AMD Ryzen Threadripper 1900X vs Intel Xeon E5-2669 v3 Comparison

Head-to-Head Benchmarks

The recorded data presents a clean sweep for the AMD Ryzen Threadripper 1900X over the Intel Xeon E5-2669 v3 across every benchmark test in the comparison. The AMD part wins all six head-to-head tests, with margins ranging from 4.3% to 4.6%. These are not narrow, noise-level differences; they are consistent, repeatable advantages that appear in both single-threaded and multi-threaded workloads.

Starting with the multi-core results, the Threadripper 1900X scores 1440 in Cinebench R15 multi-core, while the Xeon E5-2669 v3 manages 1379. That is a 4.4% lead for the AMD chip. In Cinebench R20 multi-core, the gap remains identical at 4.4%, with scores of 6000 versus 5749. The Cinebench R23 multi-core test shows the same pattern: the Threadripper 1900X posts 14286, the Xeon 13690, again a 4.4% advantage. The consistency across three different versions of the same rendering benchmark strongly indicates a stable architectural edge rather than a workload-specific fluke.

The single-core results tell a similar story, but with slightly larger margins. In Cinebench R15 single-core, the AMD part scores 203 versus the Intel’s 194, a 4.6% lead. Cinebench R20 single-core shows 846 versus 811, a 4.3% difference. Cinebench R23 single-core narrows slightly to 4.3% again, with scores of 2016 and 1932. It is notable that the Threadripper’s single-core advantage is roughly the same size as its multi-core advantage. This suggests the Ryzen design’s per-thread efficiency is not being diluted when all cores are active, which is a meaningful distinction for a processor with fewer physical cores.

Looking at the aggregate benchmark scores, the Threadripper 1900X has an average benchmark score of 4073, while the Xeon E5-2669 v3 sits at 3959. That works out to roughly a 2.9% overall difference, slightly smaller than the head-to-head margins because the Geekbench tests are included in the aggregate but not in the direct comparison set. The Threadripper’s Geekbench multi-core score is 6588 and single-core is 1205; the Xeon has no recorded Geekbench results in this database, so the aggregate comparison is incomplete but still favors AMD.

Percentile positioning is identical: both processors sit at the 57th percentile among all CPUs in the database. This means that while the Threadripper is the clear winner in this direct matchup, neither chip is an outlier at the top of the performance distribution. Their nearest rivals confirm this mid-pack placement. The Threadripper’s closest competitor is the Intel Core i5-12500TE with an average score of 4083, a negligible 0.3% difference. The Intel Xeon E-2278G trails by 0.5%, and the AMD Ryzen 7 PRO 2700X and Ryzen 9 5980HS are 1% and 1.2% behind respectively. The Xeon E5-2669 v3’s nearest rival is the AMD Ryzen 3 7330U with a matching average score of 3958, essentially a tie. The Intel Core i7-6900K is 0.3% ahead, and the Ryzen 7 PRO 5875U and Ryzen 5 PRO 4650G are 0.3% and 0.5% ahead respectively.

The decisive factor is that the Threadripper 1900X wins every single head-to-head test, and does so with a margin that never drops below 4.3%. In a direct comparison, that is a commanding result. The Xeon may have more cores and threads, but the data shows that the Ryzen’s higher clock speeds and newer architecture compensate fully, and then some, for the core-count deficit.

Where Each One Wins

The benchmark data leaves little room for a use-case split favoring the Intel Xeon E5-2669 v3. Across all six head-to-head tests, the AMD Ryzen Threadripper 1900X takes the win. There is no single benchmark where the Xeon comes out ahead, whether the workload is purely single-threaded or fully multi-threaded.

For single-threaded workloads, the Threadripper’s advantage is clear. Its base clock of 3.80 GHz and boost clock of 4.00 GHz, combined with the Zen architecture, produce scores of 203, 846, and 2016 in the three Cinebench single-core tests. The Xeon’s 2.30 GHz base and 3.10 GHz boost, on the older Haswell architecture, yield 194, 811, and 1932. The margins of 4.6%, 4.3%, and 4.3% respectively are consistent and meaningful for applications that rely on a single thread, such as legacy software or lightly threaded productivity tools.

For multi-threaded workloads, the situation is more nuanced. The Xeon has 12 cores and 24 threads, compared to the Threadripper’s 8 cores and 16 threads. That is a 50% core advantage and a 50% thread advantage for Intel. Yet the Threadripper still wins all three multi-core tests. The explanation lies in the clock speed gap. The Threadripper’s base clock is 65% higher than the Xeon’s, and its boost is 29% higher. The Zen architecture’s per-clock efficiency, combined with the higher frequency, overcomes the raw core count disadvantage. The multi-core margins of 4.4% across all three Cinebench versions show that the AMD part scales its performance smoothly even with fewer threads.

The Xeon’s only potential winning scenario would be in environments where error-correcting memory is mandatory. The database lists the Xeon as supporting ECC memory, while the Threadripper 1900X does not. However, no benchmark data is provided for ECC-dependent workloads, so this is a feature difference, not a measured performance advantage. Similarly, the Xeon’s lower TDP of 120 watts versus the Threadripper’s 180 watts suggests a power efficiency edge, but the database provides no power consumption measurements to quantify this.

In practical terms, the Threadripper 1900X wins rendering workloads, single-threaded tasks, and all measured synthetic benchmarks. The Xeon E5-2669 v3 offers no recorded performance win in any test. Its appeal would have to rest entirely on platform features like ECC memory support and its server/workstation market segment, not on the benchmark data.

The Verdict

Based strictly on the recorded measurements, the AMD Ryzen Threadripper 1900X is the superior processor for performance. It wins all six head-to-head benchmarks, including every multi-core and single-core test, with margins between 4.3% and 4.6%. The average benchmark score of 4073 versus 3959 reinforces this conclusion.

Users who prioritize raw compute performance, especially in Cinebench-style rendering workloads, should choose the Threadripper 1900X. The data shows it delivers higher scores in both single-threaded and multi-threaded tests despite having fewer cores. Its unlocked multiplier also allows for overclocking, which the database confirms, potentially extending the performance gap further. The Xeon’s multiplier is locked, offering no such headroom.

The Intel Xeon E5-2669 v3 would only be the appropriate choice for a narrow set of requirements. If ECC memory is a non-negotiable requirement, the database shows the Xeon supports it while the Threadripper does not. If a lower TDP of 120 watts is critical for a power-constrained system, the Xeon has that advantage on paper. However, no performance benchmark in the database favors the Xeon. For any workload measured here, the Threadripper 1900X is the clear winner.

The production status also matters. The Threadripper is listed as active, while the Xeon is end-of-life. For new system builds, the AMD part is the more future-proof choice based on availability alone. The Xeon’s release date is not recorded in the database, but its end-of-life status signals a discontinued product.

In summary, the verdict is unambiguous: choose the AMD Ryzen Threadripper 1900X for better benchmark performance across all tested workloads. Choose the Intel Xeon E5-2669 v3 only if the platform requires ECC memory or a lower TDP, and even then, recognize that the performance data does not support the Intel part.

FAQ

Q: Which processor wins the Cinebench R23 multi-core test?

A: The AMD Ryzen Threadripper 1900X wins with a score of 14286, compared to the Intel Xeon E5-2669 v3’s 13690, a 4.4% difference.

Q: Does the Intel Xeon E5-2669 v3 win any benchmark in the head-to-head comparison?

A: No. The Xeon loses all six head-to-head tests. The AMD Threadripper 1900X wins every Cinebench R15, R20, and R23 test in both single-core and multi-core variants.

Q: What is the average benchmark score difference between the two processors?

A: The Threadripper 1900X has an average benchmark score of 4073, while the Xeon E5-2669 v3 has 3959. The AMD part is approximately 2.9% higher.

Q: Which processor supports ECC memory?

A: The Intel Xeon E5-2669 v3 supports ECC memory. The AMD Ryzen Threadripper 1900X does not support ECC memory according to the database.

Q: How do the core counts compare?

A: The Intel Xeon E5-2669 v3 has 12 cores and 24 threads. The AMD Ryzen Threadripper 1900X has 8 cores and 16 threads. Despite fewer cores, the AMD part wins all multi-core benchmarks.

Q: What is the production status of each processor?

A: The AMD Ryzen Threadripper 1900X is listed as active in production. The Intel Xeon E5-2669 v3 is listed as end-of-life.

Architecture Differences

The two processors come from fundamentally different architectural eras and design philosophies. The AMD Ryzen Threadripper 1900X is built on the Zen architecture, codenamed Whitehaven, using a 14 nm process node from GlobalFoundries. The Intel Xeon E5-2669 v3 uses the Haswell architecture, codenamed Haswell-EP, on a 22 nm process node from Intel. The process node difference is significant: 14 nm versus 22 nm represents a major generational leap in manufacturing technology, which contributes to the AMD part’s higher clock speeds and better efficiency per watt.

The transistor counts differ dramatically. The Threadripper 1900X contains 9,600 million transistors across a die size of 2x 213 mm². The Xeon E5-2669 v3 has 2,600 million transistors on a single 356 mm² die. The AMD part’s transistor count is more than 3.5 times higher, reflecting the denser 14 nm process and the use of two separate dies. This dual-die design is a hallmark of the Threadripper architecture, enabling higher core counts and larger caches within a single package.

Cache hierarchies also differ. The Threadripper 1900X has 96 KB of L1 cache per core, 512 KB of L2 cache per core, and 32 MB of L3 cache. The Xeon E5-2669 v3 has 64 KB of L1 per core, 256 KB of L2 per core, and 30 MB of shared L3 cache. The AMD part has larger per-core caches at every level, which helps explain its strong single-core performance despite the Xeon’s higher core count. The L3 cache is also larger in total on the AMD side: 32 MB versus 30 MB.

Memory support is another point of divergence. The Threadripper 1900X supports DDR4 memory only, with a quad-channel memory bus and a maximum bandwidth of 85.3 GB/s. The Xeon E5-2669 v3 supports both DDR3 and DDR4, also with a quad-channel bus, but its memory bandwidth is lower at 68.3 GB/s. The AMD part’s higher bandwidth gives it an edge in memory-intensive workloads, though the Xeon’s support for older DDR3 memory could be an advantage for platforms with existing DDR3 infrastructure.

PCIe capabilities differ as well. The Threadripper 1900X offers 60 PCIe Gen 3 lanes from the CPU, while the Xeon E5-2669 v3 provides 40 PCIe Gen 3 lanes. This is a substantial difference for systems with many expansion cards, GPUs, or NVMe drives. The Threadripper’s 50% more PCIe lanes make it the better choice for high-bandwidth I/O configurations.

The sockets are incompatible: the Threadripper uses AMD Socket SP3r2, while the Xeon uses Intel Socket 2011-3. The Threadripper has an unlocked multiplier, confirmed in the database, enabling overclocking. The Xeon’s multiplier is locked, preventing manual frequency adjustment. The Threadripper’s market segment is Desktop, while the Xeon is classified as Server/Workstation, reflecting their intended use cases.

Specification Differences

The two processors differ across nearly every major specification field in the database. The most obvious difference is core count: the AMD Ryzen Threadripper 1900X has 8 cores and 16 threads, while the Intel Xeon E5-2669 v3 has 12 cores and 24 threads. The Intel part offers 50% more cores and threads, yet loses all benchmark tests to the AMD part.

Clock speeds heavily favor the Threadripper. The AMD part has a base clock of 3.80 GHz and a boost clock of 4.00 GHz. The Xeon has a base clock of 2.30 GHz and a boost clock of 3.10 GHz. The Threadripper’s base clock is 1.5 GHz higher, and its boost clock is 0.9 GHz higher. This frequency advantage is the primary reason the AMD part wins despite the core deficit.

TDP differs notably. The Threadripper 1900X has a TDP of 180 watts, while the Xeon E5-2669 v3 has a TDP of 120 watts. The AMD part consumes more power on paper, but the database provides no measured power consumption data, so this is a theoretical specification rather than a tested result.

Memory support and bandwidth differ. The Threadripper supports DDR4 only, with a quad-channel bus and 85.3 GB/s bandwidth. The Xeon supports DDR3 and DDR4, also quad-channel, but with 68.3 GB/s bandwidth. ECC memory support is exclusive to the Xeon; the Threadripper does not support ECC.

PCIe lane counts differ, with the Threadripper offering 60 Gen 3 lanes versus the Xeon’s 40 Gen 3 lanes. The socket types are incompatible: SP3r2 for AMD, 2011-3 for Intel. The production status differs: the Threadripper is active, the Xeon is end-of-life. The Threadripper has an unlocked multiplier and a launch MSRP of $549, while the Xeon has no recorded launch MSRP and a locked multiplier. The process node is 14 nm for AMD versus 22 nm for Intel, and the foundry is GlobalFoundries for AMD versus Intel for the Xeon. Transistor counts are 9,600 million for AMD versus 2,600 million for Intel, with die sizes of 2x 213 mm² for AMD versus 356 mm² for Intel. Cache sizes differ at all levels, with AMD having larger per-core L1 and L2 and a larger total L3.