AMD

AMD Athlon 1100

AMD processor specifications and benchmark scores

1
Cores
1
Threads
GHz Boost
60W
TDP
Integrated GPU

At a Glance

AMD
Cores / Threads 1C / 1T
Base Clock 1100 GHz
TDP 60W
Architecture K7
Socket AMD Socket A
nm
Process 180 nm
Released Aug 2000

AMD Athlon 1100 Specifications

Athlon 1100 Core Configuration

Processing cores and threading

The AMD Athlon 1100 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 1100 Clock Speeds

Base and boost frequencies

Clock speed is a critical factor in Athlon 1100 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 1100 by AMD can dynamically adjust its frequency based on workload and thermal headroom.

Base Clock
1100 GHz
Boost Clock
N/A
Multiplier
11x

AMD's Athlon 1100 Cache Hierarchy

L1, L2, L3 cache sizes

Cache memory is ultra-fast storage built directly into the Athlon 1100 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 1100'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 1100 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 1100 incorporate advanced branch prediction and out-of-order execution for optimal performance.

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

K7 Instruction Set Features

Supported CPU instructions and extensions

The Athlon 1100 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 1100 Power & Thermal

TDP and power specifications

The AMD Athlon 1100 has a TDP (Thermal Design Power) of 60W, 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
60W

AMD Socket A Platform & Socket

Compatibility information

The Athlon 1100 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 1100 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 1100 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 1100 Integrated Graphics

Built-in GPU specifications

The AMD Athlon 1100 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 1100 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 1100 Product Information

Release and pricing details

The AMD Athlon 1100 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 1100 by AMD offers a specific balance of performance, features, and cost within AMD's product lineup.

Manufacturer
AMD
Release Date
Aug 2000
Launch Price
$853
Market
Desktop
Status
End-of-life
Part Number
A1100AMS3BA1100AMT3B

Athlon 1100 Benchmark Scores

No benchmark data available for this CPU.

About AMD Athlon 1100

The AMD Athlon 1100 is a desktop processor from the 1000 series with a single core and a single thread. It uses the K7 architecture with the Thunderbird B codename, and the database places it at the 50th percentile among all CPUs. Its recorded average benchmark score is 0, and the nearestRivals list is empty, so there are no direct competitor results in this data set.

Benchmark Performance

The benchmark section for the Athlon 1100 contains no entries. The `benchmarks` array is empty, and the `avgBenchmarkScore` is 0. Because `nearestRivals` is also empty, there are no exact `deltaPct` values to cite against any other CPU. In practical terms, this means the database cannot support a claim that the Athlon 1100 is ahead of or behind a named rival by a certain percentage.

The only relative metric supplied is `percentileVsAllCpus`, which has the value 50. That places the Athlon 1100 at the midpoint of the all-CPU ranking in this database. However, a 50th percentile position combined with a benchmark score of 0 should be read as an absence of measured results rather than as evidence of average performance. The score of 0 is consistent with an entry that has no benchmark runs recorded.

Without rival scores or `deltaPct` figures, performance analysis must fall back to the architectural data: 1 core, 1 thread, a base clock of 1100.00 MHz, and no boost clock. Those fields describe a processor that does not participate in the normal benchmark comparison framework provided for other entries.

Single-Thread vs Multi-Thread Behavior

The Athlon 1100 has 1 core and 1 thread. It cannot execute more than one software thread at a time. This is not a case of a chip with strong single-thread performance and weaker multi-thread scaling; the chip has no multi-thread capability at all.

The base clock is 1100.00 MHz, and there is no boost clock. That means the CPU has a single frequency reference and does not elevate its clock for short-duration single-thread bursts. For single-threaded workloads, the entire core is available for that one thread. For any workload that expects multiple threads, the processor will serialize execution, because only one thread can be scheduled.

The cache arrangement supports this picture. The L1 cache is 128 KB and the L2 cache is 256 KB, with no L3 cache listed. Those cache sizes are small by later standards, but they are the only cache tiers available to the single thread. The memory path is also single-channel DDR1 with 2128 MB/s of bandwidth, subject to motherboard support. That bandwidth is a hard ceiling for data feeding the single core. In workloads that stream data heavily, the single-thread limit and the memory bandwidth limit will both be reached quickly.

The practical consequence is straightforward: software built around one sequential task can use the full processor, while software designed for parallelism will not be able to spread work across multiple cores.

Platform and Compatibility

The Athlon 1100 fits AMD Socket A. The architecture is K7, the codename is Thunderbird B, and the generation is listed as Athlon Model 4 (Thunderbird B). This is an end-of-life desktop part, released on 2000-08-13.

Memory support is DDR1 and is explicitly listed as dependent on the motherboard. The memory bus is single-channel with 2128 MB/s bandwidth, and ECC memory is not supported. Builders should therefore treat memory compatibility as a motherboard-specific question rather than a fixed property of the processor itself.

The PCIe field in the data is null, so the expansion interface is not documented for this entry. There is no PCIe specification to report. The integrated graphics field is also not part of the CPU; it says integrated graphics appear on certain motherboards as a chipset feature. That is a motherboard-level capability, not a processor-level one.

The multiplier is locked, so users cannot adjust the multiplier to raise the clock. The base clock of 1100.00 MHz is the only clock speed listed, and there is no boost clock to provide frequency headroom. The part number is A1100AMS3BA1100AMT3B.

The processor is built on a 180 nm process node with 37 million transistors and a die size of 120 mm². The socket is AMD Socket A, and the platform is end-of-life. No upgrade path details are present in this data set beyond the socket and production status.

Who Should Consider It

Because no benchmark scores are recorded, workload recommendations must come from the exposed architecture rather than measured results. The Athlon 1100 is a single-thread processor, so anyone considering it should have workloads that are genuinely serial in nature.

For office use, the practical fit is light, single-threaded desktop tasks that do not demand multiple simultaneous threads. The single-core design means the system will not multitask gracefully across demanding applications. The single-channel DDR1 path with 2128 MB/s bandwidth further limits situations where large amounts of data move at once.

For gaming, there is no benchmark data in the fact pack to demonstrate any particular level of playability. What can be said is that a 1-core/1-thread CPU with no boost clock cannot capture the multi-threaded execution used by many modern game engines. Whether a specific game runs depends on that game’s single-thread requirements, which are not included in this data.

For creation workloads such as video encoding, rendering, or compilation, the recommendation is unfavorable. These tasks generally spread work across multiple threads, and the Athlon 1100 has no multi-thread capacity. The same workload that a multi-core processor can divide across eight threads would here be reduced to one thread. That makes the Athlon 1100 a poor match for multi-threaded production software.

The 50th percentile all-CPU rank and empty benchmark record indicate this is not a high-scoring entry in the database. The realistic environment for this chip is a system already built around Socket A and motherboard-dependent DDR1 memory, not a new high-performance build.

Power and Thermals

The TDP of the Athlon 1100 is 60 W. That is the only power-related number in the fact pack, and it defines the thermal class of the chip. A 60 W TDP is a modest figure. The absence of a boost clock also means the CPU does not have a separate, higher-power boost state to plan for; the thermal design revolves around the single 1100.00 MHz base clock.

The process node is 180 nm, with 37 million transistors and a die size of 120 mm². Those figures describe the silicon, and the 60 W TDP indicates how much heat must be removed by the cooling solution. The fact pack does not specify a cooler size, so the appropriate statement is that a basic active cooling solution should be chosen around the 60 W TDP. The production status is end-of-life, so thermal guidance is mostly relevant when maintaining or repairing an existing Socket A system rather than planning a new one.

FAQ

Q: Does the AMD Athlon 1100 support multi-threading?

A: No. It has 1 core and 1 thread, so it can execute only one thread at a time.

Q: What is the maximum clock speed?

A: The base clock is 1100.00 MHz. There is no boost clock listed, so 1100.00 MHz is the only clock speed available.

Q: How much cache does the Athlon 1100 have?

A: It has 128 KB of L1 cache and 256 KB of L2 cache. No L3 cache is listed.

Q: What memory type does it support?

A: It uses DDR1 memory, with support depending on the motherboard. The memory bus is single-channel with 2128 MB/s bandwidth, and ECC memory is not supported.

Q: Does it include integrated graphics?

A: Integrated graphics are not part of the CPU itself. The fact pack states that integrated graphics appear on certain motherboards as a chipset feature.

Q: When was it released, and what was the launch MSRP?

A: The release date is 2000-08-13. It uses AMD Socket A, and its launch MSRP was $853. The production status is end-of-life.

The Intel Equivalent of Athlon 1100

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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