Pentium 2127U vs Pentium 3805U
Aggregate performance score
Pentium 3805U outperforms Pentium 2127U by a moderate 10% based on our aggregate benchmark results.
Primary details
Comparing Pentium 3805U and Pentium 2127U processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2661 | 2732 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Pentium | Intel Pentium |
| Power efficiency | 4.67 | 3.73 |
| Architecture codename | Broadwell-U (2015) | Ivy Bridge (2012−2013) |
| Release date | 1 March 2015 (9 years ago) | 1 July 2013 (11 years ago) |
| Launch price (MSRP) | $161 | $134 |
Detailed specifications
Pentium 3805U and Pentium 2127U 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 | 1.9 GHz | 1.9 GHz |
| Boost clock speed | 1.9 GHz | 1.9 GHz |
| Bus rate | 5 GT/s | 5 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 | 14 nm | 22 nm |
| Die size | 82 mm2 | no data |
| Maximum core temperature | 105 °C | 105 °C |
| Maximum case temperature (TCase) | 105 °C | no data |
| Number of transistors | 1300 Million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Pentium 3805U and Pentium 2127U 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 | FCBGA1023 |
| Power consumption (TDP) | 15 Watt | 17 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium 3805U and Pentium 2127U. 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 |
| Enhanced SpeedStep (EIST) | + | + |
| My WiFi | no data | + |
| Turbo Boost Technology | - | - |
| Hyper-Threading Technology | - | - |
| Idle States | + | + |
| Thermal Monitoring | + | + |
| Flex Memory Access | + | + |
| Smart Response | - | no data |
| Demand Based Switching | no data | - |
| FDI | + | + |
| Fast Memory Access | + | + |
Security technologies
Pentium 3805U and Pentium 2127U technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | - |
| EDB | + | + |
| Secure Key | + | no data |
| Identity Protection | + | - |
| OS Guard | - | no data |
| Anti-Theft | no data | - |
Virtualization technologies
Virtual machine speed-up technologies supported by Pentium 3805U and Pentium 2127U are enumerated here.
| AMD-V | + | - |
| VT-d | + | - |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium 3805U and Pentium 2127U. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR3 |
| Maximum memory size | 16 GB | 32 GB |
| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | 25.6 GB/s | 25.6 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel® HD Graphics for 5th Generation Intel® Processors | Intel® HD Graphics for 3rd Generation Intel® Processors |
| Quick Sync Video | + | - |
| Clear Video | + | - |
| Clear Video HD | - | - |
| Graphics max frequency | 800 MHz | 1.1 GHz |
| InTru 3D | + | - |
Graphics interfaces
Available interfaces and connections of Pentium 3805U and Pentium 2127U integrated GPUs.
| Number of displays supported | 3 | 3 |
| eDP | + | + |
| DisplayPort | + | + |
| HDMI | + | + |
| SDVO | no data | + |
| CRT | no data | + |
Graphics API support
APIs supported by Pentium 3805U and Pentium 2127U integrated GPUs, sometimes API versions are included.
| DirectX | 11.2/12 | no data |
Peripherals
Specifications and connection of peripherals supported by Pentium 3805U and Pentium 2127U.
| PCIe version | 2.0 | 2.0 |
| PCI Express lanes | 12 | 16 |
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.
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.
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.
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.
Cinebench 11.5 64-bit multi-core
Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.
Pros & cons summary
| Performance score | 0.74 | 0.67 |
| Recency | 1 March 2015 | 1 July 2013 |
| Chip lithography | 14 nm | 22 nm |
| Power consumption (TDP) | 15 Watt | 17 Watt |
Pentium 3805U has a 10.4% higher aggregate performance score, an age advantage of 1 year, a 57.1% more advanced lithography process, and 13.3% lower power consumption.
The Pentium 3805U is our recommended choice as it beats the Pentium 2127U in performance tests.
Should you still have questions on choice between Pentium 3805U and Pentium 2127U, ask them in Comments section, and we shall answer.
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