AMD Ryzen 9 7940H vs Intel Xeon 6507P Comparison

The AMD Ryzen 9 7940H and Intel Xeon 6507P present a fascinating study in design philosophy, with both chips landing at an identical 87th percentile against all CPUs and nearly matching average benchmark scores (40431 vs 40426). The Xeon 6507P, a server/workstation part launched on February 23, 2025 with a launch MSRP of $765, takes 12 of the 17 head-to-head benchmarks, while the mobile-focused Ryzen 9 7940H counters with 5 wins, making this a contest where the overall average hides a deep split in workload-specific strengths.

FAQ

Q: Which processor has the higher average benchmark score?

A: The AMD Ryzen 9 7940H edges out the Intel Xeon 6507P by a razor-thin margin, scoring 40431 compared to the Xeon's 40426. This is a delta of 0%, placing them as direct rivals, with the Intel Core Ultra X7 368H just 0.2% ahead of both.

Q: How do the core counts and clock speeds compare between the two?

A: Both processors feature 8 cores and 16 threads. However, the AMD Ryzen 9 7940H has a higher base clock of 4.00 GHz and a boost clock of 5.20 GHz, whereas the Intel Xeon 6507P operates at a 3.50 GHz base and 4.30 GHz boost.

Q: What is the biggest performance gap in the head-to-head results?

A: The most significant single win belongs to the Intel Xeon 6507P in the PassMark find prime numbers test, where it scores 224 against the AMD's 81, a 63.8% advantage. Conversely, the AMD's largest victory is in PassMark data encryption, where it leads by 18.8% with a score of 21096 versus 17753.

Q: Which processor supports more memory bandwidth?

A: The Intel Xeon 6507P is the clear leader here, supporting eight-channel DDR5 memory with 409.6 GB/s of bandwidth. The AMD Ryzen 9 7940H is limited to dual-channel DDR5, providing 89.6 GB/s.

Q: Do both processors include integrated graphics?

A: No. The AMD Ryzen 9 7940H includes a Radeon 780M integrated GPU, while the Intel Xeon 6507P has no integrated graphics (N/A), requiring a discrete graphics card for any display output.

Q: How does the TDP (thermal design power) differ?

A: The Intel Xeon 6507P has a significantly higher TDP of 150 watts, reflecting its server/workstation design. The AMD Ryzen 9 7940H is far more power-efficient on paper with a TDP of just 35 watts, typical of its mobile market segment.

Where Each One Wins

The benchmark data reveals a clear split in use-case scenarios. The Intel Xeon 6507P dominates in raw computational throughput, winning all six Cinebench tests (R15, R20, and R23, both single and multi-core) by margins ranging from 6.9% to 7%. It also excels in floating-point math (69604 vs 62057, a 10.8% lead) and physics simulations, where its 2935 score nearly doubles the AMD's 1300, representing a 55.7% advantage. For workloads involving prime number calculation, the Xeon is in a different league entirely, with a 63.8% lead. This makes it the obvious choice for scientific computing, financial modeling, and any server-side task that relies on heavy mathematical processing.

The AMD Ryzen 9 7940H, despite being a mobile chip, carves out its own victories in specific data-handling tasks. Its most notable win is in data encryption, where it scores 21096, a commanding 18.8% lead over the Xeon's 17753. It also wins in integer math (101977 vs 88877, a 14.7% gap) and random string sorting (42093 vs 39682, a 6.1% lead). Most surprisingly, it takes the single-threaded PassMark test with a score of 3952 against the Xeon's 3643, an 8.5% advantage. This suggests the Ryzen is better suited for general-purpose computing, security-related tasks, and workloads that depend on quick, single-threaded responses.

Architecture Differences

At their core, these are two fundamentally different processors built for different environments. The AMD Ryzen 9 7940H is built on TSMC's 4nm process node using the Zen 4 architecture, code-named Phoenix. It is part of the Ryzen 9 generation and is designed for the mobile market, fitting into the AMD Socket FP8. With 25,000 million transistors on a 178 mm² die, it packs impressive efficiency. Its cache hierarchy includes 64 KB of L1 per core, 1 MB of L2 per core, and a shared 16 MB of L3 cache.

The Intel Xeon 6507P takes a completely different approach. It uses Intel's own 5nm process node (as listed) and is based on the Granite Rapids architecture, specifically the Granite Rapids-SP generation for the Xeon 6 family. This is a server/workstation chip that fits into the Intel Socket 4710. Its cache design is more generous per core, with 112 KB of L1 and 2 MB of L2 per core, but the defining difference is its massive 48 MB of shared L3 cache, three times that of the AMD. The Xeon also supports PCIe Gen 5 with 88 CPU-only lanes, while the Ryzen offers Gen 4 with 20 lanes, highlighting the Xeon's intended role in high-bandwidth server environments.

Specification Differences

The specification sheets diverge sharply in several key areas. The process node favors AMD, which uses a 4nm process from TSMC, while Intel uses a 5nm process for the Xeon. The AMD has higher clock speeds (4.00 GHz base, 5.20 GHz boost) compared to the Intel (3.50 GHz base, 4.30 GHz boost). However, the Intel Xeon 6507P compensates with a much larger L3 cache (48 MB vs 16 MB) and a vastly superior memory bus, supporting eight channels with 409.6 GB/s of bandwidth versus the AMD's dual-channel 89.6 GB/s. The TDP is a stark contrast as well, with the Xeon drawing 150 watts compared to the Ryzen's 35 watts. Both support ECC memory, but the AMD features integrated Radeon 780M graphics, while the Intel has none. Their sockets are incompatible (AMD Socket FP8 vs Intel Socket 4710), and their market segments are distinctly mobile versus server/workstation.

Head-to-Head Benchmarks

The Cinebench results paint a consistent picture of Intel's multi-threaded supremacy. In Cinebench R23 multicore, the Intel Xeon 6507P scores 26548, defeating the AMD's 24703 by 6.9%. This pattern repeats in R20 (11150 vs 10375, a 7% lead) and R15 (2676 vs 2490, a 7% lead). Even in single-core Cinebench tests, the Intel wins, though by a slightly smaller margin—6.9% in R23 with 3747 against 3487.

Moving to PassMark, the results become more nuanced. The Intel Xeon 6507P continues its winning streak in extended instructions (27385 vs 26804, a 2.1% lead), data compression (356190 vs 352077, a 1.2% lead), and multithread tests (31233 vs 29063, a 6.9% lead). Its dominance is most pronounced in physics and prime number finding, where it leads by 55.7% and 63.8% respectively.

The AMD Ryzen 9 7940H, however, shows its strength in specific areas. Its 18.8% victory in data encryption (21096 vs 17753) is its most decisive win. In integer math, the AMD leads with 101977 against 88877, a 14.7% gap. The AMD also wins in random string sorting (42093 vs 39682, 6.1%) and, notably, in PassMark single-thread tests (3952 vs 3643, an 8.5% lead). The final tally is 12 wins for Intel and 5 for AMD, but the AMD's wins are in areas like encryption and integer processing that are critical for many real-world applications.

The Verdict

The data directs different users toward different chips. The Intel Xeon 6507P is the clear winner for server and workstation workloads that demand maximum computational throughput. Its 7% lead in Cinebench multicore tests, combined with a massive 55.7% advantage in physics and a 63.8% lead in prime number calculations, makes it the superior choice for rendering, simulation, and heavy scientific computing. The eight-channel memory support with 409.6 GB/s of bandwidth further cements its position for data-intensive server tasks.

The AMD Ryzen 9 7940H, despite its mobile origins, proves itself as a capable alternative for specific tasks. Its 18.8% win in data encryption and 14.7% lead in integer math suggest it is better suited for security, cryptography, and general business applications that rely on these operations. Its 8.5% victory in the PassMark single-thread test indicates it may feel snappier in everyday, single-threaded applications. Given its 35-watt TDP, it is also the only one of the two realistically suited for a laptop or power-constrained environment. For a user prioritizing encryption performance or integer-heavy workloads in a mobile form factor, the Ryzen 9 7940H is the logical pick; for everything else demanding raw processing power, the Xeon 6507P is the benchmark leader.