A9-9400 SoC vs Pentium 3556U
Primary details
Comparing Pentium 3556U and A9-9400 SoC processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2749 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | Intel Pentium | no data |
| Power efficiency | 4.23 | no data |
| Architecture codename | Haswell (2013−2015) | Stoney Ridge (2016−2019) |
| Release date | 1 September 2013 (11 years ago) | 31 May 2016 (8 years ago) |
Detailed specifications
Pentium 3556U and A9-9400 SoC 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 | 2 (Dual-core) | 2 (Dual-core) |
| Threads | 2 | 2 |
| Base clock speed | 1.7 GHz | 2.4 GHz |
| Boost clock speed | 1.7 GHz | 3.2 GHz |
| Bus rate | 5 GT/s | no data |
| L1 cache | 64K (per core) | 160 KB |
| L2 cache | 256K (per core) | 1 MB (per core) |
| L3 cache | 2 MB (shared) | 0 KB |
| Chip lithography | 22 nm | 28 nm |
| Die size | 118 mm2 | 125 mm2 |
| Maximum core temperature | 100 °C | no data |
| Maximum case temperature (TCase) | 105 °C | 74 °C |
| Number of transistors | 1,400 million | 1,200 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Pentium 3556U and A9-9400 SoC 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 | 1 |
| Socket | FCBGA1168 | FT4 |
| Power consumption (TDP) | 15 Watt | 10 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium 3556U and A9-9400 SoC. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2 | no data |
| AES-NI | - | + |
| FMA | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | - | no data |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| Smart Response | - | no data |
| GPIO | + | no data |
| Smart Connect | + | no data |
| FDI | - | no data |
| AMT | 9.5 | no data |
| Matrix Storage | - | no data |
| HD Audio | + | no data |
| RST | + | no data |
Security technologies
Pentium 3556U and A9-9400 SoC technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | no data |
| EDB | + | no data |
| Secure Key | + | no data |
| OS Guard | - | no data |
| Anti-Theft | - | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Pentium 3556U and A9-9400 SoC are enumerated here.
| AMD-V | + | + |
| VT-d | - | no data |
| VT-x | + | no data |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium 3556U and A9-9400 SoC. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR4 |
| Maximum memory size | 16 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 25.6 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel HD Graphics for 4th Generation Intel Processors | Radeon R5 3CU |
| Clear Video | + | no data |
| Graphics max frequency | 1 GHz | no data |
Graphics interfaces
Available interfaces and connections of Pentium 3556U and A9-9400 SoC integrated GPUs.
| Number of displays supported | 3 | no data |
| eDP | + | no data |
| DisplayPort | + | - |
| HDMI | + | - |
Peripherals
Specifications and connection of peripherals supported by Pentium 3556U and A9-9400 SoC.
| PCIe version | 2.0 | 3.0 |
| PCI Express lanes | 10 | 8 |
| PCI support | - | no data |
| USB revision | 3.0 | no data |
| Total number of SATA ports | 2 | no data |
| Max number of SATA 6 Gb/s Ports | 2 | no data |
| Integrated IDE | - | no data |
| Number of USB ports | 4 | no data |
| Integrated LAN | - | no data |
| UART | + | no data |
Pros & cons summary
| Recency | 1 September 2013 | 31 May 2016 |
| Chip lithography | 22 nm | 28 nm |
| Power consumption (TDP) | 15 Watt | 10 Watt |
Pentium 3556U has a 27.3% more advanced lithography process.
A9-9400 SoC, on the other hand, has an age advantage of 2 years, and 50% lower power consumption.
We couldn't decide between Pentium 3556U and A9-9400 SoC. We've got no test results to judge.
Be aware that Pentium 3556U is a notebook processor while A9-9400 SoC is a desktop one.
Should you still have questions on choice between Pentium 3556U and A9-9400 SoC, ask them in Comments section, and we shall answer.
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