AMD

AMD A4-3420

AMD processor specifications and benchmark scores

2
Cores
2
Threads
GHz Boost
65W
TDP
🖥️Integrated GPU

AMD A4-3420 Specifications

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A4-3420 Core Configuration

Processing cores and threading

The AMD A4-3420 features 2 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
2
Threads
2
SMP CPUs
1
⏱️

A4-3420 Clock Speeds

Base and boost frequencies

Clock speed is a critical factor in A4-3420 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 A4-3420 by AMD can dynamically adjust its frequency based on workload and thermal headroom.

Base Clock
2.8 GHz
Boost Clock
N/A
Multiplier
28x
💾

AMD's A4-3420 Cache Hierarchy

L1, L2, L3 cache sizes

Cache memory is ultra-fast storage built directly into the A4-3420 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 A4-3420's cache configuration is optimized for both gaming performance and productivity workloads, minimizing data fetch delays during intensive computations.

L1 Cache
128 KB (per core)
L2 Cache
512 KB (per core)
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K10 Architecture & Process

Manufacturing and design details

The AMD A4-3420 is built on AMD's 32 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 A4-3420 incorporate advanced branch prediction and out-of-order execution for optimal performance.

Architecture
K10
Codename
Llano
Process Node
32 nm
Transistors
1,178 million
Die Size
228 mm²
Generation
A4 (Llano)
🔢

K10 Instruction Set Features

Supported CPU instructions and extensions

The A4-3420 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
SSE
SSE2
SSE3
SSE4A
SSE4.1
SSE4.2
AVX
AMD64
AMD-V
🔌

A4-3420 Power & Thermal

TDP and power specifications

The AMD A4-3420 has a TDP (Thermal Design Power) of 65W, 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
65W
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AMD Socket FM1 Platform & Socket

Compatibility information

The A4-3420 uses the AMD Socket FM1 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 FM1
Chipsets
A75, A55
PCIe
Gen 2
Package
µPGA
DDR5

AMD Socket FM1 Memory Support

RAM compatibility and speeds

Memory support specifications for the A4-3420 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 A4-3420 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
DDR3
Memory Bus
Dual-channel
Memory Bandwidth
29.9 GB/s
🖥️

AMD's A4-3420 Integrated Graphics

Built-in GPU specifications

The AMD A4-3420 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 A4-3420 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
Radeon HD 6410D
Graphics Model
Radeon HD 6410D
📦

A4-3420 Product Information

Release and pricing details

The AMD A4-3420 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 A4-3420 by AMD offers a specific balance of performance, features, and cost within AMD's product lineup.

Manufacturer
AMD
Release Date
Dec 2011
Market
Desktop
Status
End-of-life
Part Number
AD3420OJZ22HXAD3420OJHXBOX

A4-3420 Benchmark Scores

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No benchmark data available for this CPU.

About AMD A4-3420

The AMD A4-3420 processor, based on AMD's Llano architecture, was designed for budget-conscious consumers seeking a balance between power consumption and basic computing tasks. Its 32 nm manufacturing process allows for moderate energy efficiency, with a TDP of 65W, making it suitable for compact systems or home environments where noise and heat are considerations. Architecturally, the A4-3420 features two physical cores and two threads, utilizing AMD’s integrated Radeon HD 6410D graphics. This design is particularly beneficial for everyday applications like web browsing, document editing, and light multimedia use. Despite lacking more advanced features like simultaneous multithreading, the processor’s straightforward dual-core setup provides adequate performance for its intended market.

When discussing performance frequencies, the AMD A4-3420 operates at a base clock of 2.80 GHz, which delivers steady performance for routine computing needs. However, this fixed clock speed means the processor does not benefit from turbo-boosting technologies found in newer architectures, limiting its peak potential during demanding workloads. The thermal design of the A4-3420 is optimized for reliability and efficiency, with its 65W power rating ensuring it remains cool under typical operating conditions. While this makes it suitable for basic home and office systems, users looking for intensive tasks such as video editing or gaming should consider higher-tier options. Overall, the processor’s frequency and thermal design reflect its focus on delivering reliable performance without excessive power consumption.

The memory subsystem of the AMD A4-3420 supports DDR3 RAM, which was standard at the time of its release. This enables smooth operation with entry-level systems using 4GB to 8GB of memory, ideal for everyday productivity and light entertainment. The processor’s integration with the AMD Socket FM1 platform provides compatibility with a range of motherboards, offering flexibility for system builders. Target use cases for the A4-3420 include budget desktops, basic home theater PCs, and educational environments where cost and energy efficiency are prioritized. While it may not meet the demands of modern gaming or professional workloads, the AMD A4-3420 remains a capable choice for users seeking a reliable, entry-level processor.

The Intel Equivalent of A4-3420

Looking for a similar processor from Intel? The Intel Core i5-2450M offers comparable performance and features in the Intel lineup.

Intel Core i5-2450M

Intel • 2 Cores

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