Intel Pentium III 1000B

The Intel Pentium III 1000B is a Desktop processor from Intel, built on the P6 architecture and belonging to the Pentium III (Coppermine) generation. It has one core and one thread, a base clock of 1000.00, and no listed boost clock. The dataset records 32 KB of L1 cache, 256 KB of L2 cache, and no L3 cache. It is fabricated on Intel’s 180 nm process with 28 million transistors and a 106 mm² die size. The processor uses the Intel Slot 1 socket, carries a TDP of 33, and was released on 2000-03-07. The launch MSRP is listed as $990, production status is End-of-life, and no series designation is given.

Single-Thread vs Multi-Thread Behavior

With one physical core and one thread, the 1000B collapses the usual single-thread versus multi-thread performance question into a single category. There is no second thread to absorb background work, no parallel execution path, and no boost clock to move beyond the 1000.00 base clock. Everything this processor does must happen on that one thread, at that one clock value.

For real workloads, this means serial code is the natural fit. A single execution stream can use the full 1000.00 base clock without competing with other cores or threads. Multi-threaded workloads, by contrast, will find exactly one logical processor available. The cache layout reinforces this orientation: the 32 KB L1 cache and 256 KB L2 cache are dedicated to that single thread, which reduces the complexity of cache sharing but also fixes the working-set limit at those sizes. There is no L3 cache to extend the hierarchy.

The absence of a boost clock is also significant. Many processors have both a base clock and a higher short-duration clock; here the dataset lists only the 1000.00 base clock, so the operating frequency is a single reference point. The single-channel memory bus further suggests a platform not designed around high parallel memory traffic. The exact memory support is unknown and depends on the motherboard, but the memory path is listed as single-channel. The dataset contains no multi-thread benchmark score, which is consistent with a one-thread part.

Power and Thermals

The TDP of 33 places the 1000B in a low-power thermal class. Because no boost clock is listed, there is no higher-frequency mode that would require additional power headroom beyond the 1000.00 base clock. The physical implementation is described by the 180 nm process, the 28 million transistor count, and the 106 mm² die size. These manufacturing details are the basis for the 33 TDP figure.

For cooling, the TDP implies a modest cooling solution. The dataset does not specify a cooler, but a 33 TDP processor corresponds to the qualitative tier of a capable air cooler. Since the production status is End-of-life, the thermal data is best understood as a historical record of the platform rather than an active product category.

Who Should Consider It

The 1000B is a one-thread desktop processor. For office-type workloads that are largely serial, the single thread can execute the entire workload without contention from other execution units. The 32 KB L1 cache and 256 KB L2 cache give that thread a private cache path, which can be useful for latency-sensitive serial code.

For gaming, the processor itself does not list integrated graphics. The dataset states that integrated graphics exist on certain motherboards as a chipset feature, so the platform would supply visual output through the motherboard where available. A game that depends on a single CPU thread could use the 1000.00 clock, but the dataset includes no gaming scores to measure that behavior.

For creation workloads that scale across multiple threads, the one-thread architecture is a clear constraint: there is only one thread to distribute work across. Rendering, encoding, and similar parallel tasks would see no multi-thread acceleration in this design. The empty benchmark list means these workload expectations cannot be validated with measured scores. The data instead points to the architectural facts: one core, one thread, 1000.00 base clock, no boost clock.

How It Compares

The dataset lists no nearest rivals. With no rival names, no rival scores, and no deltaPct values, the 1000B cannot be positioned against competitors using the dataset’s own comparison fields. The only relative metric is percentileVsAllCpus, which is 50. That places the processor at the midpoint of the all-CPU distribution in the dataset. Because the benchmarks list is empty, this midpoint rank is not supported by any logged average benchmark score.

FAQ

Q: How many cores and threads does the Pentium III 1000B have?

A: It has one core and one thread.

Q: What are the clock specifications?

A: The base clock is 1000.00, and the dataset does not list a boost clock.

Q: What socket and memory support does it have?

A: It uses the Intel Slot 1 socket. Memory support is listed as unknown and depends on the motherboard; the memory bus is single-channel.

Q: Does it support ECC memory?

A: No, the dataset lists ECC memory as false.

Q: Does the CPU contain integrated graphics?

A: The CPU’s integrated graphics field says “On certain motherboards (Chipset feature),” meaning graphics are a motherboard feature rather than a processor feature.

Q: What process technology and die size are listed?

A: The processor is built on a 180 nm process, with 28 million transistors and a 106 mm² die.

Platform and Compatibility

The 1000B fits the Intel Slot 1 socket. Memory support is not a fixed specification: the dataset describes it as unknown and dependent on the motherboard. The memory bus is single-channel, and ECC memory is not supported. No PCIe value is listed, so the expansion interface is not specified in the dataset.

The platform may provide integrated graphics, but only as a chipset feature on certain motherboards. The multiplier is not unlocked, so the clock multiplier is a locked setting. Production status is End-of-life. The listed part number is SL48SSL4BSSL4F9. No upgrade path or compatible successor is listed in the dataset; a Slot 1 motherboard would define the physical upgrade envelope.

Benchmark Performance

The benchmark data for the 1000B is minimal. The benchmarks array is empty, the average benchmark score is 0, and there are no nearest rivals. Therefore, no exact percentage deltas over rivals can be stated. The only numerical performance anchor is the 1000.00 base clock.

PercentileVsAllCpus is 50. This is a midpoint position in the all-CPU ranking, but because no benchmark scores are logged, the percentile is an unaccompanied data point. With one core and one thread, any measured benchmark would be a single-thread result; the dataset contains no such result. The remaining performance-relevant data are the 32 KB L1 cache, the 256 KB L2 cache, the 180 nm process, the 33 TDP, and the single-channel memory bus. Without logged benchmark scores, the 1000B’s position can only be described architecturally and through the 50th percentile.