Threadripper PRO 7955WX vs Opteron X3421
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2205 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Workstation | Desktop processor |
| Power efficiency | 5.32 | no data |
| Designer | AMD | AMD |
| Manufacturer | GlobalFoundries | TSMC |
| Architecture codename | Excavator (2017−2018) | Storm Peak (2023) |
| Release date | 10 June 2017 (8 years ago) | 19 October 2023 (2 years ago) |
| Launch price (MSRP) | no data | $1,899 |
Detailed specifications
Basic parameters of Opteron X3421 and Threadripper PRO 7955WX: 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) | 16 (Hexadeca-Core) |
| Threads | 4 | 32 |
| Base clock speed | 2.1 GHz | 4.5 GHz |
| Boost clock speed | 3.4 GHz | 5.3 GHz |
| L1 cache | 160 KB | 64 KB (per core) |
| L2 cache | 2 MB (shared) | 1 MB (per core) |
| L3 cache | no data | 64 MB (shared) |
| Chip lithography | 28 nm | 5 nm |
| Die size | 250 mm2 | 2x 71 mm2 |
| Maximum case temperature (TCase) | 82 °C | no data |
| Number of transistors | 3,100 million | 13,140 million |
| 64 bit support | + | + |
| Unlocked multiplier | - | + |
Compatibility
Information on Opteron X3421 and Threadripper PRO 7955WX 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 | 1 |
| Socket | FP4 | sTR5 |
| Power consumption (TDP) | 15 Watt | 350 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Opteron X3421 and Threadripper PRO 7955WX. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| FMA | + | - |
| AVX | + | + |
| Precision Boost 2 | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Opteron X3421 and Threadripper PRO 7955WX are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Opteron X3421 and Threadripper PRO 7955WX. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Radeon Rx Series 8CU | N/A |
Peripherals
Specifications and connection of peripherals supported by Opteron X3421 and Threadripper PRO 7955WX.
| PCIe version | 3.0 | 5.0 |
| PCI Express lanes | 8 | 144 |
Pros & cons summary
| Recency | 10 June 2017 | 19 October 2023 |
| Physical cores | 4 | 16 |
| Threads | 4 | 32 |
| Chip lithography | 28 nm | 5 nm |
| Power consumption (TDP) | 15 Watt | 350 Watt |
Opteron X3421 has 2233% lower power consumption.
Threadripper PRO 7955WX, on the other hand, has an age advantage of 6 years, 300% more physical cores and 700% more threads, and a 460% more advanced lithography process.
We couldn't decide between AMD Opteron X3421 and AMD Threadripper PRO 7955WX. We've got no test results to judge.
Be aware that Opteron X3421 is a server/workstation processor while Threadripper PRO 7955WX is a desktop one.
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