AMD Ryzen AI 7 345

The AMD Ryzen AI 7 345 is a mobile processor built on the 4 nm process node, featuring a hybrid core layout with 6 cores and 12 threads, a base clock of 2.00 GHz, and a boost clock of 4.60 GHz. It posts an average benchmark score of 29461, placing it at the 81st percentile of all CPUs, indicating strong mainstream performance. The data reveals a processor that sits in a competitive middle ground, trading blows with desktop and mobile rivals from previous generations.

Benchmark Performance

The Ryzen AI 7 345’s overall standing is remarkably tight against its nearest rivals. Its average score of 29461 is essentially neck-and-neck with the AMD Ryzen 7 3800X, which scores 29447, a delta of 0%. This is a fascinating result: a modern mobile chip matching a previous-generation desktop processor in aggregate throughput. Against the AMD EPYC 9654, the Ryzen AI 7 345 is 0.2% ahead, though that server chip’s score of 29409 is in the same ballpark, which suggests the comparison is more about benchmark noise than real-world differences.

The most relevant comparison for mobile users is the Intel Core i5-13500HX. Here, the Ryzen AI 7 345 leads by 0.7%, with the Intel chip scoring 29270. While this delta is small, it signals that AMD’s 6-core part can hold its own against Intel’s 14-core HX-series silicon in aggregate workloads. Conversely, the AMD Ryzen 7 PRO 5755GE edges out the Ryzen AI 7 345 by 0.7%, scoring 29656. This pattern shows a cluster of four very different processors separated by less than 1.5%, underscoring that the Ryzen AI 7 345’s raw aggregate performance sits at a crowded intersection of desktop, server, and mobile designs.

Looking at specific workloads, the Cinebench scores provide a clearer picture. The multicore score of 11461 in Cinebench R23 is a solid result for a 28 W TDP part. In Cinebench R15, it scores 1712 multicore, which reinforces that the chip can handle sustained multi-threaded rendering tasks competently. The PassMark multithread score of 19927 aligns with this, suggesting that video encoding, 3D rendering, and other parallel tasks will see respectable throughput. The data shows no single benchmark where the Ryzen AI 7 345 collapses; instead, it maintains consistent performance across the board, which is a sign of a well-balanced design.

Power and Thermals

The Ryzen AI 7 345 carries a TDP of 28 W, a figure that defines its thermal and power profile. This is a low-power class typically reserved for ultraportable laptops and thin-and-light designs. The implication is that the processor is engineered for efficient sustained operation rather than bursty, high-power performance. A 28 W TDP means the cooling solution can be modest—likely a thin heat pipe or a small vapor chamber—which directly enables thinner chassis designs.

The 4 nm process node from TSMC is a key enabler here. This advanced node allows higher transistor density and better power efficiency, which explains how 6 cores can reach a 4.60 GHz boost clock within a 28 W envelope. The data does not include thermal throttling metrics, but the combination of a 28 W TDP and a 4 nm process suggests that the chip should maintain its boost clocks under typical laptop workloads without extreme cooling measures. Users should expect a laptop that runs warm under sustained all-core loads, but not one that requires exotic cooling. The absence of an unlocked multiplier further indicates that this is a fixed-power part designed for OEM integration, not enthusiast tuning.

Single-Thread vs Multi-Thread Behavior

The split between single-thread and multi-thread performance reveals the Ryzen AI 7 345’s character. In Cinebench R23 single-core, it scores 1818, while in Cinebench R15 single-core, it scores 271. These numbers are strong for a mobile chip, and the PassMark single-thread score of 3875 confirms that the Zen 5 / Zen 5c architecture delivers excellent per-core efficiency. The boost clock of 4.60 GHz is clearly effective in lightly-threaded scenarios, making the chip feel snappy in everyday use.

The multi-thread picture is where the 6-core / 12-thread configuration shows its limits. The Cinebench R23 multicore score of 11461 is roughly 6.3 times the single-core score, which is less than the theoretical 12x scaling from threads. This suggests that while the cores are capable, the total throughput is constrained by the core count and the 28 W power ceiling. In PassMark, the multithread score of 19927 versus a single-thread score of 3875 shows a similar ratio, indicating that scaling beyond 6 cores would require more power than this chip is allotted.

Real-world implications are clear: tasks like web browsing, office productivity, and light code compilation will feel highly responsive due to strong single-thread performance. Heavier multi-threaded workloads like video rendering or batch photo editing will still complete, but the chip will not match higher-core-count parts. The data suggests a processor that prioritizes responsiveness over raw parallel throughput, a sensible trade-off for a 28 W mobile part.

Who Should Consider It

The Ryzen AI 7 345 is best suited for users who need a balance of mobility and performance. For gamers, the integrated Radeon 840M graphics and strong single-thread scores mean that esports titles and older games should run smoothly at reasonable settings, though the lack of a discrete GPU option in the data limits high-end gaming analysis. The PassMark physics score of 1089 and the floating-point math score of 42621 indicate decent computational muscle for physics simulations in games.

For content creators, the Cinebench R23 multicore score of 11461 and the PassMark integer math score of 63475 suggest that photo editing, light video editing, and 3D modeling are all feasible. The data compression score of 237484 and data encryption score of 11814 show strong performance in archival and security tasks, making it a good fit for users who handle large files or encrypted datasets. The extended instructions score of 17003 indicates solid AVX-512 or similar vectorized workload performance, which benefits scientific computing and data analysis.

Office users and students will find the single-thread score of 3875 in PassMark more than adequate for spreadsheets, document processing, and web applications. The 81st percentile ranking means that this chip outperforms the majority of CPUs in the database, so it will not feel sluggish in daily tasks. The key caveat is that users with sustained all-core workloads, such as professional video rendering or complex simulation, should look elsewhere. This is a processor for the mainstream user who values portability and responsiveness over extreme multi-threaded grunt.

FAQ

Q: How does the Ryzen AI 7 345 compare to the Intel Core i5-13500HX?

A: The Ryzen AI 7 345 has an average benchmark score of 29461, which is 0.7% higher than the Intel Core i5-13500HX’s score of 29270. This indicates near-identical aggregate performance despite different core configurations.

Q: What is the TDP of this processor?

A: The TDP is 28 W, which classifies it as a low-power mobile part suitable for thin and light laptops.

Q: What is the boost clock speed?

A: The maximum boost clock is 4.60 GHz, with a base clock of 2.00 GHz.

Q: Does the Ryzen AI 7 345 support ECC memory?

A: No, the data indicates that ECC memory is not supported. It supports DDR5 and LPDDR5X memory in a dual-channel configuration.

Q: What is the single-thread performance in Cinebench R23?

A: The single-core score in Cinebench R23 is 1818, which is a strong result for a mobile processor and reflects the 4.60 GHz boost capability.

Q: How many PCIe lanes does the CPU provide?

A: The CPU provides 14 PCIe Gen 4 lanes, which is a modest number typical for a mobile processor.

Platform and Compatibility

The Ryzen AI 7 345 uses the AMD Socket FP8, a platform designed for mobile integration. This socket is not user-upgradable in the traditional sense, as it is soldered to the motherboard, meaning the processor is tied to the laptop it ships in. The platform supports DDR5 and LPDDR5X memory in a dual-channel configuration, with a memory bandwidth of 89.6 GB/s. This bandwidth is sufficient for the integrated Radeon 840M graphics to share system memory without severe bottlenecks.

The processor provides 14 PCIe Gen 4 lanes from the CPU itself, which is a notable limitation for expansion. This lane count is typically used for a discrete GPU (if present) and one or two NVMe SSDs. Users looking to connect multiple high-speed devices may find the lane count restrictive, but for a mainstream laptop, this is adequate. The lack of ECC memory support is expected for a consumer part, and the absence of an unlocked multiplier means no overclocking headroom. The upgrade path is effectively non-existent; buyers should view this as a sealed system component, and the 2025-01-14 release date indicates it is a current-generation part.

How It Compares

AMD Ryzen 7 3800X: The Ryzen AI 7 345 matches the Ryzen 7 3800X exactly in average score (29461 vs 29447, 0% delta). This is a remarkable parity, as the 3800X is a desktop processor with a higher power envelope. The mobile chip achieves the same aggregate performance, which highlights the efficiency gains of the 4 nm process and modern architecture.

AMD EPYC 9654: The Ryzen AI 7 345 is 0.2% ahead of the EPYC 9654 (29461 vs 29409). The EPYC 9654 is a server-grade processor with a vastly different core count and power profile, yet the benchmark scores are nearly identical. This comparison is more of a statistical curiosity than a practical one, but it underscores the Ryzen AI 7 345’s strong per-core efficiency.

Intel Core i5-13500HX: The Ryzen AI 7 345 leads the i5-13500HX by 0.7% in average score (29461 vs 29270). The i5-13500HX is a high-performance mobile part with more cores, but the Ryzen AI 7 345’s higher boost clock and efficient architecture close the gap. For users comparing thin-and-light laptops, this delta suggests the AMD chip offers competitive performance with potentially better battery life.

AMD Ryzen 7 PRO 5755GE: The Ryzen 7 PRO 5755GE leads by 0.7% (29656 vs 29461). This is the only rival where the Ryzen AI 7 345 trails, and the margin is minimal. The 5755GE is a PRO-series part with similar power characteristics, so the slight deficit in aggregate score does not represent a meaningful real-world difference.

Architecture and Design

The Ryzen AI 7 345 is built on the Krackan Point codename, part of the Ryzen AI 300 generation that utilizes a hybrid architecture combining Zen 5 and Zen 5c cores. The process node is TSMC’s 4 nm, which is a high-end manufacturing process that enables high transistor density and power efficiency. The processor integrates 6 cores and 12 threads, with base and boost clocks of 2.00 GHz and 4.60 GHz, respectively.

The cache hierarchy is designed for low-latency access: each core has 80 KB of L1 cache and 1 MB of L2 cache, with a shared 4 MB L3 cache. The total L3 cache is 4 MB, which is modest compared to desktop chips but appropriate for a 28 W mobile part. The integrated graphics is the Radeon 840M, which shares the system memory bandwidth of 89.6 GB/s. The part number is 100-000002122, and the production status is active. The design philosophy here is clear: maximize single-thread responsiveness and efficiency within a strict power budget, using a modern process node and a hybrid core layout to balance performance and battery life. The lack of a large L3 cache suggests that the architecture relies on the fast 4 nm process and high clock speeds to maintain competitiveness, rather than relying on massive on-die storage.