Ryzen 9 7945HX vs i5-8650K

Primary details

Comparing Core i5-8650K and Ryzen 9 7945HX processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	110
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Laptop
Series	Intel Core i5	no data
Power efficiency	no data	59.24
Architecture codename	Coffee Lake (2017−2019)	Dragon Range-HX (Zen 4) (2023−2024)
Release date	1 September 2018 (6 years ago)	4 January 2023 (1 year ago)

Detailed specifications

Core i5-8650K and Ryzen 9 7945HX 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	6 (Hexa-Core)	16 (Hexadeca-Core)
Threads	6	32
Base clock speed	3.7 GHz	2.5 GHz
Boost clock speed	4.5 GHz	5.4 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	no data
L1 cache	384 KB	64K (per core)
L2 cache	1.5 MB	1 MB (per core)
L3 cache	9 MB (shared)	64 MB (shared)
Chip lithography	14 nm	CCD = 5 nm, I/O = 6 nm
Die size	126 mm2	2x 71 mm2
Maximum core temperature	no data	100 °C
Maximum case temperature (TCase)	72 °C	no data
Number of transistors	no data	13,140 million
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	+	+

Compatibility

Information on Core i5-8650K and Ryzen 9 7945HX 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	1151	FL1
Power consumption (TDP)	95 Watt	55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-8650K and Ryzen 9 7945HX. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, AVX-512, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME
AES-NI	+	+
FMA	-	+
AVX	+	+
Enhanced SpeedStep (EIST)	+	no data
Precision Boost 2	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-8650K and Ryzen 9 7945HX 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 i5-8650K and Ryzen 9 7945HX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4 Dual-channel	DDR5
Maximum memory size	64 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	42.671 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare

Intel UHD Graphics 630

AMD Radeon 610M

Peripherals

Specifications and connection of peripherals supported by Core i5-8650K and Ryzen 9 7945HX.

PCIe version	3.0	5.0
PCI Express lanes	no data	28

Pros & cons summary

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Integrated graphics card	3.09	2.85
Recency	1 September 2018	4 January 2023
Physical cores	6	16
Threads	6	32
Power consumption (TDP)	95 Watt	55 Watt

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Should you still have questions on choice between Core i5-8650K and Ryzen 9 7945HX, ask them in Comments section, and we shall answer.

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