i5-10400H vs i7-940XM Extreme Edition
Primary details
Comparing Core i7-940XM Extreme Edition and Core i5-10400H processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 1166 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Core i7EE | Intel Comet Lake |
| Power efficiency | no data | 11.25 |
| Architecture codename | Nehalem (2008−2010) | Comet Lake-H (2020) |
| Release date | 5 February 2010 (14 years ago) | 2 April 2020 (4 years ago) |
| Launch price (MSRP) | $1,096 | no data |
Detailed specifications
Core i7-940XM Extreme Edition and Core i5-10400H 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) | 4 (Quad-Core) |
| Threads | 8 | 8 |
| Base clock speed | no data | 2.6 GHz |
| Boost clock speed | 2.13 GHz | 4.6 GHz |
| Bus type | DMI | no data |
| Bus rate | 2.5 GT/s | 8 GT/s |
| Multiplier | 16 | no data |
| L1 cache | 256 KB | 64K (per core) |
| L2 cache | 1 MB | 256K (per core) |
| L3 cache | 8 MB | 6 MB (shared) |
| Chip lithography | 45 nm | 14 nm |
| Die size | 296 mm2 | no data |
| Maximum core temperature | no data | 100 °C |
| Maximum case temperature (TCase) | no data | 72 °C |
| Number of transistors | 774 Million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
Compatibility
Information on Core i7-940XM Extreme Edition and Core i5-10400H 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 | no data | FCBGA1440 |
| Power consumption (TDP) | 55 Watt | 45 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-940XM Extreme Edition and Core i5-10400H. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| AES-NI | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | no data | + |
| Hyper-Threading Technology | no data | + |
| Idle States | no data | + |
| Thermal Monitoring | - | + |
| Flex Memory Access | no data | + |
| SIPP | - | + |
| Turbo Boost Max 3.0 | no data | - |
Security technologies
Core i7-940XM Extreme Edition and Core i5-10400H technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | no data | + |
| Secure Key | no data | + |
| Identity Protection | - | + |
| SGX | no data | Yes with Intel® ME |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i7-940XM Extreme Edition and Core i5-10400H are enumerated here.
| AMD-V | - | + |
| VT-d | + | + |
| VT-x | + | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i7-940XM Extreme Edition and Core i5-10400H. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3-1333 | DDR4 |
| Maximum memory size | 8 GB | 128 GB |
| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | 21.335 GB/s | 45.8 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel® UHD Graphics for 10th Gen Intel® Processors |
| Quick Sync Video | - | + |
| Graphics max frequency | no data | 1.1 GHz |
Graphics interfaces
Available interfaces and connections of Core i7-940XM Extreme Edition and Core i5-10400H integrated GPUs.
| Number of displays supported | no data | 3 |
| eDP | no data | + |
| DisplayPort | - | + |
| HDMI | - | + |
| DVI | no data | + |
Graphics image quality
Maximum display resolutions supported by Core i7-940XM Extreme Edition and Core i5-10400H integrated GPUs, including resolutions over different interfaces.
| 4K resolution support | no data | + |
| Max resolution over HDMI 1.4 | no data | 4096 x 2304@30Hz |
| Max resolution over eDP | no data | 4096 x 2304@60Hz |
| Max resolution over DisplayPort | no data | 4096 x 2304@60Hz |
Graphics API support
APIs supported by Core i7-940XM Extreme Edition and Core i5-10400H integrated GPUs, sometimes API versions are included.
| DirectX | no data | 12 |
| OpenGL | no data | 4.5 |
Peripherals
Specifications and connection of peripherals supported by Core i7-940XM Extreme Edition and Core i5-10400H.
| PCIe version | 2.0 | 3.0 |
| PCI Express lanes | 16 | 16 |
Pros & cons summary
| Recency | 5 February 2010 | 2 April 2020 |
| Chip lithography | 45 nm | 14 nm |
| Power consumption (TDP) | 55 Watt | 45 Watt |
i5-10400H has an age advantage of 10 years, a 221.4% more advanced lithography process, and 22.2% lower power consumption.
We couldn't decide between Core i7-940XM Extreme Edition and Core i5-10400H. We've got no test results to judge.
Should you still have questions on choice between Core i7-940XM Extreme Edition and Core i5-10400H, 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.
