Intel Core i5-10400T

Intel Core i5-10400T: Review and Relevance in 2025
Architecture, Performance, and Use Cases of the Budget Processor
Key Specifications: Comet Lake in Detail
The Intel Core i5-10400T processor, released in 2020, belongs to the 10th generation (Comet Lake) and is still found in budget builds. Its key parameters include:
- 6 cores and 12 threads — multitasking capability for office and multimedia tasks.
- Base frequency 2.0 GHz, maximum — 3.6 GHz (Turbo Boost).
- 14nm manufacturing process — outdated but proven technology.
- TDP of 35W — low power consumption and minimal heat generation.
- Intel UHD Graphics 630 — basic graphics for non-demanding games and video.
- Geekbench 6: 1138 (Single-Core), 4114 (Multi-Core) — performance level comparable to Ryzen 5 3400G.
Key Features:
- Support for Hyper-Threading for stream handling.
- Intel Quick Sync Video technology (video encoding acceleration) and AES-NI (encryption).
- Compatibility with Windows 10/11 and Linux.
Practical example: In office PCs from 2023–2024, this processor was frequently used in mini-PCs (e.g., ASUS PN50) due to its compactness and energy efficiency.
Compatible Motherboards: Sockets and Chipsets
The processor uses the LGA 1200 socket, limiting motherboard choices to chipsets from the 400 and 500 series:
- H410, B460, H470, Z490 (400 series) — basic support without PCIe 4.0.
- H510, B560, H570, Z590 (500 series) — improved power delivery and support for DDR4-3200 memory.
Selection Recommendations:
- For budget builds: ASUS Prime B460M-A ($90–110) or Gigabyte H510M-H ($75).
- For upgrades: MSI B560M Pro-VDH ($120) with memory overclocking.
Important: The processor does not support PCIe 4.0, so motherboards with this interface will not provide a performance boost.
Memory: DDR4 and Its Nuances
The Core i5-10400T works only with DDR4. Officially supported frequencies are:
- 2666 MHz on 400 series chipsets.
- Up to 2933–3200 MHz on 500 series (depends on the motherboard).
Tips:
- For stability, choose modules with a frequency of 2666 MHz (e.g., Crucial DDR4-2666 16GB, $45).
- On B560 motherboards, you can install 3200 MHz memory, but the performance increase in games will be minimal (5–7%).
Example: In a 2024 build with ASRock B560M-HDV and DDR4-3200, users noted an 8–10% improvement in Photoshop performance compared to DDR4-2666.
Power Supply: Calculations and Recommendations
With a TDP of 35W, a system with the i5-10400T consumes:
- ~80–100W without a discrete graphics card.
- ~250–300W with a GPU such as the NVIDIA GTX 1650.
Recommended PSUs:
- Without a graphics card: EVGA 450 BR ($50) or Be Quiet! System Power 10 400W ($55).
- With a graphics card: Corsair CX550 ($70) or Seasonic S12III 500W ($65).
Important: Do not skimp on the power supply — unstable power can reduce the lifespan of components.
Pros and Cons: Who is the i5-10400T Suitable For?
Pros:
- Low power consumption — ideal for HTPCs or office PCs.
- Integrated graphics — can run Dota 2 or CS:GO at low settings (40–60 FPS).
- Affordable price — a new processor in 2025 costs $130–160.
Cons:
- Outdated 14nm manufacturing process — lags behind Ryzen 5 5500 (7nm) in energy efficiency.
- No support for PCIe 4.0 and DDR5.
- Limited overclocking capabilities — multiplier is locked.
Use Cases: Where is the Processor Relevant in 2025?
1. Office tasks — working with documents, browsers, Zoom.
2. Home theater — 4K video via HDMI 2.0, streaming services.
3. Light gaming — Minecraft, Overwatch 2 at low settings.
4. Basic work tasks — Photoshop, AutoCAD LT (for 2D projects).
Example: In 2023, the processor was actively used in digital signage systems (advertising screens) due to its reliability and low heat output.
Comparison with Competitors
- AMD Ryzen 5 5600G ($160):
- Pros: 7nm, Vega 7 (graphics are 30–40% stronger), supports PCIe 4.0.
- Cons: TDP 65W, more expensive.
- Intel Core i3-12100T ($140):
- Pros: 10nm, higher IPC, supports DDR5.
- Cons: 4 cores, weaker in multi-threaded tasks.
Conclusion: The i5-10400T only wins in price and multi-threading against the i3, but loses to Ryzen in energy efficiency.
Practical Assembly Tips
1. Case Selection: Mini-ITX (Fractal Design Node 304) for compact systems.
2. Cooling: The stock cooler is sufficient, but for quieter operation, get the DeepCool Gammaxx 400 ($25).
3. Storage: Always use an SSD (Kingston A2000 500GB, $45) — an HDD will bottleneck performance.
4. Upgrade: Do not invest in an expensive motherboard — the LGA 1200 socket is outdated.
Final Conclusion: Who is the i5-10400T Suitable For?
This processor should only be considered in two scenarios:
1. Budget build for office, study, or media center.
2. Upgrade of an old PC on 8th or 9th generation Intel without replacing the motherboard.
In 2025, the i5-10400T is a compromise for those looking to save but willing to accept the limitations of an outdated platform. For new systems, it's better to choose Ryzen 5 7500F or Core i5-13400 with support for DDR5 and PCIe 5.0.