Intel Core 5 120

Name: Intel Core 5 120
Brand: Intel
SKU: 3545

Manufacturer: Intel

The Intel Core 5 120 is a desktop processor built for the LGA 1700 platform, offering a balanced blend of efficiency and everyday computing capability. It features six cores with a base clock of 2.5 GHz and a turbo frequency reaching up to 4.5 GHz, supported by 12 threads through multithreading. Fabricated on a 10 nm process, it has a thermal design power rating of 65W and supports a maximum operating temperature of 100 °C.

On the memory side, the Core 5 120 supports DDR5 RAM at speeds up to 4800 MHz across two channels, with a maximum capacity of 192 GB and a peak bandwidth of 76.8 GB/s. Cache configuration includes 7.5 MB of L2 and 18 MB of L3. The integrated UHD Graphics 730 runs at a base of 300 MHz with a turbo of 1500 MHz, backed by 192 shading units and compatibility with DirectX 12 and OpenGL 4.5. The chip also supports PCIe 5.0 and a broad set of instruction sets including AVX2, AES, and FMA3.

Pros

Supports DDR5 memory at speeds up to 4800 MHz with a peak bandwidth of 76.8 GB/s, keeping data throughput well-suited for modern workloads
Can address up to 192 GB of RAM across two channels, offering substantial capacity headroom for demanding applications
Turbo Boost 2 allows the processor to reach 4.5 GHz when needed, well above the 2.5 GHz base clock
Includes integrated UHD Graphics 730 capable of driving up to four displays simultaneously, removing the need for a discrete GPU in basic multi-monitor setups
PCIe 5.0 support ensures compatibility with current-generation storage and expansion hardware
A broad instruction set covering AVX2, AES, FMA3, and others enables support for encryption, vector math, and modern compute tasks

Cons

The multiplier is locked, so clock speed cannot be adjusted beyond the factory turbo frequency
65W TDP with no unlocked overclocking headroom limits the ability to push performance beyond rated specifications
Does not support ECC memory, which rules it out for error-sensitive or mission-critical computing environments
Integrated GPU base clock of only 300 MHz is quite low, and the 24 execution units offer limited graphical capability for anything beyond basic display output
Does not use big.LITTLE architecture, meaning all six cores share the same design without efficiency-core power-saving benefits

Who is this for?

This processor is a solid fit for users building a mainstream desktop system centered around everyday computing tasks such as office productivity, web browsing, and light content consumption. The integrated UHD Graphics 730 with four-display support makes it a practical choice for multi-monitor office setups that do not require a dedicated GPU. Its support for DDR5 memory up to 192 GB also makes it well-suited for memory-intensive applications like large spreadsheets, virtual machines, or moderate data processing workloads. Users who prioritize a low-power, thermally efficient desktop build will also appreciate the 65W TDP within the familiar LGA 1700 ecosystem.

Who is this NOT for?

This processor is not a good fit for users who need to push clock speeds beyond factory ratings, as the locked multiplier prevents any overclocking. Enthusiast builders and competitive gamers seeking maximum single-threaded throughput will find the headroom limited. It is also unsuitable for professional or enterprise workloads requiring ECC memory, such as servers, workstations handling critical data integrity, or scientific computing environments. Additionally, users expecting capable graphical output for gaming, video editing, or GPU-accelerated rendering will find the 24-execution-unit integrated GPU insufficient for those demands.

General info:

Type	Desktop
CPU socket	LGA 1700
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 5 120 is a desktop processor designed for the LGA 1700 socket, built on a 10 nm semiconductor process and rated at a thermal design power of 65W with a maximum operating temperature of 100 °C. It includes integrated graphics and supports 64-bit computing, making it compatible with modern operating systems and software. The chip supports PCIe 5.0, enabling compatibility with current-generation expansion cards and storage devices.

Performance:

CPU speed	6 x 2.5 GHz
CPU threads	12 threads
turbo clock speed	4.5GHz
Has an unlocked multiplier	✕
L2 cache	7.5 MB
L3 cache	18 MB
L2 core	1.25 MB/core
L3 core	3 MB/core
Uses big.LITTLE technology	✕
clock multiplier	25
Turbo Boost version	2

The Intel Core 5 120 features six cores running at a base clock of 2.5 GHz, supported by 12 threads for handling concurrent workloads. It can reach a turbo clock speed of 4.5 GHz via Turbo Boost version 2, with a clock multiplier of 25. Cache memory consists of 7.5 MB of L2 at 1.25 MB per core and 18 MB of L3 at 3 MB per core, providing ample fast-access storage for frequently used data. The processor does not have an unlocked multiplier and does not use big.LITTLE heterogeneous core architecture.

Benchmarks:

Integrated graphics:

GPU clock speed	300 MHz
GPU name	UHD Graphics 730
GPU turbo	1500 MHz
GPU execution units	24
DirectX version	DirectX 12
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 operates at a base clock of 300 MHz and can boost up to 1500 MHz, backed by 24 execution units, 192 shading units, 12 texture mapping units, and 8 render output units. It supports up to four displays simultaneously and is compatible with DirectX 12, OpenGL 4.5, and OpenCL 3, covering a broad range of graphics and compute workloads without a discrete GPU.

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 Intel Core 5 120 supports DDR5 memory across two channels, with a maximum RAM speed of 4800 MHz and a peak memory bandwidth of 76.8 GB/s. It can address up to 192 GB of RAM, offering substantial headroom for memory-intensive workloads. ECC memory is not supported by this processor.

Features:

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

The Intel Core 5 120 supports multithreading and includes the NX bit for hardware-level memory protection. It is compatible with a broad range of instruction sets, including MMX, F16C, FMA3, AES, AVX, AVX2, SSE 4.1, and SSE 4.2, enabling support for modern floating-point, encryption, and vector processing operations.

Final Verdict

The Intel Core 5 120 is a well-defined desktop processor that occupies a clear and practical niche within the LGA 1700 platform. Its combination of DDR5 memory support, PCIe 5.0 compatibility, and up to 192 GB of addressable RAM gives it meaningful longevity for mainstream desktop builds, while the integrated UHD Graphics 730 adds genuine utility for multi-display office environments without requiring additional hardware. Where it falls short — locked overclocking, no ECC support, and limited GPU capability — those constraints are consistent with its intended positioning as a power-efficient, general-purpose chip rather than a high-end workstation or enthusiast part. For users whose needs align with that profile, the Core 5 120 delivers a coherent and capable feature set that holds up well within its designed scope.