Ryzen Threadripper 3960X vs Xeon 658X
Aggregate performance score
Xeon 658X outperforms Ryzen Threadripper 3960X by a significant 25% 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 | 99 | 174 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 25.47 | 15.68 |
| Market segment | Server | Desktop processor |
| Series | no data | AMD Ryzen Threadripper |
| Power efficiency | 6.58 | 4.72 |
| Designer | Intel | AMD |
| Manufacturer | Intel | TSMC |
| Architecture codename | Granite Rapids (2024−2026) | Matisse (2019−2020) |
| Release date | 2 February 2026 (recently) | 25 November 2019 (6 years ago) |
| Launch price (MSRP) | $1,699 | $1,399 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Xeon 658X has 62% better value for money than Ryzen Threadripper 3960X.
Performance to price scatter graph
Detailed specifications
Xeon 658X and Ryzen Threadripper 3960X 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 | 24 (Tetracosa-Core) | 24 (Tetracosa-Core) |
| Performance-cores | 24 | no data |
| Threads | 48 | 48 |
| Base clock speed | 3 GHz | 3.8 GHz |
| Boost clock speed | 4.9 GHz | 4.5 GHz |
| Bus rate | 0 GT/s | 8 × 16 GT/s |
| Multiplier | no data | 38 |
| L1 cache | 112 KB (per core) | 96K (per core) |
| L2 cache | 2 MB (per core) | 512K (per core) |
| L3 cache | 144 MB (shared) | 128 MB |
| Chip lithography | Intel 3 nm | 7 nm, 12 nm |
| Die size | 2x 598 mm2 | no data |
| Maximum case temperature (TCase) | 75 °C | no data |
| Number of transistors | no data | 19,200 million |
| 64 bit support | + | + |
| Windows 11 compatibility | no data | + |
| Unlocked multiplier | + | + |
Compatibility
Information on Xeon 658X and Ryzen Threadripper 3960X 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 (Uniprocessor) |
| Socket | FCLGA4710 | TR4 |
| Power consumption (TDP) | 250 Watt | 280 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon 658X and Ryzen Threadripper 3960X. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® AMX, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512 | no data |
| AES-NI | + | + |
| AVX | + | + |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | no data |
| Speed Shift | + | no data |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | + | no data |
| TSX | + | - |
| Turbo Boost Max 3.0 | + | no data |
| Precision Boost 2 | no data | + |
| Deep Learning Boost | + | - |
Security technologies
Xeon 658X and Ryzen Threadripper 3960X technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | no data |
| SGX | - | no data |
| OS Guard | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon 658X and Ryzen Threadripper 3960X are enumerated here.
| AMD-V | - | + |
| VT-d | + | no data |
| VT-x | + | no data |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon 658X and Ryzen Threadripper 3960X. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5(6400MT/s) | DDR4 Eight-channel |
| Maximum memory size | 4 TB | 256 GB |
| Max memory channels | 8 | 4 |
| Maximum memory bandwidth | no data | 102.403 GB/s |
| ECC memory support | + | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | - |
Peripherals
Specifications and connection of peripherals supported by Xeon 658X and Ryzen Threadripper 3960X.
| PCIe version | 5.0 | no data |
| 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 | 38.95 | 31.28 |
| Recency | 2 February 2026 | 25 November 2019 |
| Power consumption (TDP) | 250 Watt | 280 Watt |
Xeon 658X has a 24.5% higher aggregate performance score, an age advantage of 6 years, and 12% lower power consumption.
The Intel Xeon 658X is our recommended choice as it beats the AMD Ryzen Threadripper 3960X in performance tests.
Be aware that Xeon 658X is a server/workstation processor while Ryzen Threadripper 3960X is a desktop one.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
