Opteron 840 vs Atom D525
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3482 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Server |
| Series | Intel Atom | no data |
| Power efficiency | 0.75 | no data |
| Designer | Intel | AMD |
| Manufacturer | Intel | no data |
| Architecture codename | Pinetrail (2009−2011) | SledgeHammer (2003−2005) |
| Release date | 21 June 2010 (15 years ago) | September 2003 (22 years ago) |
| Launch price (MSRP) | $63 | no data |
Detailed specifications
Basic parameters of Atom D525 and Opteron 840: number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.
| Physical cores | 2 (Dual-core) | 1 (Single-Core) |
| Threads | 4 | 1 |
| Base clock speed | 1.8 GHz | no data |
| Boost clock speed | 1.83 GHz | 1.4 GHz |
| L1 cache | 64K (per core) | 128 KB |
| L2 cache | 512K (per core) | 1 MB |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 45 nm | 130 nm |
| Die size | 66 mm2 | 193 mm2 |
| Maximum core temperature | 100 °C | no data |
| Number of transistors | 176 million | 106 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Atom D525 and Opteron 840 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.
| Number of CPUs in a configuration | 1 | 1 |
| Socket | FCBGA559 | 940 |
| Power consumption (TDP) | 13 Watt | 85 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Atom D525 and Opteron 840. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE2, Intel® SSE3, Intel® SSSE3 | no data |
| Enhanced SpeedStep (EIST) | - | no data |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | + | no data |
| Idle States | - | no data |
| Demand Based Switching | - | no data |
| PAE | 32 Bit | no data |
Security technologies
Atom D525 and Opteron 840 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | no data |
| EDB | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Atom D525 and Opteron 840 are enumerated here.
| VT-d | - | no data |
| VT-x | - | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Atom D525 and Opteron 840. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR2, DDR3 | no data |
| Maximum memory size | 4 GB | no data |
| Max memory channels | 1 | no data |
| Maximum memory bandwidth | 6.4 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel GMA 3150 | no data |
Pros & cons summary
| Physical cores | 2 | 1 |
| Threads | 4 | 1 |
| Chip lithography | 45 nm | 130 nm |
| Power consumption (TDP) | 13 Watt | 85 Watt |
Atom D525 has 100% more physical cores and 300% more threads, a 189% more advanced lithography process, and 554% lower power consumption.
We couldn't decide between Intel Atom D525 and AMD Opteron 840. We've got no test results to judge.
Be aware that Atom D525 is a notebook processor while Opteron 840 is a server/workstation one.
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