AMD Ryzen Threadripper PRO 5965WX vs Intel Core Ultra 7 270K Plus Comparison

The AMD Ryzen Threadripper PRO 5965WX and Intel Core Ultra 7 270K Plus present a fascinating study in contrasting design philosophies. Both processors field 24 cores, but their benchmark profiles could not be more different, revealing that core counts alone tell only a fraction of the performance story. The data shows a near-split in benchmark victories, with the AMD workstation part taking 9 wins and the Intel desktop chip taking 8, yet the margins of those victories are wildly asymmetric.

Head-to-Head Benchmarks

The single most dramatic result in this comparison comes from Cinebench R23 single-core testing. The AMD Ryzen Threadripper PRO 5965WX scores 7962, while the Intel Core Ultra 7 270K Plus manages only 2439. That translates to a 226.4% advantage for the AMD part — a staggering gap that defies conventional expectations. Similarly, in Cinebench R15 single-core, the AMD chip scores 802 against Intel's 354, a 126.6% lead. These results are puzzling given that Intel's chip has a 5.50 GHz boost clock versus 4.50 GHz for AMD, suggesting the benchmark environment or architecture behavior is heavily favoring the Zen 3 design in these particular legacy tests.

The Cinebench R23 multi-core test also favors AMD, with the Threadripper PRO scoring 56400 versus 44253 for the Intel part, a 27.4% advantage. This is a substantial win for the workstation chip, likely driven by its 48 threads versus Intel's 24 threads. However, the Cinebench R15 and R20 multi-core tests tell a different story. In R15 multi-core, Intel wins decisively with 6656 against AMD's 5685, a 14.6% margin. In R20 multi-core, Intel's lead shrinks to just 3.2%, scoring 24461 versus 23688. The inconsistency between Cinebench versions is notable — AMD dominates the newer R23 workload while losing the older ones.

PassMark tests reveal a similarly split personality. AMD crushes Intel in integer math, scoring 281247 versus 175986, a 59.8% advantage. AMD also leads in data compression with 1010067 against 804322, a 25.6% margin, and in data encryption with 63113 versus 59097, a 6.8% edge. The extended instructions test sees AMD ahead by 6%, scoring 67300 versus 63506. However, Intel strikes back hard in floating-point math, scoring 229491 versus AMD's 157708, a 31.3% lead. Intel also wins the PassMark single-thread test decisively, scoring 5068 versus 3337, a 34.2% margin, and takes the find-prime-numbers test with 615 versus 523, a 15% advantage.

The overall PassMark multithread score slightly favors Intel, at 68574 versus 66353, a 3.2% margin. Yet the average benchmark score across all tests tells a different story: AMD's average is 98504, while Intel's is 93785. The AMD chip also holds a higher percentile ranking at 97 versus Intel's 96. These aggregate figures suggest that while Intel wins more individual tests, AMD's victories tend to be larger in magnitude, skewing the average in its favor.

Where Each One Wins

The AMD Ryzen Threadripper PRO 5965WX is clearly the specialist for integer-heavy and data-processing workloads. Its 59.8% lead in integer math, combined with a 25.6% advantage in data compression and 6.8% in encryption, points to a processor that excels at database operations, financial modeling, and scientific computing. The 27.4% win in Cinebench R23 multi-core reinforces its strength in modern rendering workloads. The physics test also goes to AMD, with a 4.6% margin (4251 versus 4064), suggesting an edge in simulation tasks.

The Intel Core Ultra 7 270K Plus, by contrast, is the champion of floating-point arithmetic and single-thread responsiveness. Its 31.3% lead in floating-point math (229491 versus 157708) makes it attractive for scientific simulations, 3D rendering engines that rely on FPU performance, and certain AI inference tasks. The 34.2% single-thread win (5068 versus 3337) indicates snappier day-to-day application performance and better performance in lightly-threaded legacy software. Intel also wins the find-prime-numbers test, which is often a proxy for integer throughput in a specific algorithmic pattern, by 15%.

The Cinebench R15 and R20 multi-core wins for Intel (14.6% and 3.2% respectively) suggest that in certain rendering scenarios, particularly older benchmark versions, Intel's architecture can outperform despite having half the threads. This could indicate better per-core efficiency in those specific workloads or differences in how the benchmark scales with thread count. The PassMark multithread win for Intel, though narrow at 3.2%, indicates that in mixed-thread workloads, the two processors are nearly equivalent despite Intel having only 24 threads versus AMD's 48.

Architecture Differences

The fundamental architectural split is stark. AMD uses Zen 3 architecture on a 7 nm process from TSMC, with a die size of 4x 81 mm² and 16,600 million transistors. Intel uses Arrow Lake Refresh architecture on a 3 nm process, also from TSMC, with a single 243 mm² die containing 17,800 million transistors. The AMD chip is built on the Chagall PRO codename, part of the 5000 series, while Intel's is the Core Ultra Series 2 with the Arrow Lake Refresh codename.

Cache hierarchies reveal a major philosophical difference. AMD provides 64 KB of L1 per core, 512 KB of L2 per core, and a massive 128 MB of L3 cache. Intel offers 192 KB of L1 per core, 3 MB of L2 per core, but only 36 MB of shared L3. This means AMD's total cache is substantially larger, which explains its dominance in data compression and encryption where large working sets benefit from the 128 MB L3. Intel's larger per-core L1 and L2 caches may help with single-thread latency, contributing to its 34.2% single-thread win.

Memory architecture differs completely. AMD supports DDR4 with an eight-channel memory bus delivering 204.8 GB/s of bandwidth. Intel supports DDR5 with a dual-channel bus providing 115.2 GB/s. This is a surprising result — AMD's older DDR4 standard, combined with eight channels, delivers 77.8% more memory bandwidth than Intel's newer DDR5 with only two channels. This bandwidth advantage likely fuels AMD's wins in integer math and data compression, where memory throughput is critical. Both support ECC memory, which is notable for a desktop Intel chip.

The PCIe configuration is also divergent. AMD offers Gen 4 with 128 lanes from the CPU, while Intel provides Gen 5 with only 20 lanes. This makes AMD the obvious choice for multi-GPU workstation configurations or heavy NVMe storage arrays. Intel's PCIe Gen 5 support offers higher per-lane bandwidth but far fewer total lanes. The Threadripper PRO also lacks integrated graphics, while Intel includes Arc Xe-LPG Graphics with 64 execution units, giving it a fallback for display output without a discrete GPU.

Specification Differences

The most obvious difference is thread count: AMD provides 48 threads from its 24 cores, while Intel provides only 24 threads from its 24 cores. This is because AMD supports Simultaneous Multi-Threading while Intel does not on this part. Base clocks are similar, with AMD at 3.80 GHz and Intel at 3.70 GHz, but boost clocks differ significantly: AMD tops out at 4.50 GHz while Intel reaches 5.50 GHz. Despite the higher boost clock, Intel's TDP is much lower at 125 watts versus AMD's 280 watts, indicating better power efficiency per watt.

Sockets are incompatible: AMD uses Socket WRX8, while Intel uses Socket 1851. The AMD chip is not multiplier unlocked, while Intel's is, allowing overclocking. The release dates are separated by years, with AMD launching on March 7, 2022, and Intel on March 10, 2026. The launch MSRP for AMD is $2399, while Intel's is $299. The market segments differ — AMD targets Server/Workstation, while Intel targets Desktop. The process nodes differ at 7 nm versus 3 nm, and the transistor counts are 16,600 million versus 17,800 million. The die sizes are dramatically different: AMD's multi-chip design is 4x 81 mm², while Intel uses a single 243 mm² die.

FAQ

Q: Which processor has more threads?

A: The AMD Ryzen Threadripper PRO 5965WX has 48 threads from its 24 cores, while the Intel Core Ultra 7 270K Plus has only 24 threads from its 24 cores.

Q: What is the biggest performance gap between the two?

A: The largest gap is in Cinebench R23 single-core, where AMD scores 7962 versus Intel's 2439, giving AMD a 226.4% lead. The next largest is in Cinebench R15 single-core, where AMD leads by 126.6%.

Q: Does Intel win any multi-core benchmarks?

A: Yes, Intel wins Cinebench R15 multi-core (6656 versus 5685, a 14.6% lead), Cinebench R20 multi-core (24461 versus 23688, a 3.2% lead), and PassMark multithread (68574 versus 66353, a 3.2% lead).

Q: Which chip has better memory bandwidth?

A: AMD has significantly better memory bandwidth at 204.8 GB/s via its eight-channel DDR4 bus, compared to Intel's 115.2 GB/s via dual-channel DDR5.

Q: Do both processors support ECC memory?

A: Yes, both the AMD Ryzen Threadripper PRO 5965WX and the Intel Core Ultra 7 270K Plus support ECC memory.

Q: Which chip has integrated graphics?

A: Only the Intel Core Ultra 7 270K Plus has integrated graphics, featuring Arc Xe-LPG Graphics with 64 execution units. The AMD chip has no integrated graphics.

The Verdict

The data strongly suggests distinct buyer profiles. The AMD Ryzen Threadripper PRO 5965WX is the choice for workloads demanding massive thread counts, large cache, and extensive memory bandwidth. Its 48 threads, 128 MB of L3, and 204.8 GB/s of memory bandwidth translate into decisive wins in integer math (59.8% ahead), data compression (25.6% ahead), and modern multi-core rendering (27.4% ahead in Cinebench R23). The 128 PCIe Gen 4 lanes make it ideal for workstation configurations with multiple accelerators or storage devices. The 2022 launch date and 280-watt TDP indicate it is designed for sustained heavy workloads rather than efficiency.

The Intel Core Ultra 7 270K Plus is the alternative for users prioritizing single-thread performance and floating-point throughput. Its 34.2% single-thread win and 31.3% floating-point math advantage make it compelling for applications that are lightly threaded or FPU-bound. The lower 125-watt TDP and unlocked multiplier suggest it is more suited for overclocking and power-conscious builds. The 5.50 GHz boost clock and integrated graphics add flexibility, while the 3 nm process node represents a newer manufacturing generation. The 2026 release date and $299 launch MSRP position it as a mainstream desktop part, though the data shows it can hold its own against a workstation flagship in several benchmarks.

The aggregate results favor AMD slightly — average benchmark score of 98504 versus 93785, and a 97 percentile versus 96 — but the choice ultimately rests on specific workload requirements. For heavily parallel, data-intensive, or memory-bandwidth-hungry tasks, the Threadripper PRO 5965WX is the clear data-driven recommendation. For floating-point-heavy, single-thread-sensitive, or power-limited scenarios, the Core Ultra 7 270K Plus is the better fit. The near-even split in benchmark wins (9 versus 8) confirms that neither chip is objectively superior; they are optimized for different computational realities.