Ryzen 9 7840HX vs Ryzen 7 5800X3D
Primary details
Comparing Ryzen 7 5800X3D and Ryzen 9 7840HX processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 334 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 29.36 | no data |
| Market segment | Desktop processor | Laptop |
| Series | AMD Ryzen 7 | AMD Dragon Range (Zen 4, Ryzen 7045) |
| Power efficiency | 16.06 | no data |
| Architecture codename | Vermeer (Zen3) (2020−2022) | Dragon Range-HX (Zen 4) (2023−2024) |
| Release date | 20 April 2022 (2 years ago) | 17 January 2024 (less than a year ago) |
| Launch price (MSRP) | $449 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Ryzen 7 5800X3D 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 | 8 (Octa-Core) | 12 (Dodeca-Core) |
| Threads | 16 | 24 |
| Base clock speed | 3.4 GHz | 2.9 GHz |
| Boost clock speed | 4.5 GHz | 5.1 GHz |
| L1 cache | 512 KB | 768 KB |
| L2 cache | 4 MB | 12 MB |
| L3 cache | 96 MB (shared) | 64 MB |
| Chip lithography | 7 nm, 12 nm | 5 nm |
| Die size | 74 + 125 mm | no data |
| Maximum core temperature | 90 °C | 100 °C |
| Maximum case temperature (TCase) | 90 °C | no data |
| Number of transistors | no data | 9900 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
Compatibility
Information on Ryzen 7 5800X3D 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 | no data |
| Socket | AM4 | FL1 |
| Power consumption (TDP) | 105 Watt | 55 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 7 5800X3D and Ryzen 9 7840HX. You'll probably need this information if you require some particular technology.
| Instruction set extensions | 86x MMX(+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A,-64, AMD-V, AES, AVX, AVX2, FMA3, SHA, Precision Boost 2 | 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 | + | + |
| Precision Boost 2 | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 7 5800X3D and Ryzen 9 7840HX are enumerated here.
| AMD-V | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 7 5800X3D and Ryzen 9 7840HX. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-3200 | DDR5 |
| Maximum memory size | 128 GB | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | AMD Radeon 610M |
Peripherals
Specifications and connection of peripherals supported by Ryzen 7 5800X3D and Ryzen 9 7840HX.
| PCIe version | 4.0 | no data |
| PCI Express lanes | 20 | no data |
Pros & cons summary
| Recency | 20 April 2022 | 17 January 2024 |
| Physical cores | 8 | 12 |
| Threads | 16 | 24 |
| Chip lithography | 7 nm | 5 nm |
| Power consumption (TDP) | 105 Watt | 55 Watt |
Ryzen 9 7840HX has an age advantage of 1 year, 50% more physical cores and 50% more threads, a 40% more advanced lithography process, and 90.9% lower power consumption.
We couldn't decide between Ryzen 7 5800X3D and Ryzen 9 7840HX. We've got no test results to judge.
Note that Ryzen 7 5800X3D is a desktop processor while Ryzen 9 7840HX is a notebook one.
Should you still have questions on choice between Ryzen 7 5800X3D and Ryzen 9 7840HX, ask them in Comments section, and we shall answer.
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