Intel Core i5-14400

Name: Intel Core i5-14400
Brand: Intel
SKU: 8070

Manufacturer: Intel

The Intel Core i5-14400 is a ten-core desktop processor built for the LGA 1700 socket, using a big.LITTLE core arrangement that combines six performance cores running at 2.5 GHz with four efficiency cores at 1.8 GHz, all sharing 16 threads. It carries integrated UHD Graphics 730, making it functional in systems without a dedicated GPU, and is compatible with chipsets ranging from H610 through to Z790, offering flexibility across a wide range of Intel platform builds.

Cache totals 9.5 MB of L2 and 20 MB of L3, with Turbo Boost 2 capable of pushing the peak single-core frequency to 4.7 GHz. On the memory side, the processor supports DDR5 at up to 4,800 MHz with a maximum bandwidth of 76.8 GB/s, dual-channel operation, up to 192 GB of total capacity, and ECC memory support. PCIe 5.0 is included, and the chip operates within a 65W TDP with a maximum rated temperature of 100 °C. Instruction set support covers AVX2, AES, FMA3, SSE 4.1, and SSE 4.2, and multithreading is enabled across all cores alongside NX bit security support.

Pros

The big.LITTLE core architecture combining six performance cores and four efficiency cores across 16 threads allows the processor to distribute workloads more efficiently than a uniform-core design
A 20 MB L3 cache provides a solid amount of on-die storage for a ten-core desktop chip, supporting smoother handling of data-intensive tasks
Integrated UHD Graphics 730 with support for up to four simultaneous displays makes the processor usable in multi-monitor setups without requiring a dedicated GPU
DDR5 memory support with up to 4,800 MHz speed and 76.8 GB/s bandwidth gives the platform a capable memory foundation for throughput-sensitive workloads
ECC memory support adds error-correction capability that is not commonly found in mainstream desktop processors at this core count
PCIe 5.0 compatibility allows the platform to accommodate current-generation NVMe storage and expansion hardware

Cons

The multiplier is locked at 25 with no overclocking capability, meaning clock speeds are strictly bound to the fixed base and turbo frequencies
With a turbo ceiling of 4.7 GHz via Turbo Boost version 2, single-threaded peak frequency headroom is constrained for workloads that depend heavily on raw clock speed
The integrated UHD Graphics 730 carries only 192 shading units and a 300 MHz base clock, limiting it to basic display output and light compute tasks rather than anything graphically demanding
The efficiency cores operate at just 1.8 GHz base, which may result in noticeably lower throughput for tasks that are not well-optimized for heterogeneous core scheduling

Who is this for?

The Intel Core i5-14400 is a solid fit for users building a versatile desktop system on the LGA 1700 platform who want multi-display output without a dedicated GPU, thanks to the integrated UHD Graphics 730 supporting up to four screens. The ten-core big.LITTLE configuration with 16 threads makes it well-suited to mixed workloads that benefit from having both performance and efficiency cores available, such as background tasks running alongside foreground applications. Users who require ECC memory support in a mainstream desktop form factor — including those running locally hosted services or working with data where integrity is a concern — will also find the memory subsystem accommodating, with DDR5 support up to 192 GB at 76.8 GB/s bandwidth.

Who is this NOT for?

This processor is not a strong fit for users who need maximum single-threaded clock speed, as the locked multiplier and Turbo Boost 2 ceiling of 4.7 GHz leave no room for frequency tuning or manual overclocking. Those planning to run GPU-intensive applications will find the UHD Graphics 730 insufficient, given its 192 shading units and 300 MHz base clock, which are only adequate for basic display tasks rather than gaming or GPU compute workloads. Users running workloads that scale aggressively with core count — such as high-resolution video rendering or large-scale parallel computation — may also find the efficiency cores at 1.8 GHz a limiting factor if the scheduler assigns demanding threads to those cores.

General info:

Type	Desktop
CPU socket	LGA 1700
chipset	B760, H770, Z790, H610, H670, B660, Z690
Has integrated graphics	✓
Thermal Design Power (TDP)	65W
semiconductor size	10 nm
CPU temperature	100 °C
PCI Express (PCIe) version	5
Supports 64-bit	✓

The Intel Core i5-14400 is a desktop processor designed for the LGA 1700 socket, compatible with a wide selection of chipsets including H610, B660, H670, B760, H770, Z690, and Z790. It includes integrated graphics, is manufactured on a 10 nm process node, and operates within a 65W TDP with a maximum rated temperature of 100 °C. The chip supports PCIe 5.0 and 64-bit computing, rounding out a general platform profile suited to a broad range of desktop configurations.

Performance:

CPU speed	6 x 2.5 & 4 x 1.8 GHz
CPU threads	16 threads
turbo clock speed	4.7GHz
Has an unlocked multiplier	✕
L2 cache	9.5 MB
L3 cache	20 MB
Uses big.LITTLE technology	✓
clock multiplier	25
Turbo Boost version	2

This processor uses big.LITTLE technology, combining six performance cores clocked at 2.5 GHz with four efficiency cores at 1.8 GHz, all operating across 16 threads. Turbo Boost version 2 can push the top single-core frequency to 4.7 GHz, while the base clock multiplier sits at 25 and remains locked, ruling out manual overclocking through multiplier adjustments. Cache is organized as 9.5 MB of L2 and 20 MB of L3, giving the chip a reasonable amount of on-die memory to support its mixed-core workload distribution.

Benchmarks:

PassMark result	25320
PassMark result (single)	3759
Geekbench 6 result (multi)	10832
Geekbench 6 result (single)	2347

The processor achieves a PassMark score of 25,320 in multi-threaded testing, with a single-core result of 3,759. On Geekbench 6, it records a multi-core score of 10,832 and a single-core score of 2,347, providing a consistent picture of its threading efficiency and per-core output across both benchmark platforms.

Integrated graphics:

GPU clock speed	300 MHz
GPU name	UHD Graphics 730
GPU turbo	1550 MHz
GPU execution units	24
supported displays	4
OpenGL version	4.5
OpenCL version	3
texture mapping units (TMUs)	12
render output units (ROPs)	8
shading units	192

The integrated UHD Graphics 730 runs at a base clock of 300 MHz with a turbo ceiling of 1,550 MHz, backed by 24 execution units, 192 shading units, 12 texture mapping units, and 8 render output units. It supports up to four simultaneous displays and is compatible with OpenGL 4.5 and OpenCL 3, covering standard graphics and general-purpose GPU compute APIs without requiring a discrete graphics card.

Memory:

RAM speed (max)	4800 MHz
maximum memory bandwidth	76.8 GB/s
DDR memory version	5
memory channels	2
maximum memory amount	192GB
Supports ECC memory	✓

The processor supports DDR5 memory in a dual-channel configuration, with a maximum rated speed of 4,800 MHz and a peak bandwidth of 76.8 GB/s. Total memory capacity reaches up to 192 GB, and ECC memory is supported, which is a practical inclusion for workloads where data reliability and error correction are a consideration.

Features:

instruction sets	MMX, F16C, FMA3, AES, AVX, AVX2, SSE 4.1, SSE 4.2
uses multithreading	✓
Has NX bit	✓

Instruction set support spans MMX, F16C, FMA3, AES, AVX, AVX2, SSE 4.1, and SSE 4.2, enabling hardware-level acceleration for vectorized arithmetic, encryption, and multimedia operations. Multithreading is active, allowing the processor to run two threads per physical core concurrently, while the NX bit is implemented as a hardware security measure to help block execution of code in non-executable memory regions.

Final Verdict

The Intel Core i5-14400 presents a technically coherent package for desktop users who need a capable multi-threaded processor with integrated display output and a platform that supports ECC memory without requiring a high-end board. Its big.LITTLE ten-core architecture across 16 threads, paired with DDR5 memory support and broad LGA 1700 chipset compatibility, makes it a practical choice for mixed-use desktop builds where versatility across workloads matters more than raw overclocking headroom. The locked multiplier and modest integrated graphics keep it outside the scope of performance tuning or GPU-intensive scenarios, but within its defined operating range, the i5-14400 delivers a well-rounded specification set that suits productivity-oriented and lightly professional desktop environments.