Phenom X3 8400 vs Ryzen AI 9 HX 375
Aggregate performance score
Ryzen AI 9 HX 375 outperforms Phenom X3 8400 by a whopping 2489% based on our aggregate benchmark results.
Primary details
Comparing Ryzen AI 9 HX 375 and Phenom X3 8400 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 302 | 2670 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | AMD Strix Point (Zen 5/5c, Ryzen AI 3/5/7/9) | no data |
| Power efficiency | 33.40 | 0.73 |
| Architecture codename | Strix Point-HX (Zen 5) (2024) | Toliman (2008) |
| Release date | 25 July 2024 (less than a year ago) | March 2008 (16 years ago) |
Detailed specifications
Ryzen AI 9 HX 375 and Phenom X3 8400 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 cores | 12 (Dodeca-Core) | 3 (Tri-Core) |
| Threads | 24 | 3 |
| Base clock speed | 2 GHz | no data |
| Boost clock speed | 5.1 GHz | 2.1 GHz |
| L1 cache | no data | 128 KB (per core) |
| L2 cache | 12 MB | 512 KB (per core) |
| L3 cache | 24 MB | 2 MB (shared) |
| Chip lithography | 4 nm | 65 nm |
| Die size | no data | 285 mm2 |
| Maximum core temperature | 100 °C | no data |
| Number of transistors | no data | 450 million |
| 64 bit support | + | + |
| Windows 11 compatibility | no data | - |
Compatibility
Information on Ryzen AI 9 HX 375 and Phenom X3 8400 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 configuration | no data | 1 |
| Socket | FP8 | AM2+ |
| Power consumption (TDP) | 54 Watt | 95 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen AI 9 HX 375 and Phenom X3 8400. You'll probably need this information if you require some particular technology.
| Instruction set extensions | USB 4, XDNA 2 NPU (55 TOPS), SMT, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A | no data |
| AES-NI | + | - |
| AVX | + | - |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen AI 9 HX 375 and Phenom X3 8400 are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen AI 9 HX 375 and Phenom X3 8400. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon 890M | 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. 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.
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.
Pros & cons summary
| Performance score | 19.42 | 0.75 |
| Physical cores | 12 | 3 |
| Threads | 24 | 3 |
| Chip lithography | 4 nm | 65 nm |
| Power consumption (TDP) | 54 Watt | 95 Watt |
Ryzen AI 9 HX 375 has a 2489.3% higher aggregate performance score, 300% more physical cores and 700% more threads, a 1525% more advanced lithography process, and 75.9% lower power consumption.
The Ryzen AI 9 HX 375 is our recommended choice as it beats the Phenom X3 8400 in performance tests.
Be aware that Ryzen AI 9 HX 375 is a notebook processor while Phenom X3 8400 is a desktop one.
Should you still have questions on choice between Ryzen AI 9 HX 375 and Phenom X3 8400, ask them in Comments section, and we shall answer.
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