i7-660LM vs Xeon E5450
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2365 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.03 | no data |
| Market segment | Server | Laptop |
| Series | no data | Intel Core i7 |
| Power efficiency | 1.96 | no data |
| Designer | Intel | Intel |
| Manufacturer | Intel | no data |
| Architecture codename | Harpertown (2007−2008) | Arrandale (2010−2011) |
| Release date | 11 November 2007 (18 years ago) | 13 September 2010 (15 years ago) |
| Launch price (MSRP) | $915 | $346 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Xeon E5450 and Core i7-660LM 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) | 2 (Dual-core) |
| Threads | 4 | 4 |
| Base clock speed | 3 GHz | 2.26 GHz |
| Boost clock speed | 3 GHz | 3.06 GHz |
| Bus type | no data | DMI 1.0 |
| Bus rate | no data | 1 × 2.5 GT/s |
| Multiplier | no data | 17 |
| L1 cache | 64 KB (per core) | 128 KB |
| L2 cache | 6 MB (per die) | 512 KB |
| L3 cache | 12 MB L2 Cache | 4 MB |
| Chip lithography | 45 nm | 32 nm |
| Die size | 2x 107 mm2 | 81+177 mm2 |
| Maximum core temperature | no data | 105 °C |
| Maximum case temperature (TCase) | 63 °C | no data |
| Number of transistors | 820 million | 382+177 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| VID voltage range | 0.85V-1.35V | no data |
Compatibility
Information on Xeon E5450 and Core i7-660LM 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 | BGA1288 |
| Power consumption (TDP) | 80 Watt | 25 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon E5450 and Core i7-660LM. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.1, Intel® SSE4.2 |
| AES-NI | - | + |
| FMA | - | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | - | + |
| Hyper-Threading Technology | - | + |
| Idle States | + | + |
| Thermal Monitoring | + | + |
| Flex Memory Access | no data | + |
| Demand Based Switching | + | no data |
| PAE | no data | 36 Bit |
| FDI | no data | + |
| Fast Memory Access | no data | + |
| FSB parity | + | no data |
Security technologies
Xeon E5450 and Core i7-660LM 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 Core i7-660LM are enumerated here.
| VT-d | no data | + |
| VT-x | + | + |
| EPT | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon E5450 and Core i7-660LM. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR2, DDR3 Depends on motherboard | DDR3-800, DDR3-1066 |
| Maximum memory size | no data | 8 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 17.051 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | Intel HD Graphics for Previous Generation Intel Processors |
| Clear Video | no data | + |
| Clear Video HD | no data | + |
| Graphics max frequency | no data | 566 MHz |
Graphics interfaces
Available interfaces and connections of Xeon E5450 and Core i7-660LM integrated GPUs.
| Number of displays supported | no data | 2 |
Peripherals
Specifications and connection of peripherals supported by Xeon E5450 and Core i7-660LM.
| PCIe version | 2.0 | 2.0 |
| PCI Express lanes | no data | 16 |
Pros & cons summary
| Recency | 11 November 2007 | 13 September 2010 |
| Physical cores | 4 | 2 |
| Chip lithography | 45 nm | 32 nm |
| Power consumption (TDP) | 80 Watt | 25 Watt |
Xeon E5450 has 100% more physical cores.
i7-660LM, on the other hand, has an age advantage of 2 years, a 40.6% more advanced lithography process, and 220% lower power consumption.
We couldn't decide between Intel Xeon E5450 and Intel Core i7-660LM. We've got no test results to judge.
Be aware that Xeon E5450 is a server/workstation processor while Core i7-660LM is a notebook one.
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