Celeron 3855U vs Pentium 3556U
Aggregated performance score
Celeron 3855U outperforms Pentium 3556U by 22% based on our aggregated benchmark results.
General info
Comparing Pentium 3556U and Celeron 3855U processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 2588 | 2455 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Pentium | Intel Celeron |
| Architecture codename | Haswell (2013−2015) | Skylake (2015−2016) |
| Release date | 1 September 2013 (10 years ago) | 15 August 2015 (8 years ago) |
| Launch price (MSRP) | no data | $107 |
| Current price | no data | $315 (2.9x MSRP) |
Technical specs
Pentium 3556U and Celeron 3855U 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 | 1.6 GHz |
| Boost clock speed | 1.7 GHz | 1.6 GHz |
| Bus support | no data | 4 GT/s |
| L1 cache | 64K (per core) | 128 KB |
| L2 cache | 256K (per core) | 512 KB |
| L3 cache | 2 MB (shared) | 2 MB |
| Chip lithography | 22 nm | 14 nm |
| Die size | 118 mm2 | 98.57 mm210.3 mm × 9.57 mm |
| Maximum core temperature | 100 °C | 100 °C |
| Maximum case temperature (TCase) | 105 °C | no data |
| Number of transistors | 1,400 million | 1750 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | No | No |
Compatibility
Information on Pentium 3556U and Celeron 3855U 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 | FCBGA1356 |
| Power consumption (TDP) | 15 Watt | 15 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium 3556U and Celeron 3855U. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2 | Intel® SSE4.1, Intel® SSE4.2 |
| AES-NI | - | + |
| Enhanced SpeedStep (EIST) | + | + |
| My WiFi | no data | + |
| Turbo Boost Technology | - | - |
| Hyper-Threading Technology | - | - |
| TSX | - | - |
| Idle States | + | + |
| Thermal Monitoring | + | + |
| Flex Memory Access | no data | + |
| SIPP | - | - |
| Smart Response | - | + |
| GPIO | + | no data |
| Smart Connect | + | no data |
| FDI | - | no data |
| AMT | 9.5 | no data |
| Matrix Storage | - | no data |
| Status | Discontinued | Discontinued |
| HD Audio | + | no data |
| RST | + | no data |
Security technologies
Pentium 3556U and Celeron 3855U technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | - |
| EDB | + | + |
| Secure Key | + | + |
| MPX | no data | - |
| Identity Protection | - | + |
| SGX | no data | Yes with Intel® ME |
| OS Guard | - | - |
| Anti-Theft | - | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Pentium 3556U and Celeron 3855U are enumerated here.
| AMD-V | + | no data |
| VT-d | - | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium 3556U and Celeron 3855U. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR4-1866, DDR4-2133, LPDDR3-1600, LPDDR3-1866, DDR3L-1333, DDR3L-1600 |
| Maximum memory size | 16 GB | 32 GB |
| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | 25.6 GB/s | 34.1 GB/s |
| ECC memory support | - | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel® HD Graphics for 4th Generation Intel® Processors | Intel HD Graphics 510 |
| Max video memory | no data | 32 GB |
| Quick Sync Video | - | + |
| Clear Video | + | no data |
| Clear Video HD | - | + |
| Graphics max frequency | 1 GHz | 900 MHz |
Graphics interfaces
Available interfaces and connections of Pentium 3556U and Celeron 3855U integrated GPUs.
| Number of displays supported | 3 | 3 |
| eDP | + | + |
| DisplayPort | + | + |
| HDMI | + | + |
| DVI | no data | + |
Graphics image quality
Maximum display resolutions supported by Pentium 3556U and Celeron 3855U integrated GPUs, including resolutions over different interfaces.
| 4K resolution support | no data | + |
| Max resolution over HDMI 1.4 | no data | 4096x2304@24Hz |
| Max resolution over eDP | no data | 4096x2304@60Hz |
| Max resolution over DisplayPort | no data | 4096x2304@60Hz |
| Max resolution over VGA | no data | N/A |
Graphics API support
APIs supported by Pentium 3556U and Celeron 3855U integrated GPUs, sometimes API versions are included.
| DirectX | no data | 12 |
| OpenGL | no data | 4.4 |
Peripherals
Specifications and connection of peripherals supported by Pentium 3556U and Celeron 3855U.
| PCIe version | 2.0 | 2.0 |
| PCI Express lanes | 10 | 10 |
| 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 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
Celeron 3855U outperforms Pentium 3556U by 22% based on our aggregated benchmark results.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.
Benchmark coverage: 68%
Celeron 3855U outperforms Pentium 3556U by 21% in Passmark.
GeekBench 5 Single-Core
GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.
Benchmark coverage: 42%
Pentium 3556U outperforms Celeron 3855U by 5% in GeekBench 5 Single-Core.
GeekBench 5 Multi-Core
GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.
Benchmark coverage: 42%
Pentium 3556U outperforms Celeron 3855U by 1% in GeekBench 5 Multi-Core.
Advantages and disadvantages
| Performance score | 0.68 | 0.83 |
| Recency | 1 September 2013 | 15 August 2015 |
| Chip lithography | 22 nm | 14 nm |
The Celeron 3855U is our recommended choice as it beats the Pentium 3556U in performance tests.
Should you still have questions on choice between Pentium 3556U and Celeron 3855U, ask them in Comments section, and we shall answer.
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