i5-8265U vs Pentium 3558U

Aggregate performance score

Pentium 3558U
2014
2 cores / 2 threads, 15 Watt
0.66
Core i5-8265U
2018
4 cores / 8 threads, 15 Watt
3.81
+477%

Core i5-8265U outperforms Pentium 3558U by a whopping 477% based on our aggregate benchmark results.

Primary details

Comparing Pentium 3558U and Core i5-8265U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking27441472
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel PentiumIntel Core i5
Power efficiency4.0923.59
Architecture codenameHaswell (2013−2015)Whiskey Lake-U (2018−2019)
Release date1 January 2014 (10 years ago)28 August 2018 (6 years ago)
Launch price (MSRP)$161$297

Detailed specifications

Pentium 3558U and Core i5-8265U 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)4 (Quad-Core)
Threads28
Base clock speed1.7 GHz1.6 GHz
Boost clock speed1.7 GHz3.9 GHz
Bus typeno dataOPI
Bus rate5 GT/s4 GT/s
Multiplierno data16
L1 cache128 KB256 KB
L2 cache512 KB1 MB
L3 cache2 MB6 MB (shared)
Chip lithography22 nm14 nm
Die sizeno data123 mm2
Maximum core temperature100 °C100 °C
Maximum case temperature (TCase)no data72 °C
64 bit support++
Windows 11 compatibility-+

Compatibility

Information on Pentium 3558U and Core i5-8265U 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 (Uniprocessor)
SocketFCBGA1168FCBGA1528
Power consumption (TDP)15 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium 3558U and Core i5-8265U. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI-+
AVX-+
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
My WiFino data+
Turbo Boost Technology-2.0
Hyper-Threading Technology-+
Idle States++
Thermal Monitoring++
Flex Memory Accessno data+
Smart Response-+
GPIO+no data
Smart Connect+no data
FDI-no data
AMT9.5no data
Matrix Storage-no data
HD Audio+no data
RST+no data

Security technologies

Pentium 3558U and Core i5-8265U technologies aimed at improving security, for example, by protecting against hacks.

TXT--
EDB++
Secure Key++
Identity Protection-+
SGXno dataYes with Intel® ME
OS Guard-+
Anti-Theft-no data

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium 3558U and Core i5-8265U are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium 3558U and Core i5-8265U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR4
Maximum memory size16 GB64 GB
Max memory channels22
Maximum memory bandwidth25.6 GB/s38.397 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel® HD Graphics for 4th Generation Intel® ProcessorsIntel® UHD Graphics for 8th Generation Intel® Processors
Max video memoryno data32 GB
Quick Sync Video++
Clear Video++
Clear Video HD-+
Graphics max frequency1 GHz1.1 GHz

Graphics interfaces

Available interfaces and connections of Pentium 3558U and Core i5-8265U integrated GPUs.

Number of displays supported33
eDP++
DisplayPort++
HDMI++
DVIno data+

Graphics image quality

Maximum display resolutions supported by Pentium 3558U and Core i5-8265U integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.4no data4096x2304@24Hz
Max resolution over eDPno data4096x2304@60Hz
Max resolution over DisplayPortno data4096x2304@60Hz

Graphics API support

APIs supported by Pentium 3558U and Core i5-8265U integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by Pentium 3558U and Core i5-8265U.

PCIe version2.03.0
PCI Express lanes1016
PCI support-no data
USB revision3.0no data
Total number of SATA ports2no data
Max number of SATA 6 Gb/s Ports2no data
Integrated IDE-no data
Number of USB ports4no data
Integrated LAN-no data
UART+no 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.

Pentium 3558U 0.66
i5-8265U 3.81
+477%

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.

Pentium 3558U 1036
i5-8265U 5941
+473%

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.

Pentium 3558U 2510
i5-8265U 6082
+142%

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.

Pentium 3558U 4852
i5-8265U 19418
+300%

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.

Pentium 3558U 1926
i5-8265U 6316
+228%

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.

Pentium 3558U 46.24
i5-8265U 11.02
+320%

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.

Pentium 3558U 1
i5-8265U 6
+296%

Cinebench 15 64-bit multi-core

Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.

Pentium 3558U 129
i5-8265U 602
+366%

Cinebench 15 64-bit single-core

Cinebench R15 (standing for Release 15) is a benchmark made by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version (sometimes called Single-Thread) only uses a single processor thread to render a room full of reflective spheres and light sources.

Pentium 3558U 67
i5-8265U 159
+137%

Cinebench 11.5 64-bit single-core

Cinebench R11.5 is an old benchmark by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version loads a single thread with ray tracing to render a glossy room full of crystal spheres and light sources.

Pentium 3558U 0.74
i5-8265U 1.78
+141%

TrueCrypt AES

TrueCrypt is a discontinued piece of software that was widely used for on-the-fly-encryption of disk partitions, now superseded by VeraCrypt. It contains several embedded performance tests, one of them being TrueCrypt AES, which measures data encryption speed using AES algorithm. Result is encryption speed in gigabytes per second.

Pentium 3558U 0.1
i5-8265U 4.4
+3285%

x264 encoding pass 2

x264 Pass 2 is a slower variant of x264 video compression that produces a variable bit rate output file, which results in better quality since the higher bit rate is used when it is needed more. Benchmark result is still measured in frames per second.  

Pentium 3558U 9
i5-8265U 39
+331%

x264 encoding pass 1

x264 version 4.0 is a video encoding benchmark uses MPEG 4 x264 compression method to compress a sample HD (720p) video. Pass 1 is a faster variant that produces a constant bit rate output file. Its result is measured in frames per second, which means how many frames of the source video file were encoded per second.  

Pentium 3558U 49
i5-8265U 156
+219%

WinRAR 4.0

WinRAR 4.0 is an outdated version of a popular file archiver. It contains an internal speed test, using 'Best' setting of RAR compression on large chunks of randomly generated data. Its results are measured in kilobytes per second.

Pentium 3558U 1124
i5-8265U 3988
+255%

Geekbench 3 32-bit multi-core

Pentium 3558U 2592
i5-8265U 14002
+440%

Geekbench 3 32-bit single-core

Pentium 3558U 1468
i5-8265U 3679
+151%

Geekbench 2

Pentium 3558U 3127
i5-8265U 11639
+272%

Geekbench 4.0 64-bit multi-core

Pentium 3558U 3016
i5-8265U 14368
+376%

Geekbench 4.0 64-bit single-core

Pentium 3558U 1898
i5-8265U 4433
+134%

Gaming performance

Pros & cons summary


Performance score 0.66 3.81
Recency 1 January 2014 28 August 2018
Physical cores 2 4
Threads 2 8
Chip lithography 22 nm 14 nm

i5-8265U has a 477.3% higher aggregate performance score, an age advantage of 4 years, 100% more physical cores and 300% more threads, and a 57.1% more advanced lithography process.

The Core i5-8265U is our recommended choice as it beats the Pentium 3558U in performance tests.


Should you still have questions on choice between Pentium 3558U and Core i5-8265U, ask them in Comments section, and we shall answer.

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Intel Pentium 3558U
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