i9-12900H vs Ryzen 9 PRO 3900

Primary details

Comparing Ryzen 9 PRO 3900 and Core i9-12900H processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	280	351
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Laptop
Series	AMD Ryzen 9	Intel Alder Lake-P
Power efficiency	28.97	36.97
Architecture codename	Zen 2 (2017−2020)	Alder Lake-H (2022)
Release date	30 September 2019 (5 years ago)	4 January 2022 (2 years ago)

Detailed specifications

Ryzen 9 PRO 3900 and Core i9-12900H 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	12 (Dodeca-Core)	14 (Tetradeca-Core)
Threads	24	20
Base clock speed	3.1 GHz	2.5 GHz
Boost clock speed	4.3 GHz	5 GHz
L1 cache	768 KB	80K (per core)
L2 cache	6 MB	1.25 MB (per core)
L3 cache	64 MB	24 MB (shared)
Chip lithography	7 nm, 12 nm	Intel 7 nm
Die size	no data	217 mm2
Maximum core temperature	no data	100 °C
64 bit support	+	+
Windows 11 compatibility	+	+

Compatibility

Information on Ryzen 9 PRO 3900 and Core i9-12900H 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	Socket AM4	FCBGA1744
Power consumption (TDP)	65 Watt	45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 PRO 3900 and Core i9-12900H. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+	+
FMA	-	+
AVX	+	+
Enhanced SpeedStep (EIST)	no data	+
Speed Shift	no data	+
Hyper-Threading Technology	no data	+
TSX	-	+
Thermal Monitoring	-	+
Flex Memory Access	no data	+
SIPP	-	+
Turbo Boost Max 3.0	no data	+
Precision Boost 2	+	no data
Deep Learning Boost	-	+

Security technologies

Ryzen 9 PRO 3900 and Core i9-12900H 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 PRO 3900 and Core i9-12900H 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 PRO 3900 and Core i9-12900H. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-3200	DDR4, DDR5
Maximum memory size	128 GB	64 GB
Max memory channels	2	2
Maximum memory bandwidth	51.196 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	-	Intel® Iris® Xe Graphics eligible
Quick Sync Video	-	+
Graphics max frequency	-	1.45 GHz
Execution Units	-	96

Graphics interfaces

Available interfaces and connections of Ryzen 9 PRO 3900 and Core i9-12900H integrated GPUs.

Number of displays supported

-

4

Graphics image quality

Maximum display resolutions supported by Ryzen 9 PRO 3900 and Core i9-12900H integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	-	4096 x 2304 @ 60Hz
Max resolution over eDP	-	4096 x 2304 @ 120Hz
Max resolution over DisplayPort	-	7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Ryzen 9 PRO 3900 and Core i9-12900H integrated GPUs, sometimes API versions are included.

DirectX	-	12.1
OpenGL	-	4.6

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 PRO 3900 and Core i9-12900H.

PCIe version	no data	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	19.90	17.58
Recency	30 September 2019	4 January 2022
Physical cores	12	14
Threads	24	20
Power consumption (TDP)	65 Watt	45 Watt

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Should you still have questions on choice between Ryzen 9 PRO 3900 and Core i9-12900H, ask them in Comments section, and we shall answer.

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