i5-1155G7 vs i9-7920X

Primary details

Comparing Core i9-7920X and Core i5-1155G7 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	472	1054
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	3.24	no data
Market segment	Desktop processor	Laptop
Series	Intel Core i9	Tiger Lake
Power efficiency	10.06	21.46
Architecture codename	Skylake (server) (2017−2019)	Tiger Lake-UP3 (2020−2021)
Release date	10 September 2017 (7 years ago)	31 May 2021 (3 years ago)
Launch price (MSRP)	$1,199	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i9-7920X 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	12 (Dodeca-Core)	4 (Quad-Core)
Threads	24	8
Base clock speed	2.9 GHz	2.5 GHz
Boost clock speed	4.4 GHz	4.5 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	4 GT/s
L1 cache	64 KB (per core)	96K (per core)
L2 cache	1 MB (per core)	1.25 MB (per core)
L3 cache	16.5 MB (shared)	8 MB (shared)
Chip lithography	14 nm	10 nm SuperFin
Die size	484 mm2	no data
Maximum core temperature	95 °C	100 °C
Maximum case temperature (TCase)	72 °C	72 °C
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	+	-

Compatibility

Information on Core i9-7920X 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 (Uniprocessor)	1
Socket	FCLGA2066	FCBGA1449
Power consumption (TDP)	140 Watt	28 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-7920X 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	no data	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	+
Idle States	no data	+
Thermal Monitoring	-	+
Turbo Boost Max 3.0	+	no data
Deep Learning Boost	-	+

Security technologies

Core i9-7920X and Core i5-1155G7 technologies aimed at improving security, for example, by protecting against hacks.

TXT	no data	+
EDB	+	no data
SGX	no data	-
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-7920X and Core i5-1155G7 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-7920X and Core i5-1155G7. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR4
Maximum memory size	128 GB	64 GB
Max memory channels	4	2
Maximum memory bandwidth	85.33 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	N/A	Intel® Iris® Xe Graphics eligible
Quick Sync Video	-	+
Clear Video HD	no data	+
Graphics max frequency	no data	1.35 GHz
Execution Units	no data	80

Graphics interfaces

Available interfaces and connections of Core i9-7920X and Core i5-1155G7 integrated GPUs.

Number of displays supported

no data

4

Graphics image quality

Maximum display resolutions supported by Core i9-7920X and Core i5-1155G7 integrated GPUs, including resolutions over different interfaces.

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

Graphics API support

APIs supported by Core i9-7920X and Core i5-1155G7 integrated GPUs, sometimes API versions are included.

DirectX	no data	12.1
OpenGL	no data	4.6

Peripherals

Specifications and connection of peripherals supported by Core i9-7920X and Core i5-1155G7.

PCIe version	3.0	4.0
PCI Express lanes	44	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	15.17	6.47
Recency	10 September 2017	31 May 2021
Physical cores	12	4
Threads	24	8
Chip lithography	14 nm	10 nm
Power consumption (TDP)	140 Watt	28 Watt

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Should you still have questions on choice between Core i9-7920X and Core i5-1155G7, ask them in Comments section, and we shall answer.

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