Intel Atom N455 vs Intel Atom Z520
Comparative analysis of Intel Atom N455 and Intel Atom Z520 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Compatibility, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.
Differences
Reasons to consider the Intel Atom N455
- CPU is newer: launch date 2 year(s) 0 month(s) later
- Around 25% higher clock speed: 1.66 GHz vs 1.33 GHz
- Around 11% higher maximum core temperature: 100°C vs 90°C
- Around 77% better performance in PassMark - Single thread mark: 268 vs 151
- Around 61% better performance in PassMark - CPU mark: 196 vs 122
Specifications (specs) | |
Launch date | 1 May 2010 vs April 2008 |
Maximum frequency | 1.66 GHz vs 1.33 GHz |
Maximum core temperature | 100°C vs 90°C |
Benchmarks | |
PassMark - Single thread mark | 268 vs 151 |
PassMark - CPU mark | 196 vs 122 |
Reasons to consider the Intel Atom Z520
- 3.5x lower typical power consumption: 2 Watt vs 6.5 Watt
Thermal Design Power (TDP) | 2 Watt vs 6.5 Watt |
Compare benchmarks
CPU 1: Intel Atom N455
CPU 2: Intel Atom Z520
PassMark - Single thread mark |
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PassMark - CPU mark |
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Name | Intel Atom N455 | Intel Atom Z520 |
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PassMark - Single thread mark | 268 | 151 |
PassMark - CPU mark | 196 | 122 |
Geekbench 4 - Single Core | 62 | |
Geekbench 4 - Multi-Core | 94 |
Compare specifications (specs)
Intel Atom N455 | Intel Atom Z520 | |
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Essentials |
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Architecture codename | Pineview | Silverthorne |
Launch date | 1 May 2010 | April 2008 |
Launch price (MSRP) | $64 | |
Place in performance rating | 3301 | 3306 |
Processor Number | N455 | Z520 |
Series | Legacy Intel Atom® Processors | Legacy Intel Atom® Processors |
Status | Discontinued | Discontinued |
Vertical segment | Mobile | Mobile |
Performance |
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64 bit support | ||
Base frequency | 1.66 GHz | 1.33 GHz |
Bus Speed | 2.5 GT/s DMI | 533 MHz FSB |
Die size | 66 mm2 | 26 mm2 |
Front-side bus (FSB) | 533 MHz | |
L1 cache | 64 KB (per core) | 64 KB (per core) |
L2 cache | 512 KB | 512 KB (per core) |
Manufacturing process technology | 45 nm | 45 nm |
Maximum core temperature | 100°C | 90°C |
Maximum frequency | 1.66 GHz | 1.33 GHz |
Number of cores | 1 | 1 |
Number of threads | 2 | |
Transistor count | 123 million | 47 million |
VID voltage range | 0.75-1.1V | |
Memory |
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Max memory channels | 1 | |
Maximum memory size | 2 GB | |
Supported memory types | DDR2/3 | |
Graphics |
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Graphics base frequency | 200 MHz | |
Processor graphics | Integrated | |
Compatibility |
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Low Halogen Options Available | ||
Max number of CPUs in a configuration | 1 | 1 |
Package Size | 22mm x 22mm | 13mm x 14mm |
Sockets supported | FCBGA559 | PBGA441 |
Thermal Design Power (TDP) | 6.5 Watt | 2 Watt |
Scenario Design Power (SDP) | 0.96 W | |
Security & Reliability |
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Execute Disable Bit (EDB) | ||
Intel® Trusted Execution technology (TXT) | ||
Advanced Technologies |
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Enhanced Intel SpeedStep® technology | ||
Instruction set extensions | Intel® SSE2, Intel® SSE3, Intel® SSSE3 | Intel® SSE2, Intel® SSE3, Intel® SSSE3 |
Intel 64 | ||
Intel® Demand Based Switching | ||
Intel® Hyper-Threading technology | ||
Intel® Turbo Boost technology | ||
Thermal Monitoring | ||
FSB parity | ||
Idle States | ||
Virtualization |
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Intel® Virtualization Technology (VT-x) | ||
Intel® Virtualization Technology for Directed I/O (VT-d) |