Celeron 3865U vs G1840T
Aggregate performance score
Celeron G1840T outperforms Celeron 3865U by a moderate 19% based on our aggregate benchmark results.
Primary details
Comparing Celeron G1840T and Celeron 3865U processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2461 | 2580 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Series | no data | Intel Celeron |
| Power efficiency | 1.74 | 5.24 |
| Architecture codename | Haswell (2013−2015) | Kaby Lake-U (2017) |
| Release date | 1 May 2014 (10 years ago) | 3 January 2017 (7 years ago) |
| Launch price (MSRP) | no data | $107 |
Detailed specifications
Celeron G1840T and Celeron 3865U 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 | 2.5 GHz | 1.8 GHz |
| Boost clock speed | 2.5 GHz | 1.8 GHz |
| Bus type | no data | OPI |
| Bus rate | 5 GT/s | 4 GT/s |
| Multiplier | no data | 22 |
| L1 cache | 64 KB (per core) | 64K (per core) |
| L2 cache | 256 KB (per core) | 256K (per core) |
| L3 cache | 3 MB (shared) | 2 MB (shared) |
| Chip lithography | 22 nm | 14 nm |
| Die size | 177 mm2 | 98.7 mm2 |
| Maximum core temperature | no data | 100 °C |
| Maximum case temperature (TCase) | 72 °C | no data |
| Number of transistors | 1,400 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Celeron G1840T and Celeron 3865U 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 (Uniprocessor) |
| Socket | FCLGA1150 | FCBGA1356,FPBGA1356 |
| Power consumption (TDP) | 35 Watt | 15 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Celeron G1840T and Celeron 3865U. 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 | - | + |
| AVX | - | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | no data | + |
| My WiFi | no data | + |
| Turbo Boost Technology | - | - |
| Hyper-Threading Technology | - | + |
| Idle States | + | + |
| Thermal Monitoring | + | + |
| Flex Memory Access | no data | + |
| Smart Response | no data | + |
Security technologies
Celeron G1840T and Celeron 3865U technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | - |
| EDB | + | + |
| Secure Key | + | + |
| MPX | - | + |
| SGX | no data | Yes with Intel® ME |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Celeron G1840T and Celeron 3865U are enumerated here.
| AMD-V | - | + |
| VT-d | - | + |
| VT-x | + | + |
| VT-i | - | no data |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Celeron G1840T and Celeron 3865U. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR3, DDR4 |
| Maximum memory size | 32 GB | 32 GB |
| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | 21.3 GB/s | 34.134 GB/s |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card Compare | Intel HD Graphics for 4th Generation Intel Processors | Intel HD Graphics 610 |
| Max video memory | 1.7 GB | 32 GB |
| Quick Sync Video | + | + |
| Clear Video | no data | + |
| Clear Video HD | + | + |
| Graphics max frequency | 1.05 GHz | 900 MHz |
Graphics interfaces
Available interfaces and connections of Celeron G1840T and Celeron 3865U integrated GPUs.
| Number of displays supported | 3 | 3 |
| eDP | + | + |
| DisplayPort | + | + |
| HDMI | + | + |
| DVI | + | + |
| VGA | + | no data |
Graphics image quality
Maximum display resolutions supported by Celeron G1840T and Celeron 3865U integrated GPUs, including resolutions over different interfaces.
| 4K resolution support | no data | + |
| Max resolution over HDMI 1.4 | 1920x1080@60Hz | 4096x2304@24Hz |
| Max resolution over eDP | 2560x1600@60Hz | 4096x2304@60Hz |
| Max resolution over DisplayPort | 2560x1600@60Hz | 4096x2304@60Hz |
| Max resolution over VGA | 1920x1200@60Hz | no data |
Graphics API support
APIs supported by Celeron G1840T and Celeron 3865U integrated GPUs, sometimes API versions are included.
| DirectX | 11.1/12 | 12 |
| OpenGL | 4.3 | 4.4 |
Peripherals
Specifications and connection of peripherals supported by Celeron G1840T and Celeron 3865U.
| PCIe version | Up to 3.0 | 2.0 |
| PCI Express lanes | 16 | 10 |
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.
Pros & cons summary
| Performance score | 0.99 | 0.83 |
| Integrated graphics card | 0.77 | 1.85 |
| Recency | 1 May 2014 | 3 January 2017 |
| Chip lithography | 22 nm | 14 nm |
| Power consumption (TDP) | 35 Watt | 15 Watt |
Celeron G1840T has a 19.3% higher aggregate performance score.
Celeron 3865U, on the other hand, has 140.3% faster integrated GPU, an age advantage of 2 years, a 57.1% more advanced lithography process, and 133.3% lower power consumption.
The Celeron G1840T is our recommended choice as it beats the Celeron 3865U in performance tests.
Note that Celeron G1840T is a desktop processor while Celeron 3865U is a notebook one.
Should you still have questions on choice between Celeron G1840T and Celeron 3865U, ask them in Comments section, and we shall answer.
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