Pentium Gold G6405 vs i5-8259U

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Aggregate performance score

Core i5-8259U
2018
4 cores / 8 threads, 28 Watt
5.15
+85.9%

Core i5-8259U outperforms Pentium Gold G6405 by an impressive 86% based on our aggregate benchmark results.

Primary details

Comparing Core i5-8259U and Pentium Gold G6405 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking12161700
Place by popularitynot in top-100not in top-100
Market segmentLaptopDesktop processor
SeriesIntel Core i5no data
Power efficiency16.774.35
Architecture codenameCoffee Lake-U (2018−2019)Comet Lake-R (2021)
Release date2 April 2018 (6 years ago)16 March 2021 (3 years ago)
Launch price (MSRP)$320$64

Detailed specifications

Core i5-8259U and Pentium Gold G6405 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)
Threads84
Base clock speed2.3 GHz4.1 GHz
Boost clock speed3.8 GHz4.1 GHz
Bus typeOPIno data
Bus rate4 GT/s8 GT/s
Multiplier23no data
L1 cache256 KB64 KB (per core)
L2 cache1 MB256 KB (per core)
L3 cache6 MB (shared)4 MB (shared)
Chip lithography14 nm14 nm
Die size126 mm2no data
Maximum core temperature100 °C100 °C
Maximum case temperature (TCase)72 °C72 °C
64 bit support++
Windows 11 compatibility++

Compatibility

Information on Core i5-8259U and Pentium Gold G6405 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
SocketFCBGA1528FCLGA1200
Power consumption (TDP)28 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-8259U and Pentium Gold G6405. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2Intel® SSE4.1, Intel® SSE4.2
AES-NI++
AVX++
Enhanced SpeedStep (EIST)++
eDRAM128 MBno data
Speed Shift+no data
My WiFi+no data
Turbo Boost Technology2.0-
Hyper-Threading Technology++
Idle States++
Thermal Monitoring++
Flex Memory Access+no data
Turbo Boost Max 3.0no data-

Security technologies

Core i5-8259U and Pentium Gold G6405 technologies aimed at improving security, for example, by protecting against hacks.

TXT-+
EDB++
Secure Key++
MPX+-
Identity Protection++
SGXYes with Intel® MEYes with Intel® ME
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-8259U and Pentium Gold G6405 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-8259U and Pentium Gold G6405. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4-2666
Maximum memory size32 GB128 GB
Max memory channels22
Maximum memory bandwidth38.397 GB/s41.6 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel Iris Plus Graphics 655Intel UHD Graphics 610
Max video memory32 GB64 GB
Quick Sync Video++
Clear Video++
Clear Video HD++
Graphics max frequency1.05 GHz1.05 GHz
InTru 3D++

Graphics interfaces

Available interfaces and connections of Core i5-8259U and Pentium Gold G6405 integrated GPUs.

Number of displays supported33
eDP+no data
DisplayPort+-
HDMI+-
DVI+no data

Graphics image quality

Maximum display resolutions supported by Core i5-8259U and Pentium Gold G6405 integrated GPUs, including resolutions over different interfaces.

4K resolution support++
Max resolution over HDMI 1.44096x2304@30Hz4096x2160@30Hz
Max resolution over eDP4096x2304@60Hz4096x2304@60Hz
Max resolution over DisplayPort4096x2304@60Hz4096x2304@60Hz

Graphics API support

APIs supported by Core i5-8259U and Pentium Gold G6405 integrated GPUs, sometimes API versions are included.

DirectX1212
OpenGL4.54.5

Peripherals

Specifications and connection of peripherals supported by Core i5-8259U and Pentium Gold G6405.

PCIe version3.03.0
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.

i5-8259U 5.15
+85.9%
Pentium Gold G6405 2.77

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.

i5-8259U 7879
+85.7%
Pentium Gold G6405 4244

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.

i5-8259U 1236
+46.6%
Pentium Gold G6405 843

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.

i5-8259U 4098
+138%
Pentium Gold G6405 1719

Gaming performance

Pros & cons summary


Performance score 5.15 2.77
Integrated graphics card 4.49 1.89
Recency 2 April 2018 16 March 2021
Physical cores 4 2
Threads 8 4
Power consumption (TDP) 28 Watt 15 Watt

i5-8259U has a 85.9% higher aggregate performance score, 137.6% faster integrated GPU, and 100% more physical cores and 100% more threads.

Pentium Gold G6405, on the other hand, has an age advantage of 2 years, and 86.7% lower power consumption.

The Core i5-8259U is our recommended choice as it beats the Pentium Gold G6405 in performance tests.

Be aware that Core i5-8259U is a notebook processor while Pentium Gold G6405 is a desktop one.


Should you still have questions on choice between Core i5-8259U and Pentium Gold G6405, ask them in Comments section, and we shall answer.

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Intel Core i5-8259U
Core i5-8259U
Intel Pentium Gold G6405
Pentium Gold G6405

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Community ratings

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Questions & comments

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