AMD Ryzen 9 7840HX: specs and benchmarks
Summary
AMD started Ryzen 9 7840HX sales 17 January 2024. This is a Dragon Range-HX (Zen 4) architecture notebook processor primarily aimed at home systems. It has 12 cores and 24 threads, and is based on 5 nm manufacturing technology, with a maximum frequency of 5100 MHz and a locked multiplier.
Compatibility-wise, this is FL1 processor with a TDP of 55 Watt. It supports DDR5 memory.
Primary details
Ryzen 9 7840HX processor market type (desktop or notebook), architecture, sales start time and pricing.
| Place in the ranking | not rated | |
| Place by popularity | not in top-100 | |
| Market segment | Laptop | |
| Series | AMD Dragon Range (Zen 4, Ryzen 7045) | |
| Architecture codename | Dragon Range-HX (Zen 4) (2023−2024) | |
| Release date | 17 January 2024 (less than a year ago) |
Detailed specifications
Basic microprocessor parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters can generally indicate CPU performance, but to be more precise you have to review its test results.
| Physical cores | 12 (Dodeca-Core) | |
| Threads | 24 | |
| Base clock speed | 2.9 GHz | of 4.7 GHz (Ryzen 9 7900X) |
| Boost clock speed | 5.1 GHz | of 6.2 GHz (Core i9-14900KS) |
| L1 cache | 768 KB | of 80 KB (EPYC 9965) |
| L2 cache | 12 MB | of 2 MB (Xeon 6980P) |
| L3 cache | 64 MB | of 1152 MB (EPYC 9684X) |
| Chip lithography | 5 nm | of 3 nm (Core Ultra 9 285K) |
| Maximum core temperature | 100 °C | of 110 °C (Core Ultra 9 185H) |
| Number of transistors | 9900 Million | of 135,240 million (EPYC 9684X) |
| 64 bit support | + |
Compatibility
Information on Ryzen 9 7840HX compatibility with other computer components and devices: 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.
| Socket | FL1 | |
| Power consumption (TDP) | 55 Watt | of 3100 ‑ 4500 (Ryzen 7 7435H) |
Technologies and extensions
Technological capabilities and additional instructions supported by Ryzen 9 7840HX. You'll probably need this information if you require some particular technology.
| Instruction set extensions | 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 | + |
Memory specs
Types, maximum amount and channel number of RAM supported by Ryzen 9 7840HX's memory controller. Depending on the motherboard, higher memory frequency may be supported.
| Supported memory types | DDR5 |
Graphics specifications
General parameters of a GPU integrated into Ryzen 9 7840HX.
| Integrated graphics card | AMD Radeon 610M |
Similar processors
Here is our recommendation of several processors that are more or less close in performance to the one reviewed.
Recommended GPUs
People consider these graphics cards to be good for Ryzen 9 7840HX, according to our PC configuration statistics.
These are the fastest graphics cards for Ryzen 9 7840HX in our user configuration statistics. There is a total of 10 configurations using Ryzen 9 7840HX in our database.
