EPYC Embedded 3251 vs i7-7800X
Primary details
Comparing Core i7-7800X and EPYC Embedded 3251 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 926 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 3.28 | no data |
| Market segment | Desktop processor | Server |
| Series | Intel Core i7 | AMD EPYC Embedded |
| Power efficiency | 5.48 | no data |
| Architecture codename | Skylake (server) (2017−2018) | Zen (2017−2020) |
| Release date | 26 June 2017 (7 years ago) | 21 February 2018 (6 years ago) |
| Launch price (MSRP) | $383 | $315 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core i7-7800X and EPYC Embedded 3251 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 | 6 (Hexa-Core) | 8 (Octa-Core) |
| Threads | 12 | 16 |
| Base clock speed | 3.5 GHz | 2.5 GHz |
| Boost clock speed | 4 GHz | 3.1 GHz |
| Bus type | DMI 3.0 | no data |
| Bus rate | 4 × 8 GT/s | no data |
| Multiplier | 35 | 25 |
| L1 cache | 64 KB (per core) | 96K (per core) |
| L2 cache | 1 MB (per core) | 512K (per core) |
| L3 cache | 8.25 MB (shared) | 16 MB (shared) |
| Chip lithography | 14 nm | 14 nm |
| Die size | no data | 192 mm2 |
| Maximum core temperature | 100 °C | no data |
| Maximum case temperature (TCase) | 72 °C | no data |
| Number of transistors | no data | 4,800 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | - |
| Unlocked multiplier | + | + |
Compatibility
Information on Core i7-7800X and EPYC Embedded 3251 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 (Uniprocessor) |
| Socket | FCLGA2066 | TR4 |
| Power consumption (TDP) | 140 Watt | 50 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-7800X and EPYC Embedded 3251. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512 | no data |
| AES-NI | + | + |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | + | no data |
| TSX | + | - |
Security technologies
Core i7-7800X and EPYC Embedded 3251 technologies aimed at improving security, for example, by protecting against hacks.
| EDB | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i7-7800X and EPYC Embedded 3251 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 i7-7800X and EPYC Embedded 3251. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-2400 | DDR4 Eight-channel |
| Maximum memory size | 128 GB | 512 GB |
| Max memory channels | 4 | 2 |
| Maximum memory bandwidth | 85.33 GB/s | 42.671 GB/s |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | no data |
Peripherals
Specifications and connection of peripherals supported by Core i7-7800X and EPYC Embedded 3251.
| PCIe version | 3.0 | no data |
| PCI Express lanes | 28 | no data |
Pros & cons summary
| Recency | 26 June 2017 | 21 February 2018 |
| Physical cores | 6 | 8 |
| Threads | 12 | 16 |
| Power consumption (TDP) | 140 Watt | 50 Watt |
EPYC Embedded 3251 has an age advantage of 7 months, 33.3% more physical cores and 33.3% more threads, and 180% lower power consumption.
We couldn't decide between Core i7-7800X and EPYC Embedded 3251. We've got no test results to judge.
Note that Core i7-7800X is a desktop processor while EPYC Embedded 3251 is a server/workstation one.
Should you still have questions on choice between Core i7-7800X and EPYC Embedded 3251, ask them in Comments section, and we shall answer.
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