EPYC 7643 vs Ryzen 3 3300
Primary details
Comparing Ryzen 3 3300 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 | 6.59 |
| Market segment | Desktop processor | Server |
| Series | no data | AMD EPYC |
| Power efficiency | no data | 20.14 |
| Architecture codename | Zen 2 (2017−2020) | Milan (2021−2023) |
| Release date | March 2019 (5 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
Ryzen 3 3300 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 | 6 (Hexa-Core) | 48 (Octatetraconta-Core) |
| Threads | no data | 96 |
| Base clock speed | no data | 2.3 GHz |
| Boost clock speed | 3.2 GHz | 3.6 GHz |
| Multiplier | no data | 23 |
| L1 cache | 96K (per core) | 3 MB |
| L2 cache | 512K (per core) | 24 MB |
| L3 cache | 16 MB (shared) | 256 MB (shared) |
| Chip lithography | 7 nm | 7 nm+ |
| Die size | no data | 8x 81 mm2 |
| Number of transistors | 4800 million | 33,200 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| Unlocked multiplier | + | - |
Compatibility
Information on Ryzen 3 3300 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 | 2 |
| Socket | AM4 | SP3 |
| Power consumption (TDP) | 50 Watt | 225 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 3 3300 and EPYC 7643. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
| Precision Boost 2 | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 3 3300 and EPYC 7643 are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 3 3300 and EPYC 7643. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR4-3200 |
| Maximum memory size | no data | 4 TiB |
| Maximum memory bandwidth | no data | 204.795 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | N/A |
Peripherals
Specifications and connection of peripherals supported by Ryzen 3 3300 and EPYC 7643.
| PCIe version | no data | 4.0 |
| PCI Express lanes | no data | 128 |
Pros & cons summary
| Physical cores | 6 | 48 |
| Power consumption (TDP) | 50 Watt | 225 Watt |
Ryzen 3 3300 has 350% lower power consumption.
EPYC 7643, on the other hand, has 700% more physical cores.
We couldn't decide between Ryzen 3 3300 and EPYC 7643. We've got no test results to judge.
Note that Ryzen 3 3300 is a desktop processor while EPYC 7643 is a server/workstation one.
Should you still have questions on choice between Ryzen 3 3300 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.
