Atom N270 vs Xeon E5450
Aggregate performance score
Xeon E5450 outperforms Atom N270 by a whopping 1900% based on our aggregate benchmark results.
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2250 | 3557 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.11 | no data |
| Market segment | Server | Laptop |
| Series | no data | Intel Atom |
| Power efficiency | 1.93 | 3.09 |
| Designer | Intel | Intel |
| Manufacturer | Intel | no data |
| Architecture codename | Harpertown (2007−2008) | DiamondVille (2008−2009) |
| Release date | 11 November 2007 (17 years ago) | 2 April 2008 (17 years ago) |
| Launch price (MSRP) | $915 | $44 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Xeon E5450 and Atom N270 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) | 1 (Single-Core) |
| Threads | 4 | 2 |
| Base clock speed | 3 GHz | 1.6 GHz |
| Boost clock speed | 3 GHz | 0.1 GHz |
| Bus type | no data | FSB |
| Bus rate | no data | 533.33 MT/s |
| Multiplier | no data | 12 |
| L1 cache | 64 KB (per core) | 56 KB |
| L2 cache | 6 MB (per die) | 512 KB |
| L3 cache | 12 MB L2 Cache | 0 KB |
| Chip lithography | 45 nm | 45 nm |
| Die size | 2x 107 mm2 | 25.9638 mm2 |
| Maximum core temperature | no data | 90 °C |
| Maximum case temperature (TCase) | 63 °C | no data |
| Number of transistors | 820 million | 47 Million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
| VID voltage range | 0.85V-1.35V | 0.9V-1.1625V |
Compatibility
Information on Xeon E5450 and Atom N270 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 | 2 | 1 (Uniprocessor) |
| Socket | LGA771 | PBGA437 |
| Power consumption (TDP) | 80 Watt | 2.5 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon E5450 and Atom N270. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE, Intel® SSE2, Intel® SSE3, Intel® SSSE3 |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | - | - |
| Hyper-Threading Technology | - | + |
| Idle States | + | - |
| Thermal Monitoring | + | + |
| Demand Based Switching | + | - |
| FSB parity | + | - |
Security technologies
Xeon E5450 and Atom N270 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | - |
| EDB | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon E5450 and Atom N270 are enumerated here.
| VT-d | no data | - |
| VT-x | + | - |
| EPT | - | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon E5450 and Atom N270. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR2, DDR3 Depends on motherboard | no data |
| Maximum memory size | no data | 8 GB |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | - |
Peripherals
Specifications and connection of peripherals supported by Xeon E5450 and Atom N270.
| PCIe version | 2.0 | no data |
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.
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. Other than that, Passmark measures multi-core performance.
Pros & cons summary
| Performance score | 1.60 | 0.08 |
| Recency | 11 November 2007 | 2 April 2008 |
| Physical cores | 4 | 1 |
| Threads | 4 | 2 |
| Power consumption (TDP) | 80 Watt | 2 Watt |
Xeon E5450 has a 1900% higher aggregate performance score, and 300% more physical cores and 100% more threads.
Atom N270, on the other hand, has an age advantage of 4 months, and 3900% lower power consumption.
The Intel Xeon E5450 is our recommended choice as it beats the Intel Atom N270 in performance tests.
Be aware that Xeon E5450 is a server/workstation processor while Atom N270 is a notebook one.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
