i5-1155G7 vs i7-11800H

Primary details

Comparing Core i7-11800H and Core i5-1155G7 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	590	1053
Place by popularity	84	not in top-100
Market segment	Laptop	Laptop
Series	Tiger Lake	Tiger Lake
Power efficiency	34.75	21.46
Architecture codename	Tiger Lake-H (2021)	Tiger Lake-UP3 (2020−2021)
Release date	11 May 2021 (3 years ago)	31 May 2021 (3 years ago)
Launch price (MSRP)	$395	no data

Detailed specifications

Core i7-11800H and Core i5-1155G7 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	8
Base clock speed	1.9 GHz	2.5 GHz
Boost clock speed	4.6 GHz	4.5 GHz
Bus rate	8 GT/s	4 GT/s
L1 cache	80 KB (per core)	96K (per core)
L2 cache	1.25 MB (per core)	1.25 MB (per core)
L3 cache	24 MB (shared)	8 MB (shared)
Chip lithography	10 nm SuperFin	10 nm SuperFin
Die size	190 mm2	no data
Maximum core temperature	100 °C	100 °C
Maximum case temperature (TCase)	72 °C	72 °C
64 bit support	+	+
Windows 11 compatibility	+	+

Compatibility

Information on Core i7-11800H and Core i5-1155G7 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	FCBGA1449
Power consumption (TDP)	45 Watt	28 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-11800H and Core i5-1155G7. 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	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
FMA	+	+
AVX	+	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	+
Turbo Boost Technology	no data	2.0
Hyper-Threading Technology	+	+
TSX	+	+
Idle States	no data	+
Thermal Monitoring	+	+
Flex Memory Access	+	no data
Deep Learning Boost	+	+

Security technologies

Core i7-11800H and Core i5-1155G7 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-11800H and Core i5-1155G7 are enumerated here.

VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-11800H and Core i5-1155G7. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR4
Maximum memory size	128 GB	64 GB
Max memory channels	2	2
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	Intel® Iris® Xe Graphics eligible
Quick Sync Video	+	+
Clear Video HD	no data	+
Graphics max frequency	1.45 GHz	1.35 GHz
Execution Units	32	80

Graphics interfaces

Available interfaces and connections of Core i7-11800H and Core i5-1155G7 integrated GPUs.

Number of displays supported

4

4

Graphics image quality

Maximum display resolutions supported by Core i7-11800H and Core i5-1155G7 integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	4096x2304@60Hz	4096x2304@60Hz
Max resolution over eDP	4096x2304@60Hz	4096x2304@60Hz
Max resolution over DisplayPort	7680x4320@60Hz	7680x4320@60Hz

Graphics API support

APIs supported by Core i7-11800H and Core i5-1155G7 integrated GPUs, sometimes API versions are included.

DirectX	12.1	12.1
OpenGL	4.6	4.6

Peripherals

Specifications and connection of peripherals supported by Core i7-11800H and Core i5-1155G7.

PCIe version	4.0	4.0
PCI Express lanes	20	16

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	12.85	6.35
Physical cores	8	4
Threads	16	8
Power consumption (TDP)	45 Watt	28 Watt

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Should you still have questions on choice between Core i7-11800H and Core i5-1155G7, ask them in Comments section, and we shall answer.

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