Intel Core 5 221E vs Intel Core Ultra 5 235H Comparison
Intel Core 5 221E
Core Ultra 5 235H
PERFORMANCE BENCHMARKS
Analysis: Intel Core 5 221E vs Intel Core Ultra 5 235H
The Verdict
The benchmark data separates these two Intel processors into distinct roles. The Intel Core 5 221E is the desktop-oriented workhorse, winning 11 of the 17 head-to-head comparisons. It dominates in integer math, physics, and multi-threaded workloads, making it the pick for CPU-heavy productivity and simulation tasks. The Intel Core Ultra 5 235H is the mobile-focused chip, winning 6 comparisons, specifically in encryption, extended instructions, prime number finding, floating-point math, and single-threaded PassMark tests. It is the better choice for portable systems needing strong cryptographic performance and efficient instruction throughput.
For desktop users with workloads that stress integer calculations or physics simulations, the Core 5 221E is the clear winner. Its PassMark integer math score of 117813 is 58.7% higher than the Ultra 5 235H's 74247, and its physics score of 2230 beats the 1985 of the mobile chip by 12.3%. For laptop buyers or those needing superior data encryption (23121 vs 19205, a 16.9% advantage) and floating-point math (93509 vs 79028, a 15.5% advantage), the Core Ultra 5 235H is the stronger option. The data indicates no universal winner; the choice depends entirely on the target workload and platform.
FAQ
Q: Which processor has the higher average benchmark score?
A: The Intel Core 5 221E has an average benchmark score of 40144, placing it in the 87th percentile of all CPUs. The Intel Core Ultra 5 235H has an average score of 37522, placing it in the 85th percentile.
Q: How do the two chips compare in multi-core rendering?
A: The Core 5 221E wins all multi-core Cinebench tests by 1.3% margins. In Cinebench R23 multi-core, it scores 25933 versus 25598 for the Ultra 5 235H.
Q: Is there a difference in memory bandwidth?
A: Yes, the Core Ultra 5 235H supports 102.4 GB/s of memory bandwidth, while the Core 5 221E supports 89.6 GB/s.
Q: Which processor supports ECC memory?
A: Only the Intel Core 5 221E supports ECC memory. The Core Ultra 5 235H does not.
Q: What are the launch dates for both processors?
A: Both the Intel Core 5 221E and the Intel Core Ultra 5 235H were released on 2025-01-12.
Q: How does the Core 5 221E compare to its nearest rival, the AMD Ryzen 7 7700?
A: The Core 5 221E has an average score of 40144, which is 0.2% ahead of the AMD Ryzen 7 7700's 40081.
Architecture Differences
The two processors are built on fundamentally different architectures. The Intel Core 5 221E uses the Bartlett Lake architecture on a 10 nm process node, manufactured by Intel. It is a desktop part with an Intel Socket 1700. In contrast, the Intel Core Ultra 5 235H uses the Arrow Lake architecture (specifically Arrow Lake-H) on a 3 nm process node, manufactured by TSMC. It is a mobile part with an Intel BGA 2049 socket.
Cache layouts differ substantially. The Core 5 221E has 80 KB of L1 cache per core and 2 MB of L2 cache per core, with a shared 24 MB L3 cache. The Core Ultra 5 235H has a larger 192 KB L1 per core and 3 MB L2 per core, but a smaller 18 MB shared L3 cache. The die size of the Core 5 221E is 257 mm², while the die size for the Ultra 5 235H is not recorded.
Memory support differs as well. The Core 5 221E supports both DDR4 and DDR5 memory, while the Core Ultra 5 235H supports DDR5 and LPDDR5X. Both use dual-channel memory buses. The Core 5 221E supports ECC memory; the Core Ultra 5 235H does not. PCIe connectivity also differs: the Core 5 221E provides 16 CPU PCIe Gen 5 lanes, while the Core Ultra 5 235H provides 8 CPU PCIe Gen 5 lanes.
The integrated graphics differ significantly. The Core 5 221E uses UHD Graphics 730, while the Core Ultra 5 235H uses Arc Graphics 140T.
Specification Differences
Several key specifications separate these two processors. The Intel Core 5 221E has 14 cores and 20 threads, while the Intel Core Ultra 5 235H has 14 cores but only 14 threads. Base clocks are 2.70 GHz for the 221E and 2.40 GHz for the 235H. Boost clocks are 5.20 GHz and 5.00 GHz, respectively.
Thermal design power differs dramatically: the Core 5 221E has a TDP of 65 watts, while the Core Ultra 5 235H has a TDP of 28 watts. This reflects the desktop versus mobile design intent.
The Core 5 221E has a launch MSRP of $232. The Core Ultra 5 235H has no recorded launch MSRP.
Memory bandwidth is higher on the mobile chip: 102.4 GB/s versus 89.6 GB/s. The Core 5 221E has a die size of 257 mm², while the Ultra 5 235H has no recorded die size.
The part numbers are SRQDVQ659 for the Core 5 221E and SRQAP for the Core Ultra 5 235H. Both processors have locked multipliers and are currently active in production.
Head-to-Head Benchmarks
The Cinebench suite shows a consistent but narrow advantage for the Intel Core 5 221E. Across all six Cinebench tests (R15, R20, R23, both single and multi-core), the 221E wins by exactly 1.3% in multi-core tests and between 1.1% and 1.3% in single-core tests. In Cinebench R23 multi-core, the 221E scores 25933 against 25598, a 335-point gap. In R23 single-core, the margin is 3661 versus 3613.
The PassMark suite reveals a more polarized picture. The Core 5 221E wins integer math by a massive 58.7% margin: 117813 versus 74247. It also wins physics by 12.3% (2230 vs 1985), data compression by 7.4% (324285 vs 301979), multi-thread by 1.4% (30510 vs 30091), and random string sorting by 4.1% (37686 vs 36208).
The Core Ultra 5 235H dominates in several specialized PassMark tests. Its biggest win is in find prime numbers, where it scores 239 versus 173, a 27.6% advantage. It also wins extended instructions by 22% (23354 vs 18216), data encryption by 16.9% (23121 vs 19205), floating-point math by 15.5% (93509 vs 79028), and single-thread by 4.9% (4359 vs 4147).
The overall benchmark average favors the Core 5 221E: 40144 versus 37522. The nearest rival data places the 221E in close competition with the AMD Ryzen 7 7700 (0.2% ahead), AMD Ryzen AI 9 365 (0.2% ahead), AMD Ryzen 9 270 (0.3% behind), and Intel Core i9-13905H (0.4% behind). The Ultra 5 235H sits near the Intel Core i9-13900HK (0.3% ahead), Intel Core i5-13600K (0.4% behind), Intel Core Ultra 5 225F (0.6% ahead), and AMD Ryzen AI 5 PRO 435 (0.6% behind).
Where Each One Wins
The Intel Core 5 221E is the clear winner for integer-heavy workloads. Its 58.7% advantage in integer math makes it the superior choice for general productivity, database operations, and any application relying on integer arithmetic. The 12.3% win in physics simulation and 7.4% win in data compression further cement its position for engineering simulations and file compression tasks. It also wins all Cinebench multi-core tests, making it the better option for video rendering and 3D scene creation. The 1.4% multi-thread win and 4.1% random string sorting win indicate broader multi-threaded competence.
The Intel Core Ultra 5 235H wins where the workload uses specialized instructions or floating-point arithmetic. Its 27.6% advantage in prime number finding suggests superior branch prediction and arithmetic logic for that specific task. The 22% win in extended instructions indicates better support for SIMD or specialized instruction sets. The 16.9% advantage in data encryption makes it the better choice for cryptographic workloads, VPNs, and secure communications. The 15.5% win in floating-point math points to advantages in scientific computing and digital signal processing. The 4.9% single-thread win makes it slightly faster for lightly-threaded, latency-sensitive applications.
For laptop users, the Ultra 5 235H's 28-watt TDP versus 65 watts makes it the only practical choice for mobile systems. Desktop users with access to Socket 1700 motherboards and no power constraints will find the Core 5 221E more suitable for multi-threaded productivity. The data shows a split: the 221E for raw multi-threaded desktop power, the 235H for mobile efficiency and specialized instruction throughput.