i9-12900E vs i7-940XM Extreme Edition
Primary details
Comparing Core i7-940XM Extreme Edition and Core i9-12900E processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 383 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | Intel Core i7EE | no data |
| Power efficiency | no data | 24.45 |
| Architecture codename | Nehalem (2008−2010) | Alder Lake-S (2022) |
| Release date | 5 February 2010 (14 years ago) | 4 January 2022 (2 years ago) |
| Launch price (MSRP) | $1,096 | no data |
Detailed specifications
Core i7-940XM Extreme Edition and Core i9-12900E 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) | 16 (Hexadeca-Core) |
| Threads | 8 | 24 |
| Base clock speed | no data | 2.3 GHz |
| Boost clock speed | 2.13 GHz | 5 GHz |
| Bus type | DMI | no data |
| Bus rate | 2.5 GT/s | no data |
| Multiplier | 16 | no data |
| L1 cache | 256 KB | 80K (per core) |
| L2 cache | 1 MB | 1.25 MB (per core) |
| L3 cache | 8 MB | 30 MB (shared) |
| Chip lithography | 45 nm | 10 nm |
| Die size | 296 mm2 | 215 mm2 |
| Maximum case temperature (TCase) | no data | 72 °C |
| Number of transistors | 774 Million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| Unlocked multiplier | - | + |
Compatibility
Information on Core i7-940XM Extreme Edition and Core i9-12900E 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 | 1700 |
| Power consumption (TDP) | 55 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-940XM Extreme Edition and Core i9-12900E. You'll probably need this information if you require some particular technology.
| AES-NI | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | + |
| TSX | - | + |
Security technologies
Core i7-940XM Extreme Edition and Core i9-12900E technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i7-940XM Extreme Edition and Core i9-12900E are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i7-940XM Extreme Edition and Core i9-12900E. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3-1333 | DDR4, DDR5 Dual-channel |
| Maximum memory size | 8 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 21.335 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel UHD Graphics 770 |
Peripherals
Specifications and connection of peripherals supported by Core i7-940XM Extreme Edition and Core i9-12900E.
| PCIe version | 2.0 | 5.0 |
| PCI Express lanes | 16 | 20 |
Pros & cons summary
| Recency | 5 February 2010 | 4 January 2022 |
| Physical cores | 4 | 16 |
| Threads | 8 | 24 |
| Chip lithography | 45 nm | 10 nm |
| Power consumption (TDP) | 55 Watt | 65 Watt |
i7-940XM Extreme Edition has 18.2% lower power consumption.
i9-12900E, on the other hand, has an age advantage of 11 years, 300% more physical cores and 200% more threads, and a 350% more advanced lithography process.
We couldn't decide between Core i7-940XM Extreme Edition and Core i9-12900E. We've got no test results to judge.
Be aware that Core i7-940XM Extreme Edition is a notebook processor while Core i9-12900E is a desktop one.
Should you still have questions on choice between Core i7-940XM Extreme Edition and Core i9-12900E, ask them in Comments section, and we shall answer.
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