i9-14900T vs Ryzen 5 8645HS
Aggregate performance score
Core i9-14900T outperforms Ryzen 5 8645HS by an impressive 76% based on our aggregate benchmark results.
Primary details
Comparing Ryzen 5 8645HS and Core i9-14900T processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 498 | 196 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 39.27 |
| Market segment | Laptop | Desktop processor |
| Power efficiency | 30.25 | 68.43 |
| Architecture codename | Hawk Point-HS (Zen 4) (2023−2024) | Raptor Lake-R (2023−2024) |
| Release date | 6 December 2023 (1 year ago) | 8 January 2024 (less than a year ago) |
| Launch price (MSRP) | no data | $549 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Ryzen 5 8645HS and Core i9-14900T 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 | 6 (Hexa-Core) | 24 (Tetracosa-Core) |
| Threads | 12 | 32 |
| Base clock speed | 4.3 GHz | 1.1 GHz |
| Boost clock speed | 5 GHz | 5.5 GHz |
| L1 cache | 64 KB (per core) | 80 KB (per core) |
| L2 cache | 1 MB (per core) | 2 MB (per core) |
| L3 cache | 16 MB (shared) | 36 MB (shared) |
| Chip lithography | 4 nm | Intel 7 nm |
| Die size | 178 mm2 | 257 mm2 |
| Maximum core temperature | 100 °C | 100 °C |
| Number of transistors | 25,000 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | no data | + |
Compatibility
Information on Ryzen 5 8645HS and Core i9-14900T 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 | FP8 | FCLGA1700 |
| Power consumption (TDP) | 45 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 5 8645HS and Core i9-14900T. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Ryzen AI, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSE4.1, SSE4.2, SSE4A, SSSE3 | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| AES-NI | + | + |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Speed Shift | no data | + |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | no data | + |
| TSX | - | + |
| Idle States | no data | + |
| Thermal Monitoring | - | + |
| SIPP | - | + |
| Turbo Boost Max 3.0 | no data | + |
| Precision Boost 2 | + | no data |
| Deep Learning Boost | - | + |
Security technologies
Ryzen 5 8645HS and Core i9-14900T technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
| Secure Key | no data | + |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 5 8645HS and Core i9-14900T 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 5 8645HS and Core i9-14900T. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | DDR5-5600, DDR4-3200 |
| Maximum memory size | no data | 192 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 89.6 GB/s |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card Compare | AMD Radeon 760M ( - 2600 MHz) | Intel UHD Graphics 770 |
| Quick Sync Video | - | + |
| Clear Video HD | no data | + |
| Graphics max frequency | no data | 1.65 GHz |
| Execution Units | no data | 32 |
Graphics interfaces
Available interfaces and connections of Ryzen 5 8645HS and Core i9-14900T integrated GPUs.
| Number of displays supported | no data | 4 |
Graphics image quality
Maximum display resolutions supported by Ryzen 5 8645HS and Core i9-14900T integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | no data | 4096 x 2160 @ 60Hz |
| Max resolution over eDP | no data | 5120 x 3200 @ 120Hz |
| Max resolution over DisplayPort | no data | 7680 x 4320 @ 60Hz |
Graphics API support
APIs supported by Ryzen 5 8645HS and Core i9-14900T integrated GPUs, sometimes API versions are included.
| DirectX | no data | 12 |
| OpenGL | no data | 4.5 |
Peripherals
Specifications and connection of peripherals supported by Ryzen 5 8645HS and Core i9-14900T.
| PCIe version | 4.0 | 5.0 and 4.0 |
| PCI Express lanes | 20 | 16 |
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 | 14.46 | 25.44 |
| Integrated graphics card | 14.95 | 6.16 |
| Recency | 6 December 2023 | 8 January 2024 |
| Physical cores | 6 | 24 |
| Threads | 12 | 32 |
| Power consumption (TDP) | 45 Watt | 35 Watt |
Ryzen 5 8645HS has 142.7% faster integrated GPU.
i9-14900T, on the other hand, has a 75.9% higher aggregate performance score, an age advantage of 1 month, 300% more physical cores and 166.7% more threads, and 28.6% lower power consumption.
The Core i9-14900T is our recommended choice as it beats the Ryzen 5 8645HS in performance tests.
Be aware that Ryzen 5 8645HS is a notebook processor while Core i9-14900T is a desktop one.
Should you still have questions on choice between Ryzen 5 8645HS and Core i9-14900T, ask them in Comments section, and we shall answer.
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