Atom x5-Z8500 vs Pentium G640
Aggregate performance score
Pentium G640 outperforms Atom x5-Z8500 by a moderate 10% based on our aggregate benchmark results.
Primary details
Comparing Pentium G640 and Atom x5-Z8500 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 2527 | 2593 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.02 | no data |
| Market segment | Desktop processor | Laptop |
| Series | no data | 5x Intel Atom |
| Architecture codename | Sandy Bridge (2011−2013) | Cherry Trail (2015−2016) |
| Release date | 3 June 2012 (12 years ago) | 2 March 2015 (9 years ago) |
| Launch price (MSRP) | $179 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Pentium G640 and Atom x5-Z8500 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) | 4 (Quad-Core) |
| Threads | 2 | 4 |
| Base clock speed | 2.8 GHz | 1.44 GHz |
| Boost clock speed | 2.8 GHz | 2.24 GHz |
| Bus rate | 5 GT/s | no data |
| L1 cache | 64 KB (per core) | no data |
| L2 cache | 256 KB (per core) | 2 MB |
| L3 cache | 3 MB (shared) | 0 KB |
| Chip lithography | 32 nm | 14 nm |
| Die size | 131 mm2 | no data |
| Maximum core temperature | 69 °C | 90 °C |
| Number of transistors | 504 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Pentium G640 and Atom x5-Z8500 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 (Uniprocessor) |
| Socket | FCLGA1155 | UTFCBGA1380 |
| Power consumption (TDP) | 65 Watt | no data |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium G640 and Atom x5-Z8500. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2 | no data |
| AES-NI | + | + |
| AVX | + | - |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | - | no data |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| Flex Memory Access | + | no data |
| FDI | + | no data |
| Fast Memory Access | + | no data |
| Status | Discontinued | Discontinued |
Security technologies
Pentium G640 and Atom x5-Z8500 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | no data |
| EDB | + | no data |
| Secure Boot | no data | + |
| Identity Protection | - | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Pentium G640 and Atom x5-Z8500 are enumerated here.
| VT-d | - | no data |
| VT-x | + | + |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium G640 and Atom x5-Z8500. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR3 |
| Maximum memory size | 32 GB | 8 GB |
| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | 17 GB/s | 25.6 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel® HD Graphics for 2nd Generation Intel® Processors | Intel HD Graphics |
| Max video memory | no data | 8 GB |
| Graphics max frequency | 1.1 GHz | 600 MHz |
| Execution Units | no data | 12 |
Graphics interfaces
Available interfaces and connections of Pentium G640 and Atom x5-Z8500 integrated GPUs.
| Number of displays supported | 2 | 3 |
Graphics image quality
Maximum display resolutions supported by Pentium G640 and Atom x5-Z8500 integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | no data | 3840x2160 |
| Max resolution over eDP | no data | 2560x1600 |
Peripherals
Specifications and connection of peripherals supported by Pentium G640 and Atom x5-Z8500.
| PCIe version | 2.0 | 2.0 |
| PCI Express lanes | no data | 2 |
| USB revision | no data | 3.0 |
| Number of USB ports | no data | 3 |
Synthetic benchmark performance
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. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
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.
GeekBench 5 Single-Core
GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.
GeekBench 5 Multi-Core
GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.
Pros & cons summary
| Performance score | 0.88 | 0.80 |
| Recency | 3 June 2012 | 2 March 2015 |
| Physical cores | 2 | 4 |
| Threads | 2 | 4 |
| Chip lithography | 32 nm | 14 nm |
Pentium G640 has a 10% higher aggregate performance score.
Atom x5-Z8500, on the other hand, has an age advantage of 2 years, 100% more physical cores and 100% more threads, and a 128.6% more advanced lithography process.
Given the minimal performance differences, no clear winner can be declared between Pentium G640 and Atom x5-Z8500.
Note that Pentium G640 is a desktop processor while Atom x5-Z8500 is a notebook one.
Should you still have questions on choice between Pentium G640 and Atom x5-Z8500, ask them in Comments section, and we shall answer.
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