INTEL

Intel Pentium 4 HT 620

Intel processor specifications and benchmark scores

1
Cores
2
Threads
GHz Boost
84W
TDP
🖥️Integrated GPU

Intel Pentium 4 HT 620 Specifications

⚙️

Pentium 4 HT 620 Core Configuration

Processing cores and threading

The Intel Pentium 4 HT 620 features 1 physical cores and 2 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
2
SMP CPUs
1
⏱️

Pentium 4 HT 620 Clock Speeds

Base and boost frequencies

Clock speed is a critical factor in Pentium 4 HT 620 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 4 HT 620 by Intel can dynamically adjust its frequency based on workload and thermal headroom.

Base Clock
2.8 GHz
Boost Clock
N/A
Multiplier
14x
💾

Intel's Pentium 4 HT 620 Cache Hierarchy

L1, L2, L3 cache sizes

Cache memory is ultra-fast storage built directly into the Pentium 4 HT 620 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 4 HT 620's cache configuration is optimized for both gaming performance and productivity workloads, minimizing data fetch delays during intensive computations.

L1 Cache
28 KB
L2 Cache
2 MB
🏗️

NetBurst Architecture & Process

Manufacturing and design details

The Intel Pentium 4 HT 620 is built on Intel's 90 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 4 HT 620 incorporate advanced branch prediction and out-of-order execution for optimal performance.

Architecture
NetBurst
Codename
Prescott
Process Node
90 nm
Foundry
Intel
Transistors
169 million
Die Size
135 mm²
Generation
Pentium 4 HT (Prescott)
🔢

NetBurst Instruction Set Features

Supported CPU instructions and extensions

The Pentium 4 HT 620 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
SSE2
SSE3
Intel 64
🔌

Pentium 4 HT 620 Power & Thermal

TDP and power specifications

The Intel Pentium 4 HT 620 has a TDP (Thermal Design Power) of 84W, 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
84W
🔧

Intel Socket 775 Platform & Socket

Compatibility information

The Pentium 4 HT 620 uses the Intel Socket 775 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 775
PCIe
Gen 2
Package
FC-LGA4
DDR5

Intel Socket 775 Memory Support

RAM compatibility and speeds

Memory support specifications for the Pentium 4 HT 620 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 4 HT 620 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
DDR1, DDR2, DDR3
Memory Bus
Dual-channel
🖥️

Intel's Pentium 4 HT 620 Integrated Graphics

Built-in GPU specifications

The Intel Pentium 4 HT 620 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 4 HT 620 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)
📦

Pentium 4 HT 620 Product Information

Release and pricing details

The Intel Pentium 4 HT 620 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 4 HT 620 by Intel offers a specific balance of performance, features, and cost within Intel's product lineup.

Manufacturer
Intel
Release Date
Feb 2005
Market
Desktop
Status
End-of-life
Part Number
SL8AB

Pentium 4 HT 620 Benchmark Scores

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No benchmark data available for this CPU.

About Intel Pentium 4 HT 620

The Intel Pentium 4 HT 620 processor remains a relic of the early‑2000s but still handles basic office workloads without choking. With a single core and Hyper‑Threading, it can juggle two threads, which is enough for web browsing, email, and spreadsheet editing. Its 2.80 GHz clock speed delivers modest responsiveness, though modern browsers may feel slightly sluggish on complex pages. The 84 W TDP forces the cooling solution to stay active, resulting in audible fan noise during prolonged use. Compatibility with legacy Windows XP and early Windows 7 installations makes it a convenient drop‑in for vintage builds. Power consumption and heat output are the primary drawbacks for continuous day‑to‑day operation.

When it comes to gaming, the 620 model from Intel's Pentium 4 HT line shows its age dramatically. Most contemporary titles require multi‑core CPUs and higher clock rates, leaving this chip stuck at low frame rates even at reduced settings. It can still run classic DirectX 9 games from the early 2000s, provided a modest GPU is paired with it. The lack of SIMD extensions beyond SSE2 limits performance in physics and shader calculations. Enthusiasts who enjoy retro gaming may find it acceptable for titles like Counter‑Strike 1.6 or Warcraft III. For any modern AAA release, the processor will be a severe bottleneck regardless of the graphics card.

Cost effectiveness is the only arena where the Intel's 2.8 GHz Pentium 4 HT can still claim relevance, as the silicon is often found in surplus or used‑market listings for pennies. Its low price can be attractive for hobbyists building a period‑accurate system or testing legacy software. However, the lack of DDR2 or newer memory support means you must pair it with a compatible socket 775 motherboard from the era. Motherboard options include models based on the Intel 945 or 975 chipsets, which provide PCI‑Express 1.0, SATA II, and legacy IDE ports. BIOS updates may be required to recognize newer hard drives or SSDs, and the integrated graphics on many boards are insufficient for any serious visual workload. Overall, the processor offers a niche value proposition for collectors but does not compete with even entry‑level modern CPUs.

  1. 90 nm manufacturing process
  2. Socket 775 (LGA 775) compatibility
  3. 84 W thermal design power
  4. Hyper‑Threading technology (2 threads)
  5. 2.80 GHz base frequency
  6. Single core architecture (Pentium 4 HT generation)

The AMD Equivalent of Pentium 4 HT 620

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 • 4 Cores

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