Threadripper PRO 7945WX vs i9-9900X
Primary details
Comparing Core i9-9900X and Threadripper PRO 7945WX processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 542 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 5.07 | no data |
| Market segment | Desktop processor | Desktop processor |
| Series | Intel Core i9 | no data |
| Power efficiency | 7.87 | no data |
| Architecture codename | Skylake (server) (2017−2018) | Storm Peak (2023) |
| Release date | 8 October 2018 (6 years ago) | 19 October 2023 (1 year ago) |
| Launch price (MSRP) | $989 | $1,399 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core i9-9900X and Threadripper PRO 7945WX 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 | 10 (Deca-Core) | 12 (Dodeca-Core) |
| Threads | 20 | 24 |
| Base clock speed | 3.5 GHz | 4.7 GHz |
| Boost clock speed | 4.5 GHz | 5.3 GHz |
| Bus type | DMI 3.0 | no data |
| Bus rate | 4 × 8 GT/s | no data |
| Multiplier | 35 | no data |
| L1 cache | 640 KB | 64 KB (per core) |
| L2 cache | 10 MB | 1 MB (per core) |
| L3 cache | 19.25 MB (shared) | 64 MB (shared) |
| Chip lithography | 14 nm | 5 nm |
| Die size | no data | 2x 71 mm2 |
| Maximum core temperature | 92 °C | no data |
| Maximum case temperature (TCase) | 72 °C | no data |
| Number of transistors | no data | 13,140 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
| Unlocked multiplier | + | + |
Compatibility
Information on Core i9-9900X and Threadripper PRO 7945WX 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 (Uniprocessor) | 1 |
| Socket | FCLGA2066 | sTR5 |
| Power consumption (TDP) | 165 Watt | 350 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i9-9900X and Threadripper PRO 7945WX. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512 | no data |
| AES-NI | + | + |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | + | 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 | + |
Security technologies
Core i9-9900X and Threadripper PRO 7945WX technologies aimed at improving security, for example, by protecting against hacks.
| EDB | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i9-9900X and Threadripper PRO 7945WX are enumerated here.
| AMD-V | - | + |
| VT-d | + | no data |
| VT-x | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i9-9900X and Threadripper PRO 7945WX. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-2666 | DDR5 |
| Maximum memory size | 128 GB | no data |
| Max memory channels | 4 | no data |
| Maximum memory bandwidth | 85.33 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 Core i9-9900X and Threadripper PRO 7945WX.
| PCIe version | 3.0 | 5.0 |
| PCI Express lanes | 44 | 128 |
Pros & cons summary
| Recency | 8 October 2018 | 19 October 2023 |
| Physical cores | 10 | 12 |
| Threads | 20 | 24 |
| Chip lithography | 14 nm | 5 nm |
| Power consumption (TDP) | 165 Watt | 350 Watt |
i9-9900X has 112.1% lower power consumption.
Threadripper PRO 7945WX, on the other hand, has an age advantage of 5 years, 20% more physical cores and 20% more threads, and a 180% more advanced lithography process.
We couldn't decide between Core i9-9900X and Threadripper PRO 7945WX. We've got no test results to judge.
Should you still have questions on choice between Core i9-9900X and Threadripper PRO 7945WX, ask them in Comments section, and we shall answer.
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