i5-4200Y vs i7-940XM
Aggregate performance score
Core i7-940XM outperforms Core i5-4200Y by a considerable 42% based on our aggregate benchmark results.
Primary details
Comparing Core i7-940XM and Core i5-4200Y processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2212 | 2469 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Core i7 | Intel Core i5 |
| Power efficiency | 2.40 | 7.74 |
| Architecture codename | Clarksfield (2009−2010) | Haswell (2013−2015) |
| Release date | 20 June 2010 (14 years ago) | 4 June 2013 (11 years ago) |
| Launch price (MSRP) | $1,096 | $297 |
Detailed specifications
Core i7-940XM and Core i5-4200Y 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 | 8 | 4 |
| Base clock speed | 2.13 GHz | 1.4 GHz |
| Boost clock speed | 3.33 GHz | 1.9 GHz |
| Bus rate | 2500 MHz | 5 GT/s |
| L1 cache | 64 KB (per core) | 64K (per core) |
| L2 cache | 256 KB (per core) | 256K (per core) |
| L3 cache | 8 MB (shared) | 3 MB (shared) |
| Chip lithography | 45 nm | 22 nm |
| Die size | 296 mm2 | 118 mm2 |
| Maximum core temperature | 100 °C | 100 °C |
| Number of transistors | 774 million | 1,400 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | + | - |
Compatibility
Information on Core i7-940XM and Core i5-4200Y 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 | 1 |
| Socket | FCPGA988,PGA988 | FCBGA1168 |
| Power consumption (TDP) | 55 Watt | 11.5 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-940XM and Core i5-4200Y. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.2 | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| AES-NI | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | + | 2.0 |
| Hyper-Threading Technology | + | + |
| Idle States | + | + |
| Thermal Monitoring | + | + |
| Demand Based Switching | - | no data |
| PAE | 36 Bit | no data |
| GPIO | no data | + |
| Smart Connect | no data | + |
| FDI | no data | - |
| AMT | no data | 9.5 |
| Matrix Storage | no data | - |
| HD Audio | no data | + |
| RST | no data | + |
Security technologies
Core i7-940XM and Core i5-4200Y technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | + |
| Secure Key | no data | + |
| Identity Protection | - | + |
| Anti-Theft | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i7-940XM and Core i5-4200Y are enumerated here.
| AMD-V | - | + |
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i7-940XM and Core i5-4200Y. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3-1066, DDR3-1333 | DDR3 |
| Maximum memory size | 8 GB | 16 GB |
| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | 21 GB/s | 25.6 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | None | Intel HD Graphics 4200 |
| Max video memory | no data | 2 GB |
| Quick Sync Video | - | + |
| Clear Video HD | no data | + |
| Graphics max frequency | no data | 850 MHz |
| InTru 3D | no data | + |
Graphics interfaces
Available interfaces and connections of Core i7-940XM and Core i5-4200Y integrated GPUs.
| Number of displays supported | no data | 3 |
| eDP | no data | + |
| DisplayPort | - | + |
| HDMI | - | + |
Graphics image quality
Maximum display resolutions supported by Core i7-940XM and Core i5-4200Y integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | no data | 2560x1600@60Hz |
| Max resolution over DisplayPort | no data | 2560x1600@60Hz |
Graphics API support
APIs supported by Core i7-940XM and Core i5-4200Y integrated GPUs, sometimes API versions are included.
| DirectX | no data | 11.2/12 |
| OpenGL | no data | 4.3 |
Peripherals
Specifications and connection of peripherals supported by Core i7-940XM and Core i5-4200Y.
| PCIe version | 2 | 2.0 |
| PCI Express lanes | 16 | 12 |
| PCI support | no data | - |
| USB revision | no data | 3.0 |
| Total number of SATA ports | no data | 4 |
| Max number of SATA 6 Gb/s Ports | no data | 4 |
| Integrated IDE | no data | - |
| Number of USB ports | no data | 4 |
| Integrated LAN | no data | - |
| UART | 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.
Pros & cons summary
| Performance score | 1.42 | 1.00 |
| Recency | 20 June 2010 | 4 June 2013 |
| Physical cores | 4 | 2 |
| Threads | 8 | 4 |
| Chip lithography | 45 nm | 22 nm |
| Power consumption (TDP) | 55 Watt | 11 Watt |
i7-940XM has a 42% higher aggregate performance score, and 100% more physical cores and 100% more threads.
i5-4200Y, on the other hand, has an age advantage of 2 years, a 104.5% more advanced lithography process, and 400% lower power consumption.
The Core i7-940XM is our recommended choice as it beats the Core i5-4200Y in performance tests.
Should you still have questions on choice between Core i7-940XM and Core i5-4200Y, 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.
