Phenom X4 9950 BE (125W) vs Ryzen Threadripper PRO 5955WX
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 209 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Desktop processor |
| Series | AMD Ryzen Threadripper | no data |
| Power efficiency | 4.18 | no data |
| Designer | AMD | AMD |
| Manufacturer | TSMC | no data |
| Architecture codename | Chagall PRO (2022) | Agena (2007−2008) |
| Release date | 8 March 2022 (3 years ago) | October 2008 (17 years ago) |
Detailed specifications
Ryzen Threadripper PRO 5955WX and Phenom X4 9950 BE (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 | 16 (Hexadeca-Core) | 4 (Quad-Core) |
| Threads | 32 | 4 |
| Base clock speed | 4 GHz | no data |
| Boost clock speed | 4.5 GHz | 2.6 GHz |
| Multiplier | 40 | no data |
| L1 cache | 64K (per core) | 128 KB (per core) |
| L2 cache | 512K (per core) | 512 KB (per core) |
| L3 cache | 64 MB | 2 MB (shared) |
| Chip lithography | 7 nm | 65 nm |
| Die size | 4x 81 mm2 | 285 mm2 |
| Maximum case temperature (TCase) | 95 °C | no data |
| Number of transistors | 16,600 million | 450 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | - |
| Unlocked multiplier | - | + |
Compatibility
Information on Ryzen Threadripper PRO 5955WX and Phenom X4 9950 BE (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 | WRX8 | AM2+ |
| Power consumption (TDP) | 280 Watt | 125 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen Threadripper PRO 5955WX and Phenom X4 9950 BE (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 Threadripper PRO 5955WX and Phenom X4 9950 BE (125W) are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen Threadripper PRO 5955WX and Phenom X4 9950 BE (125W). Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-3200 | no data |
| Maximum memory size | 2 TiB | no data |
| Maximum memory bandwidth | 204.8 GB/s | no data |
Peripherals
Specifications and connection of peripherals supported by Ryzen Threadripper PRO 5955WX and Phenom X4 9950 BE (125W).
| PCIe version | 4.0 | no data |
| PCI Express lanes | 128 | no data |
Pros & cons summary
| Physical cores | 16 | 4 |
| Threads | 32 | 4 |
| Chip lithography | 7 nm | 65 nm |
| Power consumption (TDP) | 280 Watt | 125 Watt |
Ryzen Threadripper PRO 5955WX has 300% more physical cores and 700% more threads, and a 828.6% more advanced lithography process.
Phenom X4 9950 BE (125W), on the other hand, has 124% lower power consumption.
We couldn't decide between AMD Ryzen Threadripper PRO 5955WX and AMD Phenom X4 9950 BE (125W). We've got no test results to judge.
Be aware that Ryzen Threadripper PRO 5955WX is a server/workstation processor while Phenom X4 9950 BE (125W) is a desktop one.
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