i9-10940XE vs Ryzen 9 3900X
Primary details
Comparing Ryzen 9 3900X and Core i9-10940XE processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 284 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 21.26 | no data |
| Market segment | Desktop processor | Desktop processor |
| Series | AMD Ryzen 9 | no data |
| Power efficiency | 15.49 | no data |
| Architecture codename | Matisse (Zen 2) (2019−2020) | Cascade Lake-X (2019) |
| Release date | 7 July 2019 (5 years ago) | 19 October 2019 (5 years ago) |
| Launch price (MSRP) | $499 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Ryzen 9 3900X and Core i9-10940XE 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) | 14 (Tetradeca-Core) |
| Threads | 24 | 28 |
| Base clock speed | 3.8 GHz | 3.3 GHz |
| Boost clock speed | 4.6 GHz | 4.8 GHz |
| L1 cache | 96K (per core) | 64K (per core) |
| L2 cache | 512K (per core) | 1 MB (per core) |
| L3 cache | 64 MB | 19.25 MB (shared) |
| Chip lithography | 7 nm, 12 nm | 14 nm |
| Maximum core temperature | 95 °C | no data |
| Number of transistors | 19,200 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | + | - |
| Unlocked multiplier | + | + |
Compatibility
Information on Ryzen 9 3900X and Core i9-10940XE 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 | AM4 | 2066 |
| Power consumption (TDP) | 125 Watt | 165 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 9 3900X and Core i9-10940XE. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | no data | + |
| TSX | - | + |
| Precision Boost 2 | + | no data |
Security technologies
Ryzen 9 3900X and Core i9-10940XE technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 9 3900X and Core i9-10940XE 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 Ryzen 9 3900X and Core i9-10940XE. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 Dual-channel | DDR4 Quad-channel |
| Maximum memory size | 128 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 51.196 GB/s | no data |
Peripherals
Specifications and connection of peripherals supported by Ryzen 9 3900X and Core i9-10940XE.
| PCIe version | no data | 3.0 |
Pros & cons summary
| Recency | 7 July 2019 | 19 October 2019 |
| Physical cores | 12 | 14 |
| Threads | 24 | 28 |
| Chip lithography | 7 nm | 14 nm |
| Power consumption (TDP) | 125 Watt | 165 Watt |
Ryzen 9 3900X has a 100% more advanced lithography process, and 32% lower power consumption.
i9-10940XE, on the other hand, has an age advantage of 3 months, and 16.7% more physical cores and 16.7% more threads.
We couldn't decide between Ryzen 9 3900X and Core i9-10940XE. We've got no test results to judge.
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