Pentium Gold 6405U vs Atom C3708
Primary details
Comparing Atom C3708 and Pentium Gold 6405U processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 2050 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Laptop |
| Series | Intel Atom | Intel Comet Lake |
| Power efficiency | no data | 10.85 |
| Architecture codename | Goldmont (2016−2017) | Comet Lake-U (2019−2020) |
| Release date | 15 August 2017 (7 years ago) | 31 October 2019 (5 years ago) |
| Launch price (MSRP) | $209 | $161 |
Detailed specifications
Atom C3708 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 | 8 (Octa-Core) | 2 (Dual-core) |
| Threads | 8 | 4 |
| Base clock speed | 1.7 GHz | 2.4 GHz |
| Boost clock speed | 1.7 GHz | 2.4 GHz |
| Bus rate | no data | 4 GT/s |
| Multiplier | 17 | no data |
| L1 cache | 448 KB | 256 KB |
| L2 cache | 16 MB | 1 MB |
| L3 cache | 16 MB | 2 MB |
| Chip lithography | 14 nm | 14 nm |
| Maximum core temperature | 85 °C | 100 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
Compatibility
Information on Atom C3708 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 | FCBGA1310 | FCBGA1528 |
| Power consumption (TDP) | 17 Watt | 15 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Atom C3708 and Pentium Gold 6405U. 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 | + | + |
| Enhanced SpeedStep (EIST) | + | + |
| QuickAssist | + | no data |
| Speed Shift | no data | + |
| Turbo Boost Technology | - | - |
| Hyper-Threading Technology | - | + |
| Idle States | no data | + |
| Thermal Monitoring | - | + |
| Flex Memory Access | no data | + |
Security technologies
Atom C3708 and Pentium Gold 6405U technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | - |
| EDB | + | + |
| Secure Boot | + | no data |
| Secure Key | + | + |
| Identity Protection | - | + |
| SGX | - | Yes with Intel® ME |
| OS Guard | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Atom C3708 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 Atom C3708 and Pentium Gold 6405U. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4: 2133 | DDR4 |
| Maximum memory size | 256 GB | 64 GB |
| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | 34.134 GB/s | 37.5 GB/s |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel UHD Graphics for 10th Gen Intel Processors |
| Max video memory | no data | 32 GB |
| Quick Sync Video | - | + |
| Clear Video | no data | + |
| Clear Video HD | no data | + |
| Graphics max frequency | no data | 950 MHz |
Graphics interfaces
Available interfaces and connections of Atom C3708 and Pentium Gold 6405U 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 Atom C3708 and Pentium Gold 6405U 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 Atom C3708 and Pentium Gold 6405U integrated GPUs, sometimes API versions are included.
| DirectX | no data | 12 |
| OpenGL | no data | 4.5 |
Peripherals
Specifications and connection of peripherals supported by Atom C3708 and Pentium Gold 6405U.
| PCIe version | 3 | 2.0 |
| PCI Express lanes | 16 | 12 |
| USB revision | 3 | no data |
| Total number of SATA ports | 16 | no data |
| Max number of SATA 6 Gb/s Ports | 16 | no data |
| Number of USB ports | 8 | no data |
| Integrated LAN | 4x10/2.5/1 GBE | no data |
Pros & cons summary
| Recency | 15 August 2017 | 31 October 2019 |
| Physical cores | 8 | 2 |
| Threads | 8 | 4 |
| Power consumption (TDP) | 17 Watt | 15 Watt |
Atom C3708 has 300% more physical cores and 100% more threads.
Pentium Gold 6405U, on the other hand, has an age advantage of 2 years, and 13.3% lower power consumption.
We couldn't decide between Atom C3708 and Pentium Gold 6405U. We've got no test results to judge.
Be aware that Atom C3708 is a server/workstation processor while Pentium Gold 6405U is a notebook one.
Should you still have questions on choice between Atom C3708 and Pentium Gold 6405U, ask them in Comments section, and we shall answer.
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