Pentium Gold G6405 vs Pentium Gold 6405U
Aggregate performance score
Pentium Gold G6405 outperforms Pentium Gold 6405U by an impressive 54% based on our aggregate benchmark results.
Primary details
Comparing Pentium Gold 6405U and Pentium Gold G6405 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2030 | 1707 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | Intel Comet Lake | no data |
| Power efficiency | 10.91 | 4.36 |
| Architecture codename | Comet Lake-U (2019−2020) | Comet Lake-R (2021) |
| Release date | 31 October 2019 (5 years ago) | 16 March 2021 (3 years ago) |
| Launch price (MSRP) | $161 | $64 |
Detailed specifications
Pentium Gold 6405U and Pentium Gold G6405 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 | 4 | 4 |
| Base clock speed | 2.4 GHz | 4.1 GHz |
| Boost clock speed | 2.4 GHz | 4.1 GHz |
| Bus rate | 4 GT/s | 8 GT/s |
| L1 cache | 256 KB | 64 KB (per core) |
| L2 cache | 1 MB | 256 KB (per core) |
| L3 cache | 2 MB | 4 MB (shared) |
| Chip lithography | 14 nm | 14 nm |
| Maximum core temperature | 100 °C | 100 °C |
| Maximum case temperature (TCase) | no data | 72 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | + | + |
Compatibility
Information on Pentium Gold 6405U and Pentium Gold G6405 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 | FCBGA1528 | FCLGA1200 |
| Power consumption (TDP) | 15 Watt | 15 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium Gold 6405U and Pentium Gold G6405. 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 | - | + |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | + | no data |
| Turbo Boost Technology | - | - |
| Hyper-Threading Technology | + | + |
| Idle States | + | + |
| Thermal Monitoring | + | + |
| Flex Memory Access | + | no data |
| Turbo Boost Max 3.0 | no data | - |
Security technologies
Pentium Gold 6405U and Pentium Gold G6405 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | + |
| EDB | + | + |
| Secure Key | + | + |
| Identity Protection | + | + |
| SGX | Yes with Intel® ME | Yes with Intel® ME |
| OS Guard | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Pentium Gold 6405U and Pentium Gold G6405 are enumerated here.
| AMD-V | + | - |
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium Gold 6405U and Pentium Gold G6405. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR4-2666 |
| Maximum memory size | 64 GB | 128 GB |
| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | 37.5 GB/s | 41.6 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel® UHD Graphics for 10th Gen Intel® Processors | Intel UHD Graphics 610 |
| Max video memory | 32 GB | 64 GB |
| Quick Sync Video | + | + |
| Clear Video | + | + |
| Clear Video HD | + | + |
| Graphics max frequency | 950 MHz | 1.05 GHz |
| InTru 3D | no data | + |
Graphics interfaces
Available interfaces and connections of Pentium Gold 6405U and Pentium Gold G6405 integrated GPUs.
| Number of displays supported | 3 | 3 |
| eDP | + | no data |
| DisplayPort | + | - |
| HDMI | + | - |
| DVI | + | no data |
Graphics image quality
Maximum display resolutions supported by Pentium Gold 6405U and Pentium Gold G6405 integrated GPUs, including resolutions over different interfaces.
| 4K resolution support | + | + |
| Max resolution over HDMI 1.4 | 4096x2304@24Hz | 4096x2160@30Hz |
| Max resolution over eDP | 4096x2304@60Hz | 4096x2304@60Hz |
| Max resolution over DisplayPort | 4096x2304@60Hz | 4096x2304@60Hz |
Graphics API support
APIs supported by Pentium Gold 6405U and Pentium Gold G6405 integrated GPUs, sometimes API versions are included.
| DirectX | 12 | 12 |
| OpenGL | 4.5 | 4.5 |
Peripherals
Specifications and connection of peripherals supported by Pentium Gold 6405U and Pentium Gold G6405.
| PCIe version | 2.0 | 3.0 |
| PCI Express lanes | 12 | 16 |
Pros & cons summary
| Performance score | 1.73 | 2.67 |
| Recency | 31 October 2019 | 16 March 2021 |
Pentium Gold G6405 has a 54.3% higher aggregate performance score, and an age advantage of 1 year.
The Pentium Gold G6405 is our recommended choice as it beats the Pentium Gold 6405U in performance tests.
Be aware that Pentium Gold 6405U is a notebook processor while Pentium Gold G6405 is a desktop one.
Should you still have questions on choice between Pentium Gold 6405U and Pentium Gold G6405, ask them in Comments section, and we shall answer.
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