AMD

AMD Athlon II X3 455

AMD processor specifications and benchmark scores

3
Cores
3
Threads
โ€”
GHz Boost
95W
TDP
๐Ÿ–ฅ๏ธIntegrated GPU

AMD Athlon II X3 455 Specifications

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Athlon II X3 455 Core Configuration

Processing cores and threading

The AMD Athlon II X3 455 features 3 physical cores and 3 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
3
Threads
3
SMP CPUs
1
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Athlon II X3 455 Clock Speeds

Base and boost frequencies

Clock speed is a critical factor in Athlon II X3 455 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 II X3 455 by AMD can dynamically adjust its frequency based on workload and thermal headroom.

Base Clock
3.3 GHz
Boost Clock
N/A
Multiplier
16.5x
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AMD's Athlon II X3 455 Cache Hierarchy

L1, L2, L3 cache sizes

Cache memory is ultra-fast storage built directly into the Athlon II X3 455 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 II X3 455'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 Athlon II X3 455 is built on AMD's 45 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 II X3 455 incorporate advanced branch prediction and out-of-order execution for optimal performance.

Architecture
K10
Codename
Rana
Process Node
45 nm
Transistors
300 million
Die Size
169 mmยฒ
Generation
Athlon II X3 (Rana)
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K10 Instruction Set Features

Supported CPU instructions and extensions

The Athlon II X3 455 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
AMD64
AMD-V
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Athlon II X3 455 Power & Thermal

TDP and power specifications

The AMD Athlon II X3 455 has a TDP (Thermal Design Power) of 95W, 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
95W
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AMD Socket AM3 Platform & Socket

Compatibility information

The Athlon II X3 455 uses the AMD Socket AM3 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 AM3
PCIe
Gen 2
Package
ยตPGA
DDR5

AMD Socket AM3 Memory Support

RAM compatibility and speeds

Memory support specifications for the Athlon II X3 455 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 II X3 455 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
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AMD's Athlon II X3 455 Integrated Graphics

Built-in GPU specifications

The AMD Athlon II X3 455 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 II X3 455 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)
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Athlon II X3 455 Product Information

Release and pricing details

The AMD Athlon II X3 455 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 II X3 455 by AMD offers a specific balance of performance, features, and cost within AMD's product lineup.

Manufacturer
AMD
Release Date
Dec 2010
Market
Desktop
Status
End-of-life
Part Number
ADX455WFK32GMADX455WFGMBOX

Athlon II X3 455 Benchmark Scores

cinebench_cinebench_r15_multicoreSource

Cinebench R15 multi-core renders a complex 3D scene using all CPU threads simultaneously. This test reveals how AMD Athlon II X3 455 performs in parallel rendering workloads like video production and 3D animation. The R15 version remains useful for comparing against older hardware benchmarks. Higher scores directly correlate with faster render times in Cinema 4D and similar 3D applications.

cinebench_cinebench_r15_multicore #1601 of 1788
165
1%
Max: 14,978
Compare with other CPUs

cinebench_cinebench_r20_multicoreSource

Cinebench R20 multi-core uses a scene requiring 4x more computational power than R15. This test better reflects modern CPU capabilities for professional rendering on AMD Athlon II X3 455. The more demanding workload provides better differentiation between current-generation processors.

cinebench_cinebench_r20_multicore #1601 of 1788
690
1%
Max: 62,412
Compare with other CPUs

cinebench_cinebench_r20_singlecoreSource

Cinebench R20 single-core tests one thread against a more demanding scene than R15. This reveals the true single-thread rendering capability of AMD Athlon II X3 455. The increased complexity provides more accurate performance differentiation between modern CPUs.

cinebench_cinebench_r20_singlecore #1600 of 1784
97
1%
Max: 8,811

cinebench_cinebench_r23_multicoreSource

Cinebench R23 multi-core is the current standard for CPU rendering benchmarks with a 10-minute minimum runtime. This extended test reveals sustained performance of AMD Athlon II X3 455 after thermal limits kick in. The longer duration exposes cooling limitations that shorter benchmarks miss.

cinebench_cinebench_r23_multicore #1601 of 1788
1,643
1%
Max: 148,601
Compare with other CPUs

๐Ÿ† Top 5 Performers

cinebench_cinebench_r23_singlecoreSource

Cinebench R23 single-core measures sustained single-thread performance over 10 minutes. This reveals how AMD Athlon II X3 455 maintains boost clocks under continuous load. The extended runtime shows whether thermal throttling affects single-core performance.

cinebench_cinebench_r23_singlecore #1601 of 1788
232
1%
Max: 20,979
Compare with other CPUs

About AMD Athlon II X3 455

The AMD Athlon II X3 455, a triple-core processor from the Rana family, arrives with a 3.30 GHz base clock and a 95W TDP on the AM3 socket. Its 45nm process and lack of simultaneous multithreading (SMT) mean it presents three physical threads, a configuration that was intriguing for its time. When we examine its Cinebench R23 scores of 1643 points in the multicore test and 232 points in the single-core test, we see the raw output of this specific silicon. This performance profile suggests the processor was designed to offer a cost-effective middle ground between dual-core and quad-core offerings. Investigating its architectural limits reveals a chip that prioritized core count over high-frequency single-threaded bursts. This specific AMD Athlon II X3 455 remains a fascinating case study in value-oriented silicon of the early 2010s. For workstation tasks, the triple-core design of this chip shows its strengths in lightly parallelized workloads where a dual-core would choke. In applications like older versions of Photoshop or basic video encoding, the extra core helps maintain responsiveness during background tasks. However, the single-core performance, evidenced by the Cinebench R20 score of 97 points, means that single-threaded applications will feel noticeably slower than on modern hardware. The lack of an unlocked multiplier on non-Black Edition chips also limits manual tuning for those seeking to squeeze out extra performance. We can observe that the multicore score of 690 in Cinebench R20 indicates it still handles multi-threaded rendering tasks, albeit slowly by today's standards. Therefore, the practical performance of the Athlon II X3 455 relies heavily on the specific nature of the user's software stack. When considering cost effectiveness, the motherboard support for the AMD Socket AM3 is a significant factor for budget builders. This processor allows the use of inexpensive DDR3 memory, further lowering the barrier to entry for a functional system. The 95W TDP is relatively modest, meaning that basic cooling solutions are often sufficient to keep the chip running reliably. However, one must weigh the low initial cost against the platform's age and the lack of modern features like PCIe 3.0 or native NVMe support. The benchmark results, such as the Cinebench R15 multicore score of 165 points, confirm that while it can run modern operating systems, it will struggle with intensive contemporary workloads. Ultimately, the decision to utilize this processor comes down to finding a balance between ultra-low budget constraints and acceptable performance for basic computing duties.

The Intel Equivalent of Athlon II X3 455

Looking for a similar processor from Intel? The Intel Core i5-2500K offers comparable performance and features in the Intel lineup.

Intel Core i5-2500K

Intel โ€ข 4 Cores

View Specs Compare

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