Pentium 3556U vs Xeon X3440

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Aggregate performance score

Xeon X3440
2009
4 cores / 8 threads, 95 Watt
1.75
+161%
Pentium 3556U
2013
2 cores / 2 threads, 15 Watt
0.67

Xeon X3440 outperforms Pentium 3556U by a whopping 161% based on our aggregate benchmark results.

Primary details

Comparing Xeon X3440 and Pentium 3556U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking20252733
Place by popularitynot in top-100not in top-100
Market segmentServerLaptop
Seriesno dataIntel Pentium
Power efficiency1.744.23
Architecture codenameno dataHaswell (2013−2015)
Release date1 July 2009 (15 years ago)1 September 2013 (11 years ago)

Detailed specifications

Xeon X3440 and Pentium 3556U basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores4 (Quad-Core)2 (Dual-core)
Threads82
Base clock speed2.53 GHz1.7 GHz
Boost clock speed2.93 GHz1.7 GHz
Bus rateno data5 GT/s
L1 cacheno data64K (per core)
L2 cacheno data256K (per core)
L3 cache8 MB Intel® Smart Cache2 MB (shared)
Chip lithography45 nm22 nm
Die sizeno data118 mm2
Maximum core temperature73 °C100 °C
Maximum case temperature (TCase)no data105 °C
Number of transistorsno data1,400 million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Xeon X3440 and Pentium 3556U compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration11
SocketFCLGA1156,LGA1156FCBGA1168
Power consumption (TDP)95 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon X3440 and Pentium 3556U. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.2Intel® SSE4.1, Intel® SSE4.2
Enhanced SpeedStep (EIST)++
Turbo Boost Technology1.0-
Hyper-Threading Technology+-
Idle States++
Thermal Monitoring-+
Smart Responseno data-
Demand Based Switching+no data
PAE36 Bitno data
GPIOno data+
Smart Connectno data+
FDIno data-
AMTno data9.5
Matrix Storageno data-
HD Audiono data+
RSTno data+

Security technologies

Xeon X3440 and Pentium 3556U technologies aimed at improving security, for example, by protecting against hacks.

TXT+-
EDB++
Secure Keyno data+
OS Guardno data-
Anti-Theftno data-

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon X3440 and Pentium 3556U are enumerated here.

AMD-V-+
VT-d+-
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon X3440 and Pentium 3556U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3-800, DDR3-1066, DDR3-1333DDR3
Maximum memory size32 GB16 GB
Max memory channels22
Maximum memory bandwidth21 GB/s25.6 GB/s
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel® HD Graphics for 4th Generation Intel® Processors
Clear Videono data+
Graphics max frequencyno data1 GHz

Graphics interfaces

Available interfaces and connections of Xeon X3440 and Pentium 3556U integrated GPUs.

Number of displays supportedno data3
eDPno data+
DisplayPort-+
HDMI-+

Peripherals

Specifications and connection of peripherals supported by Xeon X3440 and Pentium 3556U.

PCIe version2.02.0
PCI Express lanes1610
PCI supportno data-
USB revisionno data3.0
Total number of SATA portsno data2
Max number of SATA 6 Gb/s Portsno data2
Integrated IDEno data-
Number of USB portsno data4
Integrated LANno data-
UARTno data+

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Xeon X3440 1.75
+161%
Pentium 3556U 0.67

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Xeon X3440 2773
+161%
Pentium 3556U 1061

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Xeon X3440 381
+26.2%
Pentium 3556U 302

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Xeon X3440 1187
+141%
Pentium 3556U 493

Gaming performance

Pros & cons summary


Performance score 1.75 0.67
Recency 1 July 2009 1 September 2013
Physical cores 4 2
Threads 8 2
Chip lithography 45 nm 22 nm
Power consumption (TDP) 95 Watt 15 Watt

Xeon X3440 has a 161.2% higher aggregate performance score, and 100% more physical cores and 300% more threads.

Pentium 3556U, on the other hand, has an age advantage of 4 years, a 104.5% more advanced lithography process, and 533.3% lower power consumption.

The Xeon X3440 is our recommended choice as it beats the Pentium 3556U in performance tests.

Be aware that Xeon X3440 is a server/workstation processor while Pentium 3556U is a notebook one.


Should you still have questions on choice between Xeon X3440 and Pentium 3556U, ask them in Comments section, and we shall answer.

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Intel Xeon X3440
Xeon X3440
Intel Pentium 3556U
Pentium 3556U

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Community ratings

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Questions & comments

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