Athlon II X2 250u vs Core 2 Duo E8400
Primary details
Comparing Core 2 Duo E8400 and Athlon II X2 250u processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2668 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Desktop processor |
| Power efficiency | 1.07 | no data |
| Architecture codename | Wolfdale (2008−2010) | Regor (2009−2013) |
| Release date | 1 January 2008 (16 years ago) | 20 October 2009 (15 years ago) |
| Launch price (MSRP) | no data | $35 |
Detailed specifications
Core 2 Duo E8400 and Athlon II X2 250u 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) | 2 (Dual-core) |
| Threads | 2 | 2 |
| Base clock speed | 3 GHz | no data |
| Boost clock speed | 3 GHz | 1.6 GHz |
| Bus rate | 1333 MHz | no data |
| L1 cache | 64 KB (per core) | 128 KB |
| L2 cache | 6 MB (shared) | 1 MB |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 45 nm | 45 nm |
| Die size | 104 mm2 | 117 mm2 |
| Maximum case temperature (TCase) | 72 °C | no data |
| Number of transistors | 410 million | 410 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| VID voltage range | 0.85V-1.3625V | no data |
Compatibility
Information on Core 2 Duo E8400 and Athlon II X2 250u 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 | 1 |
| Socket | LGA775 | AM3 |
| Power consumption (TDP) | 65 Watt | 25 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Duo E8400 and Athlon II X2 250u. You'll probably need this information if you require some particular technology.
| Enhanced SpeedStep (EIST) | + | no data |
| 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
Core 2 Duo E8400 and Athlon II X2 250u 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 Core 2 Duo E8400 and Athlon II X2 250u are enumerated here.
| VT-d | + | no data |
| VT-x | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Duo E8400 and Athlon II X2 250u. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2, DDR3 | 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 Athlon II X2 250u.
| PCIe version | 2.0 | 2.0 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
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.
Pros & cons summary
| Recency | 1 January 2008 | 20 October 2009 |
| Power consumption (TDP) | 65 Watt | 25 Watt |
Athlon II X2 250u has an age advantage of 1 year, and 160% lower power consumption.
We couldn't decide between Core 2 Duo E8400 and Athlon II X2 250u. We've got no test results to judge.
Should you still have questions on choice between Core 2 Duo E8400 and Athlon II X2 250u, ask them in Comments section, and we shall answer.
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