Core i7-3687U vs Core i5-7400
Aggregate performance score
i5-7400 outperforms i7-3687U by a whopping 107% based on our aggregate benchmark results.
Primary details
Comparing Core i5-7400 and Core i7-3687U processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 1496 | 1999 |
| Place by popularity | 34 | not in top-100 |
| Cost-effectiveness evaluation | 1.46 | no data |
| Market segment | Desktop processor | Laptop |
| Series | Intel Core i5 | Intel Core i7 |
| Architecture codename | Kaby Lake (2016−2019) | Ivy Bridge (2012−2013) |
| Release date | 3 January 2017 (7 years ago) | 1 January 2013 (11 years ago) |
| Launch price (MSRP) | $182 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core i5-7400 and Core i7-3687U 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) | 2 (Dual-core) |
| Threads | 4 | 4 |
| Base clock speed | 3 GHz | 2.1 GHz |
| Boost clock speed | 3 GHz | 3.3 GHz |
| Bus support | 8 GT/s | no data |
| L1 cache | 256 KB | 128 KB |
| L2 cache | 1 MB | 512 KB |
| L3 cache | 6 MB (shared) | 4 MB |
| Chip lithography | 14 nm | 22 nm |
| Die size | no data | 118 mm2 |
| Maximum core temperature | no data | 105 °C |
| Maximum case temperature (TCase) | 72 °C | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | No | No |
Compatibility
Information on Core i5-7400 and Core i7-3687U 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 |
| Socket | 1151 | BGA1023 |
| Power consumption (TDP) | 65 Watt | 17 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i5-7400 and Core i7-3687U. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | + | + |
| My WiFi | no data | + |
| Turbo Boost Technology | no data | + |
| Hyper-Threading Technology | no data | + |
| TSX | + | no data |
| Idle States | no data | + |
| Thermal Monitoring | no data | + |
Security technologies
Core i5-7400 and Core i7-3687U technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
| Anti-Theft | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i5-7400 and Core i7-3687U are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i5-7400 and Core i7-3687U. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR3 |
| Maximum memory size | 64 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 38.397 GB/s | 25.6 GB/s |
| ECC memory support | - | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card Compare | Intel HD Graphics 630 | Intel HD Graphics 4000 |
Peripherals
Specifications and connection of peripherals supported by Core i5-7400 and Core i7-3687U.
| PCIe version | 3.0 | no data |
| PCI Express lanes | 16 | 16 |
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.
GeekBench 5 Single-Core
GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.
GeekBench 5 Multi-Core
GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.
Pros & cons summary
| Performance score | 3.54 | 1.71 |
| Integrated graphics card | 3.10 | 1.18 |
| Recency | 3 January 2017 | 1 January 2013 |
| Physical cores | 4 | 2 |
| Chip lithography | 14 nm | 22 nm |
| Power consumption (TDP) | 65 Watt | 17 Watt |
i5-7400 has a 107% higher aggregate performance score, 162.7% faster integrated GPU, an age advantage of 4 years, 100% more physical cores, and a 57.1% more advanced lithography process.
i7-3687U, on the other hand, has 282.4% lower power consumption.
The Core i5-7400 is our recommended choice as it beats the Core i7-3687U in performance tests.
Note that Core i5-7400 is a desktop processor while Core i7-3687U is a notebook one.
Should you still have questions on choice between Core i5-7400 and Core i7-3687U, ask them in Comments section, and we shall answer.
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