Pentium Gold 6405U vs Celeron N4000
Aggregate performance score
Pentium Gold 6405U outperforms Celeron N4000 by an impressive 88% based on our aggregate benchmark results.
Primary details
Comparing Celeron N4000 and Pentium Gold 6405U processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2506 | 2025 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Celeron | Intel Comet Lake |
| Power efficiency | 14.59 | 10.94 |
| Architecture codename | Goldmont Plus (2017) | Comet Lake-U (2019−2020) |
| Release date | 11 December 2017 (6 years ago) | 31 October 2019 (5 years ago) |
| Launch price (MSRP) | $107 | $161 |
Detailed specifications
Celeron N4000 and Pentium Gold 6405U 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 | 1.1 GHz | 2.4 GHz |
| Boost clock speed | 2.6 GHz | 2.4 GHz |
| Bus rate | no data | 4 GT/s |
| Multiplier | 11 | no data |
| L1 cache | 112 KB | 256 KB |
| L2 cache | 4 MB | 1 MB |
| L3 cache | 4 MB | 2 MB |
| Chip lithography | 14 nm | 14 nm |
| Maximum core temperature | 105 deg C | 100 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | + | + |
Compatibility
Information on Celeron N4000 and Pentium Gold 6405U 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 (Uniprocessor) | 1 |
| Socket | FCBGA1090 | FCBGA1528 |
| Power consumption (TDP) | 6 Watt | 15 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Celeron N4000 and Pentium Gold 6405U. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.2 | Intel® SSE4.1, Intel® SSE4.2 |
| AES-NI | + | + |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | - | + |
| Turbo Boost Technology | - | - |
| Hyper-Threading Technology | - | + |
| Idle States | + | + |
| Thermal Monitoring | + | + |
| Flex Memory Access | no data | + |
| Smart Response | - | no data |
| GPIO | + | no data |
| Turbo Boost Max 3.0 | - | no data |
Security technologies
Celeron N4000 and Pentium Gold 6405U technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | - |
| EDB | + | + |
| Secure Key | + | + |
| MPX | + | - |
| Identity Protection | + | + |
| SGX | Yes with Intel® ME | Yes with Intel® ME |
| OS Guard | + | + |
| Anti-Theft | - | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Celeron N4000 and Pentium Gold 6405U are enumerated here.
| AMD-V | - | + |
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Celeron N4000 and Pentium Gold 6405U. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR4 |
| Maximum memory size | 8 GB | 64 GB |
| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | 38.397 GB/s | 37.5 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel UHD Graphics 600 | Intel® UHD Graphics for 10th Gen Intel® Processors |
| Max video memory | 8 GB | 32 GB |
| Quick Sync Video | + | + |
| Clear Video | no data | + |
| Clear Video HD | no data | + |
| Graphics max frequency | 650 MHz | 950 MHz |
| Execution Units | 12 | no data |
Graphics interfaces
Available interfaces and connections of Celeron N4000 and Pentium Gold 6405U integrated GPUs.
| Number of displays supported | 3 | 3 |
| eDP | + | + |
| DisplayPort | + | + |
| HDMI | + | + |
| DVI | no data | + |
| MIPI-DSI | + | no data |
Graphics image quality
Maximum display resolutions supported by Celeron N4000 and Pentium Gold 6405U integrated GPUs, including resolutions over different interfaces.
| 4K resolution support | + | + |
| 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 Celeron N4000 and Pentium Gold 6405U integrated GPUs, sometimes API versions are included.
| DirectX | 12 | 12 |
| OpenGL | 4.4 | 4.5 |
Peripherals
Specifications and connection of peripherals supported by Celeron N4000 and Pentium Gold 6405U.
| PCIe version | 2.0 | 2.0 |
| PCI Express lanes | 6 | 12 |
| USB revision | 2.0/3.0 | no data |
| Total number of SATA ports | 2 | no data |
| Max number of SATA 6 Gb/s Ports | 2 | no data |
| Number of USB ports | 8 | no data |
| Integrated LAN | - | no data |
| UART | + | no data |
Pros & cons summary
| Performance score | 0.96 | 1.80 |
| Recency | 11 December 2017 | 31 October 2019 |
| Threads | 2 | 4 |
| Power consumption (TDP) | 6 Watt | 15 Watt |
Celeron N4000 has 150% lower power consumption.
Pentium Gold 6405U, on the other hand, has a 87.5% higher aggregate performance score, an age advantage of 1 year, and 100% more threads.
The Pentium Gold 6405U is our recommended choice as it beats the Celeron N4000 in performance tests.
Should you still have questions on choice between Celeron N4000 and Pentium Gold 6405U, ask them in Comments section, and we shall answer.
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