AMD

AMD Athlon 1333

AMD processor specifications and benchmark scores

1
Cores
1
Threads
GHz Boost
70W
TDP
🖥️Integrated GPU

AMD Athlon 1333 Specifications

⚙️

Athlon 1333 Core Configuration

Processing cores and threading

The AMD Athlon 1333 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
⏱️

Athlon 1333 Clock Speeds

Base and boost frequencies

Clock speed is a critical factor in Athlon 1333 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 Athlon 1333 by AMD can dynamically adjust its frequency based on workload and thermal headroom.

Base Clock
1333 GHz
Boost Clock
N/A
Multiplier
10x
💾

AMD's Athlon 1333 Cache Hierarchy

L1, L2, L3 cache sizes

Cache memory is ultra-fast storage built directly into the Athlon 1333 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 Athlon 1333's cache configuration is optimized for both gaming performance and productivity workloads, minimizing data fetch delays during intensive computations.

L1 Cache
128 KB
L2 Cache
256 KB
🏗️

K7 Architecture & Process

Manufacturing and design details

The AMD Athlon 1333 is built on AMD'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 Athlon 1333 incorporate advanced branch prediction and out-of-order execution for optimal performance.

Architecture
K7
Codename
Thunderbird C
Process Node
180 nm
Transistors
37 million
Die Size
120 mm²
Generation
Athlon Model 4 (Thunderbird C)
🔢

K7 Instruction Set Features

Supported CPU instructions and extensions

The Athlon 1333 by AMD 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
3DNow!
SSE
🔌

Athlon 1333 Power & Thermal

TDP and power specifications

The AMD Athlon 1333 has a TDP (Thermal Design Power) of 70W, 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
70W
🔧

AMD Socket A Platform & Socket

Compatibility information

The Athlon 1333 uses the AMD Socket A 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
AMD Socket A
Chipsets
AMD 760, VIA KT133, KT266, KT333, KT400, KT600, KT880, SiS 730 Series, 740 Series, NVIDIA nForce, nForce2, ALi MAGiK 1, MAGiK 2
Package
CPGA
DDR5

AMD Socket A Memory Support

RAM compatibility and speeds

Memory support specifications for the Athlon 1333 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 Athlon 1333 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 Depends on motherboard
Memory Bus
Single-channel
Memory Bandwidth
2128 MB/s
🖥️

AMD's Athlon 1333 Integrated Graphics

Built-in GPU specifications

The AMD Athlon 1333 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 Athlon 1333 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)
📦

Athlon 1333 Product Information

Release and pricing details

The AMD Athlon 1333 is manufactured by AMD 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 Athlon 1333 by AMD offers a specific balance of performance, features, and cost within AMD's product lineup.

Manufacturer
AMD
Release Date
Mar 2001
Market
Desktop
Status
End-of-life
Part Number
A1333AMS3C

Athlon 1333 Benchmark Scores

📊

No benchmark data available for this CPU.

About AMD Athlon 1333

The AMD Athlon 1333 CPU, a single-core, single-threaded processor from AMD's Athlon Model 4 generation, launched on March 21, 2001, targeting Socket A motherboards. Operating at a base clock of 1.333 GHz on a 180 nm process, it delivered solid performance for its era in everyday computing tasks. With no hyper-threading support, its architecture focused purely on scalar integer and floating-point execution without modern multi-threading capabilities. The chip's design emphasized clock speed over core count, aligning with late-90s to early-2000s CPU trends. Lacking benchmark data today, historical context positions it competitively against contemporaries like Intel's Pentium III. Its Thunderbird C stepping refined power delivery and heat characteristics over prior models.

Energy efficiency for the AMD Athlon 1333 CPU stands at 70W TDP, relatively high for a 1.333 GHz single-core part on 180 nm, demanding robust cooling solutions like slot-fan heatsinks of the time. The cache hierarchy includes 64 KB L1 cache split evenly between instruction and data, plus 256 KB full-speed L2 cache integrated on-die for low-latency access. This configuration boosted performance in cache-sensitive workloads compared to off-die L2 designs in earlier Athlons. Best applications today lean toward legacy systems, retro gaming on Windows 98/XP, or emulation of period-specific software. The 1333 MHz Athlon processor from AMD excels in low-demand servers or archival computing where Socket A compatibility reigns. Modern overclocking enthusiasts occasionally revive it for period-authentic builds, pushing beyond stock speeds with voltage tweaks.

  • 1 core / 1 thread configuration limits multitasking but excels in single-threaded legacy apps
  • 1.333 GHz base clock sufficient for 2001-era productivity and gaming
  • 70W TDP requires active cooling, typical for high-clocked 180 nm silicon
  • 64 KB L1 + 256 KB L2 cache hierarchy optimizes data throughput
  • Socket A compatibility with DDR SDRAM via chipset support
  • Ideal for retro PC builds, DOSBox gaming, and historical benchmarking

The Intel Equivalent of Athlon 1333

Looking for a similar processor from Intel? The Intel Core i5-750 offers comparable performance and features in the Intel lineup.

Intel Core i5-750

Intel • 4 Cores

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