Ryzen 5 2600H vs Ryzen 9 9955HX

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Aggregate performance score

Ryzen 9 9955HX
2025
16 cores / 32 threads, 55 Watt
31.62
+596%

Ryzen 9 9955HX outperforms Ryzen 5 2600H by a whopping 596% based on our aggregate benchmark results.

Primary details

Comparing processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1631460
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesAMD Dragon Range (Zen 4, Ryzen 7045)AMD Ryzen 5
Power efficiency61.6010.81
DesignerAMDAMD
ManufacturerTSMCGlobalFoundries
Architecture codenameFire Range-HX (Zen 5) (2025)Raven Ridge (2017−2019)
Release date6 January 2025 (less than a year ago)10 September 2018 (7 years ago)

Detailed specifications

Ryzen 9 9955HX and Ryzen 5 2600H 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 cores16 (Hexadeca-Core)4 (Quad-Core)
Threads328
Base clock speed2.5 GHz3.2 GHz
Boost clock speed5.4 GHz3.6 GHz
Multiplierno data32
L1 cache80 KB (per core)96 KB (per core)
L2 cache1 MB (per core)512 KB (per core)
L3 cache64 MB (shared)4 MB (shared)
Chip lithography4 nm14 nm
Die size2x 70.6 mm2210 mm2
Number of transistors16,630 million4,950 million
64 bit support++
Windows 11 compatibilityno data-
Unlocked multiplier+-

Compatibility

Information on Ryzen 9 9955HX and Ryzen 5 2600H 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 (Uniprocessor)
SocketFL1FP5
Power consumption (TDP)55 Watt45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 9955HX and Ryzen 5 2600H. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataXFR, FMA3, SSE 4.2, AVX2, SMT
AES-NI++
AVX++
Precision Boost 2++

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 9955HX and Ryzen 5 2600H are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 9955HX and Ryzen 5 2600H. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5DDR4 Dual-channel
Maximum memory sizeno data32 GB
Max memory channelsno data2
Maximum memory bandwidthno data51.196 GB/s
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardAMD Radeon 610M ( - 2200 MHz)AMD Radeon RX Vega 8 (Ryzen 2000/3000) ( - 1100 MHz)

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 9955HX and Ryzen 5 2600H.

PCIe version5.03.0
PCI Express lanes2812

Synthetic benchmarks

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.

Ryzen 9 9955HX 31.62
+596%
Ryzen 5 2600H 4.54

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. Other than that, Passmark measures multi-core performance.

Ryzen 9 9955HX 55742
+597%
Samples: 273
Ryzen 5 2600H 8002
Samples: 8

Geekbench 5.5 Multi-Core

Ryzen 9 9955HX 22114
+585%
Ryzen 5 2600H 3226

Gaming performance

Pros & cons summary


Performance score 31.62 4.54
Integrated graphics card 2.76 4.15
Recency 6 January 2025 10 September 2018
Physical cores 16 4
Threads 32 8
Chip lithography 4 nm 14 nm
Power consumption (TDP) 55 Watt 45 Watt

Ryzen 9 9955HX has a 596.5% higher aggregate performance score, an age advantage of 6 years, 300% more physical cores and 300% more threads, and a 250% more advanced lithography process.

Ryzen 5 2600H, on the other hand, has 50.4% faster integrated GPU, and 22.2% lower power consumption.

The AMD Ryzen 9 9955HX is our recommended choice as it beats the AMD Ryzen 5 2600H in performance tests.

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AMD Ryzen 9 9955HX
Ryzen 9 9955HX
AMD Ryzen 5 2600H
Ryzen 5 2600H

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Community ratings

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4.5 163 votes

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