Pentium Gold 5405U vs Atom Z500
Primary details
Comparing Atom Z500 and Pentium Gold 5405U processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 2145 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Atom | Intel Pentium, Pentium Gold |
| Power efficiency | no data | 9.36 |
| Architecture codename | Silverthorne (2008−2010) | Whiskey Lake-U (2018−2019) |
| Release date | 2 April 2008 (16 years ago) | 23 January 2019 (5 years ago) |
| Launch price (MSRP) | $45 | $161 |
Detailed specifications
Atom Z500 and Pentium Gold 5405U 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 | 1 (Single-Core) | 2 (Dual-core) |
| Threads | 1 | 4 |
| Base clock speed | no data | 2.3 GHz |
| Boost clock speed | 0.8 GHz | 2.3 GHz |
| Bus type | FSB | OPI |
| Bus rate | 400 MT/s | 4 GT/s |
| Multiplier | 8 | 23 |
| L1 cache | 56 KB | 64 KB (per core) |
| L2 cache | 512 KB | 256 KB (per core) |
| L3 cache | 0 KB | 2 MB (shared) |
| Chip lithography | 45 nm | 14 nm |
| Die size | 24.18 mm2 | no data |
| Maximum core temperature | 90 °C | 100 °C |
| Number of transistors | 47 Million | no data |
| 64 bit support | - | + |
| Windows 11 compatibility | - | + |
| VID voltage range | 0.80 -1.1V | no data |
Compatibility
Information on Atom Z500 and Pentium Gold 5405U 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 (Uniprocessor) |
| Socket | PBGA441 | FCBGA1528 |
| Power consumption (TDP) | 0.65 Watt | 15 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Atom Z500 and Pentium Gold 5405U. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE2, Intel® SSE3, Intel® SSSE3 | Intel® SSE4.1, Intel® SSE4.2 |
| AES-NI | - | + |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | no data | + |
| My WiFi | no data | + |
| Turbo Boost Technology | - | - |
| Hyper-Threading Technology | + | + |
| Idle States | + | + |
| Thermal Monitoring | + | + |
| Flex Memory Access | no data | + |
| Smart Response | no data | + |
| Demand Based Switching | + | no data |
| FSB parity | - | no data |
Security technologies
Atom Z500 and Pentium Gold 5405U technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | - |
| EDB | + | + |
| Secure Key | no data | + |
| Identity Protection | - | + |
| SGX | no data | Yes with Intel® ME |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Atom Z500 and Pentium Gold 5405U are enumerated here.
| VT-d | - | + |
| VT-x | - | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Atom Z500 and Pentium Gold 5405U. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR3, DDR4 |
| Maximum memory size | no data | 64 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 38.397 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | - | Intel® UHD Graphics for 8th Generation Intel® Processors |
| Max video memory | - | 32 GB |
| Quick Sync Video | - | + |
| Clear Video | - | + |
| Clear Video HD | - | + |
| Graphics max frequency | - | 950 MHz |
Graphics interfaces
Available interfaces and connections of Atom Z500 and Pentium Gold 5405U integrated GPUs.
| Number of displays supported | - | 3 |
| eDP | - | + |
| DisplayPort | - | + |
| HDMI | - | + |
| DVI | - | + |
Graphics image quality
Maximum display resolutions supported by Atom Z500 and Pentium Gold 5405U integrated GPUs, including resolutions over different interfaces.
| 4K resolution support | - | + |
| Max resolution over HDMI 1.4 | - | 4096x2304@24Hz |
| Max resolution over eDP | - | 4096x2304@60Hz |
| Max resolution over DisplayPort | - | 4096x2304@60Hz |
Graphics API support
APIs supported by Atom Z500 and Pentium Gold 5405U integrated GPUs, sometimes API versions are included.
| DirectX | - | 12 |
| OpenGL | - | 4.5 |
Peripherals
Specifications and connection of peripherals supported by Atom Z500 and Pentium Gold 5405U.
| PCIe version | no data | 2.0 |
| PCI Express lanes | no data | 12 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
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
| Recency | 2 April 2008 | 23 January 2019 |
| Physical cores | 1 | 2 |
| Threads | 1 | 4 |
| Chip lithography | 45 nm | 14 nm |
Pentium Gold 5405U has an age advantage of 10 years, 100% more physical cores and 300% more threads, and a 221.4% more advanced lithography process.
We couldn't decide between Atom Z500 and Pentium Gold 5405U. We've got no test results to judge.
Should you still have questions on choice between Atom Z500 and Pentium Gold 5405U, ask them in Comments section, and we shall answer.
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