i5-661 vs Athlon 64 FX-62
Aggregate performance score
Core i5-661 outperforms Athlon 64 FX-62 by a whopping 148% based on our aggregate benchmark results.
Primary details
Comparing Athlon 64 (Desktop) FX-62 and Core i5-661 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2787 | 2124 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 0.12 |
| Market segment | Desktop processor | Desktop processor |
| Series | Athlon 64 (Desktop) | no data |
| Power efficiency | 0.48 | 1.70 |
| Architecture codename | Windsor (2006−2007) | Clarkdale (2010−2011) |
| Release date | no data | 7 January 2010 (14 years ago) |
| Launch price (MSRP) | no data | $252 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Athlon 64 (Desktop) FX-62 and Core i5-661 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 | 4 |
| Base clock speed | no data | 3.33 GHz |
| Boost clock speed | 2.8 GHz | 3.6 GHz |
| Bus rate | 1000 MHz | 2.5 GT/s |
| L1 cache | 256 KB | 64 KB (per core) |
| L2 cache | 1 MB | 256 KB (per core) |
| L3 cache | 0 KB | 4 MB (shared) |
| Chip lithography | 90 nm | 32 nm |
| Die size | 220 mm2 | 81 mm2 |
| Maximum core temperature | no data | 70 °C |
| Number of transistors | 243 million | 382 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Athlon 64 (Desktop) FX-62 and Core i5-661 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 | AM2 | FCLGA1156 |
| Power consumption (TDP) | 125 Watt | 87 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Athlon 64 (Desktop) FX-62 and Core i5-661. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.2 |
| AES-NI | - | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Turbo Boost Technology | no data | 1.0 |
| Hyper-Threading Technology | no data | + |
| Idle States | no data | + |
| Demand Based Switching | no data | - |
| PAE | no data | 36 Bit |
| FDI | no data | + |
Security technologies
Athlon 64 (Desktop) FX-62 and Core i5-661 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 Athlon 64 (Desktop) FX-62 and Core i5-661 are enumerated here.
| VT-d | no data | + |
| VT-x | no data | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Athlon 64 (Desktop) FX-62 and Core i5-661. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1 | DDR3 |
| Maximum memory size | no data | 16.38 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 21 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel HD Graphics for Previous Generation Intel Processors |
| Clear Video HD | no data | + |
Graphics interfaces
Available interfaces and connections of Athlon 64 (Desktop) FX-62 and Core i5-661 integrated GPUs.
| Number of displays supported | no data | 2 |
Peripherals
Specifications and connection of peripherals supported by Athlon 64 (Desktop) FX-62 and Core i5-661.
| PCIe version | no data | 2.0 |
| PCI Express lanes | no data | 16 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
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
| Performance score | 0.63 | 1.56 |
| Threads | 2 | 4 |
| Chip lithography | 90 nm | 32 nm |
| Power consumption (TDP) | 125 Watt | 87 Watt |
i5-661 has a 147.6% higher aggregate performance score, 100% more threads, a 181.3% more advanced lithography process, and 43.7% lower power consumption.
The Core i5-661 is our recommended choice as it beats the Athlon 64 FX-62 in performance tests.
Should you still have questions on choice between Athlon 64 FX-62 and Core i5-661, ask them in Comments section, and we shall answer.
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