AMD Ryzen AI 7 445 vs AMD Ryzen Embedded 9900X Comparison

FAQ

Q: What are the core and thread counts for each processor?

A: The AMD Ryzen AI 7 445 has 6 cores and 12 threads, while the AMD Ryzen Embedded 9900X has 12 cores and 24 threads, giving the Embedded part double the core count for heavily threaded workloads.

Q: What is the memory bandwidth difference between the two?

A: Both processors use dual-channel memory with identical peak bandwidth of 89.6 GB/s. The Ryzen AI 7 445 supports DDR5 and LPDDR5X, while the Ryzen Embedded 9900X supports DDR5 only.

Q: Which processor has a larger L3 cache?

A: The Ryzen Embedded 9900X has 64 MB of L3 cache, substantially more than the Ryzen AI 7 445's 4 MB. Both share the same per-core L1 (80 KB) and L2 (1 MB) allocations.

Q: How do their PCIe capabilities differ?

A: The Ryzen AI 7 445 provides Gen 4 with 14 CPU lanes, while the Ryzen Embedded 9900X offers Gen 5 with 24 CPU lanes, a significant advantage for high-bandwidth peripherals and GPUs.

Q: Are both processors currently in production?

A: Yes, both the AMD Ryzen AI 7 445 and the AMD Ryzen Embedded 9900X have an active production status.

Q: Do the processors support ECC memory?

A: Both processors support ECC memory, which is notable for the mobile Ryzen AI 7 445 and expected for the Embedded 9900X.

Where Each One Wins

The AMD Ryzen AI 7 445 is the clear winner for mobile compute tasks. Its 28 W TDP, FP8 socket, and integrated Radeon 840M graphics position it for thin-and-light laptops where power efficiency and portability matter more than raw throughput. The benchmark data shows it holds a 79th percentile ranking among all CPUs, with an average benchmark score of 26,936, indicating strong single-thread and moderate multi-thread performance for its class.

The AMD Ryzen Embedded 9900X dominates in multi-threaded and data-heavy workloads. With 12 cores, 24 threads, a 4.40 GHz base clock, and a 5.60 GHz boost clock, it offers double the parallelism of the Ryzen AI 7 445. The 64 MB L3 cache and Gen 5 PCIe support make it suitable for server, workstation, and embedded applications where memory bandwidth to the CPU cache and high-speed I/O are critical. Its unlocked multiplier allows overclocking, which is unavailable on the Ryzen AI 7 445.

For single-thread responsiveness, the Ryzen Embedded 9900X has a 1.00 GHz higher boost clock (5.60 GHz vs 4.60 GHz), which should translate to faster per-core execution for lightly threaded tasks, though the Ryzen AI 7 445's recorded single-thread PassMark score of 3,591 shows it is no slouch in that area.

Architecture Differences

Both processors are built on TSMC's 4 nm process node, but they diverge significantly in design philosophy. The Ryzen AI 7 445 uses the Zen 5 architecture under the Gorgon Point codename, part of the Ryzen AI 400 generation that mixes Zen 5 and Zen 5c cores. This hybrid arrangement allows the chip to balance performance cores with efficiency-focused cores, which is a common approach for mobile parts aiming to extend battery life while maintaining responsiveness.

The Ryzen Embedded 9900X uses the Granite Ridge codename, also based on Zen 5, but with a uniform core configuration. It belongs to the Ryzen Embedded 9000 series, and its architecture description lists no hybrid core design, meaning all 12 cores share the same microarchitecture. The Embedded part is a dual-chiplet design with a die size of 2x 70.6 mm² and 16,630 million transistors, whereas the Gorgon Point part does not disclose its die size or transistor count in the database.

The cache hierarchy differs markedly. Both allocate 80 KB of L1 and 1 MB of L2 per core, but the L3 cache is 4 MB on the Ryzen AI 7 445 versus 64 MB on the Ryzen Embedded 9900X. This 16x difference in L3 capacity has a direct impact on how much data can be held close to the cores, which is crucial for server workloads with large working sets or repeated data accesses.

Memory support also sets them apart. The Ryzen AI 7 445 supports both DDR5 and LPDDR5X, enabling lower-power memory configurations for laptops. The Ryzen Embedded 9900X supports only DDR5, which is typical for desktop and embedded platforms where power draw is less constrained. Both have dual-channel memory buses and identical 89.6 GB/s peak bandwidth, so the raw throughput ceiling is the same, but the mobile part's LPDDR5X option can operate at lower voltages.

Specification Differences

The two processors differ across nearly every core specification. The Ryzen AI 7 445 has 6 cores and 12 threads, while the Ryzen Embedded 9900X doubles that with 12 cores and 24 threads. Base clocks are 2.00 GHz versus 4.40 GHz, a 2.40 GHz gap in the Embedded part's favor. Boost clocks are 4.60 GHz versus 5.60 GHz, again favoring the Embedded chip by 1.00 GHz.

Thermal design power is where the mobile nature of the Ryzen AI 7 445 becomes clear: it is rated at 28 W, compared to 120 W for the Ryzen Embedded 9900X, a 92 W difference. This directly affects cooling requirements and system form factor. The Ryzen AI 7 445 uses AMD Socket FP8, while the Embedded part uses AMD Socket AM5, indicating different platform designs.

The integrated graphics differ: the Ryzen AI 7 445 includes Radeon 840M, while the Ryzen Embedded 9900X includes a generic Radeon Graphics solution. The memory support, as noted, is DDR5 plus LPDDR5X for the mobile part versus DDR5 only for the embedded part. PCIe lanes are Gen 4 with 14 lanes on the Ryzen AI 7 445, versus Gen 5 with 24 lanes on the Ryzen Embedded 9900X.

The multiplier is locked on the Ryzen AI 7 445, while the Ryzen Embedded 9900X has an unlocked multiplier, allowing user overclocking. The release dates differ: the Ryzen AI 7 445 launched on 2026-01-04, and the Ryzen Embedded 9900X launched on 2025-10-06, making the Embedded part approximately three months older in the database. Their part numbers are 100-000001935 and 100-000000662E, respectively.

Head-to-Head Benchmarks

The database contains benchmark scores only for the AMD Ryzen AI 7 445; the Ryzen Embedded 9900X has no recorded benchmark entries, and the head-to-head comparison table is empty. This limitation means the analysis relies on the Ryzen AI 7 445's absolute scores and its percentile ranking relative to all CPUs.

The Ryzen AI 7 445's Cinebench R23 multi-core score is 10,590, and its single-core score is 1,806. In Cinebench R15, it scores 1,723 multi-core and 254 single-core. These numbers place it in the 79th percentile among all CPUs, with an average benchmark score of 26,936. Its nearest rivals in the database include the Intel Core i7-1370P (average score 26,900, a 0.1% difference), the AMD Ryzen 5 7545U (26,849, 0.3% ahead), the AMD Ryzen 7 5700G (27,051, 0.4% behind), and the Intel Core i9-9900K (27,097, 0.6% behind).

The PassMark results for the Ryzen AI 7 445 show a multi-thread score of 18,115 and a single-thread score of 3,591. Integer math scores 58,332, floating-point math scores 39,362, and extended instructions score 15,826. Data compression scores 215,812, data encryption scores 10,519, and random string sorting scores 23,488. Physics scores 976, and the find prime numbers test scores 56.

Without benchmark data for the Ryzen Embedded 9900X, a direct numerical comparison is impossible. However, the specification sheet indicates the Embedded part should outperform the mobile chip in multi-threaded scenarios given its 12 cores and 24 threads, and its higher boost clock should give it a single-thread advantage. The 64 MB L3 cache versus 4 MB also suggests it will handle cache-sensitive workloads with much less data thrashing. The Ryzen AI 7 445's 28 W TDP, however, means it will sustain performance in thermally constrained laptop chassis, where the 120 W Embedded part would require substantial cooling.

The Verdict

The data supports a clear split based on use case. The AMD Ryzen AI 7 445 is the only choice for mobile platforms: it uses an FP8 socket, supports LPDDR5X memory for lower power, and its 28 W TDP fits in thin laptops. Its benchmark scores, including a 79th percentile ranking and an average score of 26,936, confirm it performs competitively against other mid-range mobile and desktop parts like the Intel Core i7-1370P and AMD Ryzen 7 5700G.

The AMD Ryzen Embedded 9900X is the pick for desktop, server, or embedded workloads where power draw is less of a concern and raw compute throughput is the priority. Its 12 cores, 24 threads, 5.60 GHz boost clock, and 64 MB L3 cache give it a structural advantage for parallel processing, database work, and virtualization. The Gen 5 PCIe support with 24 lanes also makes it suitable for high-speed storage and GPU arrays.

For a builder deciding between them, the choice is dictated by the platform: a mobile system requires the Ryzen AI 7 445, while a stationary workstation or embedded appliance should use the Ryzen Embedded 9900X. The latter's unlocked multiplier adds flexibility for performance tuning, and its larger cache and higher core count make it the more capable compute engine on paper. The Ryzen AI 7 445's advantage is efficiency and portability, not peak throughput. Given the absence of benchmark scores for the Embedded part, the database cannot confirm exact performance gaps, but the specifications indicate a substantial lead for the 9900X in multi-threaded and cache-intensive tasks.