EPYC 9255 vs i7-2740QM
Primary details
Comparing Core i7-2740QM and EPYC 9255 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Server |
| Series | Intel Core i7 | no data |
| Architecture codename | Sandy Bridge (2011−2013) | Turin (2024) |
| Release date | 4 September 2011 (13 years ago) | 10 October 2024 (less than a year ago) |
| Launch price (MSRP) | no data | $2,495 |
Detailed specifications
Core i7-2740QM and EPYC 9255 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) | 24 (Tetracosa-Core) |
| Threads | 8 | 48 |
| Base clock speed | no data | 3.25 GHz |
| Boost clock speed | 2.3 GHz | 4.8 GHz |
| Bus type | DMI 2.0 | no data |
| Bus rate | 4 × 5 GT/s | no data |
| Multiplier | 23 | no data |
| L1 cache | 256 KB | 80 KB (per core) |
| L2 cache | 1 MB | 1 MB (per core) |
| L3 cache | 6 MB | 128 MB (shared) |
| Chip lithography | 32 nm | 4 nm |
| Die size | 216 mm2 | 4x 70.6 mm2 |
| Number of transistors | 1160 Million | 33,260 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
Compatibility
Information on Core i7-2740QM and EPYC 9255 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) | 2 |
| Socket | Socket G2 | SP5 |
| Power consumption (TDP) | 45 Watt | 200 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-2740QM and EPYC 9255. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| FMA | + | - |
| AVX | + | + |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | no data |
| Precision Boost 2 | no data | + |
Security technologies
Core i7-2740QM and EPYC 9255 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i7-2740QM and EPYC 9255 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 Core i7-2740QM and EPYC 9255. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3-1600 | DDR5 |
| Maximum memory size | 32 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 25.598 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel HD Graphics 3000 | N/A |
Peripherals
Specifications and connection of peripherals supported by Core i7-2740QM and EPYC 9255.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 128 |
Pros & cons summary
| Recency | 4 September 2011 | 10 October 2024 |
| Physical cores | 4 | 24 |
| Threads | 8 | 48 |
| Chip lithography | 32 nm | 4 nm |
| Power consumption (TDP) | 45 Watt | 200 Watt |
i7-2740QM has 344.4% lower power consumption.
EPYC 9255, on the other hand, has an age advantage of 13 years, 500% more physical cores and 500% more threads, and a 700% more advanced lithography process.
We couldn't decide between Core i7-2740QM and EPYC 9255. We've got no test results to judge.
Be aware that Core i7-2740QM is a notebook processor while EPYC 9255 is a server/workstation one.
Should you still have questions on choice between Core i7-2740QM and EPYC 9255, ask them in Comments section, and we shall answer.
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