Celeron 947UE vs Xeon L5420
Primary details
Comparing Xeon L5420 and Celeron 947UE processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2242 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Laptop |
| Power efficiency | 2.56 | no data |
| Architecture codename | no data | Ivy Bridge (2012−2013) |
| Release date | 1 January 2008 (16 years ago) | 20 January 2013 (11 years ago) |
Detailed specifications
Xeon L5420 and Celeron 947UE 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 | 1 (Single-Core) |
| Threads | no data | 1 |
| Base clock speed | 2.5 GHz | no data |
| Boost clock speed | no data | 1.4 GHz |
| L1 cache | no data | 64 KB (per core) |
| L2 cache | no data | 256 KB (per core) |
| L3 cache | 12 MB L2 Cache | 1024 KB |
| Chip lithography | 45 nm | 22 nm |
| Die size | no data | 118 mm2 |
| Maximum core temperature | 57 °C | no data |
| Maximum case temperature (TCase) | no data | 105 °C |
| Number of transistors | no data | 1,400 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| VID voltage range | 0.85V-1.35V | no data |
Compatibility
Information on Xeon L5420 and Celeron 947UE 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 | Intel BGA1023 |
| Power consumption (TDP) | 50 Watt | 17 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon L5420 and Celeron 947UE. You'll probably need this information if you require some particular technology.
| Enhanced SpeedStep (EIST) | + | + |
| 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 L5420 and Celeron 947UE 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 L5420 and Celeron 947UE are enumerated here.
| VT-x | + | + |
| EPT | - | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon L5420 and Celeron 947UE. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR3 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel HD |
Pros & cons summary
| Recency | 1 January 2008 | 20 January 2013 |
| Chip lithography | 45 nm | 22 nm |
| Power consumption (TDP) | 50 Watt | 17 Watt |
Celeron 947UE has an age advantage of 5 years, a 104.5% more advanced lithography process, and 194.1% lower power consumption.
We couldn't decide between Xeon L5420 and Celeron 947UE. We've got no test results to judge.
Be aware that Xeon L5420 is a server/workstation processor while Celeron 947UE is a notebook one.
Should you still have questions on choice between Xeon L5420 and Celeron 947UE, ask them in Comments section, and we shall answer.
Similar processor comparisons
We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.
