Atom x7405C vs i9-11900H

Primary details

Comparing Core i9-11900H and Atom x7405C processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	561	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Tiger Lake	no data
Architecture codename	Tiger Lake-H (2021)	Amston Lake (2024)
Release date	11 May 2021 (3 years ago)	8 April 2024 (less than a year ago)

Detailed specifications

Core i9-11900H and Atom x7405C 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	8 (Octa-Core)	4 (Quad-Core)
Threads	16	4
Base clock speed	2.5 GHz	1.7 GHz
Boost clock speed	4.9 GHz	3.4 GHz
Bus rate	8 GT/s	no data
L1 cache	640 KB	96 KB (per core)
L2 cache	10 MB	2 MB (shared)
L3 cache	24 MB	6 MB (shared)
Chip lithography	10 nm SuperFin	10 nm
Maximum core temperature	100 °C	no data
Maximum case temperature (TCase)	72 °C	no data
64 bit support	+	+
Windows 11 compatibility	+	no data

Compatibility

Information on Core i9-11900H and Atom x7405C 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	1
Socket	FCBGA1787	Intel BGA 1264
Power consumption (TDP)	45 Watt	12 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-11900H and Atom x7405C. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512	no data
AES-NI	+	+
FMA	+	-
AVX	+	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	no data
Hyper-Threading Technology	+	no data
TSX	+	-
Thermal Monitoring	+	-
Flex Memory Access	+	no data
Turbo Boost Max 3.0	+	no data
Status	Discontinued	no data
Deep Learning Boost	+	-

Security technologies

Core i9-11900H and Atom x7405C technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-11900H and Atom x7405C are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-11900H and Atom x7405C. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR4, DDR5
Maximum memory size	128 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	51.2 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® UHD Graphics for 11th Gen Intel® Processors	N/A
Quick Sync Video	+	-
Graphics max frequency	1.45 GHz	no data
Execution Units	32	no data

Graphics interfaces

Available interfaces and connections of Core i9-11900H and Atom x7405C integrated GPUs.

Number of displays supported

4

no data

Graphics image quality

Maximum display resolutions supported by Core i9-11900H and Atom x7405C integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	4096x2304@60Hz	no data
Max resolution over eDP	4096x2304@60Hz	no data
Max resolution over DisplayPort	7680x4320@60Hz	no data

Graphics API support

APIs supported by Core i9-11900H and Atom x7405C integrated GPUs, sometimes API versions are included.

DirectX	12.1	no data
OpenGL	4.6	no data

Peripherals

Specifications and connection of peripherals supported by Core i9-11900H and Atom x7405C.

PCIe version	4.0	3.0
PCI Express lanes	20	9

Pros & cons summary

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Recency	11 May 2021	8 April 2024
Physical cores	8	4
Threads	16	4
Power consumption (TDP)	45 Watt	12 Watt

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Should you still have questions on choice between Core i9-11900H and Atom x7405C, ask them in Comments section, and we shall answer.

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