AMD EPYC 9634 vs Intel Xeon 696X Comparison

The Verdict

The Intel Xeon 696X and AMD EPYC 9634 are both 99th percentile server processors, but they solve different problems. The Xeon 696X wins 5 of 14 head-to-head benchmarks, while the EPYC 9634 takes 9. The AMD chip leads in raw multi-threaded throughput, winning every Cinebench multicore test and the PassMark multithread test. The Intel chip answers with decisive wins in single-thread performance and floating-point math. The data suggests the EPYC 9634 is the better choice for heavily threaded, integer-heavy workloads like database processing and physics simulation. The Xeon 696X is the stronger pick for single-threaded responsiveness and floating-point scientific computing. The 9634 also has the higher core count (84 versus 64) and more threads (168 versus 128), which explains its multicore dominance. However, the 696X boosts to 4.80 GHz versus 3.70 GHz on the EPYC, and that clock advantage shows up clearly in the single-thread results. The EPYC 9634 is the volume workhorse; the Xeon 696X is the specialized speedster.

Head-to-Head Benchmarks

The biggest wins for the AMD EPYC 9634 come in tests that scale with core count and integer throughput. In Cinebench R15 multicore, the 9634 scores 9248 against 8994 for the Xeon, a 2.7% edge. The R20 multicore test shows 38535 versus 37475, a 2.8% lead. R23 multicore repeats the pattern: 91752 versus 89227, again 2.8%. The PassMark multithread test gives the 9634 a 107944 score versus 104974, another 2.8% win. These are consistent, if modest, margins across the Cinebench suite.

The AMD chip's most dramatic victories are in integer math and physics. PassMark integer math shows 725356 for the 9634 against 572072 for the 696X, a 21.1% blowout. The physics test is even more lopsided: 12291 versus 3382, a 72.5% deficit for the Intel part. Random string sorting also favors AMD heavily, 261134 versus 180392, a 30.9% gap. Data encryption is another AMD win at 151943 versus 112529, a 25.9% margin. Prime number finding goes to the 9634 as well, 1176 versus 853, a 27.5% advantage.

The Intel Xeon 696X counters with three significant wins. Single-thread performance is its strongest suit: PassMark single-thread scores 3742 versus 2924, a 28% lead. That same 28% margin appears in both single-thread listings in the database. Floating-point math is another Intel stronghold, 450164 versus 353784, a 27.2% edge. Extended instructions also favor Intel, 172975 versus 137543, a 25.8% win. The final Intel victory is in data compression, 2264907 versus 2236412, though the margin is just 1.3%.

The overall win count tells the story: AMD takes 9 benchmarks, Intel takes 5. But the Intel wins are in categories that matter for specific workloads, while the AMD wins are more broadly distributed across multithreaded and integer-heavy tasks.

Architecture Differences

The two processors come from fundamentally different design philosophies. The Intel Xeon 696X uses the Granite Rapids architecture, built on a 5 nm process at Intel's own foundry. The die is listed as 2x 598 mm², meaning a dual-die design. The AMD EPYC 9634 uses the Zen 4 architecture, codenamed Genoa, also on a 5 nm process but fabricated by TSMC. The AMD chip uses a chiplet design with 12x 72 mm² dies, totaling 78,840 million transistors.

Cache configurations differ substantially. The Intel part has 112 KB of L1 per core, 2 MB of L2 per core, and 336 MB of shared L3. The AMD part has 64 KB of L1 per core, 1 MB of L2 per core, and 384 MB of shared L3. The AMD chip has more total L3 cache, but the Intel chip has more L1 and L2 per core. This per-core cache advantage helps explain the Xeon's single-thread performance lead.

Memory architecture also diverges. Both support DDR5 and ECC memory, but the Intel chip uses an eight-channel memory bus with 409.6 GB/s bandwidth. The AMD chip uses a twelve-channel bus with 460.8 GB/s bandwidth. The AMD part has a clear memory bandwidth advantage, which supports its multi-threaded performance.

PCIe capabilities are identical on paper: Gen 5 with 128 lanes (CPU only) for both. The Intel socket is Socket 4710, while the AMD uses Socket SP5. The Intel part has an unlocked multiplier, while the AMD part does not. The AMD EPYC 9634 belongs to the EPYC 9004 series, while the Intel Xeon 696X is part of the Xeon 600 generation (Granite Rapids-WS).

Specification Differences

The core and thread counts are the most obvious differentiators. The Intel Xeon 696X has 64 cores and 128 threads. The AMD EPYC 9634 has 84 cores and 168 threads. The AMD chip offers 31.25% more cores and threads.

Clock speeds tell a different story. The Intel part has a base clock of 2.40 GHz and a boost clock of 4.80 GHz. The AMD part has a base clock of 2.25 GHz and a boost clock of 3.70 GHz. The Xeon's boost clock is nearly 30% higher, which explains its single-thread dominance.

Thermal design power differs as well. The Intel chip has a TDP of 350 W, while the AMD chip has a TDP of 290 W. The AMD part delivers more cores and threads at a lower power envelope, which is notable for dense server deployments.

Memory channels and bandwidth are the other key specification differences. Intel uses eight channels with 409.6 GB/s. AMD uses twelve channels with 460.8 GB/s. The AMD chip has 12.5% more bandwidth, which helps in memory-intensive multi-threaded workloads.

Release dates are far apart. The AMD EPYC 9634 launched on 2022-11-09. The Intel Xeon 696X launched on 2026-02-01. The launch MSRP for the Intel part is $5599. The launch MSRP for the AMD part is $10304. The part numbers are SRWQ7 for Intel and 100-100000797 for AMD.

FAQ

Q: Which processor has more cores?

A: The AMD EPYC 9634 has 84 cores and 168 threads. The Intel Xeon 696X has 64 cores and 128 threads. The AMD chip has 20 more cores and 40 more threads.

Q: Which processor is faster in single-threaded workloads?

A: The Intel Xeon 696X wins the PassMark single-thread test with a score of 3742 versus 2924 for the AMD EPYC 9634, a 28% advantage. The Intel chip's boost clock of 4.80 GHz compared to 3.70 GHz on the AMD part supports this result.

Q: Which processor has more L3 cache?

A: The AMD EPYC 9634 has 384 MB of shared L3 cache. The Intel Xeon 696X has 336 MB. The AMD chip has 48 MB more L3. However, the Intel chip has more L1 and L2 cache per core (112 KB and 2 MB respectively, versus 64 KB and 1 MB on the AMD part).

Q: What is the memory bandwidth difference?

A: The AMD EPYC 9634 has a twelve-channel memory bus with 460.8 GB/s bandwidth. The Intel Xeon 696X has an eight-channel bus with 409.6 GB/s. The AMD chip provides 51.2 GB/s more bandwidth.

Q: Which processor wins in floating-point math?

A: The Intel Xeon 696X wins PassMark floating-point math with a score of 450164 versus 353784 for the AMD EPYC 9634, a 27.2% margin. This indicates a significant advantage for scientific and engineering workloads.

Q: Which processor has the higher TDP?

A: The Intel Xeon 696X has a TDP of 350 W. The AMD EPYC 9634 has a TDP of 290 W. The Intel part consumes 60 W more, despite having fewer cores.

Where Each One Wins

The AMD EPYC 9634 is the clear winner for multi-threaded, integer-heavy workloads. It wins every Cinebench multicore test (R15, R20, R23) and the PassMark multithread test. The 21.1% lead in integer math and the 72.5% lead in physics make it the obvious choice for database query processing, financial modeling, and any workload that depends on integer arithmetic at scale. The 25.9% encryption win and the 30.9% random string sorting win reinforce its suitability for data-heavy server tasks. The 12-channel memory bus with 460.8 GB/s bandwidth supports these multi-threaded wins. The EPYC 9634 also offers more cores (84 versus 64) and threads (168 versus 128) at a lower TDP (290 W versus 350 W).

The Intel Xeon 696X wins where single-thread speed and floating-point precision matter. The 28% single-thread advantage and the 27.2% floating-point math win point toward scientific computing, computational fluid dynamics, and engineering simulation where each core's peak performance is critical. The 25.8% extended instructions win suggests strong support for specialized instruction sets. The data compression win (1.3% over AMD) gives it a small edge in storage-related workloads. The higher boost clock of 4.80 GHz is the key enabler for these wins. For applications that cannot fully utilize 84 cores but benefit from fast per-core execution, the Xeon 696X is the stronger choice.

The differentiator is the core count versus clock speed tradeoff. The AMD chip offers 20 more cores but a 1.10 GHz lower boost clock. Workloads that scale perfectly with cores will favor the EPYC 9634. Workloads that are latency-sensitive or single-threaded will favor the Xeon 696X. The benchmark data shows a clear split: AMD wins the throughput tests, Intel wins the responsiveness and floating-point tests. The 99th percentile ranking for both processors means either will outperform the vast majority of available CPUs, but the choice between them should be driven by the specific workload mix. The EPYC 9634's broader multi-threaded dominance and lower TDP make it the safer default for general server consolidation. The Xeon 696X is the specialist's chip for single-thread and floating-point performance.