EPYC 7662 vs Ryzen Threadripper 3980X
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 68 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Server |
| Series | AMD Ryzen Threadripper | AMD EPYC |
| Power efficiency | no data | 7.73 |
| Designer | AMD | AMD |
| Manufacturer | TSMC | no data |
| Architecture codename | Matisse (2019−2020) | Zen 2 (2017−2020) |
| Release date | 14 November 2019 (5 years ago) | 19 February 2020 (5 years ago) |
Detailed specifications
Ryzen Threadripper 3980X and EPYC 7662 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 | 48 (Octatetraconta-Core) | 64 (Tetrahexaconta-Core) |
| Threads | 96 | 128 |
| Base clock speed | 3.5 GHz | 2 GHz |
| Boost clock speed | 4.5 GHz | 3.3 GHz |
| Multiplier | 32 | 20 |
| L1 cache | 3 MB | 4 MB |
| L2 cache | 24 MB | 32 MB |
| L3 cache | 128 MB | 256 MB |
| Chip lithography | 7 nm, 12 nm | 7 nm, 14 nm |
| Number of transistors | 19,200 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| Unlocked multiplier | + | - |
Compatibility
Information on Ryzen Threadripper 3980X and EPYC 7662 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 | no data |
| Socket | TR4 | Socket SP3 |
| Power consumption (TDP) | 280 Watt | 225 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen Threadripper 3980X and EPYC 7662. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
| Precision Boost 2 | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen Threadripper 3980X and EPYC 7662 are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen Threadripper 3980X and EPYC 7662. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 Eight-channel | DDR4-3200 |
| Maximum memory size | 512 GB | 4 TiB |
| Max memory channels | 4 | 8 |
| Maximum memory bandwidth | 102.403 GB/s | 204.763 GB/s |
| ECC memory support | + | + |
Pros & cons summary
| Recency | 14 November 2019 | 19 February 2020 |
| Physical cores | 48 | 64 |
| Threads | 96 | 128 |
| Power consumption (TDP) | 280 Watt | 225 Watt |
EPYC 7662 has an age advantage of 3 months, 33.3% more physical cores and 33.3% more threads, and 24.4% lower power consumption.
We couldn't decide between AMD Ryzen Threadripper 3980X and AMD EPYC 7662. We've got no test results to judge.
Note that Ryzen Threadripper 3980X is a desktop processor while EPYC 7662 is a server/workstation one.
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