INTEL

Intel Celeron 667

Intel processor specifications and benchmark scores

1
Cores
1
Threads
GHz Boost
30W
TDP
🖥️Integrated GPU

Intel Celeron 667 Specifications

⚙️

Celeron 667 Core Configuration

Processing cores and threading

The Intel Celeron 667 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
1
⏱️

Celeron 667 Clock Speeds

Base and boost frequencies

Clock speed is a critical factor in Celeron 667 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 Celeron 667 by Intel can dynamically adjust its frequency based on workload and thermal headroom.

Base Clock
667 GHz
Boost Clock
N/A
Multiplier
5x
💾

Intel's Celeron 667 Cache Hierarchy

L1, L2, L3 cache sizes

Cache memory is ultra-fast storage built directly into the Celeron 667 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 Celeron 667'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
128 KB
🏗️

P6 Architecture & Process

Manufacturing and design details

The Intel Celeron 667 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 Celeron 667 incorporate advanced branch prediction and out-of-order execution for optimal performance.

Architecture
P6
Codename
Timna
Process Node
180 nm
Foundry
Intel
Die Size
129 mm²
Generation
Celeron (Timna)
🔢

P6 Instruction Set Features

Supported CPU instructions and extensions

The Celeron 667 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
🔌

Celeron 667 Power & Thermal

TDP and power specifications

The Intel Celeron 667 has a TDP (Thermal Design Power) of 30W, 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
30W
🔧

Intel Socket 370S Platform & Socket

Compatibility information

The Celeron 667 uses the Intel Socket 370S 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 Socket 370S
Package
FC-PGA
DDR5

Intel Socket 370S Memory Support

RAM compatibility and speeds

Memory support specifications for the Celeron 667 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 Celeron 667 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
🖥️

Intel's Celeron 667 Integrated Graphics

Built-in GPU specifications

The Intel Celeron 667 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 Celeron 667 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
Intel i752
Graphics Model
Intel i752
📦

Celeron 667 Product Information

Release and pricing details

The Intel Celeron 667 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 Celeron 667 by Intel offers a specific balance of performance, features, and cost within Intel's product lineup.

Manufacturer
Intel
Market
Desktop
Status
End-of-life
Part Number
QV18
Bundled Cooler
None

Celeron 667 Benchmark Scores

📊

No benchmark data available for this CPU.

About Intel Celeron 667

The Intel Celeron 667, a relic from the early 2000s, was never intended to be a powerhouse think of it more as the digital equivalent of a flip phone in today's smartphone world. With a single core and a base clock of 667 MHz not GHz, despite what the specs might misleadingly suggest it’s clear this chip was built for basic computing tasks. Running on the 180 nm Timna architecture, it was part of Intel's effort to cut costs, not push performance boundaries. You’d struggle to open a handful of browser tabs today without hitting a wall, and even lightweight apps would feel sluggish. This processor, officially known as the Intel Celeron 667, was typically found in budget office machines or early internet terminals. It’s a chip that reminds us how far we've come, offering just enough juice for word processing and spreadsheet work in its prime. While it may have been adequate back when dial-up was still a thing, by modern standards it's practically obsolete. Real-world performance, in any context today, would be painfully slow like watching paint dry, but with more loading spinners.

When it comes to gaming, the so-called Intel Celeron 667 is essentially a non-starter. Even retro titles from its own era, like Half-Life or StarCraft, would run poorly, especially with anything beyond minimal settings. Forget about modern games anything requiring DirectX 9 or higher simply wouldn’t launch. Integrated graphics weren’t even a feature here, so you’d need a separate GPU, which most systems using this CPU never included. The single thread and ancient 180 nm process can’t keep up with even the most basic game logic and rendering demands. If you’re hunting for a nostalgic build, this CPU might get you into Windows 98 territory, but frame rates would be in the single digits. The truth is, the Intel Celeron 667 was never about gaming; it was about cutting costs for schools and small businesses. So while it has a place in history, it’s not one in your retro gaming rig unless you're aiming for irony.

Price-to-performance is where things get tricky today, the Intel Celeron 667 is more of a collector’s curiosity than a viable budget option. Back in the day, it offered affordability, sure, but at the cost of future-proofing and multitasking ability. You’d pay next to nothing for one now, but that low price doesn’t make it a smart buy. The power efficiency 30W TDP sounds decent until you realize how little work it can actually do per watt. Modern ARM-based chips, like those in budget tablets, outperform it by orders of magnitude while using a fraction of the energy. Even secondhand, pairing this CPU with compatible hardware (like a Socket 370S motherboard) would cost more in effort and electricity than it’s worth. The original Intel Celeron 667 was a compromise, and time hasn’t been kind to that trade-off. If value means utility, this chip has none in 2024.

From a platform standpoint, building around the Intel Celeron 667 means diving deep into retro computing territory. You’ll need a Socket 370S motherboard, which narrows your options to aging chipsets with limited RAM support likely maxing out at 512MB or 1GB of slow SDRAM. Expansion slots are PCI-only, so no modern peripherals, and don’t expect USB 2.0 or SATA to be standard. Cooling is simple thanks to the 30W TDP, but sourcing functional, period-accurate parts introduces its own headaches. Driver support ended years ago, and even lightweight modern Linux distros might choke on the limited resources. This isn’t a platform for productivity or convenience it’s a project for enthusiasts with a taste for vintage tech archaeology. The Intel Celeron 667 demands patience, niche knowledge, and a willingness to accept severe limitations. But hey, if you're into time capsules, this CPU is a perfectly preserved specimen of budget computing from the dawn of the millennium.

The AMD Equivalent of Celeron 667

Looking for a similar processor from AMD? The AMD Ryzen 5 40 offers comparable performance and features in the AMD lineup.

AMD Ryzen 5 40

AMD • 4 Cores

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