AMD Ryzen 9 7940HX vs AMD Ryzen Embedded 9950X3D Comparison

Where Each One Wins

The benchmark database shows a clear split between these two AMD processors. The AMD Ryzen 9 7940HX has a substantial body of recorded test data across 19 individual benchmarks, while the AMD Ryzen Embedded 9950X3D currently has no benchmark entries in the database. This means the 7940HX wins every head-to-head comparison by default, but that is a function of data availability rather than architectural superiority.

The Ryzen 9 7940HX produces its strongest results in multi-threaded workloads. The Cinebench R23 multicore score of 29400 places it firmly in the high-performance desktop class despite its mobile designation. PassMark multithread score of 53204 and 3DMark max threads score of 13447 both indicate that all 32 threads scale effectively under load. The processor also shows competence in single-threaded tasks, with a Cinebench R23 single-core score of 1807 and a 3DMark single-thread score of 1027.

The Ryzen Embedded 9950X3D, lacking benchmark data, cannot be assigned wins in any measured category. The database records zero test scores for this part. Its performance profile remains unquantified. The processor does carry architectural advantages that could translate into wins once testing data becomes available, particularly its larger L3 cache and newer Zen 5 core design, but the recorded measurements do not yet support any performance claims.

For memory-sensitive workloads, the 9950X3D's 128 MB L3 cache (double the 7940HX's 64 MB) would likely deliver wins in data compression, encryption, and random string sorting if tested. The PassMark data compression score of 693741 for the 7940HX establishes a baseline that the embedded part would need to exceed, but without actual benchmark results, any projected advantage remains speculative.

The Verdict

The data supports a straightforward choice for users who need verified performance today: the AMD Ryzen 9 7940HX. It is the only processor in this comparison with recorded benchmark scores. Its 94th percentile ranking among all CPUs in the database confirms that it outperforms the vast majority of processors currently tracked. The average benchmark score of 69875 places it within 0.2% of the AMD Ryzen 7 9700F, within 0.4% of the Intel Core i7-14700KF, and 0.5% ahead of the AMD Ryzen 9 7950X.

The AMD Ryzen Embedded 9950X3D should be considered by users who prioritize its architectural specifications over measured results. The database shows it as a 50th percentile processor, but that figure is derived from zero benchmark entries, making it a placeholder rather than a meaningful ranking. Its 170 W TDP, 5.70 GHz boost clock, and 128 MB L3 cache indicate a high-performance desktop part, but the absence of test scores means the database cannot verify its real-world capabilities.

For server or embedded applications where ECC memory support is mandatory, the 9950X3D is the only option between the two, as it explicitly supports ECC memory while the 7940HX does not. For mobile deployments where power efficiency matters, the 7940HX's 55 W TDP versus the 9950X3D's 170 W TDP represents a significant thermal and power advantage that the benchmark data alone cannot capture.

Head-to-Head Benchmarks

The head-to-head benchmark section contains no recorded comparisons between these two processors. The database lists zero head-to-head tests, zero wins for the 7940HX, and zero wins for the 9950X3D. This absence of direct comparison data means any analysis must rely on the 7940HX's standalone benchmark results and the architectural differences between the two parts.

The 7940HX delivers its most notable results in Cinebench R23 multicore with a score of 29400, which is 62.7% higher than its single-core score of 1807. This ratio indicates strong multi-thread scaling across its 16 cores and 32 threads. The 3DMark results show a similar pattern: max threads score of 13447 versus single-thread score of 1027, a 13.1x multiplier that reflects efficient thread utilization.

PassMark results for the 7940HX show the processor's strengths in specific workloads. Integer math scores 202883, floating-point math scores 121383, and extended instructions scores 51029. Data compression scores 693741, data encryption scores 41974, and random string sorting scores 81775. The find prime numbers test returns a relatively modest 273, indicating that this workload does not play to the processor's strengths. Physics scores 2297 in PassMark.

The 9950X3D cannot be compared on any of these metrics because no scores exist for it in the database. The processor's specifications suggest it would outperform the 7940HX in cache-sensitive workloads, given its 128 MB L3 versus 64 MB L3, but no measurement confirms this. Its boost clock of 5.70 GHz exceeds the 7940HX's 5.20 GHz, which could translate into single-threaded wins, but again, no data verifies this.

FAQ

Q: Which processor has more benchmark entries in the database?

A: The AMD Ryzen 9 7940HX has 19 recorded benchmark scores covering 3DMark, Cinebench, and PassMark tests. The AMD Ryzen Embedded 9950X3D has zero benchmark entries.

Q: How does the Ryzen 9 7940HX rank among all CPUs?

A: It sits in the 94th percentile of all CPUs in the database. Its average benchmark score of 69875 places it 0.2% below the AMD Ryzen 7 9700F, 0.4% below the Intel Core i7-14700KF, 0.5% above the AMD Ryzen 9 7950X, and 0.7% above the Intel Core i7-14700K.

Q: What is the L3 cache difference between these two processors?

A: The Ryzen 9 7940HX has 64 MB of L3 cache, while the Ryzen Embedded 9950X3D has 128 MB. Both use a dual-chiplet design with 1 MB of L2 cache per core.

Q: Do both processors support ECC memory?

A: No. The Ryzen Embedded 9950X3D supports ECC memory, while the Ryzen 9 7940HX does not list ECC support in its specifications.

Q: What are the TDP values for these processors?

A: The Ryzen 9 7940HX has a TDP of 55 W, while the Ryzen Embedded 9950X3D has a TDP of 170 W.

Q: Which processor has the higher boost clock?

A: The Ryzen Embedded 9950X3D boosts to 5.70 GHz, while the Ryzen 9 7940HX boosts to 5.20 GHz. The base clocks are 4.30 GHz and 2.40 GHz respectively.

Architecture Differences

The two processors come from different AMD generations. The Ryzen 9 7940HX uses the Zen 4 architecture on the Dragon Range codename, part of the 7000 series and Ryzen 9 generation. The Ryzen Embedded 9950X3D uses the Zen 5 architecture on the Granite Ridge codename, part of the 9000 series and Ryzen Embedded generation.

Process technology differs: the 7940HX uses a 5 nm process node, while the 9950X3D uses a 4 nm node. Both are fabricated by TSMC. Transistor counts reflect the newer process: the 9950X3D houses 16,630 million transistors across its two chiplets, while the 7940HX contains 13,140 million. Die sizes are nearly identical at 2x 71 mm² for the 7940HX and 2x 70.6 mm² for the 9950X3D.

Cache architecture differs significantly. The 7940HX provides 64 KB of L1 cache per core and 1 MB of L2 per core with 64 MB of shared L3. The 9950X3D increases L1 to 80 KB per core, maintains 1 MB L2 per core, and doubles L3 to 128 MB. Neither processor lists a V-Cache variant in their specifications.

Memory support is DDR5 for both, with dual-channel buses. The 7940HX achieves 83.2 GB/s memory bandwidth, while the 9950X3D achieves 89.6 GB/s. PCIe support also differs: the 7940HX provides 28 PCIe Gen 5 lanes (CPU only), while the 9950X3D provides 24 PCIe Gen 5 lanes (CPU only).

Integrated graphics differ in naming. The 7940HX includes Radeon 610M graphics, while the 9950X3D includes Radeon Graphics. Both processors have unlocked multipliers.

Specification Differences

The core and thread counts are identical: both processors feature 16 cores and 32 threads. Clock speeds differ substantially. The 7940HX runs at 2.40 GHz base and 5.20 GHz boost. The 9950X3D runs at 4.30 GHz base and 5.70 GHz boost, representing a 1.90 GHz higher base clock and 0.50 GHz higher boost clock.

TDP differs by 115 W. The 7940HX is rated at 55 W, targeting mobile platforms. The 9950X3D is rated at 170 W, targeting desktop embedded applications. Socket compatibility separates the two: the 7940HX uses AMD Socket FL1, while the 9950X3D uses AMD Socket AM5.

ECC memory support is exclusive to the 9950X3D. The 7940HX does not support ECC memory. Memory bandwidth favors the 9950X3D at 89.6 GB/s versus 83.2 GB/s for the 7940HX. PCIe lane counts favor the 7940HX with 28 lanes versus 24 lanes for the 9950X3D, both Gen 5.

Release dates place the 7940HX in January 2024 and the 9950X3D in October 2025. The 7940HX targets the mobile market segment, while the 9950X3D targets the desktop segment. Both processors are currently in active production. Neither processor has a recorded launch MSRP in the database. Part numbers are 100-000001486 for the 7940HX and 100-000000719E for the 9950X3D.