)	$134	$161

Detailed specifications

Pentium 987 and Pentium Gold 6405U 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	2 (Dual-core)	2 (Dual-core)
Threads	2	4
Boost clock speed	1.5 GHz	2.4 GHz
Bus support	4 × 5 GT/s	no data
L1 cache	128 KB	256 KB
L2 cache	512 KB	1 MB
L3 cache	2 MB	2 MB
Chip lithography	32 nm	14 nm
Die size	131 mm2	no data
Maximum core temperature	100 °C	100 °C
Number of transistors	504 million	no data
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	No	No

Compatibility

Information on Pentium 987 and Pentium Gold 6405U 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 (Uniprocessor)	1
Socket	BGA1023	FCBGA1528
Power consumption (TDP)	17 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium 987 and Pentium Gold 6405U. You'll probably need this information if you require some particular technology.

AES-NI	no data	+
FMA	+	no data
Enhanced SpeedStep (EIST)	+	no data
Hyper-Threading Technology	no data	+
Thermal Monitoring	+	no data

Security technologies

Pentium 987 and Pentium Gold 6405U technologies aimed at improving security, for example, by protecting against hacks.

EDB

+

no data

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium 987 and Pentium Gold 6405U are enumerated here.

AMD-V

no data

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium 987 and Pentium Gold 6405U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4
Maximum memory size	16 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	21.335 GB/s	37.5 GB/s
ECC memory support	-	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare

Intel HD Graphics (Sandy Bridge)

Intel UHD Graphics 610

Peripherals

Specifications and connection of peripherals supported by Pentium 987 and Pentium Gold 6405U.

PCI Express lanes

16

12

Pros & cons summary

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Recency	1 June 2012	31 October 2019
Threads	2	4
Chip lithography	32 nm	14 nm
Power consumption (TDP)	17 Watt	15 Watt

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