i486SL-20 vs i3-8121U

Primary details

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

Place in the ranking	2019	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Core i3	Intel 80486
Power efficiency	3.68	no data
Designer	Intel	Intel
Manufacturer	Intel	no data
Architecture codename	Coffee Lake-U (2018−2019)	80486 (1989)
Release date	15 May 2018 (7 years ago)	no data

Detailed specifications

Basic parameters of Core i3-8121U and i486SL-20: 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)	1 (Single-Core)
Threads	4	no data
Base clock speed	2.2 GHz	no data
Boost clock speed	3.2 GHz	0.02 GHz
Bus type	OPI	FSB
Bus rate	4 GT/s	20 MT/s
Multiplier	22	1
L1 cache	128 KB	8 KB
L2 cache	512 KB	no data
L3 cache	4 MB (shared)	no data
Chip lithography	10 nm	800 nm
Die size	123 mm2	no data
Maximum core temperature	105 °C	no data
Maximum case temperature (TCase)	72 °C	no data
Number of transistors	no data	1 Million
64 bit support	+	-
Windows 11 compatibility	-	no data

Compatibility

Information on Core i3-8121U and i486SL-20 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)	no data
Socket	Intel BGA1440	no data
Power consumption (TDP)	15 Watt	no data

Technologies and extensions

Technological solutions and additional instructions supported by Core i3-8121U and i486SL-20. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512	no data
AES-NI	+	-
AVX	+	-
vPro	-	no data
Enhanced SpeedStep (EIST)	+	no data
QuickAssist	-	no data
Speed Shift	+	no data
My WiFi	+	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
Smart Response	+	no data
Demand Based Switching	-	no data
HD Audio	+	no data
RST	+	no data

Security technologies

Core i3-8121U and i486SL-20 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	no data
EDB	+	no data
Secure Key	+	no data
MPX	+	-
SGX	-	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i3-8121U and i486SL-20 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i3-8121U and i486SL-20. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	no data
Maximum memory size	32 GB	4 GB
Max memory channels	2	no data
Maximum memory bandwidth	38.397 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

Iris Pro Plus

no data

Peripherals

Specifications and connection of peripherals supported by Core i3-8121U and i486SL-20.

PCIe version	3.0	no data
PCI Express lanes	16	no data

Pros & cons summary

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Physical cores	2	1
Chip lithography	10 nm	800 nm