Ryzen Threadripper PRO 9985WX vs Opteron 840
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 6 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 6.30 |
| Market segment | Server | Server |
| Power efficiency | no data | 10.54 |
| Designer | AMD | AMD |
| Manufacturer | no data | TSMC |
| Architecture codename | SledgeHammer (2003−2005) | Shimada Peak (2025) |
| Release date | September 2003 (22 years ago) | 23 July 2025 (less than a year ago) |
| Launch price (MSRP) | no data | $7,999 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Basic parameters of Opteron 840 and Ryzen Threadripper PRO 9985WX: 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 | 1 (Single-Core) | 64 (Tetrahexaconta-Core) |
| Threads | 1 | 128 |
| Base clock speed | no data | 3.2 GHz |
| Boost clock speed | 1.4 GHz | 5.4 GHz |
| L1 cache | 128 KB | 64 KB (per core) |
| L2 cache | 1 MB | 1 MB (per core) |
| L3 cache | 0 KB | 256 MB (shared) |
| Chip lithography | 130 nm | 4 nm |
| Die size | 193 mm2 | 8x 70.6 mm2 |
| Number of transistors | 106 million | 66,520 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| Unlocked multiplier | - | + |
Compatibility
Information on Opteron 840 and Ryzen Threadripper PRO 9985WX 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 | 940 | sTR5 |
| Power consumption (TDP) | 85 Watt | 350 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Opteron 840 and Ryzen Threadripper PRO 9985WX. 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 Opteron 840 and Ryzen Threadripper PRO 9985WX are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Opteron 840 and Ryzen Threadripper PRO 9985WX. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | N/A |
Peripherals
Specifications and connection of peripherals supported by Opteron 840 and Ryzen Threadripper PRO 9985WX.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 136 |
Pros & cons summary
| Physical cores | 1 | 64 |
| Threads | 1 | 128 |
| Chip lithography | 130 nm | 4 nm |
| Power consumption (TDP) | 85 Watt | 350 Watt |
Opteron 840 has 312% lower power consumption.
Ryzen Threadripper PRO 9985WX, on the other hand, has 6300% more physical cores and 12700% more threads, and a 3150% more advanced lithography process.
We couldn't decide between AMD Opteron 840 and AMD Ryzen Threadripper PRO 9985WX. We've got no test results to judge.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
