Ryzen 4700S vs Ryzen 7 7840S
Primary details
Comparing Ryzen 7 7840S and Ryzen 4700S processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 465 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | Phoenix (Zen 4, Ryzen 7040) | no data |
| Power efficiency | 40.59 | no data |
| Architecture codename | Phoenix-HS (Zen 4) (2023) | Cardinal (2021) |
| Release date | 5 January 2023 (1 year ago) | 26 June 2021 (3 years ago) |
| Launch price (MSRP) | no data | $399 |
Detailed specifications
Ryzen 7 7840S and Ryzen 4700S 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) | 8 (Octa-Core) |
| Threads | 16 | 16 |
| Base clock speed | 3.8 GHz | 3.6 GHz |
| Boost clock speed | 5.1 GHz | 4 GHz |
| L1 cache | 512 KB | 64 KB (per core) |
| L2 cache | 8 MB | 512 KB (per core) |
| L3 cache | 16 MB | 8 MB (shared) |
| Chip lithography | 4 nm | 7 nm |
| Die size | 178 mm2 | 308 mm2 |
| Maximum core temperature | 100 °C | no data |
| Maximum case temperature (TCase) | no data | 100 °C |
| Number of transistors | no data | 10,600 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
Compatibility
Information on Ryzen 7 7840S and Ryzen 4700S 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 |
| Socket | FP7/FP7r2/FP8 | AMD BGA 2197 |
| Power consumption (TDP) | 35 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 7 7840S and Ryzen 4700S. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Ryzen AI, 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 | no data |
| AES-NI | + | + |
| FMA | + | - |
| AVX | + | + |
| Precision Boost 2 | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 7 7840S and Ryzen 4700S. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | unknown Depends on motherboard |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon 780M ( - 2700 MHz) | N/A |
Peripherals
Specifications and connection of peripherals supported by Ryzen 7 7840S and Ryzen 4700S.
| PCIe version | no data | 2.0 |
| PCI Express lanes | no data | 4 |
Pros & cons summary
| Recency | 5 January 2023 | 26 June 2021 |
| Chip lithography | 4 nm | 7 nm |
| Power consumption (TDP) | 35 Watt | 65 Watt |
Ryzen 7 7840S has an age advantage of 1 year, a 75% more advanced lithography process, and 85.7% lower power consumption.
We couldn't decide between Ryzen 7 7840S and Ryzen 4700S. We've got no test results to judge.
Be aware that Ryzen 7 7840S is a notebook processor while Ryzen 4700S is a desktop one.
Should you still have questions on choice between Ryzen 7 7840S and Ryzen 4700S, ask them in Comments section, and we shall answer.
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