Ryzen 7 5700X vs Phenom II X3 P820
Aggregate performance score
Ryzen 7 5700X outperforms Phenom II X3 P820 by a whopping 2444% based on our aggregate benchmark results.
Primary details
Comparing Phenom II X3 P820 and Ryzen 7 5700X processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2740 | 383 |
| Place by popularity | not in top-100 | 23 |
| Cost-effectiveness evaluation | no data | 39.17 |
| Market segment | Laptop | Desktop processor |
| Series | 3x AMD Phenom II | no data |
| Power efficiency | 2.50 | 24.45 |
| Architecture codename | Champlain (2010−2011) | Vermeer (Zen 3) (2020−2022) |
| Release date | 12 May 2010 (14 years ago) | 4 April 2022 (2 years ago) |
| Launch price (MSRP) | no data | $299 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Phenom II X3 P820 and Ryzen 7 5700X 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 | 3 (Tri-Core) | 8 (Octa-Core) |
| Threads | 3 | 16 |
| Base clock speed | no data | 3.4 GHz |
| Boost clock speed | 1.8 GHz | 4.6 GHz |
| Bus rate | 3600 MHz | no data |
| L1 cache | 384 KB | 64K (per core) |
| L2 cache | 1.5 MB | 512K (per core) |
| L3 cache | no data | 32 MB (shared) |
| Chip lithography | 45 nm | 7 nm |
| Die size | no data | 81 mm2 |
| Maximum core temperature | no data | 90 °C |
| Maximum case temperature (TCase) | no data | 95 °C |
| Number of transistors | no data | 4,150 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| Unlocked multiplier | - | + |
Compatibility
Information on Phenom II X3 P820 and Ryzen 7 5700X 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 | S1 | AM4 |
| Power consumption (TDP) | 25 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Phenom II X3 P820 and Ryzen 7 5700X. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Virtualization, AMD64, Advanced Virus Protection, SSE(1,2,3,4a) | 86x MMX(+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A,-64, AMD-V, AES, AVX, AVX2, FMA3, SHA, Precision Boost 2 |
| AES-NI | - | + |
| AVX | - | + |
| VirusProtect | + | - |
| Precision Boost 2 | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Phenom II X3 P820 and Ryzen 7 5700X are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Phenom II X3 P820 and Ryzen 7 5700X. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR4-3200 |
Peripherals
Specifications and connection of peripherals supported by Phenom II X3 P820 and Ryzen 7 5700X.
| PCIe version | no data | 4.0 |
| PCI Express lanes | no data | 20 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
Cinebench 10 32-bit single-core
Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.
Cinebench 10 32-bit multi-core
Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.
3DMark06 CPU
3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.
Cinebench 11.5 64-bit multi-core
Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.
Pros & cons summary
| Performance score | 0.66 | 16.79 |
| Recency | 12 May 2010 | 4 April 2022 |
| Physical cores | 3 | 8 |
| Threads | 3 | 16 |
| Chip lithography | 45 nm | 7 nm |
| Power consumption (TDP) | 25 Watt | 65 Watt |
Phenom II X3 P820 has 160% lower power consumption.
Ryzen 7 5700X, on the other hand, has a 2443.9% higher aggregate performance score, an age advantage of 11 years, 166.7% more physical cores and 433.3% more threads, and a 542.9% more advanced lithography process.
The Ryzen 7 5700X is our recommended choice as it beats the Phenom II X3 P820 in performance tests.
Be aware that Phenom II X3 P820 is a notebook processor while Ryzen 7 5700X is a desktop one.
Should you still have questions on choice between Phenom II X3 P820 and Ryzen 7 5700X, ask them in Comments section, and we shall answer.
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