Athlon II X3 450

Details and Benchmarks for AMD Athlon II X3 450

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Benchmark Results

Combined benchmark scores based on multiple data points, giving a quick overview of this processor's performance.

Overall Score

Overall score for Athlon II X3 450 based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

4,257 Rank: 1580
Rank Name Score Visual
1576 Xeon X3220 4,259
+0%
1577 Core i5-4200U 4,258
+0%
1578 Core 2 Duo T9800 4,258
+0%
1579 Core 2 Duo E8300 4,258
+0%
1580 Athlon II X3 450 4,257
1581 Phenom II X4 910e 4,257
+0%
1582 Core i7-920XM 4,257
+0%
1583 Atom C3758 4,256
+-0%
1584 Core i3-2310M 4,255
+-0%
1585 Athlon II X3 435 4,255
+-0%

View full ranking →

Multicore Score

Multicore performance score for Athlon II X3 450 based on multi-threaded benchmark results.

4,256 Rank: 1888
Rank Name Score Visual
1884 Intel Pentium P6000 4,257
+0%
1885 Intel Celeron P4500 4,257
+0%
1886 E1-6010 4,257
+0%
1887 Intel Celeron J3160 4,256
+0%
1888 Athlon II X3 450 4,256
1889 Celeron N2805 4,256
+0%
1890 Athlon II X2 250u 4,255
+-0%
1891 Athlon 64 X2 3800+ 4,255
+-0%
1892 Sempron 145 4,254
+-0%
1893 Celeron 900 4,254
+-0%

View full ranking →

Singlecore Score

Single-core performance score for Athlon II X3 450 based on single-threaded benchmark results.

4,257 Rank: 1527
Rank Name Score Visual
1523 Celeron J4125 4,260
+0.1%
1524 Xeon Bronze 3106 4,259
+0%
1525 Phenom II N930 4,259
+0%
1526 Phenom II N660 4,258
+0%
1527 Athlon II X3 450 4,257
1528 A8-5500 4,256
+-0%
1529 A6-3670 4,253
-0.1%
1530 Athlon II X2 255 4,252
-0.1%
1531 Core 2 Quad Q8300 4,248
-0.2%
1532 Phenom II X2 555 4,246
-0.3%

View full ranking →

Workload Scores

Performance scores grouped by workload type, normalized and aggregated from multiple raw benchmark results.

Number Crunching

Aggregated score for Athlon II X3 450 based on integer math, floating point math, and prime number computation benchmarks.

4,507 Rank: 1480
Rank Name Score Visual
1476 Xeon E5320 4,508
+0%
1477 A8-4555M 4,508
+0%
1478 Core i5-460M 4,508
+0%
1479 Pentium G640 4,507
+0%
1480 Athlon II X3 450 4,507
1481 Core M-5Y10 4,507
+0%
1482 A8-3510MX 4,507
+0%
1483 Celeron G1610T 4,507
+0%
1484 Core i3-2348M 4,506
+-0%
1485 Athlon II X3 445 4,506
+-0%

View full ranking →

Data Processing

Aggregated score for Athlon II X3 450 based on data encryption, data compression, and string sorting benchmarks.

4,509 Rank: 1276
Rank Name Score Visual
1272 Pentium G3470 4,509
+0%
1273 Core i7-5500U 4,509
+0%
1274 Core i7-4600U 4,509
+0%
1275 Core i7-3667U 4,509
+0%
1276 Athlon II X3 450 4,509
1277 Xeon X3220 4,509
+0%
1278 Core i5-5350U 4,509
+0%
1279 Pentium G4520 4,508
+-0%
1280 Core i3-6157U 4,508
+-0%
1281 Core i3-2100 4,508
+-0%

View full ranking →

Physics & Compute

Aggregated score for Athlon II X3 450 based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

4,488 Rank: 1482
Rank Name Score Visual
1478 Celeron G1610T 4,489
+0%
1479 Phenom II X3 B73 4,489
+0%
1480 Phenom II X3 700e 4,489
+0%
1481 Celeron 3955U 4,488
+0%
1482 Athlon II X3 450 4,488
1483 Xeon W3505 4,488
+0%
1484 A8-7100 4,488
+0%
1485 Core i3-4012Y 4,488
+0%
1486 Core i5-540M 4,488
+0%
1487 Core i5-460M 4,488
+0%

View full ranking →

Athlon II X3 450 Details

The AMD Athlon II X3 450 stands as a notable entry in AMD's early 2010s desktop processor lineup, representing a shift toward multi-core performance in budget and mainstream segments. While now considered a legacy part, it was launched in September 2010 and has since been superseded by generations of more advanced designs. As of early 2026, the Athlon II X3 450 is a product of a bygone era, offering performance that reflects the state of consumer computing over a decade ago. Its relevance today lies primarily in niche retro builds or low-cost systems where power efficiency and cost are more critical than raw speed.

Built on the Rana microarchitecture and fabricated on a 45 nm process, the Athlon II X3 450 features three cores with a base clock of 3.2 GHz and a maximum turbo frequency of 2.8 GHz. Despite its triple-core design, the processor supports up to four threads, thanks to AMD's Simultaneous Multithreading (SMT) technology, which allows each core to handle two threads simultaneously. This enables the CPU to deliver better multitasking performance than its dual-core predecessors. The processor operates on the Socket AM3 platform, with support for DDR3 memory running at speeds up to 1600 MHz in dual-channel mode, providing a memory bandwidth of 25.6 GB/s. It is packaged in a µPGA form factor with a TDP of 95 W, requiring adequate cooling for stable operation under load.

The Athlon II X3 450 includes 512 KB of L2 cache per core, totaling 1.5 MB, and lacks an L3 cache. It supports a range of instruction sets including SSE, SSE2, SSE3, SSE4.1, SSE4.2, and AVX2, along with virtualization features such as AMD-V and enhanced SpeedStep (EIST). While the processor does not include integrated graphics, certain motherboards with compatible chipsets can provide this functionality through the chipset. This makes the Athlon II X3 450 a flexible choice for systems where discrete graphics are used.

In benchmark testing, the Athlon II X3 450 achieves an overall score of 4257, placing it at rank #1580 out of 2060 processors. Its single-core performance scores 4257, ranking #1527, while its multicore score of 4256 places it at #1887. These results show that the processor is competitive with several other mid-tier CPUs from the same era, particularly in single-threaded workloads. However, its performance lags significantly behind modern processors, as evidenced by its position well below the top 50 in any category. In comparison, leading CPUs like the Ryzen Threadripper PRO 9995WX score over 9,000 in overall benchmarks, highlighting the vast technological leap that has occurred.

The Athlon II X3 450 is best suited for legacy systems, entry-level desktops, or tasks that do not require high computational power. Its integrated graphics support via motherboard chipsets makes it a viable option for basic multimedia and office use. While it lacks modern features like advanced power management or high-speed interconnects, it remains a cost-effective solution for users who prioritize affordability and compatibility over cutting-edge performance. As of February 2026, it serves as a reminder of AMD's early steps toward multi-core mainstream computing, a journey that has since evolved into today’s powerful and efficient processors.
Frequently Compared

AMD Ryzen 5 3500X 5 views

Intel Xeon Silver 4114 5 views

Intel Xeon Silver 4210 3 views

AMD Ryzen Threadripper 1950X 3 views

AMD Ryzen 3 PRO 2200GE 2 views

AMD Ryzen 9 PRO 3900 2 views

AMD Ryzen 5 PRO 3500U 2 views

Intel Xeon Silver 4116T 2 views

AMD Ryzen Threadripper 2990WX 2 views

Intel Core i7-7600U 1 view

AMD Athlon II X3 450

Main Specifications

Designer: AMD
Name: Athlon II X3 450
Model Number: i5-3427U
Cores: 2
Threads: 4
Base Frequency: 1800 MHz
Clock Multiplier: 16x (locked)
Core Name: Rana
Socket: FCBGA1023
Package: µPGA
Target Segment: Desktop
Max CPUs: 1
TDP: 17 W

Cache Specifications

L1 Cache: 124.928 KiB
L2 Cache: 0.488 MiB

Memory Specifications

Supported Memory Type: DDR3/L/-RS 1333/1600
Memory Channels: 2
Maximum Memory: 0 GB
Maximum Bandwidth: 25.6 GB/s
ECC Support: No

PCI-Express Specifications

PCIe Revision: 2.0
PCIe Lanes: 1
PCIe Configuration: 1x16, 2x8, 1x8 2x4

Integrated Graphics

GPU: HD Graphics 4000
GPU Designer: Intel
GPU Max Frequency: 1150 MHz

Physical Specifications

Process: 22 nm
Die Area: 169 mm²
Transistor Count: 0.00 billion
Word Size: 64-bit

CPU Features

MMX SSE SSE2 SSE3 SSE4.1 SSE4.2 AVX2 AES x86-64 HT EIST TXT vPro VT-x VT-d EPT Secure Key SMEP SIPP IPT SSE4a AMD-V TSX Flex Memory FMA 3DNow!
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