AMD Ryzen Threadripper 2950X vs Intel Core i9-12900E Comparison

The AMD Ryzen Threadripper 2950X and Intel Core i9-12900E are both 16-core desktop processors, but they represent fundamentally different design philosophies and eras. The data shows a near tie in average benchmark score, with the Threadripper 2950X at 6647 and the i9-12900E at 6611. However, this overall parity masks a stark split in workload performance: the AMD part dominates legacy Cinebench rendering tests, while the Intel part wins decisively in Geekbench. Understanding where each processor excels is key to choosing between them, as the benchmark results indicate they are not interchangeable.

Where Each One Wins

The AMD Ryzen Threadripper 2950X is the clear winner in the Cinebench suite, taking all six head-to-head matchups in the R15, R20, and R23 versions. Its lead is consistent, hovering around 6.4% to 6.6% across both single-core and multi-core tests. For example, it scores 2523 versus 2371 in Cinebench R15 multi-core (a 6.4% advantage) and 25040 versus 23529 in Cinebench R23 multi-core (also 6.4% ahead). This consistency suggests a fundamental architectural edge in the Zen+ design for this specific rendering workload, likely tied to its higher thread count (32 threads vs 24) and larger L3 cache (32 MB vs 30 MB).

The Intel Core i9-12900E is the winner in the Geekbench suite, and its margins are far more dramatic. It scores 10280 versus 8469 in Geekbench multi-core, a 17.6% lead, and 1775 versus 1255 in single-core, a massive 29.3% lead. This is not a marginal victory; it is a generational leap in IPC and clock speed. The i9-12900E’s 5.00 GHz boost clock, compared to the Threadripper’s 4.40 GHz, is a primary driver here, along with the newer Alder Lake architecture. For workloads that rely on Geekbench-style integer and floating-point operations, the Intel part is the clear choice.

The use-case split is therefore straightforward: the Threadripper 2950X is for Cinebench-style rendering and multi-threaded production tasks that scale with thread count, while the i9-12900E is for general-purpose computing, single-threaded applications, and Geekbench-heavy workloads. The data shows no scenario where both processors are competitive in the same benchmark family.

FAQ

Q: Which processor has the higher average benchmark score?

A: The AMD Ryzen Threadripper 2950X has a slightly higher average benchmark score of 6647, compared to the Intel Core i9-12900E’s 6611. This difference is only 0.5%, placing them in the same performance tier.

Q: How large is the Intel’s lead in single-core performance?

A: The Intel Core i9-12900E leads by 29.3% in Geekbench single-core (1775 vs 1255) and by 6.4% to 6.6% in Cinebench single-core tests (e.g., 3535 vs 3321 in Cinebench R23 single-core).

Q: Does the AMD processor win any multi-core tests?

A: Yes. The AMD Ryzen Threadripper 2950X wins all Cinebench multi-core tests, including a 6.4% lead in Cinebench R15 (2523 vs 2371), R20 (10516 vs 9882), and R23 (25040 vs 23529).

Q: What is the total number of benchmark wins for each processor?

A: The AMD Ryzen Threadripper 2950X wins 6 out of 8 head-to-head benchmarks, while the Intel Core i9-12900E wins 2 out of 8.

Q: Which processor has a higher boost clock?

A: The Intel Core i9-12900E has a boost clock of 5.00 GHz, which is significantly higher than the AMD Ryzen Threadripper 2950X’s 4.40 GHz. This contributes to its Geekbench dominance.

Q: How does the power draw differ between the two?

A: The AMD Ryzen Threadripper 2950X has a TDP of 180 W, while the Intel Core i9-12900E has a TDP of 65 W. The Intel part is rated for substantially lower power consumption.

Head-to-Head Benchmarks

The most striking result is the Geekbench single-core test, where the Intel Core i9-12900E delivers a 29.3% higher score (1775 vs 1255). This is the largest delta in the entire comparison. The Geekbench multi-core test also favors Intel, with a 17.6% lead (10280 vs 8469), which is surprising given the AMD part has 32 threads versus Intel’s 24. The Threadripper’s advantage in thread count is not enough to overcome the i9-12900E’s superior per-core performance in this workload.

Conversely, the AMD Ryzen Threadripper 2950X wins every Cinebench test, but the margins are remarkably uniform. Across R15, R20, and R23, and in both single-core and multi-core modes, the delta is consistently between 6.4% and 6.6%. For instance, in Cinebench R15 single-core, the AMD part scores 356 versus 334 (a 6.6% win), and in Cinebench R20 multi-core, it scores 10516 versus 9882 (a 6.4% win). This uniformity suggests a stable architectural advantage for the Zen+ design in Cinebench’s rendering engine, independent of core count or clock speed.

The average benchmark scores from the nearest rivals confirm the close overall standing. The i9-12900E’s nearest rival, the Intel Core i5-13400E, has an average score of 6638, which is only 0.1% higher than the i9-12900E’s 6611. The Threadripper 2950X sits between the Intel Core i9-9940X (6657, 0.1% higher) and the i5-13400E (6638, 0.1% lower). This data indicates that while the two processors trade blows in specific tests, their overall performance is nearly indistinguishable, making the workload-specific wins the only meaningful differentiator.

Specification Differences

The two processors differ in nearly every fundamental specification. The AMD Ryzen Threadripper 2950X has 16 cores and 32 threads, while the Intel Core i9-12900E has 16 cores and 24 threads. The Threadripper’s base clock is 3.50 GHz versus the i9-12900E’s 2.30 GHz, but the Intel part’s boost clock is higher at 5.00 GHz versus 4.40 GHz. The TDP ratings are vastly different: the AMD part is rated at 180 W, while the Intel part is rated at 65 W.

The memory support also diverges. The Threadripper 2950X supports only DDR4 with a quad-channel memory bus and a memory bandwidth of 93.9 GB/s. The i9-12900E supports both DDR4 and DDR5, but uses a dual-channel memory bus, with no memory bandwidth figure provided. The PCIe capabilities are another major difference: the AMD part offers Gen 3 with 60 lanes (CPU only), while the Intel part offers Gen 5 with 20 lanes (CPU only). The Intel part includes integrated graphics (UHD Graphics 770), while the AMD part has none.

The launch MSRP also differs, with the AMD Ryzen Threadripper 2950X at $899 and the Intel Core i9-12900E at $494. The sockets are incompatible: the AMD part uses AMD Socket SP3r2, while the Intel part uses Intel Socket 1700. The part numbers are YD295XA8UGAAF for AMD and SRL6B for Intel.

Architecture Differences

The architectural gap is generational. The AMD Ryzen Threadripper 2950X is built on the Zen+ architecture with the codename Colfax, part of the Ryzen Threadripper (Zen+ (Colfax)) generation. It uses a 12 nm process node from GlobalFoundries, with 9,600 million transistors on a die size of 2x 213 mm². The Intel Core i9-12900E is built on the Alder Lake architecture with the codename Alder Lake-S, part of the Core i9 (Alder Lake-S) generation. It uses a 10 nm process node from Intel, with a die size of 215 mm² (transistor count not provided).

The cache hierarchies also differ. The AMD part has 96 KB of L1 cache per core, 512 KB of L2 cache per core, and 32 MB of L3 cache. The Intel part has 80 KB of L1 cache per core, 1.25 MB of L2 cache per core, and 30 MB of shared L3 cache. The AMD part has a larger L3 cache overall, while the Intel part has larger L2 and L1 caches per core. The Intel part’s higher single-core performance in Geekbench is consistent with its larger per-core L2 cache and higher boost clock, while the AMD part’s Cinebench win suggests its extra threads and larger L3 cache matter more for that workload.

Both processors have an unlocked multiplier, allowing for overclocking. Neither supports ECC memory, and both are marked as Active in production status and target the Desktop market segment. The release dates are far apart: the Threadripper 2950X launched on 2018-08-30, while the i9-12900E launched on 2022-01-03. The Intel part is the newer design, which explains its superior per-clock efficiency in Geekbench, while the AMD part leverages its older, higher-TDP design for sustained multi-threaded rendering.