Phenom II X4 945 (95W) vs Ryzen 7 5800
Primary details
Comparing Ryzen 7 5800 and Phenom II X4 945 (95W) processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 394 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Desktop processor |
| Series | AMD Ryzen 7 | no data |
| Architecture codename | Vermeer (2020−2024) | Deneb (2009−2011) |
| Release date | 5 November 2020 (3 years ago) | 22 July 2009 (15 years ago) |
Detailed specifications
Ryzen 7 5800 and Phenom II X4 945 (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 | 8 (Octa-Core) | 4 (Quad-Core) |
| Threads | 16 | 4 |
| Base clock speed | 3.4 GHz | 3 GHz |
| Boost clock speed | 4.6 GHz | 3 GHz |
| Multiplier | 34 | no data |
| L1 cache | 64K (per core) | 128 KB (per core) |
| L2 cache | 512K (per core) | 512 KB (per core) |
| L3 cache | 32 MB | 6 MB (shared) |
| Chip lithography | 7 nm, 12 nm | 45 nm |
| Die size | 81 mm2 | 258 mm2 |
| Maximum case temperature (TCase) | 95 °C | no data |
| Number of transistors | 4,150 million | 758 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | - |
| Unlocked multiplier | + | - |
Compatibility
Information on Ryzen 7 5800 and Phenom II X4 945 (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 | 1 | 1 |
| Socket | AM4 | AM3 |
| Power consumption (TDP) | 65 Watt | 95 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 7 5800 and Phenom II X4 945 (95W). 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 7 5800 and Phenom II X4 945 (95W) are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 7 5800 and Phenom II X4 945 (95W). 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 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | - | On certain motherboards (Chipset feature) |
Peripherals
Specifications and connection of peripherals supported by Ryzen 7 5800 and Phenom II X4 945 (95W).
| PCIe version | 4.0 | 2.0 |
Pros & cons summary
| Recency | 5 November 2020 | 22 July 2009 |
| Physical cores | 8 | 4 |
| Threads | 16 | 4 |
| Chip lithography | 7 nm | 45 nm |
| Power consumption (TDP) | 65 Watt | 95 Watt |
Ryzen 7 5800 has an age advantage of 11 years, 100% more physical cores and 300% more threads, a 542.9% more advanced lithography process, and 46.2% lower power consumption.
We couldn't decide between Ryzen 7 5800 and Phenom II X4 945 (95W). We've got no test results to judge.
Should you still have questions on choice between Ryzen 7 5800 and Phenom II X4 945 (95W), ask them in Comments section, and we shall answer.
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