Pentium Gold 5405U vs A4-9120C

Primary details

Comparing A4-9120C and Pentium Gold 5405U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2838	2147
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	AMD Bristol Ridge	Intel Pentium, Pentium Gold
Power efficiency	8.39	9.34
Architecture codename	Stoney Ridge (2016−2019)	Whiskey Lake-U (2018−2019)
Release date	6 January 2019 (5 years ago)	23 January 2019 (5 years ago)
Launch price (MSRP)	no data	$161

Detailed specifications

A4-9120C and Pentium Gold 5405U 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
Base clock speed	no data	2.3 GHz
Boost clock speed	1.6 GHz	2.3 GHz
Bus type	no data	OPI
Bus rate	no data	4 GT/s
Multiplier	16	23
L1 cache	160 KB	128 KB
L2 cache	1 MB	512 KB
L3 cache	no data	2 MB (shared)
Chip lithography	28 nm	14 nm
Die size	124.5 mm2	no data
Maximum core temperature	no data	100 °C
Number of transistors	1200 Million	no data
64 bit support	+	+
Windows 11 compatibility	-	+

Compatibility

Information on A4-9120C and Pentium Gold 5405U 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	no data	1 (Uniprocessor)
Socket	BGA	FCBGA1528
Power consumption (TDP)	6 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A4-9120C and Pentium Gold 5405U. You'll probably need this information if you require some particular technology.

Instruction set extensions	Virtualization,	Intel® SSE4.1, Intel® SSE4.2
AES-NI	+	+
AVX	+	-
Enhanced SpeedStep (EIST)	no data	+
Speed Shift	no data	+
My WiFi	no data	+
Turbo Boost Technology	no data	-
Hyper-Threading Technology	no data	+
Idle States	no data	+
Thermal Monitoring	-	+
Flex Memory Access	no data	+
Smart Response	no data	+

Security technologies

A4-9120C and Pentium Gold 5405U technologies aimed at improving security, for example, by protecting against hacks.

TXT	no data	-
EDB	no data	+
Secure Key	no data	+
Identity Protection	-	+
SGX	no data	Yes with Intel® ME
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by A4-9120C and Pentium Gold 5405U are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by A4-9120C and Pentium Gold 5405U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR3, DDR4
Maximum memory size	no data	64 GB
Max memory channels	no data	2
Maximum memory bandwidth	14.936 GB/s	38.397 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	AMD Radeon R4 (Stoney Ridge)	Intel® UHD Graphics for 8th Generation Intel® Processors
Max video memory	no data	32 GB
Quick Sync Video	-	+
Clear Video	no data	+
Clear Video HD	no data	+
Graphics max frequency	no data	950 MHz

Graphics interfaces

Available interfaces and connections of A4-9120C and Pentium Gold 5405U integrated GPUs.

Number of displays supported	no data	3
eDP	no data	+
DisplayPort	-	+
HDMI	-	+
DVI	no data	+

Graphics image quality

Maximum display resolutions supported by A4-9120C and Pentium Gold 5405U integrated GPUs, including resolutions over different interfaces.

4K resolution support	no data	+
Max resolution over HDMI 1.4	no data	4096x2304@24Hz
Max resolution over eDP	no data	4096x2304@60Hz
Max resolution over DisplayPort	no data	4096x2304@60Hz

Graphics API support

APIs supported by A4-9120C and Pentium Gold 5405U integrated GPUs, sometimes API versions are included.

DirectX	no data	12
OpenGL	no data	4.5

Peripherals

Specifications and connection of peripherals supported by A4-9120C and Pentium Gold 5405U.

PCIe version	no data	2.0
PCI Express lanes	no data	12

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

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Pros & cons summary

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Performance score	0.55	1.53
Threads	2	4
Chip lithography	28 nm	14 nm
Power consumption (TDP)	6 Watt	15 Watt

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Should you still have questions on choice between A4-9120C and Pentium Gold 5405U, ask them in Comments section, and we shall answer.

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