Pentium Gold G6405 vs Pentium Gold G5420

VS

Aggregate performance score

Pentium Gold G5420
2019
2 cores / 4 threads, 54 Watt
2.37
Pentium Gold G6405
2021
2 cores / 4 threads, 15 Watt
2.67
+12.7%

Pentium Gold G6405 outperforms Pentium Gold G5420 by a moderate 13% based on our aggregate benchmark results.

Primary details

Comparing Pentium Gold G5420 and Pentium Gold G6405 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking17941721
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation13.14no data
Market segmentDesktop processorDesktop processor
SeriesIntel Pentium Goldno data
Power efficiency4.154.35
Architecture codenameCoffee Lake (2017−2019)Comet Lake-R (2021)
Release date23 April 2019 (5 years ago)16 March 2021 (3 years ago)
Launch price (MSRP)$64$64

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Pentium Gold G5420 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 cores2 (Dual-core)2 (Dual-core)
Threads44
Base clock speed3.8 GHz4.1 GHz
Boost clock speed3.8 GHz4.1 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/s8 GT/s
L1 cache128 KB64 KB (per core)
L2 cache512 KB256 KB (per core)
L3 cache4 MB4 MB (shared)
Chip lithography14 nm14 nm
Die size126 mm2no data
Maximum core temperature100 °Cno data
Maximum case temperature (TCase)no data72 °C
64 bit support++
Windows 11 compatibility++

Compatibility

Information on Pentium Gold G5420 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
SocketFCLGA11511200
Power consumption (TDP)54 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium Gold G5420 and Pentium Gold G6405. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2no data
AES-NI++
AVX-+
Enhanced SpeedStep (EIST)++
Turbo Boost Technology-no data
Hyper-Threading Technology+no data
TSX-+
Idle States+no data
Thermal Monitoring+-

Security technologies

Pentium Gold G5420 and Pentium Gold G6405 technologies aimed at improving security, for example, by protecting against hacks.

TXT-+
EDB+no data
Secure Key+no data
MPX+-
Identity Protection+-
SGXYes with Intel® MEno data
OS Guard+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium Gold G5420 and Pentium Gold G6405 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium Gold G5420 and Pentium Gold G6405. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2400DDR4-2666
Maximum memory size64 GBno data
Max memory channels2no data
Maximum memory bandwidth38.397 GB/sno data
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel UHD Graphics 610Intel UHD Graphics 610
Max video memory64 GBno data
Quick Sync Video+-
Clear Video+no data
Clear Video HD+no data
Graphics max frequency1.05 GHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Pentium Gold G5420 and Pentium Gold G6405 integrated GPUs.

Number of displays supported3no data

Graphics image quality

Maximum display resolutions supported by Pentium Gold G5420 and Pentium Gold G6405 integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096x2304@24Hzno data
Max resolution over eDP4096x2304@60Hzno data
Max resolution over DisplayPort4096x2304@60Hzno data

Graphics API support

APIs supported by Pentium Gold G5420 and Pentium Gold G6405 integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Pentium Gold G5420 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.

Pentium Gold G5420 2.37
Pentium Gold G6405 2.67
+12.7%

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 Gold G5420 3764
Pentium Gold G6405 4244
+12.8%

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.

Pentium Gold G5420 749
Pentium Gold G6405 845
+12.8%

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.

Pentium Gold G5420 1517
Pentium Gold G6405 1725
+13.7%

Gaming performance

Pros & cons summary


Performance score 2.37 2.67
Recency 23 April 2019 16 March 2021
Power consumption (TDP) 54 Watt 15 Watt

Pentium Gold G6405 has a 12.7% higher aggregate performance score, an age advantage of 1 year, and 260% lower power consumption.

The Pentium Gold G6405 is our recommended choice as it beats the Pentium Gold G5420 in performance tests.


Should you still have questions on choice between Pentium Gold G5420 and Pentium Gold G6405, ask them in Comments section, and we shall answer.

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Intel Pentium Gold G5420
Pentium Gold G5420
Intel Pentium Gold G6405
Pentium Gold G6405

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Community ratings

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