Xeon E-2478 vs Phenom II X3 P820
Aggregate performance score
Xeon E-2478 outperforms Phenom II X3 P820 by a whopping 2725% based on our aggregate benchmark results.
Primary details
Comparing Phenom II X3 P820 and Xeon E-2478 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2734 | 311 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 82.50 |
| Market segment | Laptop | Server |
| Series | 3x AMD Phenom II | no data |
| Power efficiency | 2.52 | 22.22 |
| Architecture codename | Champlain (2010−2011) | Raptor Lake-S (2023−2024) |
| Release date | 12 May 2010 (14 years ago) | 14 December 2023 (less than a year ago) |
| Launch price (MSRP) | no data | $568 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Phenom II X3 P820 and Xeon E-2478 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 | 2.8 GHz |
| Boost clock speed | 1.8 GHz | 5.2 GHz |
| Bus rate | 3600 MHz | 16 GT/s |
| L1 cache | 384 KB | 80 KB (per core) |
| L2 cache | 1.5 MB | 2 MB (per core) |
| L3 cache | no data | 24 MB (shared) |
| Chip lithography | 45 nm | Intel 7 nm |
| Die size | no data | 257 mm2 |
| Maximum core temperature | no data | 100 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
Compatibility
Information on Phenom II X3 P820 and Xeon E-2478 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 | FCLGA1700 |
| Power consumption (TDP) | 25 Watt | 80 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Phenom II X3 P820 and Xeon E-2478. 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 |
| 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 Xeon E-2478 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
| Secure Key | no data | + |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Phenom II X3 P820 and Xeon E-2478 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 Xeon E-2478. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR5-4800 |
| Maximum memory size | no data | 128 GB |
| Max memory channels | no data | 2 |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | N/A |
Peripherals
Specifications and connection of peripherals supported by Phenom II X3 P820 and Xeon E-2478.
| PCIe version | no data | 5 |
| PCI Express lanes | no data | 16 |
Pros & cons summary
| Performance score | 0.69 | 19.49 |
| Recency | 12 May 2010 | 14 December 2023 |
| Physical cores | 3 | 8 |
| Threads | 3 | 16 |
| Power consumption (TDP) | 25 Watt | 80 Watt |
Phenom II X3 P820 has 220% lower power consumption.
Xeon E-2478, on the other hand, has a 2724.6% higher aggregate performance score, an age advantage of 13 years, and 166.7% more physical cores and 433.3% more threads.
The Xeon E-2478 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 Xeon E-2478 is a server/workstation one.
Should you still have questions on choice between Phenom II X3 P820 and Xeon E-2478, ask them in Comments section, and we shall answer.
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