Intel Atom D525 vs Intel Pentium D 840
Comparative analysis of Intel Atom D525 and Intel Pentium D 840 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 D525
- CPU is newer: launch date 5 year(s) 1 month(s) later
- Around 43% higher maximum core temperature: 100°C vs 69.8°C
- A newer manufacturing process allows for a more powerful, yet cooler running processor: 45 nm vs 90 nm
- 4x more L1 cache, more data can be stored in the L1 cache for quick access later
- 10x lower typical power consumption: 13 Watt vs 130 Watt
Launch date | 21 June 2010 vs May 2005 |
Maximum core temperature | 100°C vs 69.8°C |
Manufacturing process technology | 45 nm vs 90 nm |
L1 cache | 112 KB vs 28 KB |
Thermal Design Power (TDP) | 13 Watt vs 130 Watt |
Reasons to consider the Intel Pentium D 840
- Around 78% higher clock speed: 3.2 GHz vs 1.8 GHz
- 2x more L2 cache, more data can be stored in the L2 cache for quick access later
- 2.1x better performance in Geekbench 4 - Single Core: 186 vs 90
- Around 25% better performance in Geekbench 4 - Multi-Core: 309 vs 247
Specifications (specs) | |
Maximum frequency | 3.2 GHz vs 1.8 GHz |
L2 cache | 2048 KB vs 1024 KB |
Max number of CPUs in a configuration | 2 vs 1 |
Benchmarks | |
Geekbench 4 - Single Core | 186 vs 90 |
Geekbench 4 - Multi-Core | 309 vs 247 |
Compare benchmarks
CPU 1: Intel Atom D525
CPU 2: Intel Pentium D 840
Geekbench 4 - Single Core |
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Geekbench 4 - Multi-Core |
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Name | Intel Atom D525 | Intel Pentium D 840 |
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PassMark - Single thread mark | 304 | |
PassMark - CPU mark | 402 | |
Geekbench 4 - Single Core | 90 | 186 |
Geekbench 4 - Multi-Core | 247 | 309 |
Compare specifications (specs)
Intel Atom D525 | Intel Pentium D 840 | |
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Essentials |
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Architecture codename | Pineview | Smithfield |
Launch date | 21 June 2010 | May 2005 |
Launch price (MSRP) | $63 | |
Place in performance rating | 3286 | 3288 |
Processor Number | D525 | 840 |
Series | Legacy Intel Atom® Processors | Legacy Intel® Pentium® Processor |
Status | Discontinued | Discontinued |
Vertical segment | Desktop | Desktop |
Performance |
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64 bit support | ||
Base frequency | 1.80 GHz | 3.20 GHz |
Bus Speed | 2.5 GT/s DMI | 800 MHz FSB |
Die size | 87 mm2 | 206 mm2 |
L1 cache | 112 KB | 28 KB |
L2 cache | 1024 KB | 2048 KB |
Manufacturing process technology | 45 nm | 90 nm |
Maximum core temperature | 100°C | 69.8°C |
Maximum frequency | 1.8 GHz | 3.2 GHz |
Number of cores | 2 | 2 |
Number of threads | 4 | |
Transistor count | 176 million | 230 million |
VID voltage range | 0.800V-1.175V | 1.200V-1.400V |
Memory |
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Max memory channels | 1 | |
Maximum memory bandwidth | 6.4 GB/s | |
Maximum memory size | 4 GB | |
Supported memory types | DDR3 800 (SODIMM only); DDR2 667/800 | DDR1, DDR2, DDR3 |
Graphics |
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Processor graphics | Integrated | |
Compatibility |
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Low Halogen Options Available | ||
Max number of CPUs in a configuration | 1 | 2 |
Package Size | 22mm x 22mm | 37.5mm x 37.5mm |
Sockets supported | FCBGA559 | PLGA775 |
Thermal Design Power (TDP) | 13 Watt | 130 Watt |
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 | ||
Idle States | ||
Instruction set extensions | Intel® SSE2, Intel® SSE3, Intel® SSSE3 | |
Intel 64 | ||
Intel® AES New Instructions | ||
Intel® Demand Based Switching | ||
Intel® Hyper-Threading technology | ||
Intel® Turbo Boost technology | ||
Physical Address Extensions (PAE) | 32-bit | 32-bit |
Thermal Monitoring | ||
FSB parity | ||
Virtualization |
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Intel® Virtualization Technology (VT-x) | ||
Intel® Virtualization Technology for Directed I/O (VT-d) |