AMD Athlon II X3 450

The AMD Athlon II X3 450 is a 45 nm desktop processor built on AMD's K10 architecture, codenamed Rana, and it launched on September 20, 2010, with an end-of-life production status. It provides three cores and three threads at a 3.20 GHz base clock with no boost clock, a locked multiplier, and a 95W TDP. The data places the processor at the 11th percentile among all CPUs in the database, with an average benchmark score of 547. That aggregate score places it in a very tight cluster with four nearest rivals, the largest reported delta being 0.5%.

Platform and Compatibility

The Athlon II X3 450 fits the AMD Socket AM3 platform and belongs to the Athlon II X3 generation, with the Rana codename and K10 microarchitecture. The socket and platform generation are fixed by this combination: AM3, DDR3 memory support, and PCIe Gen 2 expansion are the primary compatibility limits. The processor itself does not list a memory bandwidth figure in the data, but memory support is DDR3 over a dual-channel bus, and ECC memory is not supported.

The cache layout is per-core: 128 KB of L1 cache per core and 512 KB of L2 cache per core, with no L3 cache listed. This matters for workloads that depend on shared cache, because the only shared cache level is absent in the data. The processor has 300 million transistors on a 169 mm² die, a 45 nm process node, and a desktop market segment designation. It is a three-core, three-thread part, so the operating system sees three logical processors, and each core handles one thread.

Integrated graphics are listed as "On certain motherboards (Chipset feature)" in the data. This means graphics output is a chipset-provided capability on select boards rather than a feature of the CPU package itself. The PCIe support is Gen 2, which defines the expansion interface for discrete components. The production status is end-of-life, and the release date is 2010-09-20; the data set does not document any platform successors or later AM3 processors, so the upgrade path within this socket generation is limited to the AM3/DDR3 ecosystem described here. The lack of an L3 cache also shapes memory-sensitive behavior, since the processor relies entirely on the per-core L2 caches and system memory.

Who Should Consider It

For workloads that fit within three cores and three threads, the Athlon II X3 450 is a straightforward desktop part with a 3.20 GHz base clock. The data contains no boost clock and no unlocked multiplier, so the processor runs at a single advertised frequency ceiling. Users with lightly threaded office productivity tasks might find the 224 single-core score in Cinebench R23 sufficient for basic interaction, while the 94 single-core score in Cinebench R20 reflects the same modest per-thread capability.

For multi-threaded rendering, the Cinebench scores are low in absolute terms. The R23 multi-core score is 1591, the R20 multi-core score is 668, and the R15 multi-core score is 160. These numbers indicate that a workload which scales across many threads will not find much headroom in this three-core, three-thread processor. The 11th percentile standing among all CPUs reinforces that position: the data ranks this processor near the bottom of the database. Users whose primary work is Cinebench-class multi-threaded rendering would likely need a part with substantially more thread count or higher per-core performance, neither of which is present in this data set.

For gaming, no gaming-specific benchmark appears in the FACT PACK. Therefore, the data supports no direct gaming claim. The processor's 3.20 GHz base clock and three cores may handle older or less demanding games, but the absence of gaming benchmarks means any such statement is not grounded in the provided scores. For general desktop use, the dual-channel DDR3 support, PCIe Gen 2, and lack of integrated graphics on the CPU itself mean the platform requires a discrete graphics solution or a motherboard with chipset-provided graphics. The locked multiplier also removes overclocking as a variable in workload planning; every workload runs within the fixed 3.20 GHz clock envelope.

Power and Thermals

The Athlon II X3 450 carries a 95W TDP, which is the only power envelope figure in the data. Built on a 45 nm process with 300 million transistors and a 169 mm² die, the 95W class is a moderate thermal requirement. The absence of a boost clock means there is no higher-frequency turbo state to drive additional heat; the thermal design point is tied to the 3.20 GHz base clock with all three cores active. The locked multiplier also prevents user-adjusted frequency increases, keeping the thermal envelope effectively fixed at the 95W design point.

What cooling tier does this imply? A 95W TDP part can be handled by a conventional desktop cooler sized for that envelope. There is no liquid-cooling or exotic cooling requirement suggested by the data. The 45 nm process and 169 mm² die are older construction, but the TDP of 95W remains the reference for cooler selection. In a system with adequate chassis airflow, a standard 95W-class air cooler should be sufficient, and the lack of a boost clock avoids the transient peak power behavior seen in parts that can momentarily exceed their base TDP. The three cores at 3.20 GHz are the full workload; nothing in the data indicates a higher power state.

FAQ

Q: What socket does the AMD Athlon II X3 450 use?

A: It uses AMD Socket AM3.

Q: What memory type and bus does it support?

A: It supports DDR3 memory over a dual-channel memory bus, and ECC memory is not supported.

Q: Does the processor include integrated graphics?

A: The data lists integrated graphics as "On certain motherboards (Chipset feature)," so graphics capability comes from the chipset on certain motherboards rather than from the CPU itself.

Q: Can the multiplier be unlocked for overclocking?

A: No. The multiplier is locked, and the processor also has no boost clock listed; the base clock is 3.20 GHz.

Q: What are its Cinebench benchmark scores?

A: The scores are Cinebench R15 multi-core 160, Cinebench R20 multi-core 668, Cinebench R20 single-core 94, Cinebench R23 multi-core 1591, and Cinebench R23 single-core 224.

Q: When was it released, and is it still in production?

A: It was released on 2010-09-20, and its production status is end-of-life.

Benchmark Performance

The benchmark record for the Athlon II X3 450 consists entirely of Cinebench results: R15 multi-core 160, R20 multi-core 668, R20 single-core 94, R23 multi-core 1591, and R23 single-core 224. The average benchmark score across the record is 547, and the processor sits at the 11th percentile among all CPUs in the database. That percentile is a low standing, and the average score places this processor in a close group of four nearest rivals.

| Processor | Average Benchmark Score | DeltaPct |

|---|---|---|

| AMD Athlon II X3 450 | 547 | — |

| Intel Core M-5Y70 | 547 | -0.1 |

| Intel Xeon E5345 | 546 | 0.2 |

| AMD A6-9500 | 549 | -0.3 |

| Intel Core i5-2515E | 550 | -0.5 |

The comparison is extremely tight. Against the Intel Core M-5Y70, the average score is identical at 547, with a reported delta of -0.1%. The Intel Xeon E5345 averages 546, and the delta is +0.2%, meaning the Athlon is marginally ahead there. The AMD A6-9500 averages 549, a delta of -0.3% against the Athlon, and the Intel Core i5-2515E averages 550, a delta of -0.5%. These deltas are fractions of a percent, so the nearest-rival data shows a four-way cluster rather than a decisive performance separation.

In Cinebench terms, the R23 multi-core score of 1591 and single-core score of 224 describe the same chip from two angles. The single-core scores in R23 and R20, 224 and 94 respectively, are low enough to explain the 11th percentile aggregate ranking. The multi-core scores, 160 in R15, 668 in R20, and 1591 in R23, reflect the limited three-thread execution capacity. Compared with the nearest rivals, the Athlon is effectively a statistical tie with the Core M-5Y70 and Xeon E5345, and trails the A6-9500 and Core i5-2515E by less than one percentage point. The benchmark data therefore does not show a meaningful performance gap between this processor and its closest listed competition; the differences are within 0.5% in either direction. The average score of 547 is the single summary number that captures that close grouping.