i5-12450H vs i7-9800X

#ad 
Buy on Amazon
VS

Aggregate performance score

Core i7-9800X
2018
8 cores / 16 threads, 165 Watt
11.39
+6.7%
Core i5-12450H
2022
8 cores / 12 threads, 45 Watt
10.67

Core i7-9800X outperforms Core i5-12450H by a small 7% based on our aggregate benchmark results.

Primary details

Comparing Core i7-9800X and Core i5-12450H processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking693737
Place by popularitynot in top-1004
Cost-effectiveness evaluation6.48no data
Market segmentDesktop processorLaptop
SeriesIntel Core i7Intel Alder Lake-P
Power efficiency6.5322.44
Architecture codenameSkylake (server) (2017−2018)Alder Lake-H (2022)
Release date8 October 2018 (6 years ago)January 2022 (2 years ago)
Launch price (MSRP)$589no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-9800X and Core i5-12450H 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 cores8 (Octa-Core)8 (Octa-Core)
Threads1612
Base clock speed3.8 GHz2 GHz
Boost clock speed4.5 GHz4.4 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/sno data
Multiplier38no data
L1 cache512 KB80K (per core)
L2 cache8 MB1.25 MB (per core)
L3 cache16.5 MB (shared)12 MB (shared)
Chip lithography14 nmIntel 7 nm
Die sizeno data217 mm2
Maximum core temperature95 °C100 °C
Maximum case temperature (TCase)72 °Cno data
64 bit support++
Windows 11 compatibility++
Unlocked multiplier+-

Compatibility

Information on Core i7-9800X and Core i5-12450H 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
SocketFCLGA2066FCBGA1744
Power consumption (TDP)165 Watt45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-9800X and Core i5-12450H. 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++
FMA-+
AVX++
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
Turbo Boost Technology2.0no data
Hyper-Threading Technology++
TSX++
Thermal Monitoring-+
Flex Memory Accessno data+
Turbo Boost Max 3.0+no data
Deep Learning Boost-+

Security technologies

Core i7-9800X and Core i5-12450H 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 i7-9800X and Core i5-12450H are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-9800X and Core i5-12450H. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2666DDR4, DDR5
Maximum memory size128 GB64 GB
Max memory channels42
Maximum memory bandwidth85.33 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/AIntel UHD Graphics for 12th Gen Intel Processors
Quick Sync Video-+
Graphics max frequencyno data1.2 GHz
Execution Unitsno data48

Graphics interfaces

Available interfaces and connections of Core i7-9800X and Core i5-12450H integrated GPUs.

Number of displays supportedno data4

Graphics image quality

Maximum display resolutions supported by Core i7-9800X and Core i5-12450H integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4no data4096 x 2304 @ 60Hz
Max resolution over eDPno data4096 x 2304 @ 120Hz
Max resolution over DisplayPortno data7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Core i7-9800X and Core i5-12450H integrated GPUs, sometimes API versions are included.

DirectXno data12.1
OpenGLno data4.6

Peripherals

Specifications and connection of peripherals supported by Core i7-9800X and Core i5-12450H.

PCIe version3.04.0
PCI Express lanes4420

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.

i7-9800X 11.39
+6.7%
i5-12450H 10.67

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.

i7-9800X 18089
+6.7%
i5-12450H 16947

Gaming performance

Pros & cons summary


Performance score 11.39 10.67
Threads 16 12
Power consumption (TDP) 165 Watt 45 Watt

i7-9800X has a 6.7% higher aggregate performance score, and 33.3% more threads.

i5-12450H, on the other hand, has 266.7% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between Core i7-9800X and Core i5-12450H.

Note that Core i7-9800X is a desktop processor while Core i5-12450H is a notebook one.


Should you still have questions on choice between Core i7-9800X and Core i5-12450H, 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 i7-9800X
Core i7-9800X
Intel Core i5-12450H
Core i5-12450H

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


3.2 81 vote

Rate Core i7-9800X on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.7 5504 votes

Rate Core i5-12450H on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core i7-9800X or Core i5-12450H, agree or disagree with our judgements, or report an error or mismatch.