i5-10400 vs Phenom II X3 P820
Aggregate performance score
Core i5-10400 outperforms Phenom II X3 P820 by a whopping 1056% based on our aggregate benchmark results.
Primary details
Comparing Phenom II X3 P820 and Core i5-10400 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2740 | 961 |
| Place by popularity | not in top-100 | 87 |
| Market segment | Laptop | Desktop processor |
| Series | 3x AMD Phenom II | no data |
| Power efficiency | 2.50 | 11.11 |
| Architecture codename | Champlain (2010−2011) | Comet Lake (2020) |
| Release date | 12 May 2010 (14 years ago) | 30 April 2020 (4 years ago) |
Detailed specifications
Phenom II X3 P820 and Core i5-10400 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) | 6 (Hexa-Core) |
| Threads | 3 | 12 |
| Base clock speed | no data | 2.9 GHz |
| Boost clock speed | 1.8 GHz | 4.3 GHz |
| Bus rate | 3600 MHz | 8 GT/s |
| L1 cache | 384 KB | 64K (per core) |
| L2 cache | 1.5 MB | 256K (per core) |
| L3 cache | no data | 12 MB (shared) |
| Chip lithography | 45 nm | 14 nm |
| Maximum core temperature | no data | 100 °C |
| Maximum case temperature (TCase) | no data | 72 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
Compatibility
Information on Phenom II X3 P820 and Core i5-10400 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 | FCLGA1200 |
| Power consumption (TDP) | 25 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Phenom II X3 P820 and Core i5-10400. 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) | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| AES-NI | - | + |
| AVX | - | + |
| VirusProtect | + | - |
| Enhanced SpeedStep (EIST) | 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 | - |
Security technologies
Phenom II X3 P820 and Core i5-10400 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
| Secure Key | no data | + |
| Identity Protection | - | + |
| SGX | no data | Yes with Intel® ME |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Phenom II X3 P820 and Core i5-10400 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 X3 P820 and Core i5-10400. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR4-2666 |
| Maximum memory size | no data | 128 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 41.6 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel UHD Graphics 630 |
| Max video memory | no data | 64 GB |
| Quick Sync Video | - | + |
| Clear Video | no data | + |
| Clear Video HD | no data | + |
| Graphics max frequency | no data | 1.1 GHz |
| InTru 3D | no data | + |
Graphics interfaces
Available interfaces and connections of Phenom II X3 P820 and Core i5-10400 integrated GPUs.
| Number of displays supported | no data | 3 |
Graphics image quality
Maximum display resolutions supported by Phenom II X3 P820 and Core i5-10400 integrated GPUs, including resolutions over different interfaces.
| 4K resolution support | no data | + |
| Max resolution over HDMI 1.4 | no data | 4096 x 2160@30Hz |
| Max resolution over eDP | no data | 4096 x 2304@60Hz |
| Max resolution over DisplayPort | no data | 4096 x 2304@60Hz |
Graphics API support
APIs supported by Phenom II X3 P820 and Core i5-10400 integrated GPUs, sometimes API versions are included.
| DirectX | no data | 12 |
| OpenGL | no data | 4.5 |
Peripherals
Specifications and connection of peripherals supported by Phenom II X3 P820 and Core i5-10400.
| PCIe version | no data | 3.0 |
| PCI Express lanes | no data | 16 |
Pros & cons summary
| Performance score | 0.66 | 7.63 |
| Recency | 12 May 2010 | 30 April 2020 |
| Physical cores | 3 | 6 |
| Threads | 3 | 12 |
| Chip lithography | 45 nm | 14 nm |
| Power consumption (TDP) | 25 Watt | 65 Watt |
Phenom II X3 P820 has 160% lower power consumption.
i5-10400, on the other hand, has a 1056.1% higher aggregate performance score, an age advantage of 9 years, 100% more physical cores and 300% more threads, and a 221.4% more advanced lithography process.
The Core i5-10400 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 Core i5-10400 is a desktop one.
Should you still have questions on choice between Phenom II X3 P820 and Core i5-10400, ask them in Comments section, and we shall answer.
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