AMD Ryzen 9 9950X3D vs Intel Core Ultra 7 265KF Comparison

Head-to-Head Benchmarks

The head-to-head data shows a clear split: AMD wins 10 of the 17 shared tests, Intel wins 7. The margins, however, tell a story of specialization. AMD dominates in integer-heavy and multithreaded workloads, while Intel counters with strong single-core and floating-point results.

The largest AMD victory comes in PassMark integer math, where the Ryzen 9 9950X3D scores 243209 against Intel's 143351, a 69.7% advantage. This is not a small edge; it represents a fundamental difference in how the two chips handle integer operations. The Ryzen's 16 cores and 32 threads clearly scale better in this workload. Physics simulation follows a similar pattern, with AMD leading 5670 to 3633, a 56.1% gap. The Ryzen 9 9950X3D also wins PassMark data compression by 36.3% (908421 vs 666589), extended instructions by 33.9% (73011 vs 54513), and Cinebench R15 multicore by 30.4% (6536 vs 5013). Prime number finding tasks favor AMD by 26.1% (613 vs 486), and PassMark multithread by 20.1% (70255 vs 58518). Geekbench also goes to AMD, both multicore at 16.7% (26736 vs 22913 and singlecore at 11.1% (3064 vs 2759). Random string sorting is AMD's by 19.1% (95423 vs 79735). The total picture suggests AMD's architecture is exceptionally well-suited for workloads that demand simultaneous multi-threaded throughput.

Intel's wins are fewer but significant in their own right. The absolute largest Intel margin is in Cinebench R23 singlecore, where Intel leads by 67.8% (7021 vs 2259 for AMD). This is a massive single-thread advantage, standing in sharp contrast to AMD's multicore wins in the same test suite. The same pattern appears in Cinebench R15 singlecore, Intel ahead by 50.5% (707 vs 350). Floating point math also favors Intel, with Intel leading 189431 to 159724, a 15.7% margin. PassMark single-thread tests go to Intel by 3.9% (4928 vs 4737 and 4928 vs 4737). Data encryption is Intel's by 7.6% (48198 vs 44536). Finally, Cinebench R23 multicore goes to Intel by 15.5% (49736 vs 42018 for AMD). These results paint Intel as the pick for lightly threaded applications. The single-core deltas, especially the 67.8% Cinebench R23 lead, indicate Intel's core design is highly efficient when parallelism is limited.

FAQ

Q: Which CPU is faster in Cinebench R15 multicore?

A: AMD Ryzen 9 9950X3D wins Cinebench R15 multicore with a score of 6536 against Intel Core Ultra 7 265KF's 5013, a 30.4% margin.

Q: How does the AMD Ryzen 9 9950X3D compare to Intel in single-core benchmarks?

A: In Cinebench R23 singlecore, Intel Core Ultra 7 265KF leads with a 67.8% advantage and a score of 7021, Intel is ahead by 67.8% over AMD's score. Intel also wins PassMark single-thread by 3.9%, scoring 4928 to AMD's 4737.

Q: Which processor performs better in Geekbench multicore?

A: AMD Ryzen 9 9950X3D excels in Geekbench multicore, scoring 26736 against Intel's 22913, a 16.7% advantage.

Q: Does Intel have any wins in the PassMark suite?

A: Yes, Intel wins PassMark floating point math (189431 vs 159724, 15.7% lead), data encryption (48198 vs 44536, 7.6% lead), and single-thread tests (4928 vs 4737, 3.9% lead).

Q: What does the overall benchmark score indicate about the two CPUs?

A: The AMD Ryzen 9 9950X3D has an average benchmark score of 75779 and sits in the 95th percentile. The Intel Core Ultra 7 265KF has an average score of 71910 and sits in the 94th percentile.

Q: Is the performance difference consistent across all benchmark types?

A: No, the data shows a clear split. AMD leads in 10 benchmarks, including integer math and physics, while Intel leads in 7, particularly in single-core and floating-point tasks.

Where Each One Wins

AMD Ryzen 9 9950X3D is the clear winner for heavily multithreaded, integer-heavy workloads. The 69.7% lead in PassMark integer math and 56.1% lead in physics simulation reveal a core design optimized for parallel processing. Data compression, extended instructions, prime number finding, and multithread tests all favor AMD by considerable margins, from 19.7% to 36.3%. For a workstation user running code compilation, 3D rendering in Cinebench R15, or heavy multitasking, the AMD chip is the one to pick.

Intel Core Ultra 7 265KF wins in single-threaded scenarios. The 67.8% Cinebench R23 single-core lead is its strongest suit. Floating point math is Intel's domain as well, with a 15.7% advantage. Single-thread PassMark tests also edge in Intel's favor by 3.9%, as does data encryption by 7.6%. For general desktop use, where most everyday applications are not fully multithreaded, the Intel processor will often feel more responsive.

It is worth noting the Geekbench results favor AMD in both single-core and multicore. AMD leads Geekbench multicore by 16.7% and singlecore by 11.1%. This is interesting because it is not a clean cut. The data suggests that AMD's single-core score is also ahead in Geekbench, but trails Intel's in most other single-core tests. This makes Geekbench a unique benchmark that does not follow the overall trend.

The Ryzen 9 9950X3D is the pick for multithreaded workloads. Intel is the pick for single-thread performance. The PassMark suite splits this way, with AMD winning integer math, multithread, physics, integer math tasks, and Intel winning floating point math and single-thread tasks.

The split in the Cinebench suite is stark. R15 multicore goes to AMD by 30.4%, but R23 multicore goes to Intel by 15.1%. Intel wins R15 singlecore by 50.5%, R23 singlecore by 67.8%. It is a mixed bag even within a single vendor's test suite.

Specification Differences

A core count difference stands out immediately. AMD Ryzen 9 9950X3D has 16 cores and 32 threads. Intel Core Ultra 7 265KF has 20 cores and 20 threads. Intel has more physical cores (20 vs 16), AMD has more threads (32 vs 20). Intel has a base clock of 3.90 GHz and a boost clock of 5.50 GHz. AMD has a base clock of 4.30 GHz and a boost clock of 5.70 GHz. AMD has a TDP of 170 W, Intel has a TDP of 125 W. The sockets differ: AMD uses Socket AM5, Intel uses Socket 1851. Memory bandwidth also differs: AMD is 89.6 GB/s, Intel is 102.4 GB/s. Intel has more L1 cache per core (192 KB vs 80 KB) and more L2 cache per core (3 MB vs 1 MB). AMD has more total L3 cache (128 MB vs 30 MB, shared). AMD supports ECC memory, Intel does not. PCIe lanes differ: AMD has 24 lanes (Gen 5), Intel has 20 lanes (Gen 5). AMD has integrated Radeon Graphics, Intel has no integrated graphics. The launch MSRP for AMD is $699, and for Intel it is $379.

Architecture Differences

The two processors come from different architectural lineages. AMD uses Zen 5 architecture with the codename Granite Ridge. Intel uses Arrow Lake architecture with the codename Arrow Lake-S. AMD's process node is 4 nm, while Intel's is 3 nm; both are fabricated by TSMC. AMD has 16,630 million transistors on a die size of 2x 70.6 mm². Intel has 17,800 million transistors on a single 243 mm² die. The transistor counts are similar, but the die layout differs substantially. The memory support for both is DDR5, but AMD's memory bandwidth is 89.6 GB/s versus Intel's 102.4 GB/s. AMD's L3 cache is 128 MB, a massive amount, while Intel's L3 cache is 30 MB. Intel's per-core L1 and L2 caches are larger (192 KB and 3 MB respectively versus 80 KB and 1 MB for AMD). Both have unlocked multipliers. AMD's market segment is Desktop, as is Intel's. AMD's part number is 100-000000719, Intel's is SRQCU.

The Verdict

From the recorded data, there is no single "better" processor; the choice depends on workload. The AMD Ryzen 9 9950X3D wins 10 benchmarks, the Intel Core Ultra 7 265KF wins 7. AMD's average benchmark score is 75779, Intel's is 71910, a difference of about 5.4%. AMD holds the 95th percentile, Intel the 94th.

Pick the AMD Ryzen 9 9950X3D for heavily multithreaded tasks. The data shows it is a powerhouse in integer math (69.7% lead), physics simulation (56.1% lead), and multithreaded PassMark (20.1% lead). Its 128 MB L3 cache and 32 threads make it a strong choice for rendering, simulation, and data compression tasks. The average score and 10 benchmark wins support its position as the overall higher performer in the database.

Pick the Intel Core Ultra 7 265KF for single-threaded performance. It dominates in Cinebench R23 singlecore by 67.8% and R15 singlecore by 50.5%. Its 3 nm process node and higher per-core cache sizes likely contribute to this edge. For users whose applications do not scale well with thread count, the Intel chip will deliver better results. Its 125 W TDP is also lower than AMD's 170 W, but the performance-per-watt analysis is not directly available in the data.

The Geekbench results are a notable anomaly. AMD wins both Geekbench singlecore (11.1%) and multicore (16.7%), contradicting the general trend. This suggests benchmark-specific factors are at play. The data indicates a split decision for different use cases.