Phenom II X4 955 (95W) vs Ryzen 5 3450U
Primary details
Comparing Ryzen 5 3450U and Phenom II X4 955 (95W) processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1368 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | AMD Picasso (Ryzen 3000 APU) | no data |
| Power efficiency | 26.75 | no data |
| Architecture codename | Picasso-U (Zen+) (2019−2020) | Deneb (2009−2011) |
| Release date | 1 May 2020 (4 years ago) | 1 April 2009 (15 years ago) |
Detailed specifications
Ryzen 5 3450U and Phenom II X4 955 (95W) 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) | 4 (Quad-Core) |
| Threads | 8 | 4 |
| Base clock speed | 2.1 GHz | 3.2 GHz |
| Boost clock speed | 3.5 GHz | 3.2 GHz |
| L1 cache | 384 KB | 128 KB (per core) |
| L2 cache | 2 MB | 512 KB (per core) |
| L3 cache | 4 MB | 6 MB (shared) |
| Chip lithography | 12 nm | 45 nm |
| Die size | no data | 258 mm2 |
| Maximum core temperature | 105 °C | no data |
| Number of transistors | 4500 Million | 758 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | - |
Compatibility
Information on Ryzen 5 3450U and Phenom II X4 955 (95W) 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 | FP5 | AM3 |
| Power consumption (TDP) | 15 Watt | 95 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 5 3450U and Phenom II X4 955 (95W). You'll probably need this information if you require some particular technology.
| Instruction set extensions | 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 | no data |
| AES-NI | + | - |
| FMA | + | - |
| AVX | + | - |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 5 3450U and Phenom II X4 955 (95W) are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 5 3450U and Phenom II X4 955 (95W). Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR3 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon RX Vega 8 (Ryzen 2000/3000) | On certain motherboards (Chipset feature) |
Peripherals
Specifications and connection of peripherals supported by Ryzen 5 3450U and Phenom II X4 955 (95W).
| PCIe version | no data | 2.0 |
Pros & cons summary
| Recency | 1 May 2020 | 1 April 2009 |
| Threads | 8 | 4 |
| Chip lithography | 12 nm | 45 nm |
| Power consumption (TDP) | 15 Watt | 95 Watt |
Ryzen 5 3450U has an age advantage of 11 years, 100% more threads, a 275% more advanced lithography process, and 533.3% lower power consumption.
We couldn't decide between Ryzen 5 3450U and Phenom II X4 955 (95W). We've got no test results to judge.
Be aware that Ryzen 5 3450U is a notebook processor while Phenom II X4 955 (95W) is a desktop one.
Should you still have questions on choice between Ryzen 5 3450U and Phenom II X4 955 (95W), ask them in Comments section, and we shall answer.
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