AMD Ryzen Embedded 9900X3D vs Intel Core Ultra 7 265 Comparison

FAQ

Q: How do the core counts differ between the AMD Ryzen Embedded 9900X3D and the Intel Core Ultra 7 265?

A: The AMD Ryzen Embedded 9900X3D has 12 cores and 24 threads, while the Intel Core Ultra 7 265 has 20 cores and 20 threads.

Q: What are the clock speed differences?

A: The AMD part has a base clock of 4.40 GHz and a boost clock of 5.50 GHz. The Intel part has a base clock of 2.40 GHz and a boost clock of 5.30 GHz.

Q: Which processor supports ECC memory?

A: The AMD Ryzen Embedded 9900X3D supports ECC memory. The Intel Core Ultra 7 265 does not support ECC memory.

Q: What is the L3 cache capacity on each chip?

A: The AMD Ryzen Embedded 9900X3D has 128 MB of L3 cache. The Intel Core Ultra 7 265 has 30 MB of shared L3 cache.

Q: What is the memory bandwidth for each processor?

A: The AMD Ryzen Embedded 9900X3D has 89.6 GB/s of memory bandwidth. The Intel Core Ultra 7 265 has 102.4 GB/s of memory bandwidth.

Q: What is the production status and release date for each?

A: Both processors are Active in production. The AMD Ryzen Embedded 9900X3D was released on 2025-10-06, while the Intel Core Ultra 7 265 was released on 2025-01-06.

Where Each One Wins

The benchmark data shows a clear split. The Intel Core Ultra 7 265 wins in every recorded benchmark category, while the AMD Ryzen Embedded 9900X3D has no recorded benchmark wins in the database. The Intel processor holds a 93rd percentile ranking among all CPUs, while the AMD processor sits at the 50th percentile. The Intel part's average benchmark score is 64,640, and its nearest rival, the AMD EPYC 4464P, scores 64,823, a delta of -0.3% meaning the EPYC is slightly ahead. The Intel part also edges out the Intel Core Ultra 7 265F by 0.3% and the AMD EPYC 7343 by 0.7%, while trailing the AMD EPYC 9124 by 0.7%.

For workloads that rely on multi-threaded throughput, the Intel Core Ultra 7 265 delivers 42,216 in Cinebench R23 multi-core. For single-threaded tasks, it scores 5,960 in Cinebench R23 single-core. The Intel part also shows strong results in PassMark tests: 49,682 in multi-thread, 4,689 in single-thread, 172,776 in floating point math, and 134,773 in integer math.

The AMD Ryzen Embedded 9900X3D does not have benchmark records in the database, so the recorded data indicates the Intel processor is the only one with measurable performance evidence. The AMD chip's 50th percentile ranking suggests it sits near the median of all CPUs, but without benchmark scores, the database cannot confirm where it wins. The Intel part's 93rd percentile places it firmly in the upper tier of desktop processors.

Architecture Differences

The two processors use different manufacturing nodes and designs. The AMD Ryzen Embedded 9900X3D uses a 4 nm process from TSMC, while the Intel Core Ultra 7 265 uses a 3 nm process from TSMC. The AMD chip is built on the Granite Ridge codename with Zen 5 architecture, and it belongs to the Ryzen Embedded generation. The Intel chip uses the Arrow Lake codename with Arrow Lake architecture, and it belongs to the Ultra 7 generation.

Transistor counts differ meaningfully. The AMD processor has 16,630 million transistors across a dual-die design with each die measuring 70.6 mm². The Intel processor has 17,800 million transistors on a single 243 mm² die. The AMD chip uses a chiplet approach with two dies, while the Intel chip uses a monolithic die.

Cache hierarchies are dramatically different. The AMD part has 80 KB of L1 cache per core, 1 MB of L2 cache per core, and 128 MB of L3 cache. The Intel part has 192 KB of L1 cache per core, 3 MB of L2 cache per core, and 30 MB of shared L3 cache. The AMD processor's 128 MB L3 cache is more than four times larger than the Intel's 30 MB, which benefits workloads that repeatedly access large datasets.

Integrated graphics also differ. The AMD chip includes Radeon Graphics, while the Intel chip includes Arc Xe-LPG Graphics with 32 execution units. Both support DDR5 memory and dual-channel memory buses. The AMD processor has 24 PCIe Gen 5 lanes from the CPU, while the Intel processor has 20 PCIe Gen 5 lanes from the CPU.

The AMD chip supports ECC memory, a feature absent on the Intel part. The AMD processor has an unlocked multiplier, while the Intel processor is locked. The AMD part uses Socket AM5, and the Intel part uses Socket 1851.

Specification Differences

The table below highlights only the fields where the two processors differ.

| Specification | AMD Ryzen Embedded 9900X3D | Intel Core Ultra 7 265 |

|---------------|---------------------------|------------------------|

| Cores | 12 | 20 |

| Threads | 24 | 20 |

| Base Clock | 4.40 GHz | 2.40 GHz |

| Boost Clock | 5.50 GHz | 5.30 GHz |

| TDP | 120 W | 65 W |

| Socket | AMD Socket AM5 | Intel Socket 1851 |

| Codename | Granite Ridge | Arrow Lake-S |

| Generation | Ryzen Embedded (Zen 5) | Ultra 7 (Arrow Lake) |

| Process Node | 4 nm | 3 nm |

| Transistors | 16,630 million | 17,800 million |

| Die Size | 2x 70.6 mm² | 243 mm² |

| L1 Cache | 80 KB per core | 192 KB per core |

| L2 Cache | 1 MB per core | 3 MB per core |

| L3 Cache | 128 MB | 30 MB shared |

| Memory Bandwidth | 89.6 GB/s | 102.4 GB/s |

| ECC Memory | Yes | No |

| PCIe Lanes | 24 (Gen 5) | 20 (Gen 5) |

| Integrated Graphics | Radeon Graphics | Arc Xe-LPG 32EU |

| Release Date | 2025-10-06 | 2025-01-06 |

| Launch MSRP | None | $394 |

| Multiplier | Unlocked | Locked |

| Part Number | 100-000001368E | SRQCX |

The Intel chip draws 65 W, nearly half the 120 W of the AMD chip. The AMD chip has a higher boost clock by 0.20 GHz and a much higher base clock by 2.00 GHz. The Intel chip has 8 more cores but 4 fewer threads, meaning the AMD chip supports simultaneous multithreading while the Intel chip does not.

Head-to-Head Benchmarks

The database contains no head-to-head benchmark comparisons between these two processors. The only benchmark results available belong to the Intel Core Ultra 7 265, which has a full set of Cinebench and PassMark scores. The AMD Ryzen Embedded 9900X3D has no recorded benchmark scores in the database.

For the Intel part, the Cinebench R15 multi-core score is 4,255 and single-core is 600. In Cinebench R20, multi-core reaches 6,268 and single-core reaches 884. Cinebench R23 shows 42,216 multi-core and 5,960 single-core. These scores place the Intel processor at the 93rd percentile of all CPUs.

PassMark results for the Intel chip include 522,983 in data compression, 40,456 in data encryption, 41,478 in extended instructions, 418 in find prime numbers, 172,776 in floating point math, 134,773 in integer math, 49,682 in multi-thread, 2,923 in physics, 63,833 in random string sorting, and 4,689 in single-thread.

Without AMD benchmark data, a direct comparison of scores is impossible. The database records zero wins for the AMD processor and zero wins for the Intel processor in head-to-head tests. The Intel chip's average benchmark score of 64,640 and its nearest rival comparisons provide context: it is 0.3% behind the AMD EPYC 4464P, 0.3% ahead of the Intel Core Ultra 7 265F, 0.7% ahead of the AMD EPYC 7343, and 0.7% behind the AMD EPYC 9124.

The percentile data provides the only comparative signal. The Intel chip's 93rd percentile versus the AMD chip's 50th percentile indicates a wide gap in overall performance ranking. A 50th percentile CPU sits at the median of all tested processors, while a 93rd percentile CPU sits near the top. This suggests the Intel part outperforms the AMD part substantially in the database's overall performance ranking, though the absence of AMD benchmark scores leaves the exact margin unquantified.

The Verdict

The recorded data points clearly to the Intel Core Ultra 7 265 as the stronger performer. It holds a 93rd percentile ranking versus the AMD Ryzen Embedded 9900X3D's 50th percentile. Its average benchmark score of 64,640 confirms a high level of measured performance, while the AMD chip has no recorded average score.

For users who need ECC memory support, the AMD Ryzen Embedded 9900X3D is the only option between the two. The AMD chip also provides an unlocked multiplier for overclocking, a feature the Intel chip lacks. The AMD chip's 128 MB of L3 cache may benefit specific cache-sensitive workloads, though no benchmark data confirms this advantage.

For multi-threaded applications, the Intel chip's 20 cores and 42,216 Cinebench R23 multi-core score indicate strong parallel performance. Its 93rd percentile ranking places it among the top processors in the database. The Intel chip also delivers higher memory bandwidth at 102.4 GB/s versus 89.6 GB/s for the AMD chip.

The Intel Core Ultra 7 265 has a launch MSRP of $394, while the AMD part has no listed launch MSRP. The Intel chip consumes 65 W, which is lower than the AMD chip's 120 W, making it more power-efficient per the recorded TDP figures. The Intel chip also has a smaller process node at 3 nm versus 4 nm, and it integrates Arc Xe-LPG Graphics with 32 execution units.

The AMD Ryzen Embedded 9900X3D targets a different profile with its embedded positioning, ECC support, and higher clock speeds. Its 5.50 GHz boost clock exceeds the Intel chip's 5.30 GHz, and its 4.40 GHz base clock is substantially higher than the Intel chip's 2.40 GHz. These clocks could favor lightly threaded workloads, but the database lacks benchmark scores to verify this.

Users should select the Intel Core Ultra 7 265 for measured performance, lower power draw, and a higher percentile ranking. Users should select the AMD Ryzen Embedded 9900X3D for ECC memory support, an unlocked multiplier, and a larger L3 cache, provided they accept the lack of recorded benchmark data and the higher TDP. The Intel chip is the only one of the two with verified benchmark results, and those results place it in the top tier of desktop CPUs.