Atom D525 vs Celeron 3865U
Primary details
Comparing Celeron 3865U and Atom D525 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 2447 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Celeron | Intel Atom |
| Architecture codename | Kaby Lake-U | Pinetrail (2009−2010) |
| Release date | 3 January 2017 (7 years ago) | 21 June 2010 (13 years ago) |
| Launch price (MSRP) | $107 | $63 |
| Current price | $296 (2.8x MSRP) | $320 (5.1x MSRP) |
Detailed specifications
Celeron 3865U and Atom D525 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 | 4 |
| Base clock speed | 1.8 GHz | 1.8 GHz |
| Boost clock speed | 1.8 GHz | 1.83 GHz |
| L1 cache | 64K (per core) | 64K (per core) |
| L2 cache | 256K (per core) | 512K (per core) |
| L3 cache | 2 MB (shared) | 0 KB |
| Chip lithography | 14 nm | 45 nm |
| Die size | 98.7 mm2 | 66 mm2 |
| Maximum core temperature | 100 °C | 100 °C |
| Number of transistors | no data | 176 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | No | No |
Compatibility
Information on Celeron 3865U and Atom D525 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 | FCBGA1356,FPBGA1356 | FCBGA559 |
| Power consumption (TDP) | 15 Watt | 13 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Celeron 3865U and Atom D525. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2 | Intel® SSE2, Intel® SSE3, Intel® SSSE3 |
| AES-NI | + | - |
| AVX | + | no data |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | - |
| Speed Shift | + | no data |
| My WiFi | + | no data |
| Turbo Boost Technology | - | - |
| Hyper-Threading Technology | + | + |
| TSX | - | no data |
| Idle States | + | - |
| Thermal Monitoring | + | - |
| Flex Memory Access | + | no data |
| SIPP | - | no data |
| Smart Response | + | no data |
| Demand Based Switching | no data | - |
| PAE | no data | 32 Bit |
| Status | Discontinued | Discontinued |
Security technologies
Celeron 3865U and Atom D525 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | - |
| EDB | + | + |
| Secure Key | + | no data |
| MPX | + | no data |
| SGX | Yes with Intel® ME | no data |
| OS Guard | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Celeron 3865U and Atom D525 are enumerated here.
| AMD-V | + | no data |
| VT-d | + | - |
| VT-x | + | - |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Celeron 3865U and Atom D525. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3, DDR4 | DDR2, DDR3 |
| Maximum memory size | 32 GB | 4 GB |
| Max memory channels | 2 | 1 |
| Maximum memory bandwidth | 34.1 GB/s | 6.4 GB/s |
| ECC memory support | - | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card Compare | Intel HD Graphics 610 | Intel GMA 3150 |
| Max video memory | 32 GB | no data |
| Quick Sync Video | + | no data |
| Clear Video | + | no data |
| Clear Video HD | + | no data |
| Graphics max frequency | 900 MHz | no data |
Graphics interfaces
Available interfaces and connections of Celeron 3865U and Atom D525 integrated GPUs.
| Number of displays supported | 3 | no data |
| eDP | + | no data |
| DisplayPort | + | no data |
| HDMI | + | no data |
| DVI | + | no data |
Graphics image quality
Maximum display resolutions supported by Celeron 3865U and Atom D525 integrated GPUs, including resolutions over different interfaces.
| 4K resolution support | + | no data |
| Max resolution over HDMI 1.4 | 4096x2304@24Hz | no data |
| Max resolution over eDP | 4096x2304@60Hz | no data |
| Max resolution over DisplayPort | 4096x2304@60Hz | no data |
Graphics API support
APIs supported by Celeron 3865U and Atom D525 integrated GPUs, sometimes API versions are included.
| DirectX | 12 | no data |
| OpenGL | 4.4 | no data |
Peripherals
Specifications and connection of peripherals supported by Celeron 3865U and Atom D525.
| PCIe version | 2.0 | no data |
| PCI Express lanes | 10 | 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.
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 3865U outperforms Atom D525 by 229% 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%
Celeron 3865U outperforms Atom D525 by 416% 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%
Celeron 3865U outperforms Atom D525 by 258% in GeekBench 5 Multi-Core.
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%
Celeron 3865U outperforms Atom D525 by 368% in Cinebench 10 32-bit single-core.
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%
Celeron 3865U outperforms Atom D525 by 218% in Cinebench 10 32-bit multi-core.
wPrime 32
wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.
Benchmark coverage: 18%
Atom D525 outperforms Celeron 3865U by 40% in wPrime 32.
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%
Celeron 3865U outperforms Atom D525 by 191% in Cinebench 11.5 64-bit multi-core.
Pros & cons summary
| Integrated graphics card | 1.84 | |
| Recency | 3 January 2017 | 21 June 2010 |
| Threads | 2 | 4 |
| Cost | $107 | $63 |
| Chip lithography | 14 nm | 45 nm |
| Power consumption (TDP) | 15 Watt | 13 Watt |
We couldn't decide between Celeron 3865U and Atom D525. We've got no test results to judge.
Should you still have questions on choice between Celeron 3865U and Atom D525, ask them in Comments section, and we shall answer.
Similar processor comparisons
We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.
