AMD Ryzen 9 9950X3D vs AMD Ryzen AI 5 PRO 440 Comparison

Head-to-Head Benchmarks

The recorded benchmark data shows a decisive performance gap between the AMD Ryzen 9 9950X3D and the AMD Ryzen AI 5 PRO 440. Across all eleven shared tests, the Ryzen 9 9950X3D wins every single matchup. The largest margin appears in PassMark's find prime numbers test, where the 9950X3D scores 613 versus 77, a delta of 696.1%. That test is heavily dependent on raw integer throughput and cache behavior, so the scale of the difference reflects the desktop part's far larger core count and L3 capacity.

Multi-threaded workloads show similarly lopsided results. In PassMark multithread, the 9950X3D records 70,255 against 21,054 for the Ryzen AI 5 PRO 440, a 233.7% advantage. The physics test, which typically scales with thread count and memory bandwidth, sees the 9950X3D at 5,670 versus 1,119, a 406.7% lead. Floating point math follows the same pattern: 159,724 for the 9950X3D versus 42,934, a 272% delta. Integer math lands at 243,209 versus 65,991, or 268.5% ahead.

The gap narrows considerably in single-threaded work, but the 9950X3D still holds a clear edge. PassMark single thread shows 4,737 for the 9950X3D against 3,785 for the Ryzen AI 5 PRO 440, a 25.2% difference. That is the smallest margin in the entire head-to-head set, which indicates the Zen 5 cores in both processors share a strong per-thread foundation even though the desktop chip clocks higher. The 9950X3D boosts to 5.70 GHz while the mobile part reaches 4.80 GHz, and that clock advantage shows up directly in single-thread results.

Data compression and encryption also favor the desktop chip heavily. PassMark data compression scores 908,421 versus 256,420, a 254.3% delta. Data encryption records 44,536 versus 12,418, a 258.6% advantage. Extended instruction workloads, which exercise AVX-style operations, produce a 73,011 score for the 9950X3D versus 18,456, a 295.6% margin. Random string sorting, another memory-latency-sensitive test, shows 95,423 versus 27,252, a 250.2% difference.

The average benchmark score in the database confirms the overall picture: 75,779 for the 9950X3D versus 41,208 for the Ryzen AI 5 PRO 440. The 9950X3D sits at the 95th percentile of all CPUs in the database, while the Ryzen AI 5 PRO 440 sits at the 87th percentile. The nearest rivals for the 9950X3D are the AMD Ryzen 7 PRO 9755 at 75,738 and the AMD Ryzen 7 PRO 9755X3D at 75,716, both within 0.1%. The Ryzen AI 5 PRO 440 sits within 0.6% of the Intel Core Ultra X7 358H and within 0.4% of the AMD Ryzen 9 5900X, placing it in a completely different performance tier.

The Verdict

The data indicates two processors built for entirely different markets. The AMD Ryzen 9 9950X3D is a desktop part with 16 cores, 32 threads, and a 170 W TDP. The AMD Ryzen AI 5 PRO 440 is a mobile part with 6 cores, 12 threads, and a 28 W TDP. Anyone comparing these two directly should recognize that the 9950X3D is positioned for high-end desktop workloads where power draw and physical size are secondary concerns, while the Ryzen AI 5 PRO 440 is designed for laptops where efficiency and thermal limits dominate.

From a pure performance standpoint, the 9950X3D wins every benchmark in the shared set. Multi-threaded workloads see margins between 233.7% and 696.1%. Even single-thread performance, where the mobile chip should be most competitive, shows a 25.2% deficit. The 9950X3D also carries 128 MB of L3 cache compared to 8 MB on the Ryzen AI 5 PRO 440, which explains much of the gap in cache-sensitive workloads like find prime numbers and random string sorting.

The Ryzen AI 5 PRO 440 does have advantages in the database, but they are not performance advantages. It uses a 195 mm² die, supports both DDR5 and LPDDR5X memory, and packs integrated Radeon 840M graphics. The 9950X3D uses a dual 70.6 mm² die configuration and includes Radeon Graphics. The mobile chip also has a lower TDP at 28 W, which makes it suitable for thin-and-light systems. None of these factors change the benchmark outcomes, but they explain why the two chips exist in different product categories.

The verdict from the recorded data is straightforward: the Ryzen 9 9950X3D is the faster processor in every measured workload. The Ryzen AI 5 PRO 440 is not a competitor in raw performance; it is a mobile efficiency part. Buyers who need maximum desktop throughput should look at the 9950X3D. Buyers who need a low-power mobile processor should look at the Ryzen AI 5 PRO 440. The two should not be cross-shopped.

Architecture Differences

Both processors use the Zen 5 architecture and are built on TSMC's 4 nm process node. The similarities end there. The Ryzen 9 9950X3D uses the Granite Ridge codename and belongs to the Ryzen 9 generation, while the Ryzen AI 5 PRO 440 uses the Gorgon Point codename and belongs to the Ryzen AI PRO 400 generation. The desktop chip is a 16-core, 32-thread design with a 4.30 GHz base clock and 5.70 GHz boost clock. The mobile chip is a 6-core, 12-thread design with a 2.00 GHz base clock and 4.80 GHz boost clock.

Cache configuration differs dramatically. The 9950X3D has 80 KB of L1 per core, 1 MB of L2 per core, and 128 MB of L3 cache. The Ryzen AI 5 PRO 440 has the same 80 KB L1 and 1 MB L2 per core, but only 8 MB of L3. That 16x difference in L3 capacity is the single largest architectural gap between the two parts and directly impacts workloads that rely on large working sets.

The 9950X3D uses a dual-die design with each die measuring 70.6 mm², for a total transistor count of 16,630 million. The Ryzen AI 5 PRO 440 uses a single 195 mm² die. The database does not list a transistor count for the mobile part. The desktop chip uses AMD Socket AM5 and supports PCIe Gen 5 with 24 lanes from the CPU. The mobile chip uses AMD Socket FP8 and supports PCIe Gen 4 with 16 lanes from the CPU.

Both parts support dual-channel memory with 89.6 GB/s bandwidth and ECC memory. The 9950X3D supports DDR5 only, while the Ryzen AI 5 PRO 440 supports both DDR5 and LPDDR5X. The desktop chip has an unlocked multiplier; the mobile chip does not. The 9950X3D launched on 2025-01-05 with a launch MSRP of $699. The Ryzen AI 5 PRO 440 has a release date of 2026-01-04 and no listed launch MSRP in the database.

FAQ

Q: Which processor is faster in single-threaded workloads?

A: The AMD Ryzen 9 9950X3D. It scores 4,737 in PassMark single thread versus 3,785 for the AMD Ryzen AI 5 PRO 440, a 25.2% advantage. The desktop chip's higher boost clock of 5.70 GHz compared to 4.80 GHz contributes to this result.

Q: How much faster is the Ryzen 9 9950X3D in multi-threaded performance?

A: In PassMark multithread, the 9950X3D scores 70,255 against 21,054, a 233.7% lead. The gap comes from 16 cores and 32 threads versus 6 cores and 12 threads, along with 128 MB of L3 versus 8 MB.

Q: Do both processors use the same architecture?

A: Yes, both use Zen 5 on TSMC's 4 nm process node. The 9950X3D uses the Granite Ridge codename, while the Ryzen AI 5 PRO 440 uses Gorgon Point. Their cache, core counts, sockets, and platform support differ significantly.

Q: Which processor supports more PCIe lanes?

A: The Ryzen 9 9950X3D supports PCIe Gen 5 with 24 lanes from the CPU. The Ryzen AI 5 PRO 440 supports PCIe Gen 4 with 16 lanes from the CPU.

Q: What memory types does each processor support?

A: The Ryzen 9 9950X3D supports DDR5 only. The Ryzen AI 5 PRO 440 supports both DDR5 and LPDDR5X. Both use dual-channel memory with 89.6 GB/s bandwidth and support ECC memory.

Q: Is the Ryzen 9 9950X3D unlocked for overclocking?

A: Yes, the 9950X3D has an unlocked multiplier. The Ryzen AI 5 PRO 440 does not, which is consistent with typical mobile processor design constraints.

Where Each One Wins

The Ryzen 9 9950X3D wins in every benchmark category recorded in the shared set. Its largest margins come from cache-sensitive and heavily multi-threaded tests: find prime numbers at 696.1% ahead, physics at 406.7%, and extended instructions at 295.6%. These results make it the clear choice for desktop workloads such as compilation, rendering, scientific computing, and any task that can use 16 cores and 128 MB of L3 cache. The 9950X3D also wins the single-thread test by 25.2%, so it does not sacrifice responsiveness in lightly threaded applications.

The Ryzen AI 5 PRO 440 does not win any benchmark in the head-to-head set, but its profile suggests specific strengths outside raw performance. Its 28 W TDP and support for LPDDR5X memory make it suitable for battery-powered mobile systems where the 170 W 9950X3D is physically and electrically impossible. The integrated Radeon 840M graphics provide display output and basic acceleration without a discrete GPU. The 195 mm² single-die design simplifies laptop motherboard layouts compared to the dual-die desktop part.

The 9950X3D also holds the advantage in platform connectivity. PCIe Gen 5 with 24 lanes supports high-bandwidth GPUs and NVMe storage. The Ryzen AI 5 PRO 440 is limited to PCIe Gen 4 with 16 lanes, which is adequate for mobile components but not equivalent. The desktop chip's unlocked multiplier adds overclocking headroom that the locked mobile part cannot offer.

For desktop builders, the 9950X3D is the obvious pick based on the benchmark data. For laptop buyers, the Ryzen AI 5 PRO 440 is the only viable option between the two because the 9950X3D is a desktop-only part on Socket AM5. The database does not record any scenario where the mobile chip outperforms the desktop chip, so the use-case split comes down to platform and power requirements rather than benchmark results.

Specification Differences

The two processors differ in nearly every specification field. The Ryzen 9 9950X3D has 16 cores and 32 threads; the Ryzen AI 5 PRO 440 has 6 cores and 12 threads. Base clocks are 4.30 GHz versus 2.00 GHz. Boost clocks are 5.70 GHz versus 4.80 GHz. TDP is 170 W versus 28 W. The 9950X3D uses AMD Socket AM5; the Ryzen AI 5 PRO 440 uses AMD Socket FP8.

Codename differs: Granite Ridge for the desktop chip, Gorgon Point for the mobile chip. Process node is the same at 4 nm from TSMC. Transistor count is listed at 16,630 million for the 9950X3D, with no listed value for the mobile part. Die size is 2x 70.6 mm² for the desktop chip versus 195 mm² for the mobile chip.

L3 cache is 128 MB on the 9950X3D versus 8 MB on the Ryzen AI 5 PRO 440. L1 and L2 cache are identical at 80 KB per core and 1 MB per core. Memory support differs: DDR5 only for the desktop part, DDR5 and LPDDR5X for the mobile part. Memory bus is dual-channel on both, with identical 89.6 GB/s bandwidth. Both support ECC memory.

PCIe support differs: Gen 5 with 24 lanes on the 9950X3D versus Gen 4 with 16 lanes on the Ryzen AI 5 PRO 440. Integrated graphics are listed as Radeon Graphics on the desktop chip and Radeon 840M on the mobile chip. The 9950X3D has an unlocked multiplier; the Ryzen AI 5 PRO 440 is locked. Market segment is Desktop for the 9950X3D and Mobile for the Ryzen AI 5 PRO 440. Release dates are 2025-01-05 and 2026-01-04 respectively, with a launch MSRP of $699 listed only for the 9950X3D.