EPYC 7643 vs i3-380UM
Primary details
Comparing Core i3-380UM and EPYC 7643 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 38 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 6.32 |
| Market segment | Laptop | Server |
| Series | Intel Core i3 | AMD EPYC |
| Power efficiency | no data | 20.14 |
| Architecture codename | Arrandale (2010−2011) | Milan (2021−2023) |
| Release date | 1 October 2010 (14 years ago) | 12 January 2021 (3 years ago) |
| Launch price (MSRP) | no data | $4,995 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core i3-380UM and EPYC 7643 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 | 2 (Dual-core) | 48 (Octatetraconta-Core) |
| Threads | 4 | 96 |
| Base clock speed | 1.33 GHz | 2.3 GHz |
| Boost clock speed | 0.03 GHz | 3.6 GHz |
| Bus type | DMI 1.0 | no data |
| Bus rate | 1 × 2.5 GT/s | no data |
| Multiplier | 10 | 23 |
| L1 cache | 128 KB | 3 MB |
| L2 cache | 512 KB | 24 MB |
| L3 cache | 3 MB | 256 MB (shared) |
| Chip lithography | 32 nm | 7 nm+ |
| Die size | 81+114 mm2 | 8x 81 mm2 |
| Maximum core temperature | 105 °C | no data |
| Number of transistors | 382+177 Million | 33,200 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
Compatibility
Information on Core i3-380UM and EPYC 7643 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 | BGA1288 | SP3 |
| Power consumption (TDP) | 18 Watt | 225 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i3-380UM and EPYC 7643. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2 | no data |
| AES-NI | - | + |
| FMA | + | - |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | + | no data |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| Flex Memory Access | + | no data |
| PAE | 36 Bit | no data |
| FDI | + | no data |
| Fast Memory Access | + | no data |
Security technologies
Core i3-380UM and EPYC 7643 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | no data |
| EDB | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i3-380UM and EPYC 7643 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 i3-380UM and EPYC 7643. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR4-3200 |
| Maximum memory size | 8 GB | 4 TiB |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 12.799 GB/s | 204.795 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel® HD Graphics for Previous Generation Intel® Processors | N/A |
| Clear Video | + | no data |
| Clear Video HD | + | no data |
| Graphics max frequency | 500 MHz | no data |
Graphics interfaces
Available interfaces and connections of Core i3-380UM and EPYC 7643 integrated GPUs.
| Number of displays supported | 2 | no data |
Peripherals
Specifications and connection of peripherals supported by Core i3-380UM and EPYC 7643.
| PCIe version | 2.0 | 4.0 |
| PCI Express lanes | 16 | 128 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.
GeekBench 5 Single-Core
GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.
GeekBench 5 Multi-Core
GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.
Pros & cons summary
| Recency | 1 October 2010 | 12 January 2021 |
| Physical cores | 2 | 48 |
| Threads | 4 | 96 |
| Chip lithography | 32 nm | 7 nm |
| Power consumption (TDP) | 18 Watt | 225 Watt |
i3-380UM has 1150% lower power consumption.
EPYC 7643, on the other hand, has an age advantage of 10 years, 2300% more physical cores and 2300% more threads, and a 357.1% more advanced lithography process.
We couldn't decide between Core i3-380UM and EPYC 7643. We've got no test results to judge.
Be aware that Core i3-380UM is a notebook processor while EPYC 7643 is a server/workstation one.
Should you still have questions on choice between Core i3-380UM and EPYC 7643, 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.
