Intel Core 5 221TE vs Intel Core Ultra 9 285K Comparison

The Intel Core 5 221TE and the Intel Core Ultra 9 285K represent two very different design philosophies within Intel's desktop lineup. The 221TE is a 10-core, 16-thread processor built on Intel's 10 nm process, designed for efficient, mainstream workloads. The 285K is a 24-core, 24-thread flagship built on TSMC's 3 nm process, engineered for maximum performance. The benchmark data shows a decisive performance gap, with the 285K winning all 17 head-to-head comparisons. However, the architecture and specification differences are substantial, and the data reveals that these processors serve entirely different market segments.

Head-to-Head Benchmarks

The benchmark results leave no ambiguity about the performance hierarchy between these two chips. In the Cinebench R23 multi-core test, the Intel Core Ultra 9 285K scores 42,522, which is 73.4% higher than the Intel Core 5 221TE's score of 11,305. This multi-core advantage is consistent across all rendering and compute workloads. In Cinebench R20 multi-core, the 285K delivers 24,003 points versus 4,748 for the 221TE, a delta of 80.2%. The single-core results tell a similar story, though the margin is narrower.

In Cinebench R23 single-core, the 285K scores 2,377, which is 32.9% ahead of the 221TE's 1,596. The Cinebench R15 single-core test shows a 55.4% advantage for the 285K (359 versus 160). These single-core deltas indicate that the 285K's architectural improvements, including its newer process node, deliver a significant per-thread performance lift.

The Passmark suite reinforces the pattern. The 285K leads by 89.1% in the find prime numbers test (541 versus 59), by 85.9% in floating point math (224,324 versus 31,661), and by 84.5% in both data encryption (57,745 versus 8,963) and extended instructions (62,277 versus 9,655). The data compression test shows an 80.2% delta (790,052 versus 156,682), while integer math comes in at 75.5% ahead (172,379 versus 42,303). The multithread score for the 285K is 67,260, which is 80.2% higher than the 221TE's 13,301.

The physics test shows a 75.2% gap (3,938 versus 977), and random string sorting shows an 82.2% delta (94,927 versus 16,929). The single-thread Passmark results show the 285K at 5,087, which is 65.9% ahead of the 221TE's 1,734. Across every measured workload, the 285K's advantage ranges from 32.9% to 89.1%, demonstrating a comprehensive performance lead that is not limited to any single application type.

FAQ

Q: How do the average benchmark scores compare between the two processors?

A: The Intel Core Ultra 9 285K has an average benchmark score of 83,807, while the Intel Core 5 221TE averages 17,860. This places the 285K in the 96th percentile of all CPUs, while the 221TE sits in the 71st percentile.

Q: What are the nearest rivals for the Intel Core 5 221TE?

A: The database shows the AMD Ryzen 5 3600XT with an average score of 17,891 (0.2% ahead), the Intel Core 5 120U at 17,898 (0.2% ahead), the Intel Core 7 350 at 17,779 (0.5% behind), and the AMD Ryzen 5 1600 at 17,994 (0.7% ahead).

Q: What are the nearest rivals for the Intel Core Ultra 9 285K?

A: The nearest competitors include the Intel Core Ultra 9 290K Plus with an average score of 84,003 (0.2% ahead), the AMD EPYC 4584PX at 83,090 (0.9% behind), the AMD EPYC 9135 at 82,980 (1.0% behind), and the AMD EPYC 7F72 at 85,072 (1.5% ahead).

Q: Which processor has more cores and threads?

A: The Intel Core Ultra 9 285K has 24 cores and 24 threads. The Intel Core 5 221TE has 10 cores and 16 threads. The 285K also has a higher base clock at 3.70 GHz versus 1.80 GHz, and a higher boost clock at 5.70 GHz versus 5.00 GHz.

Q: What is the TDP difference between the two processors?

A: The Intel Core 5 221TE has a TDP of 45 watts, while the Intel Core Ultra 9 285K has a TDP of 125 watts. The 285K also has an unlocked multiplier, whereas the 221TE does not.

Q: Do both processors support ECC memory?

A: Yes, both the Intel Core 5 221TE and the Intel Core Ultra 9 285K support ECC memory. However, the 221TE supports both DDR4 and DDR5, while the 285K supports only DDR5.

Architecture Differences

The two processors are built on fundamentally different architectural foundations. The Intel Core 5 221TE uses the Bartlett Lake codename and belongs to the Core 5 generation. It is fabricated on Intel's 10 nm process node with a die size of 215 mm². The Intel Core Ultra 9 285K uses the Arrow Lake-S codename and belongs to the Ultra 9 (Arrow Lake) generation. It is fabricated on TSMC's 3 nm process node, uses 17,800 million transistors, and has a die size of 243 mm².

The cache hierarchy differs substantially. The 221TE has 80 KB of L1 cache per core, 1.25 MB of L2 cache per core, and 24 MB of shared L3 cache. The 285K has 192 KB of L1 cache per core, 3 MB of L2 cache per core, and 36 MB of shared L3 cache. The larger per-core caches on the 285K contribute to its superior single-thread performance, as evidenced by the 32.9% advantage in Cinebench R23 single-core.

The integrated graphics also differ. The 221TE uses UHD Graphics 730, while the 285K uses Arc Xe-LPG Graphics 64EU. The 285K's graphics solution represents a newer architecture, though the benchmark data does not include GPU-specific tests.

Memory bandwidth is another distinguishing factor. The 221TE supports dual-channel memory with a bandwidth of 76.8 GB/s, while the 285K supports dual-channel memory with a bandwidth of 102.4 GB/s. The 285K's higher memory bandwidth is consistent with its higher core count and more demanding compute capabilities.

PCIe connectivity also differs. The 221TE provides Gen 5 with 16 lanes from the CPU, while the 285K provides Gen 5 with 20 lanes from the CPU. The additional lanes on the 285K allow for more expansion options.

Specification Differences

The two processors differ in several key specifications. The Intel Core 5 221TE has 10 cores and 16 threads, while the Intel Core Ultra 9 285K has 24 cores and 24 threads. The 221TE has a base clock of 1.80 GHz and a boost clock of 5.00 GHz. The 285K has a base clock of 3.70 GHz and a boost clock of 5.70 GHz.

The TDP is 45 watts for the 221TE and 125 watts for the 285K. The 221TE uses Intel Socket 1700, while the 285K uses Intel Socket 1851. The 221TE supports DDR4 and DDR5 memory, while the 285K supports only DDR5. Both have dual-channel memory buses, but the 285K's bandwidth is 102.4 GB/s versus 76.8 GB/s for the 221TE.

The process node is 10 nm for the 221TE and 3 nm for the 285K. The foundry is Intel for the 221TE and TSMC for the 285K. The 285K has an unlocked multiplier, while the 221TE does not. The launch MSRP is $232 for the 221TE and $589 for the 285K.

The release dates differ, with the 285K released on 2024-10-23 and the 221TE released on 2025-01-12. The part numbers are SRVQS for the 221TE and SRQD5 for the 285K. Both processors are active in production and target the desktop market segment.

The Verdict

The benchmark data clearly shows that the Intel Core Ultra 9 285K is the superior processor in every measured workload. It wins all 17 head-to-head comparisons, with deltas ranging from 32.9% in Cinebench R23 single-core to 89.1% in Passmark find prime numbers. Its average benchmark score of 83,807 places it in the 96th percentile of all CPUs, while the 221TE's average score of 17,860 places it in the 71st percentile.

The 285K's 24 cores and 24 threads, combined with its higher clocks, larger caches, and faster memory bandwidth, deliver a comprehensive performance advantage. Its 125 watt TDP and unlocked multiplier indicate that it is designed for enthusiasts who prioritize raw performance over efficiency. The 221TE, with its 45 watt TDP and 10 cores, is a more efficient option, but its performance ceiling is substantially lower.

Users seeking maximum multi-threaded performance for rendering, data compression, or integer math workloads should look to the 285K. Its nearest rivals in the database, including the Intel Core Ultra 9 290K Plus and AMD EPYC 4584PX, are all within 1.5% of its average score, confirming its position at the top of the desktop CPU hierarchy. The 221TE, meanwhile, sits alongside the AMD Ryzen 5 3600XT and Intel Core 5 120U, making it a mainstream choice. The recorded data supports a clear conclusion: for users who need the highest level of compute capability, the 285K is the only option that delivers.