Phenom II X2 545

Details and Benchmarks for AMD Phenom II X2 545

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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 Phenom II X2 545 based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

4,260 Rank: 1574
Rank Name Score Visual
1570 Athlon II X3 440 4,265
+0.1%
1571 Pentium Silver N5000 4,264
+0.1%
1572 Core i3-2330M 4,261
+0%
1573 Core i5 M 520 4,261
+0%
1574 Phenom II X2 545 4,260
1575 Athlon II X3 445 4,259
+-0%
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%

View full ranking →

Multicore Score

Multicore performance score for Phenom II X2 545 based on multi-threaded benchmark results.

4,335 Rank: 1627
Rank Name Score Visual
1623 Core i5-4210Y 4,337
+0%
1624 Pentium G2010 4,336
+0%
1625 Celeron 3755U 4,336
+0%
1626 Core i3-5010U 4,335
+0%
1627 Phenom II X2 545 4,335
1628 Pentium E6700 4,334
+-0%
1629 Pentium E6500 4,334
+-0%
1630 Atom x5-Z8550 4,334
+-0%
1631 Pentium 2030M 4,334
+-0%
1632 Athlon 5350 4,334
+-0%

View full ranking →

Singlecore Score

Single-core performance score for Phenom II X2 545 based on single-threaded benchmark results.

4,210 Rank: 1567
Rank Name Score Visual
1563 Xeon W3503 4,213
+0.1%
1564 Core i3-2348M 4,212
+0%
1565 Athlon II X3 445 4,212
+0%
1566 Core 2 Duo E6750 4,211
+0%
1567 Phenom II X2 545 4,210
1568 Celeron J4025 4,210
+0%
1569 Athlon II X3 435 4,208
+-0%
1570 Xeon 5160 4,208
+-0%
1571 A10-5757M 4,203
-0.2%
1572 Core 2 Duo E7400 4,201
-0.2%

View full ranking →

Workload Scores

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

Number Crunching

Aggregated score for Phenom II X2 545 based on integer math, floating point math, and prime number computation benchmarks.

4,497 Rank: 1550
Rank Name Score Visual
1546 Pentium B980 4,497
+0%
1547 Pentium B970 4,497
+0%
1548 Core i5-2467M 4,497
+0%
1549 Celeron G540 4,497
+0%
1550 Phenom II X2 545 4,497
1551 A9-9400 4,497
+0%
1552 A6-3500 4,497
+0%
1553 Pentium 4410Y 4,497
+0%
1554 A8-3500M 4,497
+0%
1555 Pentium J2900 4,497
+0%

View full ranking →

Data Processing

Aggregated score for Phenom II X2 545 based on data encryption, data compression, and string sorting benchmarks.

4,470 Rank: 1531
Rank Name Score Visual
1527 Celeron G1620T 4,471
+0%
1528 Core i5-430M 4,471
+0%
1529 Pentium E6700 4,470
+0%
1530 Pentium E5800 4,470
+0%
1531 Phenom II X2 545 4,470
1532 Pentium E6600 4,470
+0%
1533 Core i3-380M 4,470
+0%
1534 Phenom X3 8550 4,470
+0%
1535 Celeron J4005 4,469
+-0%
1536 Celeron G550 4,469
+-0%

View full ranking →

Physics & Compute

Aggregated score for Phenom II X2 545 based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

4,476 Rank: 1571
Rank Name Score Visual
1567 A4-6300 4,476
+0%
1568 A9-9425 4,476
+0%
1569 A9-9420 4,476
+0%
1570 A9-9410 4,476
+0%
1571 Phenom II X2 545 4,476
1572 Pentium 2117U 4,476
+0%
1573 Pentium B940 4,475
+-0%
1574 A4-5300 4,475
+-0%
1575 Athlon 5150 4,475
+-0%
1576 Pentium 997 4,474
+-0%

View full ranking →

Phenom II X2 545 Details

As of March 2026, the AMD Phenom II X2 545 remains a relic of the late 2000s, having been launched in June 2009. While it was once a compelling option for budget-conscious desktop users seeking dual-core performance, its age is now a defining trait. With a 65 nm process and a 105 W TDP, it represents an era when power efficiency was a secondary concern to raw clock speeds. Despite its outdated architecture, the Phenom II X2 545 holds a modest position in the broader performance landscape, reflecting the rapid pace of technological advancement in the CPU market.

Built on AMD's Callisto microarchitecture, the Phenom II X2 545 is a desktop processor designed for Socket LGA775 systems. It features two cores with four threads, operating at a base frequency of 2.4 GHz and a turbo frequency of 2.0 GHz. The chip integrates 6 MB of L3 cache per core, which was considered generous at the time, though its performance is now limited by the lack of modern instruction set optimizations. The processor supports dual-channel DDR3 memory, with a maximum rated speed of 1333 MT/s and a theoretical bandwidth of 21.3 GB/s. Its 105 W TDP necessitates adequate cooling, particularly in systems without advanced thermal management.

The Phenom II X2 545’s benchmark scores reveal its current standing. It achieves an overall score of 4260, placing it at #1574 out of 2060 processors, with a single-core score of 4210 (#1567) and a multicore score of 4335 (#1626). These results indicate that while the processor can handle basic tasks, it struggles against modern CPUs, even in the lower tiers. For example, it is outperformed by the Core i3-2330M and the Athlon II X3 440, both of which were released in the early 2010s but offer superior efficiency and instruction set support. The performance gap is especially pronounced when compared to the top 50 processors, where scores exceed 7,000 and cores number in the dozens.

One notable limitation of the Phenom II X2 545 is its lack of integrated graphics, which was common for processors of its era. However, certain motherboards with compatible chipsets—such as those from the AMD 700, 800, and 900 series—can provide this functionality, making the CPU a viable option for basic multimedia use. The processor supports a range of technologies, including SSE, SSE2, SSE3, SSE4.1, SSE4.2, and AMD-V for virtualization, though it lacks modern features like AVX-512 or Intel’s TSX. Its 64-bit architecture ensures compatibility with contemporary operating systems, but its single-threaded performance is no longer competitive.

In summary, the Phenom II X2 545 is best suited for legacy systems, retro computing enthusiasts, or as a low-cost upgrade for older desktops where integrated graphics and basic productivity tasks are the primary focus. While it may still function in non-demanding environments, its performance and efficiency fall far short of modern standards. For users seeking a meaningful upgrade, even a mid-range processor from the last decade would offer a substantial improvement. As of 2026, the Phenom II X2 545 serves more as a historical artifact than a practical choice for mainstream computing.
Frequently Compared

AMD Ryzen 5 3500X 4 views

Intel Core i3-8145U 4 views

AMD Phenom 9750 3 views

Intel Celeron G530 2 views

AMD A8-7200P 2 views

AMD A10-5757M 2 views

Intel Core i3-4030U 2 views

Intel Core i5-5300U 2 views

Intel Core 2 Duo E8600 2 views

AMD Ryzen 7 PRO 2700X 2 views

AMD Phenom II X2 545

Main Specifications

Designer: AMD
Name: Phenom II X2 545
Model Number: Q6600
Cores: 4
Threads: 4
Base Frequency: 2400 MHz
Clock Multiplier: 15x (locked)
Core Name: Callisto
Socket: LGA775
Package: µPGA
Target Segment: Desktop
Max CPUs: 1
TDP: 105 W

Cache Specifications

L1 Cache: 124.928 KiB
L2 Cache: 0.488 MiB
L3 Cache: 5.722 MiB

Memory Specifications

Supported Memory Type: LPDDR3 1333/1600; DDR3L/DDR3L-RS 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: 12
PCIe Configuration: x1 (6), x2 (4), x4 (3)

Integrated Graphics

GPU: HD Graphics 5300
GPU Designer: Intel
GPU Max Frequency: 800 MHz

Physical Specifications

Process: 65 nm
Die Area: 258 mm²
Transistor Count: 0.00 billion
Manufacturer: GlobalFoundries
Word Size: 64-bit

CPU Features

MMX SSE SSE2 SSE3 SSE4.1 SSE4.2 ABM 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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