i5-12450HX vs Ryzen 9 5900HX

Primary details

Comparing Ryzen 9 5900HX and Core i5-12450HX processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	510	655
Place by popularity	not in top-100	90
Market segment	Laptop	Laptop
Series	AMD Cezanne (Zen 3, Ryzen 5000)	no data
Power efficiency	29.80	20.22
Architecture codename	Cezanne-H (Zen 3) (2021)	Alder Lake-HX (2022)
Release date	12 January 2021 (3 years ago)	10 May 2022 (2 years ago)

Detailed specifications

Ryzen 9 5900HX and Core i5-12450HX 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	8 (Octa-Core)	8 (Octa-Core)
Threads	16	12
Base clock speed	3.3 GHz	2.4 GHz
Boost clock speed	4.6 GHz	4.4 GHz
Multiplier	33	no data
L1 cache	64K (per core)	80K (per core)
L2 cache	512K (per core)	1.25 MB (per core)
L3 cache	16 MB (shared)	12 MB (shared)
Chip lithography	7 nm	Intel 7 nm
Die size	156 mm2	215 mm2
Maximum core temperature	105 °C	100 °C
Number of transistors	9,800 million	no data
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	-	+

Compatibility

Information on Ryzen 9 5900HX and Core i5-12450HX 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	FP6	FCBGA1964
Power consumption (TDP)	45 Watt	55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 5900HX and Core i5-12450HX. You'll probably need this information if you require some particular technology.

Instruction set extensions	MMX (+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A, AES, AVX, AVX2, FMA3, SHA	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+	+
AVX	+	+
Enhanced SpeedStep (EIST)	no data	+
Speed Shift	no data	+
Hyper-Threading Technology	no data	+
TSX	-	+
Thermal Monitoring	-	+
Flex Memory Access	no data	+
Turbo Boost Max 3.0	no data	+
Deep Learning Boost	-	+

Security technologies

Ryzen 9 5900HX and Core i5-12450HX 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 Ryzen 9 5900HX and Core i5-12450HX are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 5900HX and Core i5-12450HX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR4, DDR5
Maximum memory size	no data	128 GB
Max memory channels	no data	2
Maximum memory bandwidth	no data	76.8 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	AMD Radeon RX Vega 8 (Ryzen 4000/5000) ( - 2100 MHz)	Intel UHD Graphics for 12th Gen Intel Processors
Quick Sync Video	-	+
Graphics max frequency	no data	1.3 GHz
Execution Units	no data	16

Graphics interfaces

Available interfaces and connections of Ryzen 9 5900HX and Core i5-12450HX integrated GPUs.

Number of displays supported

no data

4

Graphics image quality

Maximum display resolutions supported by Ryzen 9 5900HX and Core i5-12450HX integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	no data	4096 x 2304 @ 60Hz
Max resolution over eDP	no data	5120 x 3200 @ 120Hz
Max resolution over DisplayPort	no data	7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Ryzen 9 5900HX and Core i5-12450HX integrated GPUs, sometimes API versions are included.

DirectX	no data	12.1
OpenGL	no data	4.6

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 5900HX and Core i5-12450HX.

PCIe version	3.0	5.0 and 4.0
PCI Express lanes	no data	20

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.

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Pros & cons summary

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Performance score	14.17	11.75
Integrated graphics card	9.04	5.58
Recency	12 January 2021	10 May 2022
Threads	16	12
Power consumption (TDP)	45 Watt	55 Watt

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Should you still have questions on choice between Ryzen 9 5900HX and Core i5-12450HX, ask them in Comments section, and we shall answer.

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