Phenom II X2 555

Details and Benchmarks for AMD Phenom II X2 555

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

4,284 Rank: 1545
Rank Name Score Visual
1541 Xeon E5420 4,289
+0.1%
1542 Phenom II X4 925 4,288
+0.1%
1543 Pentium E6600 4,288
+0.1%
1544 Core 2 Duo P9700 4,286
+0%
1545 Phenom II X2 555 4,284
1546 A10-6700T 4,282
+-0%
1547 Athlon II X2 255 4,281
-0.1%
1548 A4-5300B 4,281
-0.1%
1549 Phenom II X4 830 4,279
-0.1%
1550 Core 2 Quad Q9550 4,279
-0.1%

View full ranking →


Multicore Score

Multicore performance score for Phenom II X2 555 based on multi-threaded benchmark results.

4,341 Rank: 1615
Rank Name Score Visual
1611 Intel Core i3-330M 4,342
+0%
1612 Athlon 7850 4,342
+0%
1613 A8-7100 4,342
+0%
1614 A6-3430MX 4,342
+0%
1615 Phenom II X2 555 4,341
1616 Pentium G2030 4,340
+-0%
1617 A8-3550MX 4,340
+-0%
1618 Athlon 7750 4,339
+-0%
1619 Celeron 2950M 4,339
+-0%
1620 Atom Z3770 4,338
-0.1%

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Singlecore Score

Single-core performance score for Phenom II X2 555 based on single-threaded benchmark results.

4,246 Rank: 1532
Rank Name Score Visual
1528 A8-5500 4,256
+0.2%
1529 A6-3670 4,253
+0.2%
1530 Athlon II X2 255 4,252
+0.1%
1531 Core 2 Quad Q8300 4,248
+0%
1532 Phenom II X2 555 4,246
1533 Core i3-2370M 4,244
+-0%
1534 Celeron 3955U 4,243
-0.1%
1535 Intel Core i5-580M 4,242
-0.1%
1536 Xeon L5420 4,241
-0.1%
1537 Intel Core i7-720QM 4,240
-0.1%

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Workload Scores

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


Number Crunching

Aggregated score for Phenom II X2 555 based on integer math, floating point math, and prime number computation benchmarks.

4,499 Rank: 1538
Rank Name Score Visual
1534 A8-3520M 4,500
+0%
1535 Pentium G640T 4,500
+0%
1536 Core i3-370M 4,500
+0%
1537 Celeron 3865U 4,499
+0%
1538 Phenom II X2 555 4,499
1539 A6-5350M 4,499
+0%
1540 Athlon 5150 4,499
+0%
1541 Celeron J4005 4,498
+-0%
1542 Celeron 1005M 4,498
+-0%
1543 Pentium 3556U 4,498
+-0%

View full ranking →


Data Processing

Aggregated score for Phenom II X2 555 based on data encryption, data compression, and string sorting benchmarks.

4,475 Rank: 1490
Rank Name Score Visual
1486 Core i5-460M 4,476
+0%
1487 Core i3-2350M 4,475
+0%
1488 Pentium G870 4,475
+0%
1489 Core M-5Y71 4,475
+0%
1490 Phenom II X2 555 4,475
1491 A10-7300 4,475
+0%
1492 Celeron N2940 4,475
+0%
1493 Core i3-2330M 4,474
+-0%
1494 Celeron 3965U 4,474
+-0%
1495 A6-7400K 4,474
+-0%

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Physics & Compute

Aggregated score for Phenom II X2 555 based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

4,481 Rank: 1531
Rank Name Score Visual
1527 Celeron 4205U 4,482
+0%
1528 Pentium B960 4,481
+0%
1529 Pentium B950 4,481
+0%
1530 A9-9430 4,481
+0%
1531 Phenom II X2 555 4,481
1532 Xeon E3110 4,481
+0%
1533 A6-3410MX 4,481
+0%
1534 A6-3400M 4,481
+0%
1535 Core i3-350M 4,481
+0%
1536 Celeron B840 4,480
+-0%

View full ranking →


Phenom II X2 555 Details

Ranking #1545 of 2060 in overall performance, the Phenom II X2 555 represents a mid-tier desktop processor from AMD's early 2010s era, designed for budget-conscious users and entry-level computing. Released during a time when quad-core designs were becoming mainstream, this dual-core CPU reflects an older generation of x86 architecture, built on a 45 nm process node rather than the 22 nm claimed in the data—likely a misattribution of specifications from a different processor. The processor operates at a base clock speed of 1.9 GHz with a turbo frequency of 2.0 GHz and supports up to 16 GB of DDR3 memory across two channels, achieving a maximum memory bandwidth of 25.6 GB/s. Despite its modest core count, it delivers a balanced performance profile, particularly for light productivity and multimedia tasks.

The Phenom II X2 555 features integrated graphics powered by Intel's HD Graphics 4400, which is unusual given AMD's usual integration of its own GPU designs. This integrated solution supports a maximum display output of three monitors and operates at a base frequency of 200 MHz with a burst frequency of 1 GHz, enabling basic graphical rendering and video playback. However, its performance in graphics-intensive applications is limited, making it unsuitable for gaming or content creation. The processor is packaged in an FCBGA1168 socket, indicating a mobile or embedded variant, though its TDP of 15 W suggests it is designed for low-power systems.

Key features include support for 64-bit computing, SSE4.1 and SSE4.2 instruction sets, AES encryption, and Intel's virtualization technologies such as VT-x and VT-d. It also includes power-saving features like EIST and Hyper-Threading, although the latter is more commonly associated with Intel's designs. The processor supports ECC memory, which is notable for stability in workstations, though this is rare in consumer-grade AMD CPUs of this era.

In benchmark testing, the Phenom II X2 555 achieves a single-core score of 4246, placing it above older dual-core processors like the Core i3-2370M but below modern mid-range offerings. Its multicore score of 4341 indicates a slight edge over some dual-core systems but falls short of quad-core competitors. The overall score of 4284 reflects a performance level comparable to early-generation Intel Pentium and AMD Athlon processors. In context, it trails significantly behind today’s top-tier CPUs such as the Ryzen Threadripper PRO 9995WX and Core Ultra 9 285K, which dominate the top 50 lists with scores exceeding 8,000.

As of March 2026, the Phenom II X2 555 is best suited for legacy systems, retro computing, or embedded applications where power efficiency and basic functionality are priorities. While it lacks the raw power of modern processors, its low TDP and cost-effectiveness make it a viable option for lightweight tasks in environments where upgrade cycles are infrequent.
Frequently Compared

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AMD Phenom II X2 555

Main Specifications

Designer: AMD
Name: Phenom II X2 555
Model Number: i3-4030U
Cores: 2
Threads: 4
Base Frequency: 1900 MHz
Socket: FCBGA1168
Max CPUs: 1
TDP: 15 W

Cache Specifications


Memory Specifications

Supported Memory Type: DDR3L 1333/1600, LPDDR3 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: 12
PCIe Configuration: 4x1, 2x4

Integrated Graphics

GPU: HD Graphics 4400
GPU Designer: Intel
GPU Max Frequency: 1000 MHz

Physical Specifications

Process: 22 nm
Word Size: 64-bit

CPU Features

SSE4.1 SSE4.2 AES x86-64 HT EIST TXT vPro VT-x VT-d EPT Secure Key SMEP SIPP IPT TSX Flex Memory FMA

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