Pentium 3556U vs Phenom II X3 P820

Athlon II P320 Athlon II P340 Athlon II P360 Phenom II X3 N830 Phenom II X4 N930 Phenom II X4 N970 Phenom II X4 P960 Turion II P520 Turion II P540 V-Series V120 V-Series V140 V-Series V160
VS
Core i3-4000M Core i3-4005U Core i3-4010U Core i3-4030U Core i5-4200M Core i5-4200U Core i5-4210M Core i5-4210U Core i5-4300U Core i7-4510U Core i7-4700MQ Core i7-4720HQ

Aggregate performance score

Phenom II X3 P820
2010
3 cores / 3 threads, 25 Watt
0.68
Pentium 3556U
2013
2 cores / 2 threads, 15 Watt
0.68

Contents

Phenom II X3 P820 Phenom II X3 P820
Pentium 3556U Pentium 3556U

Primary details

Comparing Phenom II X3 P820 and Pentium 3556U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking27382731
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
Series3x AMD Phenom IIIntel Pentium
Power efficiency2.534.21
Architecture codenameChamplain (2010−2011)Haswell (2013−2015)
Release date12 May 2010 (14 years ago)1 September 2013 (11 years ago)

Detailed specifications

Phenom II X3 P820 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 cores3 (Tri-Core)2 (Dual-core)
Threads32
Base clock speedno data1.7 GHz
Boost clock speed1.8 GHz1.7 GHz
Bus rate3600 MHz5 GT/s
L1 cache384 KB64K (per core)
L2 cache1.5 MB256K (per core)
L3 cacheno data2 MB (shared)
Chip lithography45 nm22 nm
Die sizeno data118 mm2
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)no data105 °C
Number of transistorsno data1,400 million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Phenom II X3 P820 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 configurationno data1
SocketS1FCBGA1168
Power consumption (TDP)25 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Phenom II X3 P820 and Pentium 3556U. You'll probably need this information if you require some particular technology.

Instruction set extensionsVirtualization, AMD64, Advanced Virus Protection, SSE(1,2,3,4a)Intel® SSE4.1, Intel® SSE4.2
VirusProtect+-
Enhanced SpeedStep (EIST)no data+
Turbo Boost Technologyno data-
Hyper-Threading Technologyno data-
Idle Statesno data+
Thermal Monitoring-+
Smart Responseno data-
GPIOno data+
Smart Connectno data+
FDIno data-
AMTno data9.5
Matrix Storageno data-
HD Audiono data+
RSTno data+

Security technologies

Phenom II X3 P820 and Pentium 3556U technologies aimed at improving security, for example, by protecting against hacks.

TXTno data-
EDBno data+
Secure Keyno data+
OS Guardno data-
Anti-Theftno data-

Virtualization technologies

Virtual machine speed-up technologies supported by Phenom II X3 P820 and Pentium 3556U are enumerated here.

AMD-V++
VT-dno data-
VT-xno data+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Phenom II X3 P820 and Pentium 3556U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3
Maximum memory sizeno data16 GB
Max memory channelsno data2
Maximum memory bandwidthno data25.6 GB/s

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 Phenom II X3 P820 and Pentium 3556U integrated GPUs.

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

Peripherals

Specifications and connection of peripherals supported by Phenom II X3 P820 and Pentium 3556U.

PCIe versionno data2.0
PCI Express lanesno data10
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.

Phenom II X3 P820 0.68
Pentium 3556U 0.68

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

Phenom II X3 P820 1560
Pentium 3556U 2515
+61.3%

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

Phenom II X3 P820 4169
Pentium 3556U 4854
+16.4%

3DMark06 CPU

3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.

Phenom II X3 P820 2043
+5.4%
Pentium 3556U 1939

Cinebench 11.5 64-bit multi-core

Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.

Phenom II X3 P820 2
+7.7%
Pentium 3556U 1

Gaming performance

Pros & cons summary

Recency 12 May 2010 1 September 2013
Physical cores 3 2
Threads 3 2
Chip lithography 45 nm 22 nm
Power consumption (TDP) 25 Watt 15 Watt

Phenom II X3 P820 has 50% more physical cores and 50% more threads.

Pentium 3556U, on the other hand, has an age advantage of 3 years, a 104.5% more advanced lithography process, and 66.7% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between Phenom II X3 P820 and Pentium 3556U.

Should you still have questions on choice between Phenom II X3 P820 and Pentium 3556U, ask them in Comments section, and we shall answer.

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AMD Phenom II X3 P820
Phenom II X3 P820
Intel Pentium 3556U
Pentium 3556U
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Community ratings

Here you can see how users rate the processors, as well as rate them yourself.

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Questions & comments

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