Core i7 vs Core i7-2840QM
Aggregated performance score
Core i7-2840QM outperforms Core i7 by a minimal 1% based on our aggregated benchmark results.
Primary details
Comparing Core i7-2840QM and Core i7 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 1650 | 1657 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 5.71 |
| Market segment | Laptop | Desktop processor |
| Series | Intel Core i7 | no data |
| Architecture codename | Sandy Bridge (2011−2013) | no data |
| Release date | 4 September 2011 (12 years ago) | 1 October 2023 (less than a year ago) |
| Current price | no data | $263 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core i7-2840QM and Core i7 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) | no data |
| Threads | 8 | no data |
| Boost clock speed | 2.4 GHz | no data |
| Bus support | 4 × 5 GT/s | no data |
| L1 cache | 256 KB | no data |
| L2 cache | 1 MB | no data |
| L3 cache | 8 MB | no data |
| Chip lithography | 32 nm | no data |
| Die size | 216 mm2 | no data |
| Number of transistors | 1160 Million | no data |
| 64 bit support | + | - |
| Windows 11 compatibility | - | no data |
| Unlocked multiplier | No | No |
Compatibility
Information on Core i7-2840QM and Core i7 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) | no data |
| Socket | Socket G2 | no data |
| Power consumption (TDP) | 45 Watt | no data |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-2840QM and Core i7. You'll probably need this information if you require some particular technology.
| AES-NI | + | no data |
| FMA | + | no data |
| AVX | + | no data |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | no data |
Security technologies
Core i7-2840QM and Core i7 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 Core i7 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 Core i7. Depending on the motherboard, higher memory frequencies may be supported.
| Maximum memory size | 32 GB | no data |
| 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 |
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.
Core i7-2840QM outperforms Core i7 by 1% based on our aggregated benchmark results.
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.
Benchmark coverage: 68%
Core i7 outperforms Core i7-2840QM by 99% in Passmark.
Pros & cons summary
| Performance score | 2.48 | 2.46 |
| Recency | 4 September 2011 | 1 October 2023 |
Given the minimal performance differences, no clear winner can be declared between Core i7-2840QM and Core i7.
Be aware that Core i7-2840QM is a notebook processor while Core i7 is a desktop one.
Should you still have questions on choice between Core i7-2840QM and Core i7, ask them in Comments section, and we shall answer.
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