Phenom II X6 1055T (125W) vs Xeon E5420
Primary details
Comparing Xeon E5420 and Phenom II X6 1055T (125W) processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2283 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Desktop processor |
| Power efficiency | 1.50 | no data |
| Architecture codename | no data | Thuban (2010) |
| Release date | 1 October 2007 (17 years ago) | 27 April 2010 (14 years ago) |
Detailed specifications
Xeon E5420 and Phenom II X6 1055T (125W) 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 | no data | 6 (Hexa-Core) |
| Threads | no data | 6 |
| Base clock speed | 2.5 GHz | 2.8 GHz |
| Boost clock speed | no data | 3.3 GHz |
| L1 cache | no data | 128 KB (per core) |
| L2 cache | no data | 512 KB (per core) |
| L3 cache | 12 MB L2 Cache | 6 MB (shared) |
| Chip lithography | 45 nm | 45 nm |
| Die size | no data | 346 mm2 |
| Maximum core temperature | 67 °C | no data |
| Number of transistors | no data | 904 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| VID voltage range | 0.85V-1.35V | no data |
Compatibility
Information on Xeon E5420 and Phenom II X6 1055T (125W) 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 | LGA771 | AM3 |
| Power consumption (TDP) | 80 Watt | 125 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon E5420 and Phenom II X6 1055T (125W). You'll probably need this information if you require some particular technology.
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | - | no data |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| Demand Based Switching | + | no data |
| FSB parity | + | no data |
Security technologies
Xeon E5420 and Phenom II X6 1055T (125W) technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | no data |
| EDB | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon E5420 and Phenom II X6 1055T (125W) are enumerated here.
| VT-x | + | no data |
| EPT | - | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon E5420 and Phenom II X6 1055T (125W). Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR3 |
Peripherals
Specifications and connection of peripherals supported by Xeon E5420 and Phenom II X6 1055T (125W).
| PCIe version | no data | 2.0 |
Pros & cons summary
| Recency | 1 October 2007 | 27 April 2010 |
| Power consumption (TDP) | 80 Watt | 125 Watt |
Xeon E5420 has 56.3% lower power consumption.
Phenom II X6 1055T (125W), on the other hand, has an age advantage of 2 years.
We couldn't decide between Xeon E5420 and Phenom II X6 1055T (125W). We've got no test results to judge.
Be aware that Xeon E5420 is a server/workstation processor while Phenom II X6 1055T (125W) is a desktop one.
Should you still have questions on choice between Xeon E5420 and Phenom II X6 1055T (125W), ask them in Comments section, and we shall answer.
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