Intel Atom Z515 vs Intel Celeron M 540
Comparative analysis of Intel Atom Z515 and Intel Celeron M 540 processors for all known characteristics in the following categories: Essentials, Performance, Compatibility, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark.
Differences
Reasons to consider the Intel Atom Z515
- CPU is newer: launch date 1 year(s) 6 month(s) later
- A newer manufacturing process allows for a more powerful, yet cooler running processor: 45 nm vs 65 nm
- 30x lower typical power consumption: 1.4 Watt vs 30 Watt
Launch date | April 2009 vs 1 October 2007 |
Manufacturing process technology | 45 nm vs 65 nm |
Thermal Design Power (TDP) | 1.4 Watt vs 30 Watt |
Reasons to consider the Intel Celeron M 540
- Around 55% higher clock speed: 1.86 GHz vs 1.2 GHz
- Around 11% higher maximum core temperature: 100°C vs 90°C
- 2x more L2 cache, more data can be stored in the L2 cache for quick access later
- 2.5x better performance in PassMark - CPU mark: 542 vs 218
Specifications (specs) | |
Maximum frequency | 1.86 GHz vs 1.2 GHz |
Maximum core temperature | 100°C vs 90°C |
L2 cache | 1 MB vs 512 KB (per core) |
Benchmarks | |
PassMark - CPU mark | 542 vs 218 |
Compare benchmarks
CPU 1: Intel Atom Z515
CPU 2: Intel Celeron M 540
PassMark - CPU mark |
|
|
Name | Intel Atom Z515 | Intel Celeron M 540 |
---|---|---|
PassMark - Single thread mark | 0 | 0 |
PassMark - CPU mark | 218 | 542 |
Compare specifications (specs)
Intel Atom Z515 | Intel Celeron M 540 | |
---|---|---|
Essentials |
||
Architecture codename | Silverthorne | Merom |
Launch date | April 2009 | 1 October 2007 |
Place in performance rating | 3336 | 3326 |
Processor Number | Z515 | 540 |
Series | Legacy Intel Atom® Processors | Legacy Intel® Celeron® Processor |
Status | Discontinued | Discontinued |
Vertical segment | Mobile | Mobile |
Performance |
||
Base frequency | 1.20 GHz | 1.86 GHz |
Bus Speed | 400 MHz FSB | 533 MHz FSB |
Die size | 26 mm2 | 143 mm2 |
L1 cache | 64 KB (per core) | |
L2 cache | 512 KB (per core) | 1 MB |
Manufacturing process technology | 45 nm | 65 nm |
Maximum core temperature | 90°C | 100°C |
Maximum frequency | 1.2 GHz | 1.86 GHz |
Number of cores | 1 | 1 |
Transistor count | 47 million | 291 million |
64 bit support | ||
Front-side bus (FSB) | 533 MHz | |
Number of threads | 1 | |
VID voltage range | 0.95V-1.30V | |
Compatibility |
||
Low Halogen Options Available | ||
Max number of CPUs in a configuration | 1 | |
Package Size | 13mm x 14mm | 35mm x 35mm |
Sockets supported | PBGA441 | PPGA478 |
Thermal Design Power (TDP) | 1.4 Watt | 30 Watt |
Security & Reliability |
||
Execute Disable Bit (EDB) | ||
Intel® Trusted Execution technology (TXT) | ||
Advanced Technologies |
||
Enhanced Intel SpeedStep® technology | ||
FSB parity | ||
Idle States | ||
Instruction set extensions | Intel® SSE2, Intel® SSE3, Intel® SSSE3 | |
Intel 64 | ||
Intel® Demand Based Switching | ||
Intel® Hyper-Threading technology | ||
Intel® Turbo Boost technology | ||
Thermal Monitoring | ||
Virtualization |
||
Intel® Virtualization Technology (VT-x) | ||
Intel® Virtualization Technology for Directed I/O (VT-d) |