Ryzen 7 5700U vs Ryzen 9 9955HX

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Aggregate performance score

Ryzen 9 9955HX
2025
16 cores / 32 threads, 55 Watt
35.66
+267%
Ryzen 7 5700U
2021
8 cores / 16 threads, 15 Watt
9.72

Ryzen 9 9955HX outperforms Ryzen 7 5700U by a whopping 267% based on our aggregate benchmark results.

Primary details

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

Place in the ranking129912
Place by popularitynot in top-10028
Market segmentLaptopLaptop
SeriesAMD Dragon Range (Zen 4, Ryzen 7045)AMD Lucienne (Zen 2, Ryzen 5000)
Power efficiency25.0725.06
DesignerAMDAMD
Manufacturerno dataTSMC
Architecture codenameFire Range-HX (Zen 5) (2025)Lucienne-U (Zen 2) (2021)
Release date6 January 2025 (less than a year ago)12 January 2021 (4 years ago)

Detailed specifications

Ryzen 9 9955HX and Ryzen 7 5700U 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)8 (Octa-Core)
Threads3216
Base clock speedno data1.8 GHz
Boost clock speed5.4 GHz4.3 GHz
Multiplierno data18
L1 cache1.3 MB512 KB
L2 cache16 MB4 MB
L3 cache64 MB8 MB (shared)
Chip lithographyno data7 nm
Die sizeno data156 mm2
Maximum core temperatureno data105 °C
Number of transistorsno data9,800 million
64 bit support++
Windows 11 compatibilityno data+

Compatibility

Information on Ryzen 9 9955HX and Ryzen 7 5700U 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 configurationno data1
Socketno dataFP6
Power consumption (TDP)55 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 9955HX and Ryzen 7 5700U. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataMMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME
AES-NI-+
FMA-+
AVX-+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 9955HX and Ryzen 7 5700U are enumerated here.

AMD-V-+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 9955HX and Ryzen 7 5700U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR4
Maximum memory sizeno data64 GB

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardAMD Radeon 610M ( - 2200 MHz)AMD Radeon RX Vega 8 (Ryzen 4000/5000) ( - 1900 MHz)

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 9955HX and Ryzen 7 5700U.

PCIe versionno data3.0
PCI Express lanesno data12

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.

Ryzen 9 9955HX 35.66
+267%
Ryzen 7 5700U 9.72

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 57333
+267%
Ryzen 7 5700U 15634

Geekbench 5.5 Multi-Core

Ryzen 9 9955HX 22114
+253%
Ryzen 7 5700U 6259

7-Zip Single

Ryzen 9 9955HX 7230
+58.2%
Ryzen 7 5700U 4569

7-Zip

Ryzen 9 9955HX 143206
+250%
Ryzen 7 5700U 40898

CrossMark Overall

Ryzen 9 9955HX 2218
+106%
Ryzen 7 5700U 1079

WebXPRT 4 Overall

Ryzen 9 9955HX 299
+77.5%
Ryzen 7 5700U 168

Blender v3.3 Classroom CPU(-)

Ryzen 9 9955HX 124
Ryzen 7 5700U 697
+462%

Geekbench 6.4 Multi-Core

Ryzen 9 9955HX 19575
+242%
Ryzen 7 5700U 5722

Geekbench 6.4 Single-Core

Ryzen 9 9955HX 3225
+102%
Ryzen 7 5700U 1595

Gaming performance

Pros & cons summary


Performance score 35.66 9.72
Integrated graphics card 2.61 8.08
Recency 6 January 2025 12 January 2021
Physical cores 16 8
Threads 32 16
Power consumption (TDP) 55 Watt 15 Watt

Ryzen 9 9955HX has a 266.9% higher aggregate performance score, an age advantage of 3 years, and 100% more physical cores and 100% more threads.

Ryzen 7 5700U, on the other hand, has 209.6% faster integrated GPU, and 266.7% lower power consumption.

The AMD Ryzen 9 9955HX is our recommended choice as it beats the AMD Ryzen 7 5700U in performance tests.

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AMD Ryzen 9 9955HX
Ryzen 9 9955HX
AMD Ryzen 7 5700U
Ryzen 7 5700U

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Community ratings

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