Pentium U5400 vs i5-520M

VS

Aggregate performance score

Core i5-520M
2010
2 cores / 4 threads, 35 Watt
1.08
+209%
Pentium U5400
2010
2 cores / 2 threads, 18 Watt
0.35

Core i5-520M outperforms Pentium U5400 by a whopping 209% based on our aggregate benchmark results.

Primary details

Comparing Core i5-520M and Pentium U5400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking24163062
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Core i5Intel Pentium
Power efficiency2.901.83
Architecture codenameArrandale (2010−2011)Arrandale (2010−2011)
Release date7 January 2010 (14 years ago)25 May 2010 (14 years ago)
Launch price (MSRP)$225no data

Detailed specifications

Core i5-520M and Pentium U5400 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 cores2 (Dual-core)2 (Dual-core)
Threads42
Base clock speed2.4 GHz1.2 GHz
Boost clock speed2.93 GHz1.2 GHz
Bus typeDMI 1.0DMI 1.0
Bus rate1 × 2.5 GT/s1 × 2.5 GT/s
Multiplier189
L1 cache128 KB64K (per core)
L2 cache512 KB256K (per core)
L3 cache3 MB3 MB (shared)
Chip lithography32 nm32 nm
Die size81+114 mm281+114 mm2
Maximum core temperature105 °C105 °C
Number of transistors382+177 Million384 million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Core i5-520M and Pentium U5400 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 configuration1 (Uniprocessor)1 (Uniprocessor)
SocketBGA1288,PGA988BGA1288
Power consumption (TDP)35 Watt18 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-520M and Pentium U5400. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2no data
AES-NI+-
FMA++
vPro+no data
Enhanced SpeedStep (EIST)++
Turbo Boost Technology+-
Hyper-Threading Technology+-
Idle States++
Thermal Monitoring++
Flex Memory Access++
PAE36 Bit36 Bit
FDI++
Fast Memory Access++

Security technologies

Core i5-520M and Pentium U5400 technologies aimed at improving security, for example, by protecting against hacks.

TXT+-
EDB++

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-520M and Pentium U5400 are enumerated here.

VT-d+-
VT-x+-
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-520M and Pentium U5400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3-800, DDR3-1066DDR3
Maximum memory size8.3 GB8 GB
Max memory channels22
Maximum memory bandwidth17.051 GB/s12.799 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics for Previous Generation Intel ProcessorsIntel HD Graphics for Previous Generation Intel Processors
Clear Video++
Clear Video HD+no data
Graphics max frequency766 MHz500 MHz

Graphics interfaces

Available interfaces and connections of Core i5-520M and Pentium U5400 integrated GPUs.

Number of displays supported22

Peripherals

Specifications and connection of peripherals supported by Core i5-520M and Pentium U5400.

PCIe version2.02.0
PCI Express lanes1616

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.

i5-520M 1.08
+209%
Pentium U5400 0.35

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.

i5-520M 1719
+211%
Pentium U5400 552

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.

i5-520M 3046
+137%
Pentium U5400 1286

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.

i5-520M 6753
+160%
Pentium U5400 2599

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.

i5-520M 2729
+142%
Pentium U5400 1126

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

i5-520M 19.99
+179%
Pentium U5400 55.75

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.

i5-520M 2
+178%
Pentium U5400 1

Gaming performance

Pros & cons summary


Performance score 1.08 0.35
Recency 7 January 2010 25 May 2010
Threads 4 2
Power consumption (TDP) 35 Watt 18 Watt

i5-520M has a 208.6% higher aggregate performance score, and 100% more threads.

Pentium U5400, on the other hand, has an age advantage of 4 months, and 94.4% lower power consumption.

The Core i5-520M is our recommended choice as it beats the Pentium U5400 in performance tests.


Should you still have questions on choice between Core i5-520M and Pentium U5400, ask them in Comments section, and we shall answer.

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Intel Core i5-520M
Core i5-520M
Intel Pentium U5400
Pentium U5400

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Community ratings

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