Xeon 6731E vs Core 2 Duo L7400
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3326 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Server |
| Power efficiency | 0.72 | no data |
| Designer | Intel | Intel |
| Manufacturer | no data | Intel |
| Architecture codename | no data | Sierra Forest (2024) |
| Release date | 1 July 2006 (19 years ago) | 3 June 2024 (1 year ago) |
| Launch price (MSRP) | no data | $4,121 |
Detailed specifications
Core 2 Duo L7400 and Xeon 6731E 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) | 96 |
| Threads | no data | 96 |
| Base clock speed | 1.5 GHz | 2.2 GHz |
| Boost clock speed | no data | 3.1 GHz |
| Bus rate | 667 MHz | no data |
| L1 cache | no data | 96 KB (per core) |
| L2 cache | no data | 4 MB (per module) |
| L3 cache | 4 MB L2 Cache | 96 MB (shared) |
| Chip lithography | 65 nm | Intel 3 nm |
| Maximum core temperature | 100 °C | no data |
| Maximum case temperature (TCase) | no data | 84 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| VID voltage range | 0.9V-1.1V | no data |
Compatibility
Information on Core 2 Duo L7400 and Xeon 6731E 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 | PBGA479 | FCLGA4710 |
| Power consumption (TDP) | 17 Watt | 250 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Duo L7400 and Xeon 6731E. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® AVX2 |
| AES-NI | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | - | no data |
| TSX | - | + |
| Idle States | - | no data |
| Demand Based Switching | - | no data |
| FSB parity | - | no data |
Security technologies
Core 2 Duo L7400 and Xeon 6731E technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | + |
| EDB | + | + |
| SGX | no data | + |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core 2 Duo L7400 and Xeon 6731E are enumerated here.
| VT-d | no data | + |
| VT-x | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Duo L7400 and Xeon 6731E. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR5-6400 |
| Maximum memory size | no data | 4 TB |
| Max memory channels | no data | 8 |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | N/A |
Peripherals
Specifications and connection of peripherals supported by Core 2 Duo L7400 and Xeon 6731E.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 88 |
Pros & cons summary
| Recency | 1 July 2006 | 3 June 2024 |
| Physical cores | 2 | 96 |
| Power consumption (TDP) | 17 Watt | 250 Watt |
Core 2 Duo L7400 has 1370.6% lower power consumption.
Xeon 6731E, on the other hand, has an age advantage of 17 years, and 4700% more physical cores.
We couldn't decide between Intel Core 2 Duo L7400 and Intel Xeon 6731E. We've got no test results to judge.
Be aware that Core 2 Duo L7400 is a notebook processor while Xeon 6731E is a server/workstation one.
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