Ryzen 9 5900H vs Core 2 Duo T6400
Aggregate performance score
Ryzen 9 5900H outperforms Core 2 Duo T6400 by a whopping 2689% based on our aggregate benchmark results.
Primary details
Comparing Core 2 Duo T6400 and Ryzen 9 5900H processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2947 | 594 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Core 2 Duo | AMD Cezanne (Zen 3, Ryzen 5000) |
| Power efficiency | 1.25 | 27.17 |
| Architecture codename | Penryn (2008−2011) | Cezanne U (Zen 3) (2021−2022) |
| Release date | 1 January 2009 (16 years ago) | 7 January 2021 (4 years ago) |
Detailed specifications
Core 2 Duo T6400 and Ryzen 9 5900H 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 | 2 (Dual-core) | 8 (Octa-Core) |
| Threads | 2 | 16 |
| Base clock speed | 2 GHz | 3.3 GHz |
| Boost clock speed | 2 GHz | 4.6 GHz |
| Bus rate | 800 MHz | no data |
| L1 cache | no data | 512 KB |
| L2 cache | 2 MB | 4 MB |
| L3 cache | 2 MB L2 Cache | 16 MB |
| Chip lithography | 45 nm | 7 nm |
| Maximum core temperature | 105 °C | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| VID voltage range | 1V-1.25V | no data |
Compatibility
Information on Core 2 Duo T6400 and Ryzen 9 5900H 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.
| Socket | PGA478 | FP6 |
| Power consumption (TDP) | 35 Watt | 45 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Duo T6400 and Ryzen 9 5900H. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | XFR, FMA3, SSE 4.2, AVX2, SMT |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | - | no data |
| Demand Based Switching | - | no data |
Security technologies
Core 2 Duo T6400 and Ryzen 9 5900H technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | no data |
| EDB | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core 2 Duo T6400 and Ryzen 9 5900H are enumerated here.
| VT-x | - | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | AMD Radeon RX Vega 8 (Ryzen 4000) |
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 | 0.46 | 12.83 |
| Recency | 1 January 2009 | 7 January 2021 |
| Physical cores | 2 | 8 |
| Threads | 2 | 16 |
| Chip lithography | 45 nm | 7 nm |
| Power consumption (TDP) | 35 Watt | 45 Watt |
Core 2 Duo T6400 has 28.6% lower power consumption.
Ryzen 9 5900H, on the other hand, has a 2689.1% higher aggregate performance score, an age advantage of 12 years, 300% more physical cores and 700% more threads, and a 542.9% more advanced lithography process.
The Ryzen 9 5900H is our recommended choice as it beats the Core 2 Duo T6400 in performance tests.
Should you still have questions on choice between Core 2 Duo T6400 and Ryzen 9 5900H, ask them in Comments section, and we shall answer.
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