Ultra 7 165H vs i7-7800X

Aggregate performance score

Core i7-7800X
2017
6 cores / 12 threads, 140 Watt
8.40
Core Ultra 7 165H
2023
16 cores / 22 threads, 28 Watt
17.14
+104%

Core Ultra 7 165H outperforms Core i7-7800X by a whopping 104% based on our aggregate benchmark results.

Primary details

Comparing Core i7-7800X and Core Ultra 7 165H processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking924393
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation3.20no data
Market segmentDesktop processorLaptop
SeriesIntel Core i7Intel Meteor Lake-H
Power efficiency5.4755.82
Architecture codenameSkylake (server) (2017−2019)Meteor Lake-H (2023)
Release date30 May 2017 (7 years ago)14 December 2023 (less than a year ago)
Launch price (MSRP)$383$460

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-7800X and Core Ultra 7 165H 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 cores6 (Hexa-Core)16 (Hexadeca-Core)
Threads1222
Base clock speed3.5 GHz3.8 GHz
Boost clock speed4 GHz5 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/sno data
Multiplier35no data
L1 cache384 KB112 KB (per core)
L2 cache6 MB2 MB (per core)
L3 cache8.25 MB (shared)24 MB (shared)
Chip lithography14 nmIntel 4 nm
Maximum core temperature100 °C110 °C
Maximum case temperature (TCase)72 °Cno data
64 bit support++
Windows 11 compatibility+no data
Unlocked multiplier+-

Compatibility

Information on Core i7-7800X and Core Ultra 7 165H 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 configuration1 (Uniprocessor)1
SocketFCLGA2066FCBGA2049
Power consumption (TDP)140 Watt28 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-7800X and Core Ultra 7 165H. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
AVX++
vProno data+
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
Turbo Boost Technology2.0no data
Hyper-Threading Technology++
TSX++
Thermal Monitoring-+
Flex Memory Accessno data+
SIPP-+
Turbo Boost Max 3.0no data+
Deep Learning Boost-+
Supported AI Software Frameworks-OpenVINO™, WindowsML, ONNX RT

Security technologies

Core i7-7800X and Core Ultra 7 165H technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDB++
Secure Keyno data+
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-7800X and Core Ultra 7 165H are enumerated here.

VT-d++
VT-x++
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-7800X and Core Ultra 7 165H. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2400DDR5
Maximum memory size128 GB96 GB
Max memory channels42
Maximum memory bandwidth85.33 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/AIntel® Arc™ graphics
Quick Sync Video-+
Graphics max frequencyno data2.3 GHz

Graphics interfaces

Available interfaces and connections of Core i7-7800X and Core Ultra 7 165H integrated GPUs.

Number of displays supportedno data4

Graphics image quality

Maximum display resolutions supported by Core i7-7800X and Core Ultra 7 165H integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4no data4096 x 2304 @ 60Hz (HDMI 2.1 TMDS) 7680 x 4320 @ 60Hz (HDMI2.1 FRL)
Max resolution over eDPno data3840x2400 @ 120Hz
Max resolution over DisplayPortno data7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Core i7-7800X and Core Ultra 7 165H integrated GPUs, sometimes API versions are included.

DirectXno data12.2
OpenGLno data4.6

Peripherals

Specifications and connection of peripherals supported by Core i7-7800X and Core Ultra 7 165H.

PCIe version3.05.0
PCI Express lanes288
PCI supportno data5.0 and 4.0

Synthetic benchmark performance

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


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.

i7-7800X 8.40
Ultra 7 165H 17.14
+104%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

i7-7800X 12856
Ultra 7 165H 26236
+104%

Gaming performance

Pros & cons summary


Performance score 8.40 17.14
Recency 30 May 2017 14 December 2023
Physical cores 6 16
Threads 12 22
Power consumption (TDP) 140 Watt 28 Watt

Ultra 7 165H has a 104% higher aggregate performance score, an age advantage of 6 years, 166.7% more physical cores and 83.3% more threads, and 400% lower power consumption.

The Core Ultra 7 165H is our recommended choice as it beats the Core i7-7800X in performance tests.

Note that Core i7-7800X is a desktop processor while Core Ultra 7 165H is a notebook one.


Should you still have questions on choice between Core i7-7800X and Core Ultra 7 165H, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Core i7-7800X
Core i7-7800X
Intel Core Ultra 7 165H
Core Ultra 7 165H

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Community ratings

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3.9 182 votes

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Questions & comments

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