EPYC 9655 vs i7-4940MX
Primary details
Comparing Core i7-4940MX and EPYC 9655 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1355 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Server |
| Series | Intel Core i7 | no data |
| Power efficiency | 7.14 | no data |
| Architecture codename | Haswell (2013−2015) | Turin (2024) |
| Release date | 20 January 2014 (10 years ago) | 10 October 2024 (less than a year ago) |
| Launch price (MSRP) | $1,096 | $11,852 |
Detailed specifications
Core i7-4940MX and EPYC 9655 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) | 96 |
| Threads | 8 | 192 |
| Base clock speed | 3.1 GHz | 2.6 GHz |
| Boost clock speed | 4 GHz | 4.5 GHz |
| Bus rate | 5 GT/s | no data |
| L1 cache | 64K (per core) | 80 KB (per core) |
| L2 cache | 256K (per core) | 1 MB (per core) |
| L3 cache | 8 MB (shared) | 384 MB (shared) |
| Chip lithography | 22 nm | 4 nm |
| Die size | 177 mm2 | 12x 70.6 mm2 |
| Maximum core temperature | 100 °C | no data |
| Maximum case temperature (TCase) | 100 °C | no data |
| Number of transistors | 1,400 million | 99,780 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| Unlocked multiplier | + | - |
Compatibility
Information on Core i7-4940MX and EPYC 9655 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 | 2 |
| Socket | FCPGA946 | SP5 |
| Power consumption (TDP) | 57 Watt | 400 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-4940MX and EPYC 9655. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 | no data |
| AES-NI | + | + |
| AVX | + | + |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | + | no data |
| TSX | + | - |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| FDI | + | no data |
| Precision Boost 2 | no data | + |
Security technologies
Core i7-4940MX and EPYC 9655 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | no data |
| Secure Key | + | no data |
| Identity Protection | + | - |
| Anti-Theft | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i7-4940MX and EPYC 9655 are enumerated here.
| AMD-V | + | + |
| VT-d | + | no data |
| VT-x | + | no data |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i7-4940MX and EPYC 9655. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR5 |
| Maximum memory size | 32 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 25.6 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel HD Graphics 4600 | N/A |
| Max video memory | 1.7 GB | no data |
| Quick Sync Video | + | - |
| Clear Video HD | + | no data |
| Graphics max frequency | 1.35 GHz | no data |
| InTru 3D | + | no data |
Graphics interfaces
Available interfaces and connections of Core i7-4940MX and EPYC 9655 integrated GPUs.
| Number of displays supported | 3 | no data |
| eDP | + | no data |
| DisplayPort | + | - |
| HDMI | + | - |
| VGA | + | no data |
Peripherals
Specifications and connection of peripherals supported by Core i7-4940MX and EPYC 9655.
| PCIe version | 3 | 5.0 |
| PCI Express lanes | 16 | 128 |
Pros & cons summary
| Recency | 20 January 2014 | 10 October 2024 |
| Physical cores | 4 | 96 |
| Threads | 8 | 192 |
| Chip lithography | 22 nm | 4 nm |
| Power consumption (TDP) | 57 Watt | 400 Watt |
i7-4940MX has 601.8% lower power consumption.
EPYC 9655, on the other hand, has an age advantage of 10 years, 2300% more physical cores and 2300% more threads, and a 450% more advanced lithography process.
We couldn't decide between Core i7-4940MX and EPYC 9655. We've got no test results to judge.
Be aware that Core i7-4940MX is a notebook processor while EPYC 9655 is a server/workstation one.
Should you still have questions on choice between Core i7-4940MX and EPYC 9655, ask them in Comments section, and we shall answer.
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