Athlon II X2 255 vs Ryzen AI 9 HX 375

VS

Aggregate performance score

Ryzen AI 9 HX 375
2024
12 cores / 24 threads, 54 Watt
21.38
+2677%

Ryzen AI 9 HX 375 outperforms Athlon II X2 255 by a whopping 2677% based on our aggregate benchmark results.

Primary details

Comparing Ryzen AI 9 HX 375 and Athlon II X2 255 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2642658
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data0.02
Market segmentLaptopDesktop processor
SeriesAMD Strix Point (Zen 5/5c, Ryzen AI 3/5/7/9)no data
Power efficiency36.101.08
Architecture codenameStrix Point-HX (Zen 5) (2024)Regor (2009−2013)
Release date25 July 2024 (less than a year ago)25 January 2010 (14 years ago)
Launch price (MSRP)no data$60

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Ryzen AI 9 HX 375 and Athlon II X2 255 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)2 (Dual-core)
Threads242
Base clock speed2 GHz3.1 GHz
Boost clock speed5.1 GHz3.1 GHz
L1 cacheno data128 KB
L2 cache12 MB1 MB
L3 cache24 MB0 KB
Chip lithography4 nm45 nm
Die sizeno data117 mm2
Maximum core temperature100 °Cno data
Number of transistorsno data410 million
64 bit support++
Windows 11 compatibilityno data-

Compatibility

Information on Ryzen AI 9 HX 375 and Athlon II X2 255 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
SocketFP8AM3
Power consumption (TDP)54 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen AI 9 HX 375 and Athlon II X2 255. You'll probably need this information if you require some particular technology.

Instruction set extensionsUSB 4, XDNA 2 NPU (55 TOPS), SMT, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4Ano data
AES-NI+-
AVX+-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen AI 9 HX 375 and Athlon II X2 255. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5DDR3

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardAMD Radeon 890Mno data

Peripherals

Specifications and connection of peripherals supported by Ryzen AI 9 HX 375 and Athlon II X2 255.

PCIe versionno data2.0

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 AI 9 HX 375 21.38
+2677%
Athlon II X2 255 0.77

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 AI 9 HX 375 32724
+2685%
Athlon II X2 255 1175

Gaming performance

Pros & cons summary


Performance score 21.38 0.77
Recency 25 July 2024 25 January 2010
Physical cores 12 2
Threads 24 2
Chip lithography 4 nm 45 nm
Power consumption (TDP) 54 Watt 65 Watt

Ryzen AI 9 HX 375 has a 2676.6% higher aggregate performance score, an age advantage of 14 years, 500% more physical cores and 1100% more threads, a 1025% more advanced lithography process, and 20.4% lower power consumption.

The Ryzen AI 9 HX 375 is our recommended choice as it beats the Athlon II X2 255 in performance tests.

Be aware that Ryzen AI 9 HX 375 is a notebook processor while Athlon II X2 255 is a desktop one.


Should you still have questions on choice between Ryzen AI 9 HX 375 and Athlon II X2 255, ask them in Comments section, and we shall answer.

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AMD Ryzen AI 9 HX 375
Ryzen AI 9 HX 375
AMD Athlon II X2 255
Athlon II X2 255

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Community ratings

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