Celeron 3865U vs Pentium Dual T3400
Aggregate performance score
Celeron 3865U outperforms Pentium Dual Core T3400 by a whopping 103% based on our aggregate benchmark results.
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3246 | 2834 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 0.08 |
| Market segment | Laptop | Laptop |
| Series | Intel Pentium Dual Core | Intel Celeron |
| Power efficiency | 0.46 | 2.17 |
| Designer | Intel | Intel |
| Manufacturer | no data | Intel |
| Architecture codename | Merom (2006−2008) | Kaby Lake-U (2017) |
| Release date | 1 October 2008 (17 years ago) | 3 January 2017 (8 years ago) |
| Launch price (MSRP) | no data | $107 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Pentium Dual Core T3400 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 | no data | 1.8 GHz |
| Boost clock speed | 2.16 GHz | 1.8 GHz |
| Bus type | no data | OPI |
| Bus rate | 667 MHz | 4 GT/s |
| Multiplier | no data | 22 |
| L1 cache | no data | 64K (per core) |
| L2 cache | 1 MB | 256K (per core) |
| L3 cache | no data | 2 MB (shared) |
| Chip lithography | 65 nm | 14 nm |
| Die size | 143 mm2 | 98.7 mm2 |
| Maximum core temperature | no data | 100 °C |
| Number of transistors | 291 Million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Pentium Dual Core T3400 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 | no data | 1 (Uniprocessor) |
| Socket | PPGA478 | FCBGA1356,FPBGA1356 |
| Power consumption (TDP) | 35 Watt | 15 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium Dual Core T3400 and Celeron 3865U. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.1, Intel® SSE4.2 |
| AES-NI | - | + |
| AVX | - | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Speed Shift | no data | + |
| My WiFi | no data | + |
| Turbo Boost Technology | no data | - |
| Hyper-Threading Technology | no data | + |
| Idle States | no data | + |
| Thermal Monitoring | - | + |
| Flex Memory Access | no data | + |
| Smart Response | no data | + |
Security technologies
Pentium Dual Core T3400 and Celeron 3865U technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | - |
| EDB | no data | + |
| MPX | - | + |
| SGX | no data | Yes with Intel® ME |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Pentium Dual Core T3400 and Celeron 3865U are enumerated here.
| AMD-V | - | + |
| VT-d | no data | + |
| VT-x | no data | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium Dual Core T3400 and Celeron 3865U. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR3, DDR4 |
| Maximum memory size | no data | 32 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 34.134 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel HD Graphics 610 |
| Max video memory | no data | 32 GB |
| Quick Sync Video | - | + |
| Clear Video | no data | + |
| Clear Video HD | no data | + |
| Graphics max frequency | no data | 900 MHz |
Graphics interfaces
Available interfaces and connections of Pentium Dual Core T3400 and Celeron 3865U integrated GPUs.
| Number of displays supported | no data | 3 |
| eDP | no data | + |
| DisplayPort | - | + |
| HDMI | - | + |
| DVI | no data | + |
Graphics image quality
Maximum display resolutions supported by Pentium Dual Core T3400 and Celeron 3865U 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 |
Graphics API support
APIs supported by Pentium Dual Core T3400 and Celeron 3865U 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 Dual Core T3400 and Celeron 3865U.
| PCIe version | no data | 2.0 |
| PCI Express lanes | no data | 10 |
Synthetic benchmarks
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.
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. Other than that, Passmark measures multi-core performance.
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.
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.
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.
Pros & cons summary
| Performance score | 0.38 | 0.77 |
| Recency | 1 October 2008 | 3 January 2017 |
| Chip lithography | 65 nm | 14 nm |
| Power consumption (TDP) | 35 Watt | 15 Watt |
Celeron 3865U has a 102.6% higher aggregate performance score, an age advantage of 8 years, a 364.3% more advanced lithography process, and 133.3% lower power consumption.
The Intel Celeron 3865U is our recommended choice as it beats the Intel Pentium Dual Core T3400 in performance tests.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
