Ryzen 5 PRO 4650U vs Phenom II X4 945 (125W)
Primary details
Comparing Phenom II X4 945 (125W) and Ryzen 5 PRO 4650U processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 937 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Series | no data | AMD Renoir (Ryzen 4000 APU) |
| Power efficiency | no data | 50.15 |
| Architecture codename | Deneb (2009−2011) | Renoir-U PRO (Zen 2) (2020) |
| Release date | 23 April 2009 (15 years ago) | 7 May 2020 (4 years ago) |
Detailed specifications
Phenom II X4 945 (125W) and Ryzen 5 PRO 4650U 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 | 4 (Quad-Core) | 6 (Hexa-Core) |
| Threads | 4 | 12 |
| Base clock speed | 3 GHz | 2.1 GHz |
| Boost clock speed | 3 GHz | 4 GHz |
| Bus type | no data | PCIe 3.0 |
| Multiplier | no data | 21 |
| L1 cache | 128 KB (per core) | 64K (per core) |
| L2 cache | 512 KB (per core) | 512K (per core) |
| L3 cache | 6 MB (shared) | 8 MB (shared) |
| Chip lithography | 45 nm | 7 nm |
| Die size | 258 mm2 | 156 mm2 |
| Maximum core temperature | no data | 105 °C |
| Number of transistors | 758 million | 9,800 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
Compatibility
Information on Phenom II X4 945 (125W) and Ryzen 5 PRO 4650U 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 | AM3 | FP6 |
| Power consumption (TDP) | 125 Watt | 15 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Phenom II X4 945 (125W) and Ryzen 5 PRO 4650U. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | PRO, MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME |
| AES-NI | - | + |
| FMA | - | + |
| AVX | - | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Phenom II X4 945 (125W) and Ryzen 5 PRO 4650U are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Phenom II X4 945 (125W) and Ryzen 5 PRO 4650U. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR4 |
| Maximum memory size | no data | 64 GB |
| Max memory channels | no data | 4 |
| Maximum memory bandwidth | no data | 68.27 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | On certain motherboards (Chipset feature) | AMD Radeon RX Vega 6 (Ryzen 4000/5000) |
Peripherals
Specifications and connection of peripherals supported by Phenom II X4 945 (125W) and Ryzen 5 PRO 4650U.
| PCIe version | 2.0 | 3.0 |
Pros & cons summary
| Recency | 23 April 2009 | 7 May 2020 |
| Physical cores | 4 | 6 |
| Threads | 4 | 12 |
| Chip lithography | 45 nm | 7 nm |
| Power consumption (TDP) | 125 Watt | 15 Watt |
Ryzen 5 PRO 4650U has an age advantage of 11 years, 50% more physical cores and 200% more threads, a 542.9% more advanced lithography process, and 733.3% lower power consumption.
We couldn't decide between Phenom II X4 945 (125W) and Ryzen 5 PRO 4650U. We've got no test results to judge.
Note that Phenom II X4 945 (125W) is a desktop processor while Ryzen 5 PRO 4650U is a notebook one.
Should you still have questions on choice between Phenom II X4 945 (125W) and Ryzen 5 PRO 4650U, ask them in Comments section, and we shall answer.
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