Ryzen Threadripper PRO 3975WX vs Sempron 3800+
Aggregate performance score
Ryzen Threadripper PRO 3975WX outperforms Sempron 3800+ by a whopping 17000% based on our aggregate benchmark results.
Primary details
Comparing Sempron 3800+ and Ryzen Threadripper PRO 3975WX processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3195 | 70 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Server |
| Series | no data | AMD Ryzen Threadripper |
| Power efficiency | 0.35 | 13.29 |
| Architecture codename | Manila (2001−2006) | Matisse (2019−2020) |
| Release date | October 2006 (18 years ago) | 14 July 2020 (4 years ago) |
| Launch price (MSRP) | $21 | no data |
Detailed specifications
Sempron 3800+ and Ryzen Threadripper PRO 3975WX 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 | 1 (Single-Core) | 32 (Dotriaconta-Core) |
| Threads | 1 | 64 |
| Base clock speed | no data | 3.5 GHz |
| Boost clock speed | 2.2 GHz | 4.2 GHz |
| Multiplier | no data | 35 |
| L1 cache | 128 KB | 64K (per core) |
| L2 cache | 256 KB | 512K (per core) |
| L3 cache | 0 KB | 128 MB |
| Chip lithography | 90 nm | 7 nm, 12 nm |
| Die size | 103 mm2 | 74 mm2 |
| Maximum core temperature | no data | 95 °C |
| Maximum case temperature (TCase) | no data | 95 °C |
| Number of transistors | 81 million | 3,800 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| Unlocked multiplier | - | + |
Compatibility
Information on Sempron 3800+ and Ryzen Threadripper PRO 3975WX 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 | AM2 | sWRX8 |
| Power consumption (TDP) | 62 Watt | 280 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Sempron 3800+ and Ryzen Threadripper PRO 3975WX. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AES, AVX, AVX2, BMI1, BMI2, SHA, F16C, FMA3, AMD64, EVP, AMD-V, SMAP, SMEP, SMT, Precision Boost 2, XFR 2 |
| AES-NI | - | + |
| AVX | - | + |
| Precision Boost 2 | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Sempron 3800+ and Ryzen Threadripper PRO 3975WX are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Sempron 3800+ and Ryzen Threadripper PRO 3975WX. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR4-3200 |
| Maximum memory size | no data | 2 TiB |
| Maximum memory bandwidth | no data | 204.8 GB/s |
Peripherals
Specifications and connection of peripherals supported by Sempron 3800+ and Ryzen Threadripper PRO 3975WX.
| PCIe version | no data | 4.0 |
| PCI Express lanes | no data | 128 |
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 | 0.23 | 39.33 |
| Physical cores | 1 | 32 |
| Threads | 1 | 64 |
| Chip lithography | 90 nm | 7 nm |
| Power consumption (TDP) | 62 Watt | 280 Watt |
Sempron 3800+ has 351.6% lower power consumption.
Ryzen Threadripper PRO 3975WX, on the other hand, has a 17000% higher aggregate performance score, 3100% more physical cores and 6300% more threads, and a 1185.7% more advanced lithography process.
The Ryzen Threadripper PRO 3975WX is our recommended choice as it beats the Sempron 3800+ in performance tests.
Note that Sempron 3800+ is a desktop processor while Ryzen Threadripper PRO 3975WX is a server/workstation one.
Should you still have questions on choice between Sempron 3800+ and Ryzen Threadripper PRO 3975WX, ask them in Comments section, and we shall answer.
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