EPYC Embedded 3255 vs Ryzen 7 7840S
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 661 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Server |
| Series | Phoenix (Zen 4, Ryzen 7040) | AMD EPYC Embedded |
| Power efficiency | 16.05 | no data |
| Designer | AMD | AMD |
| Manufacturer | no data | GlobalFoundries |
| Architecture codename | Phoenix-HS (Zen 4) (2023) | Zen (2017−2020) |
| Release date | 5 January 2023 (3 years ago) | 21 February 2018 (8 years ago) |
Detailed specifications
Ryzen 7 7840S and EPYC Embedded 3255 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 | 2.5 GHz |
| Boost clock speed | 5.1 GHz | 3.1 GHz |
| Multiplier | no data | 25 |
| L1 cache | 512 KB | 96K (per core) |
| L2 cache | 8 MB | 512K (per core) |
| L3 cache | 16 MB | 16 MB (shared) |
| Chip lithography | 4 nm | 14 nm |
| Die size | 178 mm2 | 213 mm2 |
| Maximum core temperature | 100 °C | no data |
| Number of transistors | no data | 4,800 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | - |
Compatibility
Information on Ryzen 7 7840S and EPYC Embedded 3255 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 SP4r2 |
| Power consumption (TDP) | 35 Watt | 55 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 7 7840S and EPYC Embedded 3255. 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 | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 7 7840S and EPYC Embedded 3255 are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 7 7840S and EPYC Embedded 3255. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | DDR4-2666 |
| Maximum memory size | no data | 512 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 42.671 GB/s |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon 780M ( - 2700 MHz) | no data |
Peripherals
Specifications and connection of peripherals supported by Ryzen 7 7840S and EPYC Embedded 3255.
| PCIe version | no data | 3.0 |
| PCI Express lanes | no data | 32 |
Pros & cons summary
| Recency | 5 January 2023 | 21 February 2018 |
| Chip lithography | 4 nm | 14 nm |
| Power consumption (TDP) | 35 Watt | 55 Watt |
Ryzen 7 7840S has an age advantage of 4 years, a 250% more advanced lithography process, and 57.1% lower power consumption.
We couldn't decide between AMD Ryzen 7 7840S and AMD EPYC Embedded 3255. We've got no test results to judge.
Be aware that Ryzen 7 7840S is a notebook processor while EPYC Embedded 3255 is a server/workstation one.
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