Intel Celeron N2840 vs Intel Atom N455
Comparative analysis of Intel Celeron N2840 and Intel Atom N455 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps).
Differences
Reasons to consider the Intel Celeron N2840
- CPU is newer: launch date 4 year(s) 0 month(s) later
- 1 more cores, run more applications at once: 2 vs 1
- Around 55% higher clock speed: 2.58 GHz vs 1.66 GHz
- A newer manufacturing process allows for a more powerful, yet cooler running processor: 22 nm vs 45 nm
- Around 75% more L1 cache; more data can be stored in the L1 cache for quick access later
- 2x more L2 cache, more data can be stored in the L2 cache for quick access later
- 4x more maximum memory size: 8 GB vs 2 GB
- 2.5x better performance in PassMark - Single thread mark: 670 vs 268
- 3x better performance in PassMark - CPU mark: 586 vs 196
- 3.3x better performance in Geekbench 4 - Single Core: 207 vs 62
- 3.9x better performance in Geekbench 4 - Multi-Core: 370 vs 94
| Specifications (specs) | |
| Launch date | 22 May 2014 vs 1 May 2010 |
| Number of cores | 2 vs 1 |
| Maximum frequency | 2.58 GHz vs 1.66 GHz |
| Manufacturing process technology | 22 nm vs 45 nm |
| L1 cache | 112 KB vs 64 KB (per core) |
| L2 cache | 1 MB vs 512 KB |
| Maximum memory size | 8 GB vs 2 GB |
| Benchmarks | |
| PassMark - Single thread mark | 670 vs 268 |
| PassMark - CPU mark | 586 vs 196 |
| Geekbench 4 - Single Core | 207 vs 62 |
| Geekbench 4 - Multi-Core | 370 vs 94 |
Reasons to consider the Intel Atom N455
- Around 14% lower typical power consumption: 6.5 Watt vs 7.5 Watt
| Thermal Design Power (TDP) | 6.5 Watt vs 7.5 Watt |
Compare benchmarks
CPU 1: Intel Celeron N2840
CPU 2: Intel Atom N455
| PassMark - Single thread mark |
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| PassMark - CPU mark |
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| Geekbench 4 - Single Core |
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| Geekbench 4 - Multi-Core |
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| Name | Intel Celeron N2840 | Intel Atom N455 |
|---|---|---|
| PassMark - Single thread mark | 670 | 268 |
| PassMark - CPU mark | 586 | 196 |
| Geekbench 4 - Single Core | 207 | 62 |
| Geekbench 4 - Multi-Core | 370 | 94 |
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 1.114 | |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 6.194 | |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.074 | |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 1.793 | |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 0.939 | |
| GFXBench 4.0 - T-Rex (Frames) | 1383 | |
| GFXBench 4.0 - T-Rex (Fps) | 1383 |
Compare specifications (specs)
| Intel Celeron N2840 | Intel Atom N455 | |
|---|---|---|
Essentials |
||
| Architecture codename | Bay Trail | Pineview |
| Launch date | 22 May 2014 | 1 May 2010 |
| Place in performance rating | 3121 | 3311 |
| Processor Number | N2840 | N455 |
| Series | Intel® Celeron® Processor N Series | Legacy Intel Atom® Processors |
| Status | Launched | Discontinued |
| Vertical segment | Mobile | Mobile |
| Launch price (MSRP) | $64 | |
Performance |
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| 64 bit support | ||
| Base frequency | 2.16 GHz | 1.66 GHz |
| L1 cache | 112 KB | 64 KB (per core) |
| L2 cache | 1 MB | 512 KB |
| Manufacturing process technology | 22 nm | 45 nm |
| Maximum core temperature | 100°C | 100°C |
| Maximum frequency | 2.58 GHz | 1.66 GHz |
| Number of cores | 2 | 1 |
| Number of threads | 2 | 2 |
| Bus Speed | 2.5 GT/s DMI | |
| Die size | 66 mm2 | |
| Front-side bus (FSB) | 533 MHz | |
| Transistor count | 123 million | |
Memory |
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| Max memory channels | 2 | 1 |
| Maximum memory bandwidth | 21.32 GB/s | |
| Maximum memory size | 8 GB | 2 GB |
| Supported memory types | DDR3L 1333 | DDR2/3 |
Graphics |
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| Graphics base frequency | 311 MHz | 200 MHz |
| Graphics max dynamic frequency | 792 MHz | |
| Graphics max frequency | 792 MHz | |
| Intel® Clear Video HD technology | ||
| Intel® InTru™ 3D technology | ||
| Intel® Quick Sync Video | ||
| Processor graphics | Intel HD Graphics | Integrated |
Graphics interfaces |
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| Number of displays supported | 2 | |
| Wireless Display (WiDi) support | ||
Compatibility |
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| Low Halogen Options Available | ||
| Max number of CPUs in a configuration | 1 | 1 |
| Package Size | 25mm x 27mm | 22mm x 22mm |
| Scenario Design Power (SDP) | 4.5 W | |
| Sockets supported | FCBGA1170 | FCBGA559 |
| Thermal Design Power (TDP) | 7.5 Watt | 6.5 Watt |
Peripherals |
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| Max number of PCIe lanes | 4 | |
| Number of USB ports | 5 | |
| PCI Express revision | 2.0 | |
| PCIe configurations | 1x4 | |
| Total number of SATA ports | 2 | |
| USB revision | 3.0 and 2.0 | |
Security & Reliability |
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| Anti-Theft technology | ||
| Execute Disable Bit (EDB) | ||
| Intel® Secure Key technology | ||
| Intel® Trusted Execution technology (TXT) | ||
Advanced Technologies |
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| Enhanced Intel SpeedStep® technology | ||
| Idle States | ||
| Intel 64 | ||
| Intel® AES New Instructions | ||
| Intel® Hyper-Threading technology | ||
| Intel® Turbo Boost technology | ||
| Intel® vPro™ Platform Eligibility | ||
| Smart Connect | ||
| Instruction set extensions | Intel® SSE2, Intel® SSE3, Intel® SSSE3 | |
| Intel® Demand Based Switching | ||
| Thermal Monitoring | ||
Virtualization |
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| Intel® Virtualization Technology (VT-x) | ||
| Intel® Virtualization Technology for Directed I/O (VT-d) | ||
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