Ryzen 5 8645HS vs Core Ultra 5 125H

Primary details

Comparing Core Ultra 5 125H and Ryzen 5 8645HS processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	463	450
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Meteor Lake-H	no data
Architecture codename	Meteor Lake-H	Hawk Point-HS (Zen 4)
Release date	14 December 2023 (less than a year ago)	6 December 2023 (less than a year ago)

Detailed specifications

Core Ultra 5 125H and Ryzen 5 8645HS 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	14 (Tetradeca-Core)	6 (Hexa-Core)
Threads	18	12
Base clock speed	3.6 GHz	4.3 GHz
Boost clock speed	4.5 GHz	5 GHz
L1 cache	no data	64 KB (per core)
L2 cache	no data	1 MB (per core)
L3 cache	18 MB	16 MB (shared)
Chip lithography	7 nm	4 nm
Die size	no data	178 mm2
Maximum core temperature	no data	100 °C
Number of transistors	no data	25,000 million
64 bit support	+	+
Unlocked multiplier	No	No

Compatibility

Information on Core Ultra 5 125H and Ryzen 5 8645HS 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	1
Socket	FCBGA2049	FP8
Power consumption (TDP)	28 Watt	45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core Ultra 5 125H and Ryzen 5 8645HS. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	DDR5-5600/LPDDR5x-7500 RAM, PCIe 4, Ryzen AI, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSE4.1, SSE4.2, SSE4A, SSSE3
AES-NI	+	+
AVX	+	+
Speed Shift	+	no data
Hyper-Threading Technology	+	no data
Thermal Monitoring	+	no data
Flex Memory Access	+	no data
SIPP	-	no data
Turbo Boost Max 3.0	-	no data
Status	Launched	no data

Security technologies

Core Ultra 5 125H and Ryzen 5 8645HS technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data
Secure Key	+	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core Ultra 5 125H and Ryzen 5 8645HS are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core Ultra 5 125H and Ryzen 5 8645HS. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR5	DDR5
Maximum memory size	96 GB	no data
Max memory channels	2	no data
ECC memory support	-	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® Arc™ graphics	AMD Radeon 760M
Quick Sync Video	+	no data
Graphics max frequency	2.2 GHz	no data

Graphics interfaces

Available interfaces and connections of Core Ultra 5 125H and Ryzen 5 8645HS integrated GPUs.

Number of displays supported

4

no data

Graphics image quality

Maximum display resolutions supported by Core Ultra 5 125H and Ryzen 5 8645HS integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	4096 x 2304 @ 60Hz (HDMI 2.1 TMDS) 7680 x 4320 @ 60Hz (HDMI2.1 FRL)	no data
Max resolution over eDP	3840x2400 @ 120Hz	no data
Max resolution over DisplayPort	7680 x 4320 @ 60Hz	no data

Graphics API support

APIs supported by Core Ultra 5 125H and Ryzen 5 8645HS integrated GPUs, sometimes API versions are included.

DirectX	12.2	no data
OpenGL	4.6	no data

Peripherals

Specifications and connection of peripherals supported by Core Ultra 5 125H and Ryzen 5 8645HS.

PCIe version	no data	4.0
PCI Express lanes	28	20
PCI support	5.0 and 4.0	no data

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.

Ryzen 5 8645HS outperforms Core Ultra 5 125H by 1% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	14.59	14.74
Physical cores	14	6
Threads	18	12
Chip lithography	7 nm	4 nm
Power consumption (TDP)	28 Watt	45 Watt

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Should you still have questions on choice between Core Ultra 5 125H and Ryzen 5 8645HS, ask them in Comments section, and we shall answer.

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