Xeon L7445 vs Core 2 Duo E8400
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3014 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Server |
| Power efficiency | 0.43 | no data |
| Designer | Intel | Intel |
| Manufacturer | Intel | Intel |
| Architecture codename | Wolfdale (2008−2010) | Dunnington (2008) |
| Release date | 1 January 2008 (18 years ago) | 15 September 2008 (17 years ago) |
| Launch price (MSRP) | no data | $1,980 |
Detailed specifications
Core 2 Duo E8400 and Xeon L7445 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 | 2 (Dual-core) | 4 (Quad-Core) |
| Threads | 2 | 4 |
| Base clock speed | 3 GHz | 2.13 GHz |
| Boost clock speed | 3 GHz | 0.13 GHz |
| Bus rate | 1333 MHz | no data |
| L1 cache | 64 KB (per core) | 64 KB (per core) |
| L2 cache | 6 MB (shared) | 3 MB (per module) |
| L3 cache | 0 KB | 12 MB (shared) |
| Chip lithography | 45 nm | 45 nm |
| Die size | 104 mm2 | 503 mm2 |
| Maximum case temperature (TCase) | 72 °C | 64 °C |
| Number of transistors | 410 million | 1,900 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| VID voltage range | 0.85V-1.3625V | 0.9V-1.45V |
Compatibility
Information on Core 2 Duo E8400 and Xeon L7445 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 | 1 | 4 |
| Socket | LGA775 | PGA604 |
| Power consumption (TDP) | 65 Watt | 50 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Duo E8400 and Xeon L7445. You'll probably need this information if you require some particular technology.
| Enhanced SpeedStep (EIST) | + | - |
| Turbo Boost Technology | - | - |
| Hyper-Threading Technology | - | - |
| Idle States | + | - |
| Thermal Monitoring | + | - |
| Demand Based Switching | - | + |
| FSB parity | - | + |
Security technologies
Core 2 Duo E8400 and Xeon L7445 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core 2 Duo E8400 and Xeon L7445 are enumerated here.
| VT-d | + | no data |
| VT-x | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Duo E8400 and Xeon L7445. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2, DDR3 | DDR2, DDR3 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | On certain motherboards (Chipset feature) | On certain motherboards (Chipset feature) |
Peripherals
Specifications and connection of peripherals supported by Core 2 Duo E8400 and Xeon L7445.
| PCIe version | 2.0 | no data |
Pros & cons summary
| Recency | 1 January 2008 | 15 September 2008 |
| Physical cores | 2 | 4 |
| Threads | 2 | 4 |
| Power consumption (TDP) | 65 Watt | 50 Watt |
Xeon L7445 has an age advantage of 8 months, 100% more physical cores and 100% more threads, and 30% lower power consumption.
We couldn't decide between Intel Core 2 Duo E8400 and Intel Xeon L7445. We've got no test results to judge.
Note that Core 2 Duo E8400 is a desktop processor while Xeon L7445 is a server/workstation one.
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