Athlon 64 X2 TK-42 vs Athlon 64 TF-20
Aggregate performance score
Athlon 64 X2 TK-42 outperforms Athlon 64 TF-20 by a whopping 125% based on our aggregate benchmark results.
Primary details
Comparing Athlon 64 TF-20 and Athlon 64 X2 TK-42 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3280 | 3033 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | AMD Athlon 64 | 2x AMD Athlon 64 |
| Power efficiency | 0.61 | 1.70 |
| Architecture codename | Sherman (2009) | Tyler (2007−2009) |
| Release date | 1 May 2009 (15 years ago) | 1 November 2009 (15 years ago) |
Detailed specifications
Athlon 64 TF-20 and Athlon 64 X2 TK-42 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 | 1 (Single-Core) | 2 (Dual-core) |
| Threads | 1 | 2 |
| Boost clock speed | 1.6 GHz | 1.6 GHz |
| Bus rate | 667 MHz | 1600 MHz |
| L1 cache | 0.1 MB | 0 MB |
| L2 cache | 512 KB | 1 MB |
| Chip lithography | 65 nm | 65 nm |
| Maximum core temperature | 95 °C | 95 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Athlon 64 TF-20 and Athlon 64 X2 TK-42 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.
| Socket | S1g1 | Socket S1 |
| Power consumption (TDP) | 25 Watt | 20 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Athlon 64 TF-20 and Athlon 64 X2 TK-42. You'll probably need this information if you require some particular technology.
| Instruction set extensions | MMX, 3DNow!, SSE, SSE2, SSE3, AMD64, Enhanced Virus Protection | 86x Enhanced Virus Protection (EVP), MMX, PowerNow, SSE3,-64, Enhanced 3DNow |
| PowerNow | - | + |
| VirusProtect | + | + |
Pros & cons summary
| Performance score | 0.16 | 0.36 |
| Recency | 1 May 2009 | 1 November 2009 |
| Physical cores | 1 | 2 |
| Threads | 1 | 2 |
| Power consumption (TDP) | 25 Watt | 20 Watt |
Athlon 64 X2 TK-42 has a 125% higher aggregate performance score, an age advantage of 6 months, 100% more physical cores and 100% more threads, and 25% lower power consumption.
The Athlon 64 X2 TK-42 is our recommended choice as it beats the Athlon 64 TF-20 in performance tests.
Should you still have questions on choice between Athlon 64 TF-20 and Athlon 64 X2 TK-42, 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.
