AMD Ryzen Threadripper 9970X vs Qualcomm Snapdragon X1E-78-100 Comparison

The Verdict

The AMD Ryzen Threadripper 9970X is the clear performance leader in this comparison, delivering a 32-core, 64-thread Zen 5 configuration that ranks in the 99th percentile of all CPUs in the database. The Qualcomm Snapdragon X1E-78-100, by contrast, sits at the 50th percentile with 12 cores and 12 threads, placing it in a fundamentally different performance class. The Threadripper 9970X is aimed at desktop workstation workloads where maximum multi-threaded throughput matters, while the Snapdragon X1E-78-100 targets mobile devices with a 35 W TDP and integrated Adreno X1-85 graphics. The data shows no benchmark overlap between the two, as the head-to-head benchmark results are empty, and the Snapdragon has no recorded benchmark scores or rival comparisons in the database.

The Threadripper 9970X is the only choice for users requiring high core counts, extensive PCIe Gen 5 connectivity with 80 CPU lanes, and support for 128 MB of L3 cache. The Snapdragon X1E-78-100, with its 12 MB L2 cache per module, 6 MB shared L3 cache, and dual-channel LPDDR5X memory, is positioned for thin-and-light mobile systems where power efficiency and integrated graphics take priority over raw compute. The production status for both is listed as Active, but their market segments diverge sharply: Desktop for AMD, Mobile for Qualcomm.

Where Each One Wins

The Threadripper 9970X wins decisively in every compute-heavy category that the database measures. Its PassMark multi-thread score of 107,399, single-thread score of 4,530, and average benchmark score of 279,778 place it among the top server and workstation processors. The data shows the Threadripper 9970X delivers 1,757,998 in data compression, 86,765 in data encryption, 142,342 in extended instructions, 615 in prime number finding, 309,719 in floating-point math, 465,378 in integer math, 6,835 in physics, and 191,445 in random string sorting. These figures establish it as a dominant force for rendering, simulation, scientific computing, and large-scale data processing.

The Snapdragon X1E-78-100 wins in portability and integration. Its 35 W TDP is a fraction of the Threadripper 9970X's 350 W TDP, and it includes the Adreno X1-85 integrated GPU, whereas the Threadripper 9970X has no integrated graphics at all. The Snapdragon also supports LPDDR5X memory, which is standard for mobile platforms, and its 12-core configuration with a 3.40 GHz base clock is sufficient for mainstream productivity tasks. The Qualcomm part is the only one of the two that can operate without a discrete GPU in a compact mobile chassis.

Architecture Differences

The Threadripper 9970X uses the Zen 5 architecture under the codename Shimada Peak, built on a 4 nm process at TSMC with 33,260 million transistors across a 4x 70.6 mm² die configuration. It features 64 KB of L1 cache per core, 1 MB of L2 cache per core, and 128 MB of L3 cache. The Snapdragon X1E-78-100 uses the Oryon codename under the Snapdragon X Elite generation, also built on a 4 nm process at TSMC, but with a different cache hierarchy: 288 KB of L1 cache per core, 12 MB of L2 cache per module, and 6 MB of shared L3 cache. The Threadripper 9970X has a quad-channel DDR5 memory bus with 204.8 GB/s bandwidth, while the Snapdragon uses a dual-channel LPDDR5X bus with 135.2 GB/s bandwidth.

The Threadripper 9970X supports ECC memory, has an unlocked multiplier, and uses the AMD Socket sTR5. The Snapdragon X1E-78-100 does not support ECC memory, has a locked multiplier, and uses Qualcomm BGA 2073. The Threadripper 9970X provides PCIe Gen 5 with 80 CPU lanes, while the Snapdragon provides PCIe Gen 4 with 12 CPU lanes. The Threadripper 9970X has no integrated graphics; the Snapdragon includes Adreno X1-85. The release dates differ substantially: the Threadripper 9970X launched on 2025-07-29, while the Snapdragon X1E-78-100 launched on 2024-04-23.

FAQ

Q: Which processor has more cores?

A: The AMD Ryzen Threadripper 9970X has 32 cores and 64 threads, while the Qualcomm Snapdragon X1E-78-100 has 12 cores and 12 threads.

Q: Does the Snapdragon X1E-78-100 have integrated graphics?

A: Yes, the Snapdragon X1E-78-100 includes the Adreno X1-85 integrated GPU. The Threadripper 9970X has no integrated graphics (N/A).

Q: What is the TDP difference between these two processors?

A: The Threadripper 9970X has a TDP of 350 W, while the Snapdragon X1E-78-100 has a TDP of 35 W.

Q: Which processor supports ECC memory?

A: The Threadripper 9970X supports ECC memory (true), while the Snapdragon X1E-78-100 does not (false).

Q: What memory types do they support?

A: The Threadripper 9970X supports DDR5 memory with a quad-channel bus (204.8 GB/s bandwidth), and the Snapdragon X1E-78-100 supports LPDDR5X with a dual-channel bus (135.2 GB/s bandwidth).

Q: Which processor has a higher single-thread benchmark score?

A: The Threadripper 9970X has a PassMark single-thread score of 4,530. The Snapdragon X1E-78-100 has no recorded benchmark scores in the database.

Head-to-Head Benchmarks

The head-to-head benchmark results between the Threadripper 9970X and the Snapdragon X1E-78-100 are empty in the database, and the Snapdragon has no individual benchmark scores recorded. Consequently, direct numeric comparisons are impossible, and the analysis must rely on the Threadripper 9970X's own benchmark suite and its position relative to other high-end CPUs.

The Threadripper 9970X's average benchmark score of 279,778 places it just 0.2% behind the Intel Xeon 6780E (280,438), 2% behind the AMD EPYC 9565 (285,471), 2.2% behind the Intel Xeon 696X (286,102), and 2.5% behind the AMD EPYC 9555P (287,066). These deltas confirm the Threadripper 9970X sits in the top tier of workstation and server processors, with the nearest rivals all within a few percentage points. The PassMark multi-thread score of 107,399 and floating-point math score of 309,719 illustrate its strength in parallel workloads. The single-thread score of 4,530 indicates competitive per-core performance despite the high core count.

The Snapdragon X1E-78-100 has no benchmark scores and no nearest rivals in the database, which means its performance cannot be numerically compared to the Threadripper 9970X or any other CPU. The data only shows its 50th percentile ranking, which suggests mid-pack performance among all CPUs, but no specific workload results are available. The Threadripper 9970X's 99th percentile ranking and extensive benchmark portfolio stand in stark contrast.

Specification Differences

The two processors differ across nearly every specification field. The Threadripper 9970X has 32 cores and 64 threads; the Snapdragon X1E-78-100 has 12 cores and 12 threads. The base clock is 4.00 GHz for the Threadripper 9970X and 3.40 GHz for the Snapdragon. The Threadripper 9970X boosts to 5.40 GHz; the Snapdragon has no recorded boost clock. TDP is 350 W versus 35 W. The socket is AMD Socket sTR5 versus Qualcomm BGA 2073. The architecture is Zen 5 versus a null value, though the codename is Shimada Peak for AMD and Oryon for Qualcomm.

The process node is identical at 4 nm and the foundry is TSMC for both. The Threadripper 9970X has 33,260 million transistors and a die size of 4x 70.6 mm²; the Snapdragon has no transistor count or die size recorded. Cache configurations differ: 64 KB L1 per core and 1 MB L2 per core for the Threadripper 9970X, versus 288 KB L1 per core and 12 MB L2 per module for the Snapdragon. L3 cache is 128 MB for the Threadripper 9970X and 6 MB shared for the Snapdragon. Memory support is DDR5 quad-channel (204.8 GB/s) versus LPDDR5X dual-channel (135.2 GB/s). ECC memory is supported only on the Threadripper 9970X. PCIe is Gen 5 with 80 lanes versus Gen 4 with 12 lanes. The Threadripper 9970X has no integrated graphics; the Snapdragon has Adreno X1-85. The market segment is Desktop for AMD and Mobile for Qualcomm. The Threadripper 9970X has an unlocked multiplier and a launch MSRP of $2499; the Snapdragon has a locked multiplier and no launch MSRP. Release dates are 2025-07-29 for the Threadripper 9970X and 2024-04-23 for the Snapdragon X1E-78-100.