Phenom II X3 740 BE vs i5-660
Primary details
Comparing Core i5-660 and Phenom II X3 740 BE processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2137 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.10 | no data |
| Market segment | Desktop processor | Desktop processor |
| Power efficiency | 1.96 | no data |
| Architecture codename | Clarkdale (2010−2011) | Heka (2009−2010) |
| Release date | 7 January 2010 (14 years ago) | 1 September 2009 (15 years ago) |
| Launch price (MSRP) | $70 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core i5-660 and Phenom II X3 740 BE 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) | 3 (Tri-Core) |
| Threads | 4 | 3 |
| Base clock speed | 3.33 GHz | 3 GHz |
| Boost clock speed | 3.6 GHz | 3 GHz |
| Bus rate | 2.5 GT/s | no data |
| L1 cache | 64 KB (per core) | 128 KB (per core) |
| L2 cache | 256 KB (per core) | 512 KB (per core) |
| L3 cache | 4 MB (shared) | 6 MB (shared) |
| Chip lithography | 32 nm | 45 nm |
| Die size | 81 mm2 | 258 mm2 |
| Maximum core temperature | 73 °C | no data |
| Number of transistors | 382 million | 758 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | - | + |
Compatibility
Information on Core i5-660 and Phenom II X3 740 BE 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 | FCLGA1156 | AM3 |
| Power consumption (TDP) | 73 Watt | 95 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i5-660 and Phenom II X3 740 BE. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.2 | no data |
| AES-NI | + | - |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | 1.0 | no data |
| Hyper-Threading Technology | + | no data |
| Idle States | + | no data |
| Demand Based Switching | - | no data |
| PAE | 36 Bit | no data |
| FDI | + | no data |
Security technologies
Core i5-660 and Phenom II X3 740 BE 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 i5-660 and Phenom II X3 740 BE are enumerated here.
| AMD-V | - | + |
| VT-d | + | no data |
| VT-x | + | no data |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i5-660 and Phenom II X3 740 BE. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR3 |
| Maximum memory size | 16.38 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 21 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel® HD Graphics for Previous Generation Intel® Processors | On certain motherboards (Chipset feature) |
| Clear Video HD | + | no data |
Graphics interfaces
Available interfaces and connections of Core i5-660 and Phenom II X3 740 BE integrated GPUs.
| Number of displays supported | 2 | no data |
Peripherals
Specifications and connection of peripherals supported by Core i5-660 and Phenom II X3 740 BE.
| PCIe version | 2.0 | 2.0 |
| PCI Express lanes | 16 | no data |
Pros & cons summary
| Recency | 7 January 2010 | 1 September 2009 |
| Physical cores | 2 | 3 |
| Threads | 4 | 3 |
| Chip lithography | 32 nm | 45 nm |
| Power consumption (TDP) | 73 Watt | 95 Watt |
i5-660 has an age advantage of 4 months, 33.3% more threads, a 40.6% more advanced lithography process, and 30.1% lower power consumption.
Phenom II X3 740 BE, on the other hand, has 50% more physical cores.
We couldn't decide between Core i5-660 and Phenom II X3 740 BE. We've got no test results to judge.
Should you still have questions on choice between Core i5-660 and Phenom II X3 740 BE, ask them in Comments section, and we shall answer.
Similar processor comparisons
We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.
