i7-12800HE vs Ryzen 9 3900

Aggregate performance score

Ryzen 9 3900
2019
12 cores / 24 threads, 65 Watt
20.12
+3.3%

Ryzen 9 3900 outperforms Core i7-12800HE by a minimal 3% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 9 3900 and Core i7-12800HE processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking289313
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation20.34no data
Market segmentDesktop processorLaptop
SeriesAMD Matisse (Ryzen 3000 Desktop)no data
Power efficiency28.2339.47
Architecture codenameMatisse (Zen 2) (2019−2020)Alder Lake-H (2022)
Release date24 September 2019 (5 years ago)January 2022 (2 years ago)
Launch price (MSRP)$499no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Ryzen 9 3900 and Core i7-12800HE 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)14 (Tetradeca-Core)
Threads2420
Base clock speed3.1 GHz2.4 GHz
Boost clock speed4.3 GHz4.6 GHz
L1 cache768 KB80K (per core)
L2 cache6 MB1.25 MB (per core)
L3 cache64 MB24 MB (shared)
Chip lithography7 nm, 12 nm10 nm
Die size2x 74 mm2217 mm2
Number of transistors7,600 millionno data
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier+-

Compatibility

Information on Ryzen 9 3900 and Core i7-12800HE 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 configuration11
SocketAM4Intel BGA 1744
Power consumption (TDP)65 Watt45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 3900 and Core i7-12800HE. You'll probably need this information if you require some particular technology.

Instruction set extensions86x MMX(+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A,-64, AMD-V, AES, AVX, AVX2, FMA3, SHA, Precision Boost 2no data
AES-NI++
AVX++
Enhanced SpeedStep (EIST)no data+
TSX-+
Precision Boost 2+no data

Security technologies

Ryzen 9 3900 and Core i7-12800HE technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 3900 and Core i7-12800HE are enumerated here.

AMD-V+-
VT-dno data+
VT-xno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 3900 and Core i7-12800HE. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-3200DDR4, DDR5 Dual-channel
Maximum memory size128 GBno data
Max memory channels2no data
Maximum memory bandwidth51.196 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/AIris Xe 96EU

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 3900 and Core i7-12800HE.

PCIe version4.04.0
PCI Express lanes2420

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.

Ryzen 9 3900 20.12
+3.3%
i7-12800HE 19.48

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.

Ryzen 9 3900 30796
+3.3%
i7-12800HE 29805

Gaming performance

Pros & cons summary


Performance score 20.12 19.48
Physical cores 12 14
Threads 24 20
Chip lithography 7 nm 10 nm
Power consumption (TDP) 65 Watt 45 Watt

Ryzen 9 3900 has a 3.3% higher aggregate performance score, 20% more threads, and a 42.9% more advanced lithography process.

i7-12800HE, on the other hand, has 16.7% more physical cores, and 44.4% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between Ryzen 9 3900 and Core i7-12800HE.

Note that Ryzen 9 3900 is a desktop processor while Core i7-12800HE is a notebook one.


Should you still have questions on choice between Ryzen 9 3900 and Core i7-12800HE, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


AMD Ryzen 9 3900
Ryzen 9 3900
Intel Core i7-12800HE
Core i7-12800HE

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Community ratings

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Questions & comments

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