AMD

AMD Athlon 1000 (C)

AMD processor specifications and benchmark scores

1
Cores
1
Threads
GHz Boost
54W
TDP
🖥️Integrated GPU

AMD Athlon 1000 (C) Specifications

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Athlon 1000 (C) Core Configuration

Processing cores and threading

The AMD Athlon 1000 (C) 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 1000 (C) Clock Speeds

Base and boost frequencies

Clock speed is a critical factor in Athlon 1000 (C) 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 1000 (C) by AMD can dynamically adjust its frequency based on workload and thermal headroom.

Base Clock
1000 GHz
Boost Clock
N/A
Multiplier
7.5x
💾

AMD's Athlon 1000 (C) Cache Hierarchy

L1, L2, L3 cache sizes

Cache memory is ultra-fast storage built directly into the Athlon 1000 (C) 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 1000 (C)'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
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K7 Architecture & Process

Manufacturing and design details

The AMD Athlon 1000 (C) 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 1000 (C) 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 1000 (C) 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 1000 (C) Power & Thermal

TDP and power specifications

The AMD Athlon 1000 (C) has a TDP (Thermal Design Power) of 54W, 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
54W
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AMD Socket A Platform & Socket

Compatibility information

The Athlon 1000 (C) 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
Package
CPGA
DDR5

AMD Socket A Memory Support

RAM compatibility and speeds

Memory support specifications for the Athlon 1000 (C) 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 1000 (C) 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 1000 (C) Integrated Graphics

Built-in GPU specifications

The AMD Athlon 1000 (C) 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 1000 (C) 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 1000 (C) Product Information

Release and pricing details

The AMD Athlon 1000 (C) 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 1000 (C) by AMD offers a specific balance of performance, features, and cost within AMD's product lineup.

Manufacturer
AMD
Release Date
Oct 2000
Launch Price
$385
Market
Desktop
Status
End-of-life
Part Number
A1000AMS3CA1000AMT3CA1000DMT3C

Athlon 1000 (C) Benchmark Scores

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No benchmark data available for this CPU.

About AMD Athlon 1000 (C)

The AMD Athlon 1000 (C), based on the Thunderbird C core, marked a significant milestone as the first consumer x86 processor to break the 1 GHz barrier. Built on a 180 nm process and using the AMD Socket A platform, this single-core, single-threaded CPU delivered a raw base frequency of 1000.00 GHz that enthusiasts eagerly embraced. Its 54W TDP was respectable for the era, balancing heat output with aggressive performance that often outpaced the competition in integer-heavy workloads. The Athlon Model 4 architecture emphasized a wide, efficient pipeline and strong floating-point capabilities, making it a darling of the overclocking community. Priced at $385 at launch, this chip targeted performance-hungry gamers and power users who valued raw throughput over multi-threaded scalability. With only one core and one thread, the Thunderbird C lacks any multi-threading capabilities such as SMT, so parallel workloads run strictly sequentially. The 180 nm Thunderbird C core’s performance frequencies were defined by a 1000.00 GHz base clock, which was exceptionally high for the time and delivered snappy responsiveness in single-threaded applications. However, the absence of modern features like Turbo Boost or aggressive power gating means the chip holds its frequency under load, with performance scaling tied directly to cooling and motherboard stability. The L1 cache is split into 64 KB for instructions and 64 KB for data, while the L2 cache is a full-speed 256 KB unified pool integrated on-die. There is no L3 cache, a typical limitation of the era, but the low-latency L2 helps mitigate memory bottlenecks on the Socket A platform. Power consumption is governed by a 54W TDP, which is modest by today’s standards but required competent cooling given the 180 nm process and high clock speed. For builders considering the AMD Athlon 1000 (C), ideal workloads include: - Single-threaded gaming and early 3D titles that favor high clock speeds and strong FPU performance - Legacy software and emulators that scale with per-core frequency rather than core count - Office productivity and web browsing of the era, including Office suites and email clients - Light content creation such as audio encoding and basic image editing - Overclocking experiments and retro system builds that showcase the Thunderbird architecture’s capabilities The AMD Athlon 1000 (C) remains a compelling choice for period-accurate builds and benchmarks where single-thread performance is king.

The Intel Equivalent of Athlon 1000 (C)

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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