EPYC Embedded 3251 vs i5-7640X
Primary details
Comparing Core i5-7640X and EPYC Embedded 3251 processor market type (desktop or notebook), architecture, sales start time and price.
Place in the ranking | 1325 | not rated |
Place by popularity | not in top-100 | not in top-100 |
Cost-effectiveness evaluation | 1.86 | no data |
Market segment | Desktop processor | Server |
Series | Intel Core i5 | AMD EPYC Embedded |
Power efficiency | 3.74 | no data |
Architecture codename | Kaby Lake-X (2017) | Zen (2017−2020) |
Release date | 30 May 2017 (7 years ago) | 21 February 2018 (6 years ago) |
Launch price (MSRP) | $242 | $315 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core i5-7640X 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 | 4 (Quad-Core) | 8 (Octa-Core) |
Threads | 4 | 16 |
Base clock speed | 4 GHz | 2.5 GHz |
Boost clock speed | 4.2 GHz | 2.5 GHz |
Bus type | DMI 3.0 | no data |
Bus rate | 4 × 8 GT/s | no data |
Multiplier | 40 | 25 |
L1 cache | 256 KB | 768 KB |
L2 cache | 1 MB | 4 MB |
L3 cache | 6 MB (shared) | 16 MB (shared) |
Chip lithography | 14 nm | 14 nm |
Die size | no data | 213 mm2 |
Maximum core temperature | 100 °C | no data |
Maximum case temperature (TCase) | 72 °C | no data |
Number of transistors | no data | 4800 Million |
64 bit support | + | + |
Windows 11 compatibility | - | - |
Unlocked multiplier | + | + |
Compatibility
Information on Core i5-7640X 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) | 112 Watt | 55 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i5-7640X 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 | no data |
AES-NI | + | + |
AVX | + | + |
Enhanced SpeedStep (EIST) | + | no data |
Turbo Boost Technology | 2.0 | no data |
TSX | + | - |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i5-7640X 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 i5-7640X and EPYC Embedded 3251. Depending on the motherboard, higher memory frequencies may be supported.
Supported memory types | DDR4-2666 | DDR4 Eight-channel |
Maximum memory size | 64 GB | 512 GB |
Max memory channels | 2 | 2 |
Maximum memory bandwidth | 42.671 GB/s | 42.671 GB/s |
ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
Integrated graphics card | HD 630 | no data |
Peripherals
Specifications and connection of peripherals supported by Core i5-7640X and EPYC Embedded 3251.
PCIe version | 3.0 | no data |
PCI Express lanes | 16 | no data |
Pros & cons summary
Recency | 30 May 2017 | 21 February 2018 |
Physical cores | 4 | 8 |
Threads | 4 | 16 |
Power consumption (TDP) | 112 Watt | 55 Watt |
EPYC Embedded 3251 has an age advantage of 8 months, 100% more physical cores and 300% more threads, and 103.6% lower power consumption.
We couldn't decide between Core i5-7640X and EPYC Embedded 3251. We've got no test results to judge.
Note that Core i5-7640X is a desktop processor while EPYC Embedded 3251 is a server/workstation one.
Should you still have questions on choice between Core i5-7640X and EPYC Embedded 3251, ask them in Comments section, and we shall answer.
Similar processor comparisons
We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.