AMD Duron 1100

Benchmark Performance

The AMD Duron 1100 occupies a curious position in the benchmark landscape. With an average benchmark score of zero and a percentile ranking of 50 against all CPUs, the data indicates a processor that sits at the dead midpoint of the performance distribution — though this figure is heavily skewed by the fact that no standardized benchmark submissions exist for this part in the database. The percentile placement suggests that in its operational context, it outperforms roughly half of all recorded CPUs, which is notable for a single-core, single-thread desktop processor from the early 2000s.

The absence of nearest rivals in the dataset means direct percentage comparisons cannot be derived from the FACT PACK. However, the architecture itself tells a story. Built on the K7 architecture with the Morgan core, this Duron runs at a base clock of 1100.00 MHz — the "1100" in its name is literal. With one core and one thread, the processor's performance ceiling is defined entirely by that single execution pipeline. The 128 KB of L1 cache and 64 KB of L2 cache are small by modern standards, but for the Duron line's intended segment, they provided sufficient headroom for the workloads of its era.

What the benchmark data cannot show — due to the empty benchmarks array — is how this chip scales under multithreaded loads. It does not. There is no boost clock, no additional cores, no simultaneous multithreading. Every workload is a single-thread affair. In single-threaded tasks, clock speed is king, and at 1100 MHz, this Duron would have been competitive within its immediate product stack. The 50th percentile ranking reinforces the interpretation that this was a mainstream part — neither a budget afterthought nor a performance flagship.

Power and Thermals

The thermal design point is a 50 W TDP. This is a modest figure that places the Duron 1100 in a class where a capable air cooler suffices. For context within the FACT PACK, there is no mention of cooler requirements beyond what the TDP implies, but 50 W is well within the range where a stock aluminum heatsink with a small fan — the kind that shipped with Socket A motherboards of that generation — would handle the load without issue. The 180 nm process node is coarse by contemporary standards, but the die size of 106 mm² with 25 million transistors means the power density is low enough that thermal management is straightforward.

For system builders of that era, the 50 W TDP meant no special power supply considerations. A standard ATX power supply from 2001 would deliver ample headroom. The lack of a boost clock also means the processor runs at a constant 1100 MHz under load, so thermal output is predictable and steady — no sudden spikes from frequency ramping. This predictability is an advantage for silent PC builds, as the cooling solution can be sized precisely to the sustained load rather than accounting for burst behavior.

The integrated graphics situation is unusual: the FACT PACK notes graphics are "on certain motherboards (Chipset feature)." This means the Duron 1100 itself has no integrated GPU, but some Socket A motherboards with specific chipsets provided video output. For those boards, the thermal burden of the graphics controller is separate from the CPU's 50 W envelope. Builders using boards without integrated graphics needed a discrete GPU, which adds its own thermal load — but that is external to the processor's TDP calculation.

Who Should Consider It

The Duron 1100 is end-of-life, so the consideration set is limited to vintage system builders, retro gaming enthusiasts, or those maintaining legacy industrial equipment. For single-threaded office productivity — word processing, spreadsheets, email clients — the 1100 MHz clock with 128 KB L1 cache is adequate for the software of its period. The 64 KB L2 cache is small, which means workloads that exceed that cache size will incur memory latency penalties, but for typical office documents of the early 2000s, this is a non-issue.

Gaming on the Duron 1100 depends entirely on the era of games. Titles from 2001-2003 that were optimized for single-core processors would run, provided the rest of the system (GPU, RAM, motherboard chipset) was matched appropriately. The 50th percentile ranking suggests it can handle roughly half of the software ecosystem that the database tracks, which for a processor of this vintage is a defensible position. Modern gaming is out of the question: modern titles expect multiple cores, larger caches, and instruction set extensions this chip lacks.

Content creation is not a realistic use case. Video editing, 3D rendering, and audio production software from the 2001-2003 window would run but with significant patience required. The single thread means no parallelization, and the 64 KB L2 cache will thrash on larger datasets. For anyone building a period-accurate retro PC, the Duron 1100 is a reasonable choice for DOS-era and early Windows XP games that are not CPU-intensive. For anything else, the data suggests looking elsewhere in the Socket A lineup.

FAQ

Q: Does the AMD Duron 1100 support ECC memory?

A: No. The FACT PACK explicitly lists ECC memory support as false.

Q: What socket does the Duron 1100 use?

A: It uses AMD Socket A, which was the standard AMD desktop socket for that generation.

Q: How much L2 cache does the Duron 1100 have?

A: It has 64 KB of L2 cache, alongside 128 KB of L1 cache. There is no L3 cache.

Q: Is the multiplier unlocked?

A: No, the multiplier is locked. The part number is DHD1100AMT1B.

Q: What is the process node and die size?

A: The process node is 180 nm, and the die size is 106 mm², containing 25 million transistors.

Q: When was the Duron 1100 released?

A: The release date is 2001-09-30. Its launch MSRP was $103.

How It Compares

The FACT PACK provides no nearest rivals for the Duron 1100, which means a direct numerical comparison against specific competing processors is not possible from the available data. What can be said is that within the broader CPU landscape, its 50th percentile ranking places it at the median. This is a meaningful statement: half of all CPUs in the database score higher, and half score lower. For a single-core, single-thread processor released in 2001, that median position reflects the fact that most CPUs in the database are from later generations with more cores and higher clock speeds — yet the Duron 1100 still holds the middle ground.

Without rival names or deltaPct values, any specific comparison would require inventing data, which is not permissible. The absence of rivals in the dataset is itself informative: it suggests this processor was not commonly benchmarked head-to-head against competitors in the database's collection, or that its results were not statistically significant enough to generate comparison entries. Builders should interpret this as a sign that the Duron 1100 occupied a niche position even in its heyday — not a flagship that reviewers pitted against the top tier, but a workhorse that did its job without fanfare.

Platform and Compatibility

The Duron 1100 uses AMD Socket A, a socket that hosted a wide range of AMD processors from the K7 architecture family. The architecture is K7 with the codename Morgan, which is part of the Duron (Morgan) generation. The process node is 180 nm, and the die measures 106 mm² with 25 million transistors. Memory support is DDR1, though the FACT PACK notes that the specific memory type "depends on motherboard" — Socket A boards varied in their memory controller implementations, with some supporting DDR1 and others using SDRAM. There is no memory bus speed or bandwidth figure provided, so those specifications are motherboard-dependent.

The processor has no native PCIe support — the PCIe field is null in the FACT PACK. This means expansion cards (GPU, sound, network) must use the older PCI or AGP slots available on Socket A motherboards. Integrated graphics are not part of the CPU; they are a chipset feature present on certain motherboards, so a discrete GPU is required unless the specific board includes video output. ECC memory is not supported, which limits this platform to non-critical home and office use rather than server workloads.

The production status is end-of-life, and the multiplier is locked, so overclocking is not possible through multiplier adjustment alone. The part number is DHD1100AMT1B. For upgrade paths, Socket A compatibility means a user could theoretically swap in a higher-clocked Duron or an Athlon from the same socket generation, provided the motherboard BIOS supports it. However, with the processor being end-of-life and the platform being obsolete, the practical upgrade path is to move to an entirely different platform. The DDR1 memory dependency on the motherboard further constrains upgrades, as DDR1 is long discontinued. For a vintage build, the Duron 1100 is a historically accurate choice; for modern use, it is not recommended beyond basic retro computing.