AMD Ryzen 9 5900XT vs Intel Xeon Phi 7290 Comparison

FAQ

Q: What are the core and thread counts of each processor?

A: The Intel Xeon Phi 7290 has 72 cores and 288 threads. The AMD Ryzen 9 5900XT has 16 cores and 32 threads.

Q: Which processor has a higher boost clock?

A: The AMD Ryzen 9 5900XT boosts to 4.80 GHz, while the Intel Xeon Phi 7290 tops out at 1.70 GHz. The base clocks are 3.30 GHz for the AMD and 1.50 GHz for the Intel.

Q: How do the two compare in Cinebench R23 multicore performance?

A: The AMD Ryzen 9 5900XT scores 37,373 in Cinebench R23 multicore, while the Intel Xeon Phi 7290 scores 15,163. The AMD leads by 59.4%.

Q: Which chip wins in PassMark single-thread performance?

A: The AMD Ryzen 9 5900XT dominates with a score of 3,474, versus 485 for the Intel Xeon Phi 7290. This represents an 86% advantage for the AMD part.

Q: Are there any benchmarks where the Intel Xeon Phi 7290 wins?

A: Yes. The Intel chip wins in PassMark extended instructions (41,517 vs 39,141, a 6.1% lead), PassMark physics (2,257 vs 1,715, a 31.6% lead), and PassMark random string sorting (68,593 vs 62,537, a 9.7% lead).

Q: What are the manufacturing process nodes for these processors?

A: The Intel Xeon Phi 7290 is built on Intel's 14 nm process, while the AMD Ryzen 9 5900XT uses TSMC's 7 nm process.

Architecture Differences

The two processors represent fundamentally different design philosophies. The Intel Xeon Phi 7290 uses the Knights Landing architecture, a many-core design aimed at highly parallel server and workstation workloads. It packs 72 cores with 288 threads, relying on massive thread-level parallelism rather than high clock speeds. The base clock sits at 1.50 GHz and boosts to 1.70 GHz, with a TDP of 245 watts. It is built on Intel's 14 nm process and contains 8,000 million transistors. The cache layout includes 32 KB of L1 per core and 512 KB of L2 per core, with no L3 cache listed.

The AMD Ryzen 9 5900XT, in contrast, uses the Zen 3 architecture under the Vermeer codename. It is a desktop-focused design with 16 cores and 32 threads. Clock speeds are far higher, with a base of 3.30 GHz and a boost of 4.80 GHz, within a 105 watt TDP. TSMC fabricates it on a 7 nm process, and the chip contains 8,300 million transistors across a dual-chiplet layout with two 74 mm² dies. Cache organization differs significantly: 64 KB of L1 per core, 512 KB of L2 per core, and a substantial 64 MB of shared L3 cache.

Memory support is DDR4 for both, and both support ECC memory. The Intel part uses Socket 3647, while the AMD part uses Socket AM4. The AMD processor features a dual-channel memory bus with 51.2 GB/s bandwidth, while the Intel database entry does not list memory bus width or bandwidth. PCIe support differs too: the AMD chip provides Gen 4 with 20 CPU lanes, while no PCIe details are recorded for the Intel part. The AMD chip has an unlocked multiplier; the Intel chip does not. The Intel part targets the server and workstation segment, while the AMD part is a desktop processor, and its production status is listed as active.

Head-to-Head Benchmarks

The benchmark data presents a clear overall picture, but the details matter. Across 17 recorded head-to-head comparisons, the AMD Ryzen 9 5900XT wins 14, while the Intel Xeon Phi 7290 takes 3. The margins tell a story about workload types.

In Cinebench tests, the AMD processor dominates every single entry. In Cinebench R15 multicore, the AMD scores 3,767 against 1,528 for Intel, a 59.4% delta. The single-core R15 result is 531 versus 215, also a 59.5% gap. Cinebench R20 multicore shows 15,696 against 6,368, again a 59.4% delta, and single-core R20 is 2,215 versus 898, a 59.5% gap. Cinebench R23 multicore repeats the pattern: 37,373 versus 15,163, 59.4% behind. Single-core R23 is 5,276 versus 2,140, 59.4% behind. These are remarkably consistent margins, indicating the AMD architecture simply extracts far more work per clock across the board.

PassMark results are more varied. The AMD wins data compression with 597,862 versus 564,535, a modest 5.6% lead. Data encryption goes decisively to AMD: 37,814 versus 12,505, a 66.9% margin. Find prime numbers favors AMD at 205 versus 114, a 44.4% edge. Floating point math also favors AMD heavily: 99,398 versus 47,417, a 52.3% gap. Integer math shows AMD ahead at 177,566 versus 126,922, a 28.5% lead. The multithread PassMark score goes to AMD at 43,810 versus 17,839, a 59.3% margin. Single-thread PassMark is the most lopsided result on the list: 3,474 versus 485, an 86% advantage for AMD.

The Intel Xeon Phi 7290 wins are narrower but still meaningful. Extended instructions: 41,517 versus 39,141, a 6.1% edge. Physics: 2,257 versus 1,715, a 31.6% lead. Random string sorting: 68,593 versus 62,537, a 9.7% lead. These wins hint at specific vectorized or memory-access patterns where the many-core Knights Landing design retains some strength, but they are isolated successes against a far more modern architecture.

Specification Differences

The two processors diverge on nearly every hardware specification. Core count: 72 versus 16, favoring Intel. Thread count: 288 versus 32, again Intel. Base clock: 1.50 GHz versus 3.30 GHz, favoring AMD. Boost clock: 1.70 GHz versus 4.80 GHz, favoring AMD. TDP: 245 watts versus 105 watts, with AMD far more efficient on paper. Socket: Intel Socket 3647 versus AMD Socket AM4. Architecture: Knights Landing versus Zen 3. Process node: 14 nm versus 7 nm. Foundry: Intel versus TSMC. Transistor count: 8,000 million versus 8,300 million, with AMD slightly ahead. Die size: not listed for Intel, versus 2x 74 mm² for AMD. L1 cache: 32 KB per core versus 64 KB per core, AMD doubling per-core capacity. L2 cache: 512 KB per core for both. L3 cache: none listed for Intel, versus 64 MB for AMD. Memory bus: not listed for Intel, dual-channel for AMD. Memory bandwidth: not listed for Intel, 51.2 GB/s for AMD. PCIe: not listed for Intel, Gen 4 with 20 CPU lanes for AMD. Integrated graphics: not listed for Intel, N/A for AMD. Market segment: Server/Workstation versus Desktop. Release date: June 2016 for Intel, July 2024 for AMD. Launch MSRP: not listed for Intel, $349 for AMD. Unlocked multiplier: no for Intel, yes for AMD. Part numbers: SR2WY versus 100-000001581.

The generation gap is apparent. The Intel Xeon Phi 7290 represents an older, specialized approach to parallel compute. The AMD Ryzen 9 5900XT is a modern mainstream design with high clocks, a large L3 cache, and a mature process node.

Where Each One Wins

The AMD Ryzen 9 5900XT is the clear winner for general-purpose computing, single-threaded work, and most multithreaded applications. Its 86% single-thread advantage over the Intel part makes it the obvious choice for everyday desktop tasks, gaming, and productivity software that relies on per-core performance. The 59.4% lead in Cinebench R23 multicore shows it also handles heavily threaded rendering workloads effectively, despite having far fewer cores. Data encryption and floating point math, both critical for scientific and financial workloads, go to AMD by 66.9% and 52.3% respectively. The PassMark multithread score of 43,810 versus 17,839 reinforces that the Zen 3 architecture delivers more usable throughput in real-world conditions.

The Intel Xeon Phi 7290 wins are concentrated in three specific areas. Extended instructions, with a 6.1% edge, suggests certain SIMD-heavy code paths still favor the Knights Landing design. Physics performance, 31.6% ahead, points to workloads that scale well across many threads with specific access patterns. Random string sorting, 9.7% ahead, hints at memory-layout advantages in certain data-structure operations. These are niche strengths. The Intel part also carries a higher TDP of 245 watts versus 105 watts, meaning it draws substantially more power to achieve its results.

The Verdict

The data points to a straightforward conclusion for most users. The AMD Ryzen 9 5900XT outperforms the Intel Xeon Phi 7290 in 14 of 17 recorded benchmarks, often by massive margins. Its 86% single-thread lead, 59.4% Cinebench R23 multicore advantage, and 66.9% data encryption edge make it the better choice for desktop computing, content creation, and general workstation tasks. The 105 watt TDP, 7 nm process, and unlocked multiplier further reinforce its position as a modern, efficient processor. The launch MSRP of $349 positions it as a mainstream desktop part.

The Intel Xeon Phi 7290 remains relevant only for highly specific workloads. Its wins in extended instructions, physics, and random string sorting suggest it can still serve niche server environments that exploit its many-core design. The 72-core configuration with 288 threads and 245 watt TDP make it a power-hungry part suited to raw parallel throughput in specialized compute farms. The database percentile ranking places the Intel part at the 91st percentile versus all CPUs, with an average benchmark score of 53,469, while the AMD sits at the 90th percentile with an average score of 50,718. Nearest rivals for Intel include the Intel Core i7-14700F at 53,620 and AMD Ryzen 9 7900X at 53,288, with deltas of -0.3% and 0.3% respectively. AMD's nearest rivals include the Intel Core i7-13850HX at 50,761 and Intel Core i9-14900T at 51,015, with deltas of -0.1% and -0.6%. For anyone building a new system today, the AMD Ryzen 9 5900XT is the data-backed recommendation. The Intel Xeon Phi 7290 is a specialist tool for a shrinking set of parallel workloads.