Intel Celeron 3865U: specs and benchmarks
Aggregated performance score
Summary
Intel started Celeron 3865U sales 3 January 2017 at a recommended price of $107. This is a Kaby Lake-U architecture notebook processor primarily aimed at office systems. It has 2 cores and 2 threads, and is based on 14 nm manufacturing technology, with a maximum frequency of 1800 MHz and a locked multiplier.
Compatibility-wise, this is FCBGA1356,FPBGA1356 processor with a TDP of 15 Watt. It supports DDR3, DDR4, DDR3 memory.
It provides poor benchmark performance at 0.86% of a leader's which is AMD Ryzen Threadripper PRO 7995WX.
General info
Celeron 3865U processor market type (desktop or notebook), architecture, sales start time and pricing.
| Place in performance ranking | 2432 | |
| Place by popularity | not in top-100 | |
| Market segment | Laptop | |
| Series | Intel Celeron | |
| Architecture codename | Kaby Lake-U | |
| Release date | 3 January 2017 (7 years old) | |
| Launch price (MSRP) | $107 | of 305 (Core i7-870) |
| Current price | $296 (2.8x MSRP) | of 17802 (Threadripper PRO 7995WX) |
Technical specs
Basic microprocessor parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters can generally indicate CPU performance, but to be more precise you have to review its test results.
| Physical cores | 2 (Dual-core) | |
| Threads | 2 | |
| Base clock speed | 1.8 GHz | of 4.7 (FX-9590) |
| Boost clock speed | 1.8 GHz | of 6.2 (Core i9-14900KS) |
| L1 cache | 64K (per core) | of 7475.2 (Apple M2 Pro 10-Core) |
| L2 cache | 256K (per core) | of 98304 (Ryzen Threadripper PRO 7995WX) |
| L3 cache | 2 MB (shared) | of 768 (EPYC 7373X) |
| Chip lithography | 14 nm | of 3 (Apple M3 Max 16-Core) |
| Die size | 98.7 mm2 | |
| Maximum core temperature | 100 °C | of 110 (Atom x7-E3950) |
| 64 bit support | + | |
| Windows 11 compatibility | - | |
| Unlocked multiplier | No |
Compatibility
Information on Celeron 3865U compatibility with other computer components and devices: 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 | of 8 (Opteron 842) |
| Socket | FCBGA1356,FPBGA1356 | |
| Power consumption (TDP) | 15 Watt | of 400 (Xeon Platinum 9282) |
Technologies and extensions
Technological capabilities and additional instructions supported by Celeron 3865U. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2 | |
| AES-NI | + | |
| AVX | + | |
| vPro | + | |
| Enhanced SpeedStep (EIST) | + | |
| Speed Shift | + | |
| My WiFi | + | |
| Turbo Boost Technology | - | |
| Hyper-Threading Technology | + | |
| TSX | - | |
| Idle States | + | |
| Thermal Monitoring | + | |
| Flex Memory Access | + | |
| SIPP | - | |
| Smart Response | + | |
| Status | Discontinued |
Security technologies
Processor technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | |
| EDB | + | |
| Secure Key | + | |
| MPX | + | |
| SGX | Yes with Intel® ME | |
| OS Guard | + |
Virtualization technologies
Supported virtual machine optimization technologies. Some are specific to Intel only, some to AMD.
| AMD-V | + | |
| VT-d | + | |
| VT-x | + | |
| EPT | + |
Memory specs
Types, maximum amount and channel number of RAM supported by Celeron 3865U's memory controller. Depending on the motherboard, higher memory frequency may be supported.
| Supported memory types | DDR3, DDR4, DDR3 | |
| Maximum memory size | 32 GB | of 786 (Xeon E5-2670 v3) |
| Max memory channels | 2 | of 12 (Xeon Platinum 9221) |
| Maximum memory bandwidth | 34.1 GB/s | of 460.8 (EPYC 9124) |
| ECC memory support | - |
Graphics specifications
General parameters of a GPU integrated into Celeron 3865U.
| Integrated graphics card | Intel HD Graphics 610 | |
| Max video memory | 32 GB | |
| Quick Sync Video | + | |
| Clear Video | + | |
| Clear Video HD | + | |
| Graphics max frequency | 900 MHz |
Graphics interfaces
Available interfaces and connections of Celeron 3865U's integrated GPU.
| Number of displays supported | 3 | |
| eDP | + | |
| DisplayPort | + | |
| HDMI | + | |
| DVI | + |
Graphics image quality
Maximum display resolutions supported by Celeron 3865U's integrated GPU, including resolutions over different interfaces.
| 4K resolution support | + | |
| Max resolution over HDMI 1.4 | 4096x2304@24Hz | |
| Max resolution over eDP | 4096x2304@60Hz | |
| Max resolution over DisplayPort | 4096x2304@60Hz |
Graphics API support
APIs supported by Celeron 3865U's integrated GPU, sometimes API versions are included.
| DirectX | 12 | |
| OpenGL | 4.4 |
Peripherals
Specifications and connection types of supported peripherals.
| PCIe version | 2.0 | of 5 (Core i9-12900K) |
| PCI Express lanes | 10 | of 128 (EPYC 7551P) |
Benchmark performance
Single-core and multi-core benchmark results of Celeron 3865U. Overall benchmark performance 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.
Benchmark coverage: 68%
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%
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%
Cinebench 10 32-bit single-core
Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.
Benchmark coverage: 20%
Cinebench 10 32-bit multi-core
Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.
Benchmark coverage: 19%
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.
Benchmark coverage: 17%
Cinebench 15 64-bit multi-core
Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.
Benchmark coverage: 15%
Cinebench 15 64-bit single-core
Cinebench R15 (standing for Release 15) is a benchmark made by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version (sometimes called Single-Thread) only uses a single processor thread to render a room full of reflective spheres and light sources.
Benchmark coverage: 15%
Cinebench 11.5 64-bit single-core
Cinebench R11.5 is an old benchmark by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version loads a single thread with ray tracing to render a glossy room full of crystal spheres and light sources.
Benchmark coverage: 14%
TrueCrypt AES
TrueCrypt is a discontinued piece of software that was widely used for on-the-fly-encryption of disk partitions, now superseded by VeraCrypt. It contains several embedded performance tests, one of them being TrueCrypt AES, which measures data encryption speed using AES algorithm. Result is encryption speed in gigabytes per second.
Benchmark coverage: 13%
WinRAR 4.0
WinRAR 4.0 is an outdated version of a popular file archiver. It contains an internal speed test, using 'Best' setting of RAR compression on large chunks of randomly generated data. Its results are measured in kilobytes per second.
Benchmark coverage: 13%
x264 encoding pass 1
x264 version 4.0 is a video encoding benchmark uses MPEG 4 x264 compression method to compress a sample HD (720p) video. Pass 1 is a faster variant that produces a constant bit rate output file. Its result is measured in frames per second, which means how many frames of the source video file were encoded per second.
Benchmark coverage: 13%
x264 encoding pass 2
x264 Pass 2 is a slower variant of x264 video compression that produces a variable bit rate output file, which results in better quality since the higher bit rate is used when it is needed more. Benchmark result is still measured in frames per second.
Benchmark coverage: 13%
Geekbench 3 32-bit single-core
Benchmark coverage: 5%
Geekbench 3 32-bit multi-core
Benchmark coverage: 5%
Geekbench 2
Benchmark coverage: 5%
Geekbench 4.0 64-bit multi-core
Benchmark coverage: 2%
Geekbench 4.0 64-bit single-core
Benchmark coverage: 2%
Send your test results of Celeron 3865U.
Relative perfomance
Overall Celeron 3865U performance compared to nearest competitors among notebook CPUs.
AMD equivalent
According to our data, the closest AMD alternative to Celeron 3865U is Phenom II X3 P840, which is nearly equal in speed and lower by 1 position in our ranking.
Here are some closest AMD rivals to Celeron 3865U:
Similar processors
Here is our recommendation of several processors that are more or less close in performance to the one reviewed.
Recommended GPUs
People consider these graphics cards to be good for Celeron 3865U, according to our PC configuration statistics.
These are the fastest graphics cards for Celeron 3865U in our user configuration statistics. There is a total of 499 configurations based on Celeron 3865U in our database.
