Ryzen 5 7645HX vs i9-9920X

Aggregate performance score

Core i9-9920X
2018
12 cores / 24 threads, 165 Watt
16.44
Ryzen 5 7645HX
2023
6 cores / 12 threads, 45 Watt
17.56
+6.8%

Ryzen 5 7645HX outperforms Core i9-9920X by a small 7% based on our aggregate benchmark results.

Primary details

Comparing Core i9-9920X and Ryzen 5 7645HX processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking419378
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation5.35no data
Market segmentDesktop processorLaptop
SeriesIntel Core i9no data
Power efficiency9.0935.58
Architecture codenameSkylake (server) (2017−2019)Dragon Range (Zen4) (2023)
Release date8 October 2018 (6 years ago)4 January 2023 (1 year ago)
Launch price (MSRP)$1,189no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i9-9920X and Ryzen 5 7645HX 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 cores12 (Dodeca-Core)6 (Hexa-Core)
Threads2412
Base clock speed3.5 GHz4 GHz
Boost clock speed4.5 GHz5 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/sno data
Multiplier35no data
L1 cache768 KB64K (per core)
L2 cache12 MB1 MB (per core)
L3 cache19.25 MB (shared)32 MB (shared)
Chip lithography14 nm5 nm
Die size484 mm271 mm2
Maximum core temperature92 °C100 °C
Maximum case temperature (TCase)72 °Cno data
Number of transistorsno data6570 Million
64 bit support++
Windows 11 compatibility++
Unlocked multiplier+-

Compatibility

Information on Core i9-9920X and Ryzen 5 7645HX 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
SocketFCLGA2066FL1
Power consumption (TDP)165 Watt45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-9920X and Ryzen 5 7645HX. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512no data
AES-NI++
AVX++
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
TSX+-
Turbo Boost Max 3.0+no data
Precision Boost 2no data+

Security technologies

Core i9-9920X and Ryzen 5 7645HX technologies aimed at improving security, for example, by protecting against hacks.

EDB+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-9920X and Ryzen 5 7645HX are enumerated here.

AMD-V-+
VT-d+no data
VT-x+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-9920X and Ryzen 5 7645HX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2666DDR5-5200
Maximum memory size128 GBno data
Max memory channels4no data
Maximum memory bandwidth85.33 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/AAMD Radeon 610M

Peripherals

Specifications and connection of peripherals supported by Core i9-9920X and Ryzen 5 7645HX.

PCIe version3.05.0
PCI Express lanes4428

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.

i9-9920X 16.44
Ryzen 5 7645HX 17.56
+6.8%

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.

i9-9920X 25163
Ryzen 5 7645HX 26868
+6.8%

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

i9-9920X 1426
Ryzen 5 7645HX 2667
+87%

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

i9-9920X 9638
Ryzen 5 7645HX 11678
+21.2%

Gaming performance

Pros & cons summary


Performance score 16.44 17.56
Recency 8 October 2018 4 January 2023
Physical cores 12 6
Threads 24 12
Chip lithography 14 nm 5 nm
Power consumption (TDP) 165 Watt 45 Watt

i9-9920X has 100% more physical cores and 100% more threads.

Ryzen 5 7645HX, on the other hand, has a 6.8% higher aggregate performance score, an age advantage of 4 years, a 180% more advanced lithography process, and 266.7% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between Core i9-9920X and Ryzen 5 7645HX.

Note that Core i9-9920X is a desktop processor while Ryzen 5 7645HX is a notebook one.


Should you still have questions on choice between Core i9-9920X and Ryzen 5 7645HX, ask them in Comments section, and we shall answer.

Vote for your favorite

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Intel Core i9-9920X
Core i9-9920X
AMD Ryzen 5 7645HX
Ryzen 5 7645HX

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Community ratings

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Questions & comments

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