Core 2 Duo T5550 vs Athlon X2 QL-66
Aggregate performance score
Primary details
Comparing Athlon X2 QL-66 and Core 2 Duo T5550 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3002 | 3001 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | 2x AMD Athlon | Intel Core 2 Duo |
| Power efficiency | 1.08 | 1.11 |
| Architecture codename | Lion (2008−2009) | Merom (2006−2008) |
| Release date | 1 September 2009 (15 years ago) | 1 January 2008 (16 years ago) |
Detailed specifications
Athlon X2 QL-66 and Core 2 Duo T5550 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 | no data | 1.83 GHz |
| Boost clock speed | 2.2 GHz | 1.83 GHz |
| Bus rate | 3600 MHz | 667 MHz |
| L1 cache | 256 KB | no data |
| L2 cache | 1 MB | 2 MB |
| L3 cache | no data | 2 MB L2 Cache |
| Chip lithography | 65 nm | 65 nm |
| Die size | no data | 143 mm2 |
| Maximum core temperature | 100 °C | 100 °C |
| Number of transistors | no data | 291 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| VID voltage range | no data | 1.075V-1.25V |
Compatibility
Information on Athlon X2 QL-66 and Core 2 Duo T5550 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 | S1g2 | PPGA478 |
| Power consumption (TDP) | 35 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Athlon X2 QL-66 and Core 2 Duo T5550. 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 | + | - |
| Enhanced SpeedStep (EIST) | no data | + |
| Turbo Boost Technology | no data | - |
| Hyper-Threading Technology | no data | - |
| Demand Based Switching | no data | - |
| FSB parity | no data | - |
Security technologies
Athlon X2 QL-66 and Core 2 Duo T5550 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 X2 QL-66 and Core 2 Duo T5550 are enumerated here.
| VT-x | no data | - |
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.
Cinebench 10 32-bit single-core
Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.
Cinebench 10 32-bit multi-core
Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.
3DMark06 CPU
3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.
Pros & cons summary
| Recency | 1 September 2009 | 1 January 2008 |
Athlon X2 QL-66 has an age advantage of 1 year.
Given the minimal performance differences, no clear winner can be declared between Athlon X2 QL-66 and Core 2 Duo T5550.
Should you still have questions on choice between Athlon X2 QL-66 and Core 2 Duo T5550, ask them in Comments section, and we shall answer.
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