Athlon X4 850 vs Ryzen Threadripper PRO 3945WX
Aggregate performance score
Ryzen Threadripper PRO 3945WX outperforms Athlon X4 850 by a whopping 895% based on our aggregate benchmark results.
Primary details
Comparing Ryzen Threadripper PRO 3945WX and Athlon X4 850 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 258 | 1863 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Desktop processor |
| Series | AMD Ryzen Threadripper | no data |
| Power efficiency | 7.14 | 3.09 |
| Architecture codename | Matisse (2019−2020) | Godaveri (2014−2016) |
| Release date | 14 July 2020 (4 years ago) | July 2015 (9 years ago) |
Detailed specifications
Ryzen Threadripper PRO 3945WX and Athlon X4 850 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) | 4 (Quad-Core) |
| Threads | 24 | 4 |
| Base clock speed | 4 GHz | 3.2 GHz |
| Boost clock speed | 4.3 GHz | 3.9 GHz |
| Multiplier | 40 | no data |
| L1 cache | 64K (per core) | 256K |
| L2 cache | 512K (per core) | 4 MB |
| L3 cache | 64 MB | no data |
| Chip lithography | 7 nm, 12 nm | 28 nm |
| Die size | 74 mm2 | 245 mm2 |
| Maximum case temperature (TCase) | 95 °C | no data |
| Number of transistors | 3,800 million | 2,411 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
| Unlocked multiplier | + | + |
Compatibility
Information on Ryzen Threadripper PRO 3945WX and Athlon X4 850 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 | TR4 | FM2+ |
| Power consumption (TDP) | 280 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen Threadripper PRO 3945WX and Athlon X4 850. 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 Athlon X4 850 are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen Threadripper PRO 3945WX and Athlon X4 850. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-3200 | DDR3-2133 |
| Maximum memory size | 2 TiB | no data |
| Maximum memory bandwidth | 204.8 GB/s | no data |
Peripherals
Specifications and connection of peripherals supported by Ryzen Threadripper PRO 3945WX and Athlon X4 850.
| PCIe version | 4.0 | 3.0 |
| PCI Express lanes | 128 | 16 |
Synthetic benchmark performance
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. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
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.
Pros & cons summary
| Performance score | 21.20 | 2.13 |
| Physical cores | 12 | 4 |
| Threads | 24 | 4 |
| Chip lithography | 7 nm | 28 nm |
| Power consumption (TDP) | 280 Watt | 65 Watt |
Ryzen Threadripper PRO 3945WX has a 895.3% higher aggregate performance score, 200% more physical cores and 500% more threads, and a 300% more advanced lithography process.
Athlon X4 850, on the other hand, has 330.8% lower power consumption.
The Ryzen Threadripper PRO 3945WX is our recommended choice as it beats the Athlon X4 850 in performance tests.
Be aware that Ryzen Threadripper PRO 3945WX is a server/workstation processor while Athlon X4 850 is a desktop one.
Should you still have questions on choice between Ryzen Threadripper PRO 3945WX and Athlon X4 850, ask them in Comments section, and we shall answer.
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