i5-12600KF vs Phenom II X4 820
Aggregate performance score
Core i5-12600KF outperforms Phenom II X4 820 by a whopping 1241% based on our aggregate benchmark results.
Primary details
Comparing Phenom II X4 820 and Core i5-12600KF processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2254 | 351 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 2.10 | 46.89 |
| Market segment | Desktop processor | Desktop processor |
| Series | no data | Intel Core i5 |
| Power efficiency | 1.31 | 13.31 |
| Architecture codename | Deneb (2009−2011) | Alder Lake, Golden Cove, Gracemont (2021) |
| Release date | 1 September 2009 (15 years ago) | 27 October 2021 (3 years ago) |
| Launch price (MSRP) | $90 | $264 |
Cost-effectiveness evaluation
Performance per price, higher is better.
i5-12600KF has 2133% better value for money than Phenom II X4 820.
Detailed specifications
Phenom II X4 820 and Core i5-12600KF 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) | 10 (Deca-Core) |
| Threads | 4 | 16 |
| Base clock speed | 2.8 GHz | 3.7 GHz |
| Boost clock speed | 2.8 GHz | 4.9 GHz |
| Bus type | no data | DMI 4.0 |
| Bus rate | no data | 8 × 16 GT/s |
| Multiplier | no data | 37 |
| L1 cache | 128 KB (per core) | 384 KB |
| L2 cache | 512 KB (per core) | 9.5 MB |
| L3 cache | 4 MB (shared) | 2 MB |
| Chip lithography | 45 nm | Intel 7 nm |
| Die size | 258 mm2 | 215.25 mm2 |
| Maximum core temperature | no data | 100 °C |
| Maximum case temperature (TCase) | no data | 72 °C |
| Number of transistors | 758 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| Unlocked multiplier | - | + |
Compatibility
Information on Phenom II X4 820 and Core i5-12600KF 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 | FCLGA1700 |
| Power consumption (TDP) | 95 Watt | 125 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Phenom II X4 820 and Core i5-12600KF. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| AES-NI | - | + |
| AVX | - | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Speed Shift | no data | + |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | no data | + |
| Idle States | no data | + |
| Thermal Monitoring | - | + |
| Turbo Boost Max 3.0 | no data | - |
| Deep Learning Boost | - | + |
Security technologies
Phenom II X4 820 and Core i5-12600KF technologies aimed at improving security, for example, by protecting against hacks.
| EDB | no data | + |
| Secure Key | no data | + |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Phenom II X4 820 and Core i5-12600KF are enumerated here.
| AMD-V | + | - |
| VT-d | no data | + |
| VT-x | no data | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Phenom II X4 820 and Core i5-12600KF. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR5-4800, DDR4-3200 |
| Maximum memory size | no data | 128 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 76.805 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | On certain motherboards (Chipset feature) | no data |
Peripherals
Specifications and connection of peripherals supported by Phenom II X4 820 and Core i5-12600KF.
| PCIe version | 2.0 | 5.0 and 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.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.
GeekBench 5 Single-Core
GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.
GeekBench 5 Multi-Core
GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.
Pros & cons summary
| Performance score | 1.36 | 18.24 |
| Recency | 1 September 2009 | 27 October 2021 |
| Physical cores | 4 | 10 |
| Threads | 4 | 16 |
| Power consumption (TDP) | 95 Watt | 125 Watt |
Phenom II X4 820 has 31.6% lower power consumption.
i5-12600KF, on the other hand, has a 1241.2% higher aggregate performance score, an age advantage of 12 years, and 150% more physical cores and 300% more threads.
The Core i5-12600KF is our recommended choice as it beats the Phenom II X4 820 in performance tests.
Should you still have questions on choice between Phenom II X4 820 and Core i5-12600KF, ask them in Comments section, and we shall answer.
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