INTEL

Intel Pentium III 1000B

Intel processor specifications and benchmark scores

1
Cores
1
Threads
β€”
GHz Boost
33W
TDP
πŸ–₯️Integrated GPU

Intel Pentium III 1000B Specifications

βš™οΈ

Pentium III 1000B Core Configuration

Processing cores and threading

The Intel Pentium III 1000B features 1 physical cores and 1 threads, which directly impacts multi-threaded performance in CPU benchmarks. More cores allow the processor to handle parallel workloads efficiently, improving performance in video editing, 3D rendering, and multitasking scenarios. Thread count determines how many simultaneous tasks the CPU can process, with higher thread counts benefiting productivity applications and content creation workflows.

Cores
1
Threads
1
SMP CPUs
2
⏱️

Pentium III 1000B Clock Speeds

Base and boost frequencies

Clock speed is a critical factor in Pentium III 1000B benchmark performance, measured in GHz. The base clock represents the guaranteed operating frequency, while the boost clock indicates maximum single-core performance under optimal conditions. Higher clock speeds translate to faster single-threaded performance, which is essential for gaming and applications that don't fully utilize multiple cores. The Pentium III 1000B by Intel can dynamically adjust its frequency based on workload and thermal headroom.

Base Clock
1000 GHz
Boost Clock
N/A
Multiplier
7.5x
πŸ’Ύ

Intel's Pentium III 1000B Cache Hierarchy

L1, L2, L3 cache sizes

Cache memory is ultra-fast storage built directly into the Pentium III 1000B processor die. L1 cache provides the fastest access for frequently used data, while L2 and L3 caches offer progressively larger storage with slightly higher latency. Larger cache sizes significantly improve CPU benchmark scores by reducing memory access times. The Pentium III 1000B's cache configuration is optimized for both gaming performance and productivity workloads, minimizing data fetch delays during intensive computations.

L1 Cache
32 KB
L2 Cache
256 KB
πŸ—οΈ

P6 Architecture & Process

Manufacturing and design details

The Intel Pentium III 1000B is built on Intel's 180 nm manufacturing process, which determines power efficiency and thermal characteristics. Smaller process nodes allow for more transistors in the same space, enabling higher performance per watt. The architecture defines how the processor handles instructions and manages data flow, directly impacting benchmark results across different workload types. Modern CPU architectures like the one in Pentium III 1000B incorporate advanced branch prediction and out-of-order execution for optimal performance.

Architecture
P6
Codename
Coppermine
Process Node
180 nm
Foundry
Intel
Transistors
28 million
Die Size
106 mmΒ²
Generation
Pentium III (Coppermine)
πŸ”’

P6 Instruction Set Features

Supported CPU instructions and extensions

The Pentium III 1000B by Intel supports various instruction set extensions that enable optimized performance for specific workloads. SIMD instructions like SSE and AVX accelerate multimedia, scientific computing, and AI workloads by processing multiple data points simultaneously. Features like AES-NI provide hardware-accelerated encryption, while AVX-512 (if supported) enables advanced vector processing for data centers and high-performance computing. These instruction sets are critical for software compatibility and performance in modern applications.

MMX
SSE
πŸ”Œ

Pentium III 1000B Power & Thermal

TDP and power specifications

The Intel Pentium III 1000B has a TDP (Thermal Design Power) of 33W, indicating the cooling solution required for sustained operation. TDP affects both system power consumption and the type of cooler needed. Lower TDP processors are ideal for compact builds and laptops, while higher TDP chips typically offer better sustained performance in demanding CPU benchmarks. Understanding power requirements helps ensure your system can deliver consistent performance without thermal throttling.

TDP
33W
πŸ”§

Intel Slot 1 Platform & Socket

Compatibility information

The Pentium III 1000B uses the Intel Slot 1 socket, which determines motherboard compatibility. Choosing the right platform is essential for building a system around this processor. The socket type also influences available features like PCIe lanes, memory support, and upgrade paths. When comparing CPU benchmarks, ensure you're looking at processors compatible with your existing or planned motherboard to make informed purchasing decisions.

Socket
Intel Slot 1
Chipsets
Intel i810E, i820, i840, VIA 693A, 694X
Package
SECC
DDR5

Intel Slot 1 Memory Support

RAM compatibility and speeds

Memory support specifications for the Pentium III 1000B define which RAM types and speeds are compatible. Faster memory can significantly improve CPU benchmark performance, especially in memory-intensive applications and gaming. The memory controller integrated into the Pentium III 1000B determines maximum supported speeds and channels. Dual-channel or quad-channel memory configurations can double or quadruple memory bandwidth, providing noticeable performance gains in content creation and scientific workloads.

Memory Type
unknown Depends on motherboard
Memory Bus
Single-channel
πŸ–₯️

Intel's Pentium III 1000B Integrated Graphics

Built-in GPU specifications

The Intel Pentium III 1000B includes integrated graphics, eliminating the need for a dedicated GPU in basic computing scenarios. Integrated graphics are ideal for office productivity, video playback, and light gaming. While not designed for demanding GPU benchmarks, the iGPU in the Pentium III 1000B provides hardware video encoding and decoding capabilities. This makes the processor suitable for compact builds, HTPCs, and systems where power efficiency is prioritized over gaming performance.

iGPU
On certain motherboards (Chipset feature)
Graphics Model
On certain motherboards (Chipset feature)
πŸ“¦

Pentium III 1000B Product Information

Release and pricing details

The Intel Pentium III 1000B is manufactured by Intel and represents their commitment to delivering competitive CPU performance. Understanding the release date and pricing helps contextualize benchmark comparisons with other processors from the same generation. Launch pricing provides a baseline for evaluating value, though street prices often differ. Whether you're building a new system or upgrading, the Pentium III 1000B by Intel offers a specific balance of performance, features, and cost within Intel's product lineup.

Manufacturer
Intel
Release Date
Mar 2000
Launch Price
$990
Market
Desktop
Status
End-of-life
Part Number
SL48SSL4BSSL4F9
Bundled Cooler
Yes

Pentium III 1000B Benchmark Scores

πŸ“Š

No benchmark data available for this CPU.

About Intel Pentium III 1000B

The Pentium III 1000B was a flagship 1.0 GHz processor from Intel’s Coppermine family, built on an 180 nm process and designed for the Intel Slot 1 platform. Its single-core, single-threaded architecture delivered strong performance for its era, anchored by a 1000.00 MHz base clock and a 133 MHz system bus. A key enhancement was its 256 KB on-die L2 cache, which operated at full core speed and dramatically improved responsiveness over earlier Katmai designs. With a 33W TDP, the chip was relatively efficient for a high-frequency part, though thermal management and motherboard quality were critical for sustained loads. At launch, the $990 price positioned the Pentium III 1000B as a premium option for enthusiasts and demanding workstation builds. Compared to contemporary AMD Athlon models, this Intel Pentium III 1000B emphasized cache latency and bandwidth, making it particularly effective in latency-sensitive applications. In practical terms, the Pentium III 1000B excelled at office productivity, software development, 2D content creation, and early 3D gaming, especially when paired with fast SDRAM and a capable AGP graphics card. It is well suited to: - Legacy system restoration and retro gaming builds targeting the Slot 1 era - Light server or router duties requiring stable, low-power x86 operation - Educational and hobbyist projects exploring pre-2000 CPU microarchitecture Memory bandwidth and chipset choice significantly influenced performance, with 133 MHz FSB platforms unlocking the full potential of this 1.0 GHz part. The absence of modern features like integrated memory controllers or SIMD extensions beyond SSE meant workloads benefited from optimized software and tuned timings. For users seeking a period-correct, high-performance Slot 1 CPU, the Coppermine-based 1000B remains a balanced choice between speed, efficiency, and compatibility.

The AMD Equivalent of Pentium III 1000B

Looking for a similar processor from AMD? The AMD Ryzen 5 1400 offers comparable performance and features in the AMD lineup.

AMD Ryzen 5 1400

AMD β€’ 4 Cores

View Specs Compare

Popular Intel Pentium III 1000B Comparisons

See how the Pentium III 1000B stacks up against similar processors from the same generation and competing brands.

Compare Pentium III 1000B with Other CPUs

Select another CPU to compare specifications and benchmarks side-by-side.

Browse CPUs