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Intel Pentium Gold G6400T

Intel Pentium Gold G6400T: Budget Processor for Basic Tasks

April 2025

Key Specifications: Architecture, Process Technology, and Key Features

The Intel Pentium Gold G6400T processor, released as part of the Comet Lake line, is positioned as an affordable solution for office PCs, home systems, and media centers.

- Architecture and Process Technology:

It is based on the Comet Lake microarchitecture (14 nm), which, despite its age, remains relevant for the budget segment. The processor features 2 cores and 4 threads thanks to Hyper-Threading technology. The base frequency is 3.4 GHz, and it has 4 MB of L3 cache.

- Performance:

In the Geekbench 6 (2025) test, it scores 727 points in single-core mode and 1468 in multi-core mode. These results are sufficient for working with office applications, web browsing, and streaming video.

- Integrated Graphics:

Intel UHD Graphics 610 supports resolutions up to 4K@60 Hz via HDMI or DisplayPort, but is not suitable for gaming. For instance, in CS:GO at low settings, you can expect 30–40 FPS at 720p resolution.

- TDP and Energy Efficiency:

With a thermal design power (TDP) of 35 W, the processor can be used in compact systems without the need for powerful cooling solutions.

Compatible Motherboards: Sockets, Chipsets, and Selection Nuances

The processor uses the LGA 1200 socket, which limits the choice of motherboards to 400-series chipsets:

- H410 / B460: Budget options (starting at $60). They support up to 64 GB of DDR4-2666 but lack PCIe 4.0 and overclocking capabilities.

- H470 / Z490: More advanced boards (starting at $90) that support USB 3.2 Gen 2 and additional PCIe lanes.

Practical Example: For office PC builds, ASRock H410M-HDV (around $65) or Gigabyte B460M DS3H ($85) are commonly chosen. They provide basic functionality and stability.

Important: Ensure that the motherboard's BIOS is updated to a version that supports Comet Lake.

Supported Memory: Types and Configurations

The processor works with DDR4-2666 memory in dual-channel mode. The maximum capacity depends on the motherboard (typically up to 128 GB).

Recommendations:

- For Windows 10/11 and office tasks, 8 GB is sufficient.

- For a media center or light video editing, 16 GB is advisable.

- Optimal modules: Kingston ValueRAM DDR4-2666 (8 GB — $25).

DDR5 and higher frequencies are not supported.

Power Supply: Power Calculation and Recommendations

With a TDP of 35 W, even considering a low-end discrete graphics card (e.g., GT 1030) and an SSD, a power supply of 300–400 W is enough.

Examples:

- EVGA 400W (80+ White, $35) — suitable for basic builds.

- Corsair CX450 (80+ Bronze, $55) — with a reserve for upgrades.

Tip: Don’t skimp on the power supply — cheap models can damage components.

Pros and Cons of Pentium Gold G6400T

Pros:

- Low power consumption.

- Affordable price (around $60 in 2025).

- Support for 4K video.

Cons:

- Weak performance in multi-threaded tasks (e.g., rendering in Blender will take 3–4 times longer than with a Ryzen 3).

- Outdated 14 nm process technology.

- Integrated graphics are inferior to AMD Vega.

Use Cases: Where the Processor Will Shine

1. Office PCs: Working with documents, video conferencing, browsing with 10+ tabs.

2. Home Media Center: Streaming video (Netflix, YouTube), music, light retro gaming emulators.

3. Educational Systems: Suitable for students working with text and spreadsheets.

Example: A G6400T PC owner notes that the system handles running Zoom, Excel, and Chrome simultaneously, but starts lagging when editing photos in Photoshop.

Comparison with Competitors: AMD Athlon and Others

- AMD Athlon 3000G (2 cores/4 threads, Vega 3):

- Cheaper ($45) but weaker in single-threaded tasks (Geekbench 6 Single Core — ~650).

- Better graphics: Fortnite at low settings gives 40 FPS compared to 25 FPS with UHD 610.

- Intel Core i3-10100 (4 cores/8 threads):

- More powerful in multitasking (Geekbench 6 Multi Core — ~2800) but more expensive ($90).

Conclusion: The G6400T outperforms the Athlon in per-core performance but falls behind in graphics.

Assembly Tips: How to Avoid Mistakes

1. Case: Choose a compact Mini-ITX (e.g., Cooler Master Elite 110) to save space.

2. Storage: Be sure to use an SSD (Crucial BX500 240 GB — $30). An HDD will slow down the system.

3. Cooling: The stock cooler is sufficient, but for quieter operation, consider the Deepcool GAMMAXX 400 ($20).

4. Check Ports: Make sure the motherboard has HDMI/DisplayPort if you need video output.

Final Conclusion: Who Is This Processor For

The Intel Pentium Gold G6400T is suitable for those who:

- Are building a PC for study or office work with a budget of up to $300.

- Need an energy-efficient system (such as for a home server).

- Do not plan to play modern games or work with "heavy" applications.

Alternative: If the budget allows for an additional $30–40, consider the Ryzen 3 3200G — it will offer better graphics and multi-threading performance.

Prices are current as of April 2025. Shown for new devices in retail stores in the USA.

Basic

Label Name

Intel

Platform

Desktop

Launch Date

April 2020

Model Name

The Intel processor number is just one of several factors - along with processor brand, system configurations, and system-level benchmarks - to be considered when choosing the right processor for your computing needs.

G6400T

Code Name

Comet Lake

CPU Specifications

Total Cores

Cores is a hardware term that describes the number of independent central processing units in a single computing component (die or chip).

Total Threads

Where applicable, Intel® Hyper-Threading Technology is only available on Performance-cores.

Basic Frequency

3.40 GHz

Intel Turbo Boost Technology

Intel® Turbo Boost Technology dynamically increases the processor's frequency as needed by taking advantage of thermal and power headroom to give you a burst of speed when you need it, and increased energy efficiency when you don’t.

Intel Hyper-Threading Technology

Intel® Hyper-Threading Technology (Intel® HT Technology) delivers two processing threads per physical core. Highly threaded applications can get more work done in parallel, completing tasks sooner.

Yes

Intel Turbo Boost Max Technology 3.0

Intel® Turbo Boost Max Technology 3.0 identifies the best performing core(s) on a processor and provides increased performance on those cores through increasing frequency as needed by taking advantage of power and thermal headroom.

CPU Socket

The socket is the component that provides the mechanical and electrical connections between the processor and motherboard.

FCLGA1200

Technology

Lithography refers to the semiconductor technology used to manufacture an integrated circuit, and is reported in nanometer (nm), indicative of the size of features built on the semiconductor.

14 nm

TDP

35 W

Max. Operating Temperature

Junction Temperature is the maximum temperature allowed at the processor die.

100°C

PCI Express Version

PCI Express Revision is the supported version of the PCI Express standard. Peripheral Component Interconnect Express (or PCIe) is a high-speed serial computer expansion bus standard for attaching hardware devices to a computer. The different PCI Express versions support different data rates.

3.0

Number of PCI Express Lanes

A PCI Express (PCIe) lane consists of two differential signaling pairs, one for receiving data, one for transmitting data, and is the basic unit of the PCIe bus. Max # of PCI Express Lanes is the total number of supported lanes.

Intel 64

Intel® 64 architecture delivers 64-bit computing on server, workstation, desktop and mobile platforms when combined with supporting software.¹ Intel 64 architecture improves performance by allowing systems to address more than 4 GB of both virtual and physical memory.

Yes

Instruction Set

The instruction set is a hard program stored inside the CPU that guides and optimizes CPU operations. With these instruction sets, the CPU can run more efficiently. There are many manufacturers that design CPUs, which results in different instruction sets, such as the 8086 instruction set for the Intel camp and the RISC instruction set for the ARM camp. x86, ARM v8, and MIPS are all codes for instruction sets. Instruction sets can be extended; for example, x86 added 64-bit support to create x86-64. Manufacturers developing CPUs that are compatible with a certain instruction set need authorization from the instruction set patent holder. A typical example is Intel authorizing AMD, enabling the latter to develop CPUs compatible with the x86 instruction set.

64-bit

PCI Express Configurations

PCI Express (PCIe) Configurations describe the available PCIe lane configurations that can be used to link to PCIe devices.

Up to 1x16 | 2x8 | 1x8+2x4

Memory Specifications

Memory Type

Intel® processors come in four different types: Single Channel, Dual Channel, Triple Channel, and Flex Mode. Maximum supported memory speed may be lower when populating multiple DIMMs per channel on products that support multiple memory channels.

DDR4-2666

Max Memory Size

Max memory size refers to the maximum memory capacity supported by the processor.

128 GB

Memory Channels

The number of memory channels refers to the bandwidth operation for real world application.

Bus Speed

8 GT/s

Max Memory Bandwidth

Max Memory bandwidth is the maximum rate at which data can be read from or stored into a semiconductor memory by the processor (in GB/s).

41.6 GB/s

GPU Specifications

Integrated Graphics Model

An integrated GPU refers to the graphics core that is integrated into the CPU processor. Leveraging the processor's powerful computational capabilities and intelligent power efficiency management, it delivers outstanding graphics performance and a smooth application experience at a lower power consumption.

Intel® UHD Graphics 610

Graphics Base Frequency

Graphics Base frequency refers to the rated/guaranteed graphics render clock frequency in MHz.

350 MHz

Graphics Frequency

Graphics max dynamic frequency refers to the maximum opportunistic graphics render clock frequency (in MHz) that can be supported using Intel® HD Graphics with Dynamic Frequency feature.

1.05 GHz

Graphics Video Max Memory

64 GB

4K Support

Yes | at 60Hz

DirectX Support

DirectX* Support indicates support for a specific version of Microsoft’s collection of APIs (Application Programming Interfaces) for handling multimedia compute tasks.

Max Resolution (HDMI)

Max Resolution (HDMI) is the maximum resolution supported by the processor via the HDMI interface (24bits per pixel & 60Hz). System or device display resolution is dependent on multiple system design factors; actual resolution may be lower on your system.

4096x2160@30Hz

Max Resolution (DP)

Max Resolution (DP) is the maximum resolution supported by the processor via the DP interface (24bits per pixel & 60Hz). System or device display resolution is dependent on multiple system design factors; actual resolution may be lower on your system.

4096x2304@60Hz

Max Resolution (eDP - Integrated Flat Panel)

Max Resolution (Integrated Flat Panel) is the maximum resolution supported by the processor for a device with an integrated flat panel (24bits per pixel & 60Hz). System or device display resolution is dependent on multiple system design factors; actual resolution may be lower on your device.

4096x2304@60Hz

Number of Displays Supported

Miscellaneous

Intel Virtualization Technology (VT-x)

Intel® Virtualization Technology (VT-x) allows one hardware platform to function as multiple “virtual” platforms. It offers improved manageability by limiting downtime and maintaining productivity by isolating computing activities into separate partitions.

Yes

Intel Virtualization Technology for Directed I/O (VT-d)

Intel® Virtualization Technology for Directed I/O (VT-d) continues from the existing support for IA-32 (VT-x) and Itanium® processor (VT-i) virtualization adding new support for I/O-device virtualization. Intel VT-d can help end users improve security and reliability of the systems and also improve performance of I/O devices in virtualized environments.

Yes

Intel Standard Manageability (ISM)

Intel® Standard Manageability is the manageability solution for Intel vPro® Essentials platforms and is a subset of Intel® AMT with out-of-band management over Ethernet and Wi-Fi, but no KVM or new life cycle management features.

Intel® SSE4.1 | Intel® SSE4.2

Enhanced Intel SpeedStep Technology

Enhanced Intel SpeedStep® Technology is an advanced means of enabling high performance while meeting the power-conservation needs of mobile systems. Conventional Intel SpeedStep® Technology switches both voltage and frequency in tandem between high and low levels in response to processor load. Enhanced Intel SpeedStep® Technology builds upon that architecture using design strategies such as Separation between Voltage and Frequency Changes, and Clock Partitioning and Recovery.

Yes

Execute Disable Bit

Execute Disable Bit is a hardware-based security feature that can reduce exposure to viruses and malicious-code attacks and prevent harmful software from executing and propagating on the server or network.

Yes

Cache

CPU Cache is an area of fast memory located on the processor. Intel® Smart Cache refers to the architecture that allows all cores to dynamically share access to the last level cache.

4 MB Intel® Smart Cache

Intel AES New Instructions

Intel® AES New Instructions (Intel® AES-NI) are a set of instructions that enable fast and secure data encryption and decryption. AES-NI are valuable for a wide range of cryptographic applications, for example: applications that perform bulk encryption/decryption, authentication, random number generation, and authenticated encryption.

Yes

Intel Boot Guard

Intel® Device Protection Technology with Boot Guard helps protect the system’s pre-OS environment from viruses and malicious software attacks.

Yes

Intel Clear Video HD Technology

Intel® Clear Video HD Technology, like its predecessor, Intel® Clear Video Technology, is a suite of image decode and processing technologies built into the integrated processor graphics that improve video playback, delivering cleaner, sharper images, more natural, accurate, and vivid colors, and a clear and stable video picture. Intel® Clear Video HD Technology adds video quality enhancements for richer color and more realistic skin tones.

Yes

Intel Clear Video Technology

Yes

Intel VT-x with Extended Page Tables (EPT)

Intel® VT-x with Extended Page Tables (EPT), also known as Second Level Address Translation (SLAT), provides acceleration for memory intensive virtualized applications. Extended Page Tables in Intel® Virtualization Technology platforms reduces the memory and power overhead costs and increases battery life through hardware optimization of page table management.

Yes

Intel InTru 3D Technology

Yes

Intel OS Guard

Yes

OpenGL Support

OpenGL (Open Graphics Library) is a cross-language, multi-platform API (Application Programming Interface) for rendering 2D and 3D vector graphics.

4.5

Intel Quick Sync Video

Intel® Quick Sync Video delivers fast conversion of video for portable media players, online sharing, and video editing and authoring.

Yes

Benchmarks

Geekbench 6

Single Core Score

727

Geekbench 6

Multi Core Score

1468

Geekbench 5

Single Core Score

857

Geekbench 5

Multi Core Score

1931

Passmark CPU

Single Core Score

2118

Passmark CPU

Multi Core Score

3588

Compared to Other CPU

Geekbench 6 Single Core

Ryzen 5 3500U

856 +17.7%

Xeon D-2145NT

789 +8.5%

Pentium Gold G6400T

727

Xeon E3-1220 v2

667 -8.3%

Xeon E5607

637 -12.4%

Geekbench 6 Multi Core

Core i3-4150T

1763 +20.1%

Pentium G4620

1603 +9.2%

Pentium Gold G6400T

1468

Core m5-6Y57

1298 -11.6%

Core i5-3470T

1135 -22.7%

Geekbench 5 Single Core

Ryzen 3 3200GE

887 +3.5%

Xeon Gold 6240Y

873 +1.9%

Pentium Gold G6400T

857

Xeon E5-2663 v3

839 -2.1%

Xeon E5-1620

820 -4.3%

Geekbench 5 Multi Core

Pentium Silver N6005

2226 +15.3%

Xeon E5607

2067 +7%

Pentium Gold G6400T

1931

Core i7-6660U

1793 -7.1%

Athlon X4 880K

1652 -14.4%

Passmark CPU Single Core

Xeon Gold 5122

2167 +2.3%

Core i5-4670K

2144 +1.2%

Pentium Gold G6400T

2118

Core i7-5700EQ

2092 -1.2%

Core i3-4170

2064 -2.5%

Passmark CPU Multi Core

Core i5-7260U

3978 +10.9%

Core i7-7560U

3773 +5.2%

Pentium Gold G6400T

3588

Core i5-2300

3420 -4.7%

Core i3-6167U

3255 -9.3%