i7-8670 vs Ryzen 9 9955HX
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 116 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | AMD Dragon Range (Zen 4, Ryzen 7045) | Intel Core i7 |
| Power efficiency | 62.53 | no data |
| Designer | AMD | Intel |
| Manufacturer | no data | Intel |
| Architecture codename | Fire Range-HX (Zen 5) (2025) | Coffee Lake (2017−2019) |
| Release date | 6 January 2025 (less than a year ago) | 1 January 2018 (7 years ago) |
Detailed specifications
Ryzen 9 9955HX and Core i7-8670 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 | 16 (Hexadeca-Core) | 6 (Hexa-Core) |
| Threads | 32 | 12 |
| Base clock speed | no data | 3.1 GHz |
| Boost clock speed | 5.4 GHz | 4.4 GHz |
| Bus type | no data | DMI 3.0 |
| Bus rate | no data | 4 × 8 GT/s |
| L1 cache | 1.3 MB | 384 KB |
| L2 cache | 16 MB | 1.5 MB |
| L3 cache | 64 MB | 12 MB (shared) |
| Chip lithography | no data | 14 nm |
| Die size | no data | 149 mm2 |
| Maximum case temperature (TCase) | no data | 72 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | no data | - |
Compatibility
Information on Ryzen 9 9955HX and Core i7-8670 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 | no data | 1 (Uniprocessor) |
| Socket | no data | 1151 |
| Power consumption (TDP) | 55 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 9 9955HX and Core i7-8670. You'll probably need this information if you require some particular technology.
| AES-NI | - | + |
| AVX | - | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | no data | + |
| TSX | - | + |
| SIPP | - | + |
Security technologies
Ryzen 9 9955HX and Core i7-8670 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 9955HX and Core i7-8670 are enumerated here.
| VT-d | no data | + |
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 9 9955HX and Core i7-8670. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR4 Dual-channel |
| Maximum memory size | no data | 64 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 42.671 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon 610M ( - 2200 MHz) | Intel UHD Graphics 630 |
Peripherals
Specifications and connection of peripherals supported by Ryzen 9 9955HX and Core i7-8670.
| PCIe version | no data | 3.0 |
Pros & cons summary
| Integrated graphics card | 2.70 | 2.91 |
| Recency | 6 January 2025 | 1 January 2018 |
| Physical cores | 16 | 6 |
| Threads | 32 | 12 |
| Power consumption (TDP) | 55 Watt | 65 Watt |
Ryzen 9 9955HX has an age advantage of 7 years, 166.7% more physical cores and 166.7% more threads, and 18.2% lower power consumption.
i7-8670, on the other hand, has 7.8% faster integrated GPU.
We couldn't decide between AMD Ryzen 9 9955HX and Intel Core i7-8670. We've got no test results to judge.
Be aware that Ryzen 9 9955HX is a notebook processor while Core i7-8670 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.
