Core 2 Duo SU9400 vs Ryzen 9 9955HX

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Aggregate performance score

Ryzen 9 9955HX
2025
16 cores / 32 threads, 55 Watt
35.94
+11131%
Core 2 Duo SU9400
2008
2 cores / 2 threads, 10 Watt
0.32

Ryzen 9 9955HX outperforms Core 2 Duo SU9400 by a whopping 11131% based on our aggregate benchmark results.

Primary details

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

Place in the ranking1213266
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesAMD Dragon Range (Zen 4, Ryzen 7045)Intel Core 2 Duo
Power efficiency25.271.24
DesignerAMDIntel
Architecture codenameFire Range-HX (Zen 5) (2025)Penryn (2008−2011)
Release date6 January 2025 (less than a year ago)20 August 2008 (16 years ago)
Launch price (MSRP)no data$262

Detailed specifications

Ryzen 9 9955HX and Core 2 Duo SU9400 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)2 (Dual-core)
Threads322
Base clock speedno data1.4 GHz
Boost clock speed5.4 GHz1.4 GHz
Bus rateno data800 MHz
L1 cache1.3 MB128 KB
L2 cache16 MB3 MB
L3 cache64 MB3 MB L2 Cache
Chip lithographyno data45 nm
Die sizeno data107 mm2
Maximum core temperatureno data105 °C
Number of transistorsno data410 Million
64 bit support++
Windows 11 compatibilityno data-
VID voltage rangeno data1.05V-1.15V

Compatibility

Information on Ryzen 9 9955HX and Core 2 Duo SU9400 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.

Socketno dataBGA956
Power consumption (TDP)55 Watt10 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 9955HX and Core 2 Duo SU9400. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)no data+
Turbo Boost Technologyno data-
Hyper-Threading Technologyno data-
Demand Based Switchingno data-
FSB parityno data-

Security technologies

Ryzen 9 9955HX and Core 2 Duo SU9400 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDBno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 9955HX and Core 2 Duo SU9400 are enumerated here.

VT-xno data+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardAMD Radeon 610M ( - 2200 MHz)no data

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 35.94
+11131%
Core 2 Duo SU9400 0.32

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 57789
+10992%
Core 2 Duo SU9400 521

Gaming performance

Pros & cons summary


Performance score 35.94 0.32
Recency 6 January 2025 20 August 2008
Physical cores 16 2
Threads 32 2
Power consumption (TDP) 55 Watt 10 Watt

Ryzen 9 9955HX has a 11131.3% higher aggregate performance score, an age advantage of 16 years, and 700% more physical cores and 1500% more threads.

Core 2 Duo SU9400, on the other hand, has 450% lower power consumption.

The AMD Ryzen 9 9955HX is our recommended choice as it beats the Intel Core 2 Duo SU9400 in performance tests.

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AMD Ryzen 9 9955HX
Ryzen 9 9955HX
Intel Core 2 Duo SU9400
Core 2 Duo SU9400

Other comparisons

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Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


4.1 24 votes

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