Athlon II X4 620 vs Turion II Ultra M660
Aggregate performance score
Athlon II X4 620 outperforms Turion II Ultra M660 by an impressive 98% based on our aggregate benchmark results.
Primary details
Comparing Turion II Ultra M660 and Athlon II X4 620 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2777 | 2299 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 3.43 |
| Market segment | Laptop | Desktop processor |
| Series | AMD Turion II Ultra | no data |
| Power efficiency | 1.73 | 1.27 |
| Architecture codename | Caspian (2009) | Propus (2009−2011) |
| Release date | 10 September 2009 (15 years ago) | 16 September 2009 (15 years ago) |
| Launch price (MSRP) | no data | $65 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Turion II Ultra M660 and Athlon II X4 620 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 | no data | 2.6 GHz |
| Boost clock speed | 2.7 GHz | 2.6 GHz |
| Bus rate | 3600 MHz | no data |
| L1 cache | no data | 128 KB (per core) |
| L2 cache | 2 MB | 512 KB (per core) |
| L3 cache | no data | 0 KB |
| Chip lithography | 45 nm | 45 nm |
| Die size | no data | 169 mm2 |
| Number of transistors | no data | 300 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Turion II Ultra M660 and Athlon II X4 620 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 | Socket S1 (s1g3) 638-pin | AM3 |
| Power consumption (TDP) | 35 Watt | 95 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Turion II Ultra M660 and Athlon II X4 620. You'll probably need this information if you require some particular technology.
| Instruction set extensions | MMX, SSE, SSE2, SSE3, Enhanced 3DNow!, NX bit, AMD64, PowerNow!, AMD Virtualization | no data |
| PowerNow | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Turion II Ultra M660 and Athlon II X4 620. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR2 | DDR3 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | On certain motherboards (Chipset feature) |
Peripherals
Specifications and connection of peripherals supported by Turion II Ultra M660 and Athlon II X4 620.
| PCIe version | no data | 2.0 |
Pros & cons summary
| Performance score | 0.64 | 1.27 |
| Physical cores | 2 | 4 |
| Threads | 2 | 4 |
| Power consumption (TDP) | 35 Watt | 95 Watt |
Turion II Ultra M660 has 171.4% lower power consumption.
Athlon II X4 620, on the other hand, has a 98.4% higher aggregate performance score, and 100% more physical cores and 100% more threads.
The Athlon II X4 620 is our recommended choice as it beats the Turion II Ultra M660 in performance tests.
Be aware that Turion II Ultra M660 is a notebook processor while Athlon II X4 620 is a desktop one.
Should you still have questions on choice between Turion II Ultra M660 and Athlon II X4 620, ask them in Comments section, and we shall answer.
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