Opteron 6238 vs Ryzen Threadripper PRO 3945WX
Aggregate performance score
Ryzen Threadripper PRO 3945WX outperforms Opteron 6238 by a whopping 494% based on our aggregate benchmark results.
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 364 | 1771 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 0.34 |
| Market segment | Server | Server |
| Series | AMD Ryzen Threadripper | no data |
| Power efficiency | 7.26 | 2.97 |
| Designer | AMD | AMD |
| Manufacturer | TSMC | GlobalFoundries |
| Architecture codename | Castle Peak (2020) | Interlagos (2011−2012) |
| Release date | 14 July 2020 (5 years ago) | 14 November 2011 (14 years ago) |
| Launch price (MSRP) | no data | $455 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Ryzen Threadripper PRO 3945WX and Opteron 6238 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 | 12 (Dodeca-Core) | 12 (Dodeca-Core) |
| Threads | 24 | 12 |
| Base clock speed | 4 GHz | 2.6 GHz |
| Boost clock speed | 4.3 GHz | 3.2 GHz |
| Multiplier | 40 | no data |
| L1 cache | 64 KB (per core) | 768 KB |
| L2 cache | 512 KB (per core) | 2 MB (per module) |
| L3 cache | 64 MB | 8 MB (per die) |
| Chip lithography | 7 nm, 12 nm | 32 nm |
| Die size | 2x 74 mm2 | 2x 315 mm2 |
| Maximum case temperature (TCase) | 95 °C | 69 °C |
| Number of transistors | 7,600 million | 2,400 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
Compatibility
Information on Ryzen Threadripper PRO 3945WX and Opteron 6238 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 | 4 |
| Socket | WRX8 | G34 |
| Power consumption (TDP) | 280 Watt | 115 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen Threadripper PRO 3945WX and Opteron 6238. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| FMA | - | + |
| AVX | + | - |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen Threadripper PRO 3945WX and Opteron 6238 are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen Threadripper PRO 3945WX and Opteron 6238. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-3200 | DDR3 |
| Maximum memory size | 2 TiB | no data |
| Maximum memory bandwidth | 204.8 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | N/A |
Peripherals
Specifications and connection of peripherals supported by Ryzen Threadripper PRO 3945WX and Opteron 6238.
| PCIe version | 4.0 | 2.0 |
| PCI Express lanes | 128 | no data |
Synthetic benchmarks
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating.
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. Other than that, Passmark measures multi-core performance.
Pros & cons summary
| Performance score | 18.96 | 3.19 |
| Recency | 14 July 2020 | 14 November 2011 |
| Threads | 24 | 12 |
| Chip lithography | 7 nm | 32 nm |
| Power consumption (TDP) | 280 Watt | 115 Watt |
Ryzen Threadripper PRO 3945WX has a 494.4% higher aggregate performance score, an age advantage of 8 years, 100% more threads, and a 357.1% more advanced lithography process.
Opteron 6238, on the other hand, has 143.5% lower power consumption.
The AMD Ryzen Threadripper PRO 3945WX is our recommended choice as it beats the AMD Opteron 6238 in performance tests.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
