Duron 900 vs i7-2840QM
Primary details
Comparing Core i7-2840QM and Duron 900 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1742 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | Intel Core i7 | AMD Duron |
| Architecture codename | Sandy Bridge (2011−2013) | K7 (2000−2004) |
| Release date | 4 September 2011 (13 years ago) | 20 August 2001 (23 years ago) |
Detailed specifications
Core i7-2840QM and Duron 900 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 | 4 (Quad-Core) | 1 (Single-Core) |
| Threads | 8 | 1 |
| Boost clock speed | 2.4 GHz | 0.9 GHz |
| Bus type | DMI 2.0 | FSB |
| Bus rate | 4 × 5 GT/s | 200 MT/s |
| Multiplier | 24 | 9 |
| L1 cache | 256 KB | no data |
| L2 cache | 1 MB | 64 KB |
| L3 cache | 8 MB | no data |
| Chip lithography | 32 nm | 180 nm |
| Die size | 216 mm2 | 105.68 mm2 |
| Number of transistors | 1160 Million | 25 Million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
Compatibility
Information on Core i7-2840QM and Duron 900 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 (Uniprocessor) | 1 (Uniprocessor) |
| Socket | Socket G2 | no data |
| Power consumption (TDP) | 45 Watt | 25 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-2840QM and Duron 900. You'll probably need this information if you require some particular technology.
| AES-NI | + | - |
| FMA | + | - |
| AVX | + | - |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | no data |
Security technologies
Core i7-2840QM and Duron 900 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i7-2840QM and Duron 900 are enumerated here.
| VT-d | + | no data |
| VT-x | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i7-2840QM and Duron 900. Depending on the motherboard, higher memory frequencies may be supported.
| Maximum memory size | 32 GB | 4 GB |
| Maximum memory bandwidth | 25.598 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel HD Graphics 3000 | no data |
Pros & cons summary
| Recency | 4 September 2011 | 20 August 2001 |
| Physical cores | 4 | 1 |
| Threads | 8 | 1 |
| Chip lithography | 32 nm | 180 nm |
| Power consumption (TDP) | 45 Watt | 25 Watt |
i7-2840QM has an age advantage of 10 years, 300% more physical cores and 700% more threads, and a 462.5% more advanced lithography process.
Duron 900, on the other hand, has 80% lower power consumption.
We couldn't decide between Core i7-2840QM and Duron 900. We've got no test results to judge.
Be aware that Core i7-2840QM is a notebook processor while Duron 900 is a desktop one.
Should you still have questions on choice between Core i7-2840QM and Duron 900, 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.
