AMD Ryzen Embedded 9900X3D vs AMD Ryzen Threadripper 9980X Comparison

The Verdict

The data positions these two AMD processors in entirely different performance classes. The Ryzen Embedded 9900X3D, with 12 cores and 24 threads, sits at the 50th percentile among all CPUs in the database, while the Ryzen Threadripper 9980X lands at the 99th percentile with 64 cores and 128 threads. The Threadripper 9980X is the clear choice for workloads that scale with core count, as its benchmark scores show massive multi-threaded advantages. The Embedded 9900X3D, by contrast, is for systems that need high single-thread boost clocks (5.50 GHz versus 5.40 GHz) and a lower thermal envelope of 120 W TDP instead of 350 W. The Embedded part targets compact desktop platforms on Socket AM5, while the Threadripper requires Socket sTR5 for high-end workstation builds. For anyone needing maximum parallel throughput, the Threadripper 9980X is the data-backed answer. For single-thread responsiveness and modest power draw, the Embedded 9900X3D holds the edge.

Architecture Differences

Both processors use TSMC's 4 nm process node and both are built around AMD's Zen 5 architecture. The Embedded 9900X3D carries the codename Granite Ridge and belongs to the Ryzen Embedded generation, whereas the Threadripper 9980X uses the codename Shimada Peak and belongs to the Ryzen Threadripper generation. The die sizes reveal the core-count gap: the Embedded chip uses 2x 70.6 mm² dies with 16,630 million transistors, while the Threadripper uses 8x 70.6 mm² dies with 66,520 million transistors. That is roughly four times the transistor count and four times the number of compute dies.

Cache configurations differ substantially. The Embedded 9900X3D provides 80 KB of L1 per core, 1 MB of L2 per core, and a shared 128 MB of L3 cache. The Threadripper 9980X provides 64 KB of L1 per core, 1 MB of L2 per core, and a shared 256 MB of L3 cache, double the L3 capacity of the Embedded part. Memory subsystems also diverge: the Embedded processor runs dual-channel DDR5 with 89.6 GB/s of bandwidth, while the Threadripper runs quad-channel DDR5 with 204.8 GB/s of bandwidth, a 2.3x increase in theoretical memory throughput. Both support ECC memory, and both have unlocked multipliers. The Embedded 9900X3D includes Radeon integrated graphics, while the Threadripper 9980X has no integrated graphics. PCIe lane counts differ by a wide margin: 24 Gen 5 lanes on the Embedded chip versus 80 Gen 5 lanes on the Threadripper. The Embedded part's higher base clock of 4.40 GHz versus 3.20 GHz on the Threadripper reflects its smaller core count and lower TDP.

Head-to-Head Benchmarks

The database includes a full benchmark suite for the Threadripper 9980X but no recorded scores for the Embedded 9900X3D, so direct head-to-head comparisons rest on the Threadripper's absolute results and the Embedded part's specifications. The Threadripper 9980X posts 13157 points in Cinebench R15 multi-core, 54822 in Cinebench R20 multi-core, and 130529 in Cinebench R23 multi-core. Single-core results are 1857 in Cinebench R15, 7739 in Cinebench R20, and 18427 in Cinebench R23. The Embedded 9900X3D's higher boost clock of 5.50 GHz suggests it can match or exceed those single-core figures, but no measured scores exist in the database to confirm.

PassMark results for the Threadripper 9980X show extreme multi-threaded performance: 141641 in PassMark multithread, 872071 in integer math, 559003 in floating point math, and 2974534 in data compression. Single-thread performance registers 4537 in PassMark single-thread. The Threadripper also scores 157137 in data encryption, 228959 in extended instructions, 292083 in random string sorting, 8001 in physics, and 769 in find prime numbers. Its average benchmark score is 321753, placing it marginally ahead of the AMD Ryzen Threadripper PRO 9985WX, which averages 320749, a 0.3% lead. The Threadripper 9980X also beats the Intel Xeon 6781P (315524, 2% slower), the AMD EPYC 9575F (311774, 3.2% slower), and the AMD EPYC 9734 (310619, 3.6% slower) in average score.

The Embedded 9900X3D's 128 MB L3 cache and 5.50 GHz boost clock point toward strong single-thread and cache-sensitive performance, but without benchmark entries in the database, its measured wins cannot be quantified. The Threadripper 9980X, by contrast, has a complete recorded benchmark profile that demonstrates why it holds the 99th percentile position.

FAQ

Q: Which processor has more cores and threads?

A: The AMD Ryzen Threadripper 9980X has 64 cores and 128 threads. The AMD Ryzen Embedded 9900X3D has 12 cores and 24 threads.

Q: What are the boost clock differences?

A: The Embedded 9900X3D boosts to 5.50 GHz, while the Threadripper 9980X boosts to 5.40 GHz. The Embedded part also has a higher base clock at 4.40 GHz versus 3.20 GHz.

Q: How much L3 cache does each processor have?

A: The Embedded 9900X3D has 128 MB of L3 cache. The Threadripper 9980X has 256 MB of L3 cache, double the Embedded part's capacity.

Q: What memory bandwidth does each support?

A: The Embedded 9900X3D supports dual-channel DDR5 with 89.6 GB/s of bandwidth. The Threadripper 9980X supports quad-channel DDR5 with 204.8 GB/s of bandwidth.

Q: What is the Threadripper 9980X's average benchmark score and percentile?

A: The Threadripper 9980X has an average benchmark score of 321753 and sits at the 99th percentile among all CPUs. Its nearest rival, the AMD Ryzen Threadripper PRO 9985WX, averages 320749, a 0.3% difference.

Q: Does the Embedded 9900X3D have integrated graphics?

A: Yes, the Embedded 9900X3D includes Radeon Graphics. The Threadripper 9980X has no integrated graphics.

Q: What PCIe lane counts are available?

A: The Embedded 9900X3D provides 24 Gen 5 lanes from the CPU. The Threadripper 9980X provides 80 Gen 5 lanes from the CPU.

Where Each One Wins

The Threadripper 9980X wins decisively in any workload that uses many cores. Its Cinebench R23 multi-core score of 130529, PassMark multithread score of 141641, and data compression score of 2974534 demonstrate extreme parallel throughput. The 64-core, 128-thread configuration, combined with 256 MB of L3 cache and 204.8 GB/s of memory bandwidth, makes it the stronger choice for rendering, scientific computing, data processing, and any task that can distribute work across dozens of threads. Its 80 PCIe Gen 5 lanes also provide far more expansion capability for multi-GPU and high-speed storage configurations. The 350 W TDP reflects the power required to feed those 64 cores, and the sTR5 socket platform supports that high-end workstation role.

The Embedded 9900X3D wins in scenarios where single-thread clock speed, power efficiency, and platform footprint matter. Its 5.50 GHz boost clock exceeds the Threadripper's 5.40 GHz, and its 4.40 GHz base clock is substantially higher. The 120 W TDP makes it far easier to cool and power, and the AM5 socket allows for compact desktop builds. The 128 MB L3 cache is still substantial, and the dual-channel memory bus with 89.6 GB/s is sufficient for many desktop applications. The integrated Radeon Graphics removes the need for a discrete GPU in basic display configurations. The Embedded 9900X3D also benefits from a 24-lane Gen 5 PCIe connection, which covers a single high-end GPU and fast NVMe storage.

The Threadripper 9980X's benchmark profile shows a processor that leads its nearest rivals by narrow margins. It is 0.3% ahead of the Ryzen Threadripper PRO 9985WX, 2% ahead of the Intel Xeon 6781P, 3.2% ahead of the AMD EPYC 9575F, and 3.6% ahead of the AMD EPYC 9734 in average score. Those deltas are small, but the Threadripper 9980X holds the top position in its comparison group. The Embedded 9900X3D has no benchmark entries, so its competitive positioning relies on its specification advantages: higher clocks, lower TDP, and a smaller physical platform.

The use-case split is clear from the data. Multi-threaded content creation, server-style workloads, and heavy parallel compute belong to the Threadripper 9980X. Single-thread-sensitive applications, embedded systems, and desktop platforms with tight power and space budgets belong to the Embedded 9900X3D. The Threadripper's 99th percentile ranking versus the Embedded part's 50th percentile ranking underscores the performance gulf, but the 120 W TDP difference and the socket platform differences mean these processors target different system classes entirely. The Threadripper 9980X was released on 2025-07-29 with a launch MSRP of $4999. The Embedded 9900X3D was released on 2025-10-06 with no launch MSRP recorded in the database.