i5-14450HX vs Ryzen 9 3900X
Primary details
Comparing Ryzen 9 3900X and Core i5-14450HX processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 253 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 22.37 | no data |
| Market segment | Desktop processor | Laptop |
| Series | AMD Ryzen 9 | Raptor Lake-HX |
| Architecture codename | Matisse (Zen 2) (2019−2020) | Raptor Lake-HX Refresh (2024) |
| Release date | 7 July 2019 (5 years ago) | 8 January 2024 (less than a year ago) |
| Launch price (MSRP) | $499 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Ryzen 9 3900X and Core i5-14450HX 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) | 10 (Deca-Core) |
| Threads | 24 | 16 |
| Base clock speed | 3.8 GHz | 2.4 GHz |
| Boost clock speed | 4.6 GHz | 4.8 GHz |
| L1 cache | 768 KB | 80 KB (per core) |
| L2 cache | 6 MB | 2 MB (per core) |
| L3 cache | 64 MB | 20 MB (shared) |
| Chip lithography | 7 nm, 12 nm | Intel 7 nm |
| Die size | no data | 257 mm2 |
| Maximum core temperature | 95 °C | 100 °C |
| Maximum case temperature (TCase) | no data | 72 °C |
| Number of transistors | 19,200 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
| Unlocked multiplier | + | + |
Compatibility
Information on Ryzen 9 3900X and Core i5-14450HX 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 | FCBGA1964 |
| Power consumption (TDP) | 105 Watt | 55 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 9 3900X and Core i5-14450HX. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| AES-NI | + | + |
| FMA | - | + |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Speed Shift | no data | + |
| Hyper-Threading Technology | no data | + |
| TSX | - | + |
| Thermal Monitoring | - | + |
| Flex Memory Access | no data | + |
| Status | no data | Launched |
| Precision Boost 2 | + | no data |
| Deep Learning Boost | - | + |
Security technologies
Ryzen 9 3900X and Core i5-14450HX technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| Secure Key | no data | + |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 9 3900X and Core i5-14450HX 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 Ryzen 9 3900X and Core i5-14450HX. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 Dual-channel | DDR4, DDR5 |
| Maximum memory size | 128 GB | 192 GB |
| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | 51.196 GB/s | 89.6 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | - | Intel® UHD Graphics for 14th Gen Intel® Processors |
| Quick Sync Video | - | + |
| Graphics max frequency | - | 1.5 GHz |
| Execution Units | - | 16 |
Graphics interfaces
Available interfaces and connections of Ryzen 9 3900X and Core i5-14450HX integrated GPUs.
| Number of displays supported | - | 4 |
Graphics image quality
Maximum display resolutions supported by Ryzen 9 3900X and Core i5-14450HX integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | - | 4096 x 2160 @ 60Hz |
| Max resolution over eDP | - | 5120 x 3200 @ 120Hz |
| Max resolution over DisplayPort | - | 7680 x 4320 @ 60Hz |
Graphics API support
APIs supported by Ryzen 9 3900X and Core i5-14450HX integrated GPUs, sometimes API versions are included.
| DirectX | - | 12.1 |
| OpenGL | - | 4.6 |
Peripherals
Specifications and connection of peripherals supported by Ryzen 9 3900X and Core i5-14450HX.
| PCIe version | no data | 5.0 and 4.0 |
| PCI Express lanes | no data | 16 |
Pros & cons summary
| Recency | 7 July 2019 | 8 January 2024 |
| Physical cores | 12 | 10 |
| Threads | 24 | 16 |
| Power consumption (TDP) | 105 Watt | 55 Watt |
Ryzen 9 3900X has 20% more physical cores and 50% more threads.
i5-14450HX, on the other hand, has an age advantage of 4 years, and 90.9% lower power consumption.
We couldn't decide between Ryzen 9 3900X and Core i5-14450HX. We've got no test results to judge.
Note that Ryzen 9 3900X is a desktop processor while Core i5-14450HX is a notebook one.
Should you still have questions on choice between Ryzen 9 3900X and Core i5-14450HX, ask them in Comments section, and we shall answer.
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