Pentium 3556U

Details and Benchmarks for Intel Pentium 3556U

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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 Pentium 3556U based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

4,123 Rank: 1779
Rank Name Score Visual
1775 A8-4500M 4,126
+0.1%
1776 Celeron E3200 4,126
+0.1%
1777 Core 2 Duo E7400 4,125
+0%
1778 Core 2 Duo T6500 4,123
+0%
1779 Pentium 3556U 4,123
1780 Core 2 Duo P7450 4,121
+-0%
1781 Pentium E5200 4,120
-0.1%
1782 Core 2 Duo T6400 4,119
-0.1%
1783 A10-7400P 4,118
-0.1%
1784 Core 2 Duo P9300 4,117
-0.1%

View full ranking →

Multicore Score

Multicore performance score for Pentium 3556U based on multi-threaded benchmark results.

4,299 Rank: 1758
Rank Name Score Visual
1754 A4-4020 4,300
+0%
1755 A6-5400K 4,299
+0%
1756 Pentium E6300 4,299
+0%
1757 Celeron N2940 4,299
+0%
1758 Pentium 3556U 4,299
1759 Athlon II X2 240e 4,299
+0%
1760 E2-6110 4,299
+0%
1761 Core 2 Duo P9600 4,298
+-0%
1762 A4-6210 4,298
+-0%
1763 Sempron 3850 4,298
+-0%

View full ranking →

Singlecore Score

Single-core performance score for Pentium 3556U based on single-threaded benchmark results.

4,006 Rank: 1764
Rank Name Score Visual
1760 Core 2 Duo P7550 4,012
+0.1%
1761 A6-7310 4,011
+0.1%
1762 Celeron 3755U 4,010
+0.1%
1763 A8-3530MX 4,008
+0%
1764 Pentium 3556U 4,006
1765 Core i5-4210Y 4,005
+-0%
1766 Intel Core i5-520M 4,001
-0.1%
1767 A8-3510MX 3,996
-0.2%
1768 Xeon D-1518 3,995
-0.3%
1769 Xeon E5504 3,995
-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 Pentium 3556U based on integer math, floating point math, and prime number computation benchmarks.

4,498 Rank: 1543
Rank Name Score Visual
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
1544 A6-3430MX 4,498
+0%
1545 Pentium 4405Y 4,497
+-0%
1546 Pentium B980 4,497
+-0%
1547 Pentium B970 4,497
+-0%
1548 Core i5-2467M 4,497
+-0%

View full ranking →

Data Processing

Aggregated score for Pentium 3556U based on data encryption, data compression, and string sorting benchmarks.

4,451 Rank: 1653
Rank Name Score Visual
1649 Celeron 2980U 4,452
+0%
1650 A6-1450 4,452
+0%
1651 Core i3-2367M 4,451
+0%
1652 Celeron 1000M 4,451
+0%
1653 Pentium 3556U 4,451
1654 Pentium B940 4,450
+-0%
1655 Celeron 1037U 4,450
+-0%
1656 A6-9200 4,450
+-0%
1657 Pentium T4400 4,450
+-0%
1658 Core i3-2365M 4,449
+-0%

View full ranking →

Physics & Compute

Aggregated score for Pentium 3556U based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

4,478 Rank: 1557
Rank Name Score Visual
1553 Phenom II X2 550 4,478
+0%
1554 A6-7310 4,478
+0%
1555 Celeron 1037U 4,478
+0%
1556 A6-5200 4,478
+0%
1557 Pentium 3556U 4,478
1558 A6-3430MX 4,478
+0%
1559 Phenom II X2 B55 4,478
+0%
1560 Celeron 3965Y 4,477
+-0%
1561 A4-7210 4,477
+-0%
1562 Xeon E5320 4,477
+-0%

View full ranking →

Pentium 3556U Details

Ranked #1755 in multicore performance and #1764 in single-core performance out of 2060 processors, the Intel Pentium 3556U presents a modest performance profile by modern standards. With an overall score of 4123, it places just below the top 10% of processors in its benchmark database, trailing behind contemporaries like the Celeron 3865U and A8-4500M, yet outperforming older dual-core designs such as the Core 2 Duo P7450. As of March 2026, this mobile processor is over a decade old, having been released in September 2013, and reflects the capabilities of Intel's Haswell architecture during a transitional period in mobile computing.

The Pentium 3556U is built on a 22 nm process and features a dual-core design with a base clock of 1.7 GHz and no simultaneous multithreading, limiting its ability to scale efficiently under multi-threaded workloads. It includes 2 MB of L3 cache, 0.061 MiB of L1 cache, and 0.244 MiB of L2 cache, which, while adequate for its era, are insufficient by today’s standards. The processor operates at a 15 W TDP, making it suitable for low-power laptops and portable devices where thermal constraints are a primary concern. It uses the BGA1168 package and supports DDR3 memory, with a maximum capacity and bandwidth constrained by the technology of the time.

Integrated graphics are provided via Intel HD, though specific details on GPU frequency or display outputs are not included. Despite the lack of discrete GPU support, the processor includes essential virtualization features such as VT-x, enhancing its utility in lightweight virtualized environments. It also supports a range of Intel instruction sets including MMX, SSE, and SSE4.2, ensuring compatibility with older software and applications.

In benchmarking, the Pentium 3556U achieves a Passmark Number Crunching score of 4498, a Data Processing score of 4451, and a Physics Compute score of 4478—modest results that reflect its position as a budget-oriented processor. It is outpaced by nearly every modern CPU, even in the mobile segment, and is most comparable to low-end Intel Celerons and AMD A-series processors from the same era. While it may still function in basic productivity tasks or light multimedia use, its age and performance limitations make it unsuitable for demanding applications or modern operating systems.

Given its release over a decade ago, the Pentium 3556U is best suited for legacy systems, embedded applications, or as a replacement in older laptops where performance and power efficiency are prioritized over raw computational power. For contemporary users, it serves as a reminder of how far processor technology has advanced in just a few years.
Frequently Compared

AMD Ryzen 5 3500X 3 views

AMD Athlon II X2 270 3 views

AMD A10-7400P 2 views

AMD Ryzen 9 PRO 3900 2 views

AMD A8-7200P 2 views

AMD A10-4600M 2 views

AMD Ryzen 7 PRO 2700 2 views

Intel Celeron G530 2 views

Intel Core 2 Duo E8600 2 views

AMD Phenom 9750 2 views

Intel Pentium 3556U

Main Specifications

Designer: Intel
Name: Pentium 3556U
Cores: 2
Threads: 2
Base Frequency: 1700 MHz
Clock Multiplier: 17x (locked)
Core Name: Haswell
Socket: BGA1168
Package: FC-BGA1168
Target Segment: Mobile
TDP: 15 W

Cache Specifications

L1 Cache: 62.464 KiB
L2 Cache: 0.244 MiB
L3 Cache: 1.907 MiB

Memory Specifications

Supported Memory Type: DDR3

Physical Specifications

Process: 22 nm
Die Area: 118 mm²
Manufacturer: Intel

CPU Features

MMX SSE SSE2 SSE3 SSSE3 SSE4.1 SSE4.2 EIST VT-x
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