Intel Core Ultra 5 225F

Name: Intel Core Ultra 5 225F
Brand: Intel
SKU: 3037

Manufacturer: Intel

The Intel Core Ultra 5 225F is a desktop processor designed for the LGA 1851 platform, manufactured using a 3 nm semiconductor process. It draws a thermal design power of 65W and reaches a maximum junction temperature of 105 °C, making it a straightforward fit for standard tower builds running a Z890-compatible motherboard. Notably, this chip ships without integrated graphics, so a discrete GPU is required for any display output.

The Core Ultra 5 225F features a big.LITTLE core configuration combining six performance cores clocked at 3.3 GHz and four efficiency cores at 2.7 GHz, with a Turbo Boost 2.0 ceiling of 4.9 GHz across its 10 threads. Cache consists of 22 MB at the L2 level and 20 MB of L3. On the memory side, it supports dual-channel DDR5 at speeds up to 6400 MHz with a maximum capacity of 256 GB, though ECC memory is not supported. PCIe 5.0 connectivity is included, and the processor supports a range of instruction sets including AVX2, AES, and FMA3. Its PassMark multi-threaded score sits at 31,588, with a single-threaded result of 4,470.

Pros

Manufactured on a 3 nm process node, which allows for a compact and efficient die design within a 65W thermal envelope
PCIe 5.0 support enables compatibility with the latest high-bandwidth expansion cards and storage devices
DDR5 memory support up to 6400 MHz across dual channels provides substantial memory bandwidth headroom
Maximum memory capacity of 256 GB offers significant room for memory-intensive workloads
Broad instruction set coverage including AVX2, FMA3, and AES allows for hardware-accelerated computation across a wide range of software
NX bit support adds a hardware-level layer of protection against certain memory-based security exploits

Cons

No integrated graphics means a discrete GPU is mandatory for any display output, adding a required dependency
The multiplier is locked, so clock speed adjustments through overclocking are not an option
Simultaneous multithreading is absent, limiting each physical core to processing a single thread at a time
ECC memory is not supported, ruling out use in environments where memory error correction is a requirement
Compatible exclusively with Z890 chipsets, restricting platform flexibility to a single chipset family

Who is this for?

This processor is a practical fit for desktop builders who plan to pair it with a dedicated graphics card and want a thermally conservative chip within a 65W TDP that won't place excessive demands on cooling solutions. Its support for DDR5 at up to 6400 MHz and PCIe 5.0 makes it well-suited for systems built around modern, high-bandwidth components. Users running software that benefits from AVX2 or AES instruction sets — such as data processing, compression, or encryption workloads — will also find the feature set relevant to their needs.

Who is this NOT for?

This chip is a poor match for anyone expecting integrated graphics, as it includes none — making it unsuitable for builds where a discrete GPU is not part of the plan. Users who rely on ECC memory for data integrity, such as those running workloads where silent memory errors are unacceptable, will need to look elsewhere since ECC is not supported. Additionally, enthusiasts interested in manual overclocking will find the locked multiplier a firm barrier, as no clock speed adjustment beyond the factory Turbo Boost ceiling is possible.

General info:

Type	Desktop
CPU socket	LGA 1851
chipset	Z890
Has integrated graphics	✕
Thermal Design Power (TDP)	65W
semiconductor size	3 nm
CPU temperature	105 °C
PCI Express (PCIe) version	5
Supports 64-bit	✓

The Intel Core Ultra 5 225F is a desktop processor built for the LGA 1851 socket and compatible exclusively with Z890 chipsets. It does not include integrated graphics, meaning a dedicated graphics card is necessary for display output. Manufactured on a 3 nm process node, the chip carries a 65W Thermal Design Power and supports a maximum operating temperature of 105 °C. PCIe 5.0 connectivity is on board, and the processor fully supports 64-bit computing.

Performance:

CPU speed	6 x 3.3 & 4 x 2.7 GHz
CPU threads	10 threads
turbo clock speed	4.9GHz
Has an unlocked multiplier	✕
L2 cache	22 MB
L3 cache	20 MB
Uses big.LITTLE technology	✓
clock multiplier	33
Turbo Boost version	2

This processor uses big.LITTLE technology, pairing six performance cores running at 3.3 GHz with four efficiency cores at 2.7 GHz, for a total of 10 threads. Under load, Turbo Boost 2.0 can push the clock speed up to 4.9 GHz, with a base clock multiplier of 33. The multiplier is locked, so manual overclocking is not supported. On the cache side, the chip provides 22 MB of L2 cache and 20 MB of L3 cache, giving frequently accessed data quick access paths to the cores.

Benchmarks:

PassMark result	31588
PassMark result (single)	4470

In PassMark testing, this processor achieves a multi-threaded score of 31,588, reflecting its overall throughput across all available cores and threads. Its single-threaded PassMark result of 4,470 indicates the per-core processing capability relevant to tasks that rely on sequential execution rather than parallelism.

Integrated graphics:

Memory:

RAM speed (max)	6400 MHz
DDR memory version	5
memory channels	2
maximum memory amount	256GB
Supports ECC memory	✕

This processor supports DDR5 memory across a dual-channel configuration, with a maximum RAM speed of 6400 MHz. It can address up to 256 GB of total system memory, offering substantial headroom for memory-intensive workloads. ECC memory is not supported, which is a common characteristic of consumer-oriented desktop platforms.

Features:

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

The processor supports a broad set of instruction sets including MMX, F16C, FMA3, AES, AVX, AVX2, SSE 4.1, and SSE 4.2, covering vectorized math, hardware-accelerated encryption, and floating-point operations. It does not implement simultaneous multithreading, meaning each physical core handles a single thread at a time. The chip also includes the NX bit, a hardware-level security feature that helps prevent certain classes of malicious code from executing in protected memory regions.

Final Verdict

The Intel Core Ultra 5 225F is a focused desktop processor that makes deliberate trade-offs in exchange for a clean, efficient design. Its 3 nm manufacturing process combined with PCIe 5.0 and DDR5 support up to 6400 MHz positions it well within modern platform standards, and the big.LITTLE core configuration gives it reasonable versatility across both sustained and burst workloads. That said, the absence of integrated graphics, a locked multiplier, and no ECC support define the boundaries of its intended audience fairly clearly. For builders who already have a discrete GPU in the plan and are not chasing overclocking headroom, the 225F delivers a technically current and thermally sensible foundation — provided the Z890 platform requirement fits the build.