Ryzen 9 7840HX vs i7-7800X
Primary details
Comparing Core i7-7800X and Ryzen 9 7840HX processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 924 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 3.23 | no data |
| Market segment | Desktop processor | Laptop |
| Series | Intel Core i7 | AMD Dragon Range (Zen 4, Ryzen 7045) |
| Power efficiency | 5.48 | no data |
| Architecture codename | Skylake (server) (2017−2018) | Dragon Range-HX (Zen 4) (2023−2024) |
| Release date | 26 June 2017 (7 years ago) | 17 January 2024 (less than a year ago) |
| Launch price (MSRP) | $383 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core i7-7800X and Ryzen 9 7840HX 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) | 12 (Dodeca-Core) |
| Threads | 12 | 24 |
| Base clock speed | 3.5 GHz | 2.9 GHz |
| Boost clock speed | 4 GHz | 5.1 GHz |
| Bus type | DMI 3.0 | no data |
| Bus rate | 4 × 8 GT/s | no data |
| Multiplier | 35 | no data |
| L1 cache | 64 KB (per core) | 768 KB |
| L2 cache | 1 MB (per core) | 12 MB |
| L3 cache | 8.25 MB (shared) | 64 MB |
| Chip lithography | 14 nm | 5 nm |
| Maximum core temperature | 100 °C | 100 °C |
| Maximum case temperature (TCase) | 72 °C | no data |
| Number of transistors | no data | 9900 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
| Unlocked multiplier | + | - |
Compatibility
Information on Core i7-7800X and Ryzen 9 7840HX 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) | no data |
| Socket | FCLGA2066 | FL1 |
| Power consumption (TDP) | 140 Watt | 55 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-7800X and Ryzen 9 7840HX. 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 | MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, AVX-512, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME |
| AES-NI | + | + |
| FMA | - | + |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | + | no data |
| TSX | + | - |
Security technologies
Core i7-7800X and Ryzen 9 7840HX technologies aimed at improving security, for example, by protecting against hacks.
| EDB | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i7-7800X and Ryzen 9 7840HX are enumerated here.
| VT-d | + | no data |
| VT-x | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i7-7800X and Ryzen 9 7840HX. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-2400 | 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 | AMD Radeon 610M |
Peripherals
Specifications and connection of peripherals supported by Core i7-7800X and Ryzen 9 7840HX.
| PCIe version | 3.0 | no data |
| PCI Express lanes | 28 | no data |
Pros & cons summary
| Recency | 26 June 2017 | 17 January 2024 |
| Physical cores | 6 | 12 |
| Threads | 12 | 24 |
| Chip lithography | 14 nm | 5 nm |
| Power consumption (TDP) | 140 Watt | 55 Watt |
Ryzen 9 7840HX has an age advantage of 6 years, 100% more physical cores and 100% more threads, a 180% more advanced lithography process, and 154.5% lower power consumption.
We couldn't decide between Core i7-7800X and Ryzen 9 7840HX. We've got no test results to judge.
Note that Core i7-7800X is a desktop processor while Ryzen 9 7840HX is a notebook one.
Should you still have questions on choice between Core i7-7800X and Ryzen 9 7840HX, ask them in Comments section, and we shall answer.
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