Celeron N2940 vs Turion II Ultra M660
Aggregate performance score
Celeron N2940 outperforms Turion II Ultra M660 by a minimal 3% based on our aggregate benchmark results.
Primary details
Comparing Turion II Ultra M660 and Celeron N2940 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2761 | 2742 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | AMD Turion II Ultra | Intel Celeron |
| Power efficiency | 1.73 | 8.92 |
| Architecture codename | Caspian (2009) | Bay Trail-M (2013−2014) |
| Release date | 10 September 2009 (15 years ago) | 22 May 2014 (10 years ago) |
Detailed specifications
Turion II Ultra M660 and Celeron N2940 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 | 1.83 GHz |
| Boost clock speed | 2.7 GHz | 2.25 GHz |
| Bus rate | 3600 MHz | no data |
| L1 cache | no data | 56K (per core) |
| L2 cache | 2 MB | 512K (per core) |
| L3 cache | no data | 0 KB |
| Chip lithography | 45 nm | 22 nm |
| Maximum core temperature | no data | 100 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Turion II Ultra M660 and Celeron N2940 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 | FCBGA1170 |
| Power consumption (TDP) | 35 Watt | 7.5 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Turion II Ultra M660 and Celeron N2940. 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 | - |
| Idle States | no data | + |
| Smart Connect | no data | + |
Security technologies
Turion II Ultra M660 and Celeron N2940 technologies aimed at improving security, for example, by protecting against hacks.
| EDB | no data | + |
| Secure Key | no data | + |
| Anti-Theft | no data | - |
Virtualization technologies
Virtual machine speed-up technologies supported by Turion II Ultra M660 and Celeron N2940 are enumerated here.
| VT-d | no data | - |
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Turion II Ultra M660 and Celeron N2940. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR2 | DDR3 |
| Maximum memory size | no data | 8 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 21.32 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel® HD Graphics for Intel Atom® Processor Z3700 Series |
| Quick Sync Video | - | + |
| Graphics max frequency | no data | 854 MHz |
Graphics interfaces
Available interfaces and connections of Turion II Ultra M660 and Celeron N2940 integrated GPUs.
| Number of displays supported | no data | 2 |
Peripherals
Specifications and connection of peripherals supported by Turion II Ultra M660 and Celeron N2940.
| PCIe version | no data | 2.0 |
| PCI Express lanes | no data | 4 |
| USB revision | no data | 3.0 and 2.0 |
| Total number of SATA ports | no data | 2 |
| Number of USB ports | no data | 5 |
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.
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.
Pros & cons summary
| Performance score | 0.64 | 0.66 |
| Recency | 10 September 2009 | 22 May 2014 |
| Physical cores | 2 | 4 |
| Threads | 2 | 4 |
| Chip lithography | 45 nm | 22 nm |
| Power consumption (TDP) | 35 Watt | 7 Watt |
Celeron N2940 has a 3.1% higher aggregate performance score, an age advantage of 4 years, 100% more physical cores and 100% more threads, a 104.5% more advanced lithography process, and 400% lower power consumption.
Given the minimal performance differences, no clear winner can be declared between Turion II Ultra M660 and Celeron N2940.
Should you still have questions on choice between Turion II Ultra M660 and Celeron N2940, 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.
