Intel Core I5-6400 Vs Intel Pentium Gold G5420

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Intel Core i5-6400

42points

Intel Pentium Gold G5420

Comparison winnervsvs

64 facts in comparison

Intel Core i5-6400 vs Intel Pentium Gold G5420Intel Core i5-6400Intel Pentium Gold G5420

Why is Intel Core i5-6400 better than Intel Pentium Gold G5420?

• 42.11% faster CPU speed?4 x 2.7 GHzvs2 x 3.8 GHz
• 37.82% higher PassMark result?5164vs3747
• 0.5 MB bigger L2 cache?1 MBvs0.5 MB
• 2 MB bigger L3 cache?6 MBvs4 MB
• 12 more GPU execution units?24vs12
• 2x higher multi-core Geekbench 6 result?3062vs1528
• 49.8% higher single-core Geekbench 6 result?1125vs751
• 96 more shading units?192vs96

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Why is Intel Pentium Gold G5420 better than Intel Core i5-6400?

• 267 MHz higher RAM speed (max)?2400 MHzvs2133 MHz
• 29 °C higher maximum operating temperature?100 °Cvs71 °C
• 11W lower TDP?54Wvs65W
• 15.2% higher PassMark result (single)?2251vs1954
• 3.4 GB/s more memory bandwidth?37.5 GB/svs34.1 GB/s
• 0.05 MB/core more L2 cache per core?0.25 MB/corevs0.2 MB/core
• Uses multithreading?
• Supports ECC memory?

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Price comparison

User reviews

Overall rating

Intel Core i5-64009.02 User reviewsIntel Core i5-64009.0/102 User reviewsWrite a reviewIntel Pentium Gold G542010.01 User reviewsIntel Pentium Gold G542010.0/101 User reviewsWrite a review

Features

Value for money

8.5/10 2 ratings10.0/10 1 ratings

Gaming

8.5/10 2 ratings9.0/10 1 ratings

Performance

8.5/10 2 ratings9.0/10 1 ratings

Reliability

9.5/10 2 ratings10.0/10 1 ratings

Energy efficiency

9.5/10 2 ratings10.0/10 1 ratings

Comments

Highest scoreLowest scoreMost helpfulMost recentOldestIntel Core i5-6400Intel Pentium Gold G5420

João Marcos

3 years ago

8 / 10

Show original

A good chip without spending much.

João Marcos

3 years ago

8 / 10

There are many better options on the market for whatever you are going to do with your computer. But if you are on a tight budget, this processor may be a great choice, costing little but not lacking in terms of processing power.

Pros

• Cheap
• 4/4
• Supports powerful GPUs

Cons

• Limited clock
• 4/4

👍Vote1 users found this helpful

Gabo

1 year ago

10 / 10

Goods for Roblox and some game

Gabo

1 year ago

10 / 10

Nothing's bad enjoyable

👍Vote0 users found this helpfulWrite a review

General info

Type

Desktop

Desktop

The market that the CPU is designed for.CPU socket

LGA 1151Intel Core i5-6400

LGA 1151Intel Pentium Gold G5420

The CPU socket/s supported.chipset

Z270, B250

B360, B365, H310, H370, Q370, Z370, Z390

The motherboard chipset/s supported.Has integrated graphics✔Intel Core i5-6400✔Intel Pentium Gold G5420With integrated graphics you don’t need to buy a separate graphics card.release date

10 years ago09/01/2015Intel Core i5-6400

6 years ago04/23/2019Intel Pentium Gold G5420

The date the product first became available for purchase.Thermal Design Power (TDP)

65W

54W

The thermal design power (TDP) is the maximum amount of power the cooling system needs to dissipate. A lower TDP typically means that it consumes less power.semiconductor size

14 nm

14 nm

Small semiconductors provide better performance and reduced power consumption. Chipsets with a higher number of transistors, semiconductor components of electronic devices, offer more computational power. A small form factor allows more transistors to fit on a chip, therefore increasing its performance.CPU temperature

71 °C

100 °C

If the CPU exceeds the maximum operating temperature then problems such as random resets can occur.PCI Express (PCIe) version

3

3

Peripheral Component Interconnect Express (PCIe) is a high-speed interface standard for connecting components, such as graphics cards and SSDs, to a motherboard. Newer versions can support more bandwidth and deliver better performance.+ Show more +

Performance

CPU speed

4 x 2.7 GHz

2 x 3.8 GHz

The CPU speed indicates how many processing cycles per second can be executed by a CPU, considering all of its cores (processing units). It is calculated by adding the clock rates of each core or, in the case of multi-core processors employing different microarchitectures, of each group of cores.CPU threads

4 threads

4 threads

More threads result in faster performance and better multitasking.turbo clock speed

3.3GHz

Unknown. Help us by suggesting a value. (Intel Pentium Gold G5420)

When the CPU is running below its limitations, it can boost to a higher clock speed in order to give increased performance.Has an unlocked multiplier✖Intel Core i5-6400

Unknown. Help us by suggesting a value. (Intel Pentium Gold G5420)

Some processors come with an unlocked multiplier which makes them easy to overclock, allowing you to gain increased performance in games and other apps.L2 cache

1 MB

0.5 MB

A larger L2 cache results in faster CPU and system-wide performance.L3 cache

6 MB

4 MB

A larger L3 cache results in faster CPU and system-wide performance.L1 cache

128 KB

128 KB

A larger L1 cache results in faster CPU and system-wide performance.L2 core

0.2 MB/core

0.25 MB/core

More data can be stored in the L2 cache for access by each core of the CPU.L3 core

1.5 MB/core

2 MB/core

More data can be stored in the L3 cache for access by each core of the CPU.+ Show more +

Benchmarks

PassMark result

5164

3747

This benchmark measures the performance of the CPU using multiple threads.PassMark result (single)

1954

2251

This benchmark measures the performance of the CPU using a single thread.Cinebench R20 (multi) result

Unknown. Help us by suggesting a value. (Intel Core i5-6400)

Unknown. Help us by suggesting a value. (Intel Pentium Gold G5420)

Cinebench R20 is a benchmark tool that measures a CPU's multi-core performance by rendering a 3D scene.Cinebench R20 (single) result

Unknown. Help us by suggesting a value. (Intel Core i5-6400)

Unknown. Help us by suggesting a value. (Intel Pentium Gold G5420)

Cinebench R20 is a benchmark tool that measures a CPU's single-core performance by rendering a 3D scene.Geekbench 6 result (multi)

3062

1528

Geekbench 6 is a cross-platform benchmark that measures a processor's multi-core performance. (Source: Primate Labs, 2025)Geekbench 6 result (single)

1125

751

Geekbench 6 is a cross-platform benchmark that measures a processor's single-core performance. (Source: Primate Labs, 2025)Geekbench 5 result (multi)

Unknown. Help us by suggesting a value. (Intel Core i5-6400)

Unknown. Help us by suggesting a value. (Intel Pentium Gold G5420)

Geekbench 5 is a cross-platform benchmark that measures a processor's multi-core performance. (Source: Primate Labs, 2025)Geekbench 5 result (single)

Unknown. Help us by suggesting a value. (Intel Core i5-6400)

Unknown. Help us by suggesting a value. (Intel Pentium Gold G5420)

Geekbench 5 is a cross-platform benchmark that measures a processor's single-core performance. (Source: Primate Labs, 2025)Blender (bmw27) result

Unknown. Help us by suggesting a value. (Intel Core i5-6400)

Unknown. Help us by suggesting a value. (Intel Pentium Gold G5420)

The Blender (bmw27) benchmark measures the performance of a processor by rendering a 3D scene. More powerful processors can render the scene in less time.+ Show more +

Integrated graphics

GPU clock speed

350 MHz

350 MHz

The clock speed of the graphics processing unit (GPU).GPU name

HD Graphics 530Intel Core i5-6400

UHD Graphics 610Intel Pentium Gold G5420

The name of the integrated GPU.GPU turbo

950 MHz

1050 MHz

When the GPU is running below its limitations, it can boost to a higher clock speed in order to give increased performance.GPU execution units

24

12

A graphics processing unit (GPU) with a greater number of execution units can deliver better graphics.DirectX version

DirectX 12

DirectX 12

DirectX is used in video games, with newer versions supporting better graphics and features. The latest version is DirectX 12 Ultimate, which includes support for ray tracing, mesh shaders, and variable rate shading (VRS).supported displays

3

3

Using multiple displays you can create a larger workspace, making it easier to work across multiple apps.OpenGL version

4.4

4.5

OpenGL is used in games, with newer versions supporting better graphics.OpenCL version

2

3

Some apps use OpenCL to apply the power of the graphics processing unit (GPU) for non-graphical computing. Newer versions introduce more functionality and better performance.texture mapping units (TMUs)

24

12

TMUs take textures and map them to the geometry of a 3D scene. More TMUs will typically mean that texture information is processed faster.+ Show more +

Memory

RAM speed (max)

2133 MHz

2400 MHz

The maximum speed of RAM that is supported by the CPU.maximum memory bandwidth

34.1 GB/s

37.5 GB/s

This is the maximum rate that data can be read from or stored into memory.DDR memory version

4

4

DDR (Double Data Rate) memory is the most common type of RAM. Newer versions of DDR memory support higher maximum speeds and are more energy-efficient.memory channels

2

2

More memory channels increases the speed of data transfer between the memory and the CPU.maximum memory amount

64GB

64GB

The maximum amount of memory (RAM) supported.bus transfer rate

8 GT/s

8 GT/s

The bus is responsible for transferring data between different components of a computer or device.Supports ECC memory✖Intel Core i5-6400✔Intel Pentium Gold G5420Error-correcting code memory can detect and correct data corruption. It is used when is it essential to avoid corruption, such as scientific computing or when running a server.eMMC version

Unknown. Help us by suggesting a value. (Intel Core i5-6400)

Unknown. Help us by suggesting a value. (Intel Pentium Gold G5420)

A higher version of eMMC allows faster memory interfaces, having a positive effect on the performance of a device. For example, when transferring files from your computer to the internal storage over USB.bus speed

Unknown. Help us by suggesting a value. (Intel Core i5-6400)

Unknown. Help us by suggesting a value. (Intel Pentium Gold G5420)

The bus is responsible for transferring data between different components of a computer or device.

Features

instruction sets

SSE 4.2, SSE 4.1, AVX, AES, FMA3, F16C, MMX

SSE 4.2, SSE 4.1, AES, MMX

Instruction sets are sets of codes that the CPU runs for certain functions.uses multithreading✖Intel Core i5-6400✔Intel Pentium Gold G5420Multithreading technology (such as Intel's Hyperthreading or AMD's Simultaneous Multithreading) provides increased performance by splitting each of the processor's physical cores into virtual cores, also known as threads. This way, each core can run two instruction streams at once.bits executed at a time

Unknown. Help us by suggesting a value. (Intel Core i5-6400)

Unknown. Help us by suggesting a value. (Intel Pentium Gold G5420)

NEON provides acceleration for media processing, such as listening to MP3s.Has TrustZone

Unknown. Help us by suggesting a value. (Intel Core i5-6400)

Unknown. Help us by suggesting a value. (Intel Pentium Gold G5420)

A technology integrated into the processor to secure the device for use with features such as mobile payments and streaming video using digital rights management (DRM).front-end width

Unknown. Help us by suggesting a value. (Intel Core i5-6400)

Unknown. Help us by suggesting a value. (Intel Pentium Gold G5420)

The CPU can decode more instructions per clock (IPC), meaning that the CPU performs betterHas NX bit✔Intel Core i5-6400✔Intel Pentium Gold G5420NX bit helps protect the computer from malicious attacks.VFP version

Unknown. Help us by suggesting a value. (Intel Core i5-6400)

Unknown. Help us by suggesting a value. (Intel Pentium Gold G5420)

Vector Floating-Point (VFP) is used by the processor to deliver increased performance in areas such as digital imaging.

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