Intel Atom E645CT vs Intel Pentium E5800
Comparative analysis of Intel Atom E645CT and Intel Pentium E5800 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Compatibility, Peripherals, Advanced Technologies, Virtualization, Security & Reliability. 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).
Differences
Reasons to consider the Intel Atom E645CT
- 9.3x lower typical power consumption: 7 Watt vs 65 Watt
Thermal Design Power (TDP) | 7 Watt vs 65 Watt |
Reasons to consider the Intel Pentium E5800
- 1 more cores, run more applications at once: 2 vs 1
- Around 220% higher clock speed: 3.2 GHz vs 1 GHz
- 2x more L1 cache, more data can be stored in the L1 cache for quick access later
- 4x more L2 cache, more data can be stored in the L2 cache for quick access later
Number of cores | 2 vs 1 |
Maximum frequency | 3.2 GHz vs 1 GHz |
L1 cache | 64 KB (per core) vs 64 KB (per core) |
L2 cache | 2048 KB (shared) vs 512 KB (per core) |
Compare benchmarks
CPU 1: Intel Atom E645CT
CPU 2: Intel Pentium E5800
Name | Intel Atom E645CT | Intel Pentium E5800 |
---|---|---|
PassMark - Single thread mark | 1271 | |
PassMark - CPU mark | 1164 | |
Geekbench 4 - Single Core | 382 | |
Geekbench 4 - Multi-Core | 648 | |
CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 0.389 | |
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 10.444 | |
CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.09 | |
CompuBench 1.5 Desktop - Video Composition (Frames/s) | 0.556 | |
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 2.573 |
Compare specifications (specs)
Intel Atom E645CT | Intel Pentium E5800 | |
---|---|---|
Essentials |
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Architecture codename | Stellarton | Wolfdale |
Launch date | November 2010 | November 2010 |
Place in performance rating | not rated | 3073 |
Processor Number | E645CT | E5800 |
Series | Legacy Intel Atom® Processors | Legacy Intel® Pentium® Processor |
Status | Discontinued | Discontinued |
Vertical segment | Embedded | Desktop |
Launch price (MSRP) | $68 | |
Price now | $29.99 | |
Value for money (0-100) | 18.63 | |
Performance |
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Base frequency | 1.00 GHz | 3.20 GHz |
Bus Speed | 2.5 GT/s PCIE | 800 MHz FSB |
Die size | 26 mm | 82 mm2 |
L1 cache | 64 KB (per core) | 64 KB (per core) |
L2 cache | 512 KB (per core) | 2048 KB (shared) |
Manufacturing process technology | 45 nm | 45 nm |
Maximum frequency | 1 GHz | 3.2 GHz |
Number of cores | 1 | 2 |
Number of threads | 2 | |
Transistor count | 47 million | 228 million |
64 bit support | ||
Maximum core temperature | 74.1°C | |
VID voltage range | 0.8500V-1.3625V | |
Memory |
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Max memory channels | 1 | |
Maximum memory size | 2.93 GB | |
Supported memory types | DDR2 800 | DDR1, DDR2, DDR3 |
Graphics |
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Graphics base frequency | 320 MHz | |
Processor graphics | Integrated | |
Compatibility |
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Low Halogen Options Available | ||
Max number of CPUs in a configuration | 1 | 1 |
Package Size | 37.5mm x 37.5mm | 37.5mm x 37.5mm |
Sockets supported | FCBGA1466 | LGA775 |
Thermal Design Power (TDP) | 7 Watt | 65 Watt |
Peripherals |
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Max number of PCIe lanes | 2 | |
PCIe configurations | x1, root complex only | |
Advanced Technologies |
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Enhanced Intel SpeedStep® technology | ||
Intel® Hyper-Threading technology | ||
Intel® Turbo Boost technology | ||
Idle States | ||
Intel 64 | ||
Intel® AES New Instructions | ||
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) | ||
Security & Reliability |
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Execute Disable Bit (EDB) | ||
Intel® Trusted Execution technology (TXT) |