Phenom II X6 1055T (125W) vs Ryzen 9 5900
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 356 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Desktop processor |
| Series | AMD Ryzen 9 | no data |
| Power efficiency | 31.72 | no data |
| Designer | AMD | AMD |
| Manufacturer | TSMC | no data |
| Architecture codename | Vermeer (2020−2025) | Thuban (2010) |
| Release date | 12 January 2021 (4 years ago) | 27 April 2010 (15 years ago) |
Detailed specifications
Ryzen 9 5900 and Phenom II X6 1055T (125W) 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) | 6 (Hexa-Core) |
| Threads | 24 | 6 |
| Base clock speed | 3 GHz | 2.8 GHz |
| Boost clock speed | 4.7 GHz | 3.3 GHz |
| Multiplier | 30 | no data |
| L1 cache | 64K (per core) | 128 KB (per core) |
| L2 cache | 512K (per core) | 512 KB (per core) |
| L3 cache | 64 MB | 6 MB (shared) |
| Chip lithography | 7 nm, 12 nm | 45 nm |
| Die size | 81 mm2 | 346 mm2 |
| Maximum case temperature (TCase) | 95 °C | no data |
| Number of transistors | 4,150 million | 904 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | - |
| Unlocked multiplier | + | - |
Compatibility
Information on Ryzen 9 5900 and Phenom II X6 1055T (125W) 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 | 1 | 1 |
| Socket | AM4 | AM3 |
| Power consumption (TDP) | 65 Watt | 125 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 9 5900 and Phenom II X6 1055T (125W). You'll probably need this information if you require some particular technology.
| AES-NI | + | - |
| AVX | + | - |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 9 5900 and Phenom II X6 1055T (125W) are enumerated here.
| AMD-V | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 9 5900 and Phenom II X6 1055T (125W). Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-3200 | DDR3 |
| Maximum memory size | 128 GB | no data |
| Maximum memory bandwidth | 51.196 GB/s | no data |
Peripherals
Specifications and connection of peripherals supported by Ryzen 9 5900 and Phenom II X6 1055T (125W).
| PCIe version | 4.0 | 2.0 |
Pros & cons summary
| Recency | 12 January 2021 | 27 April 2010 |
| Physical cores | 12 | 6 |
| Threads | 24 | 6 |
| Chip lithography | 7 nm | 45 nm |
| Power consumption (TDP) | 65 Watt | 125 Watt |
Ryzen 9 5900 has an age advantage of 10 years, 100% more physical cores and 300% more threads, a 542.9% more advanced lithography process, and 92.3% lower power consumption.
We couldn't decide between AMD Ryzen 9 5900 and AMD Phenom II X6 1055T (125W). We've got no test results to judge.
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