i7-940XM Extreme Edition vs EPYC 7401
Primary details
Comparing EPYC 7401 and Core i7-940XM Extreme Edition processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 107 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 9.48 | no data |
| Market segment | Server | Laptop |
| Series | AMD EPYC | Intel Core i7EE |
| Power efficiency | 19.37 | no data |
| Architecture codename | Naples (2017−2018) | Nehalem (2008−2010) |
| Release date | 20 June 2017 (7 years ago) | 5 February 2010 (14 years ago) |
| Launch price (MSRP) | $1,850 | $1,096 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
EPYC 7401 and Core i7-940XM Extreme Edition 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 | 24 (Tetracosa-Core) | 4 (Quad-Core) |
| Threads | 48 | 8 |
| Base clock speed | 2 GHz | no data |
| Boost clock speed | 2 GHz | 2.13 GHz |
| Bus type | no data | DMI |
| Bus rate | no data | 2.5 GT/s |
| Multiplier | 20 | 16 |
| L1 cache | 2.25 MB | 256 KB |
| L2 cache | 12 MB | 1 MB |
| L3 cache | 64 MB (shared) | 8 MB |
| Chip lithography | 14 nm | 45 nm |
| Die size | 213 mm2 | 296 mm2 |
| Number of transistors | 19200 Million | 774 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | + | - |
Compatibility
Information on EPYC 7401 and Core i7-940XM Extreme Edition 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 | 2 (Multiprocessor) | 1 (Uniprocessor) |
| Socket | TR4 | no data |
| Power consumption (TDP) | 155 W, 170 Watt | 55 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by EPYC 7401 and Core i7-940XM Extreme Edition. You'll probably need this information if you require some particular technology.
| AES-NI | + | - |
| AVX | + | - |
| Enhanced SpeedStep (EIST) | no data | + |
Security technologies
EPYC 7401 and Core i7-940XM Extreme Edition technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by EPYC 7401 and Core i7-940XM Extreme Edition are enumerated here.
| AMD-V | + | - |
| VT-d | no data | + |
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by EPYC 7401 and Core i7-940XM Extreme Edition. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 Eight-channel | DDR3-1333 |
| Maximum memory size | 2 TiB | 8 GB |
| Max memory channels | 8 | 2 |
| Maximum memory bandwidth | 170.671 GB/s | 21.335 GB/s |
| ECC memory support | + | - |
Peripherals
Specifications and connection of peripherals supported by EPYC 7401 and Core i7-940XM Extreme Edition.
| PCIe version | 3.0 | 2.0 |
| PCI Express lanes | 128 | 16 |
Pros & cons summary
| Recency | 20 June 2017 | 5 February 2010 |
| Physical cores | 24 | 4 |
| Threads | 48 | 8 |
| Chip lithography | 14 nm | 45 nm |
| Power consumption (TDP) | 155 Watt | 55 Watt |
EPYC 7401 has an age advantage of 7 years, 500% more physical cores and 500% more threads, and a 221.4% more advanced lithography process.
i7-940XM Extreme Edition, on the other hand, has 181.8% lower power consumption.
We couldn't decide between EPYC 7401 and Core i7-940XM Extreme Edition. We've got no test results to judge.
Be aware that EPYC 7401 is a server/workstation processor while Core i7-940XM Extreme Edition is a notebook one.
Should you still have questions on choice between EPYC 7401 and Core i7-940XM Extreme Edition, ask them in Comments section, and we shall answer.
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