Intel Core Ultra 5 225T vs Intel Core Ultra 7 265T Comparison

Head-to-Head Benchmarks

The recorded data presents an unusually lopsided head-to-head comparison. Across the seventeen benchmark tests logged in the database, the Intel Core Ultra 7 265T claims fifteen victories, while the Intel Core Ultra 5 225T manages only two narrow wins. The margin of victory for the Ultra 7 is substantial in nearly every category, with the largest gaps appearing in integer math and data encryption workloads.

Starting with the Cinebench suite, the Ultra 7 265T delivers consistently strong results. In Cinebench R23 multi-core, it scores 31,558 against the Ultra 5 225T's 21,971, a difference of 30.4 percent. The single-core R23 test shows the same 30.4 percent gap, with scores of 4,455 and 3,101 respectively. This consistency extends across the older Cinebench versions: R20 multi-core shows 13,254 versus 9,227, and R15 multi-core shows 3,180 versus 2,214. Each of these tests records exactly the same 30.4 percent delta, indicating a uniform performance advantage that scales with clock speed and core count.

The PassMark suite reveals where the Ultra 7 pulls further ahead. The largest single deficit for the Ultra 5 225T appears in PassMark integer math, where the Ultra 7 scores 104,943 against 59,543, a 43.3 percent advantage. Data encryption shows a 38.4 percent gap (29,687 versus 18,289), and floating point math trails by 36.3 percent (129,817 versus 82,751). Data compression follows closely at 36.8 percent (370,158 versus 233,998), while random string sorting shows a 35.2 percent difference (44,400 versus 28,774). Extended instructions land at 29.8 percent (28,609 versus 20,083).

The smallest margins appear in two specific tests. PassMark find prime numbers shows the Ultra 7 ahead by only 11.8 percent (322 versus 284), and physics simulation shows a 14.1 percent gap (2,391 versus 2,053). These narrower deltas suggest that certain workloads do not scale linearly with the Ultra 7's additional resources.

The only two wins for the Ultra 5 225T occur in identical single-thread tests. PassMark single thread and PassMark singlethread both record 4,348 for the Ultra 5 against 4,338 for the Ultra 7, a 0.2 percent margin. This is a razor-thin difference, essentially within measurement noise, but it does indicate that the Ultra 5's higher base clock of 2.50 GHz versus 1.50 GHz provides a slight edge in lightly threaded scenarios when boost clocks are not fully engaged.

Where Each One Wins

The benchmark data splits cleanly into two usage profiles. The Intel Core Ultra 7 265T dominates every multi-threaded and mixed workload in the database. Content creation tasks that rely on Cinebench scores, such as 3D rendering and video encoding, show the Ultra 7 ahead by roughly 30 percent across the board. The PassMark data compression and encryption tests, which simulate archiving and security workloads, favor the Ultra 7 by 36.8 percent and 38.4 percent respectively. Floating point math, relevant to scientific computing and physics simulations, shows a 36.3 percent advantage for the Ultra 7.

The Ultra 5 225T's two wins in single-thread tests suggest it holds a marginal edge in purely sequential tasks, but the margin is only 0.2 percent. This is not a meaningful real-world advantage. The data indicates that the Ultra 5's single-core boost clock of 4.90 GHz, while lower than the Ultra 7's 5.30 GHz boost, can sometimes edge ahead in short bursts. However, the difference between 4,348 and 4,338 points falls well within typical run-to-run variance for such benchmarks.

For users running heavily parallel workloads, the choice is clear from the data. The Ultra 7 265T's 20 cores and 20 threads versus the Ultra 5's 10 cores and 10 threads produce a 31.6 percent advantage in PassMark multithread (37,084 versus 25,358). The average benchmark score tells the same story: 47,697 for the Ultra 7 against 30,468 for the Ultra 5, a 56.5 percent difference that places the Ultra 7 in the 90th percentile of all CPUs, while the Ultra 5 sits at the 82nd percentile.

Architecture Differences

Both processors share the same fundamental architecture. They use the Arrow Lake design, specifically Arrow Lake-S, built on TSMC's 3 nm process node. The transistor count is identical at 17,800 million, and the die size matches at 243 mm². This means the performance gap between the two comes from configuration differences rather than architectural generation changes.

The core counts differ significantly. The Ultra 5 225T has 10 cores and 10 threads, while the Ultra 7 265T doubles that to 20 cores and 20 threads. Neither processor uses simultaneous multithreading, so thread counts equal core counts. The L1 cache is the same at 192 KB per core, and L2 cache is also identical at 3 MB per core. The L3 cache, however, scales with the core count: the Ultra 5 has 20 MB shared, while the Ultra 7 has 30 MB shared. This 10 MB difference in last-level cache can affect workloads that benefit from larger shared pools of data.

The integrated graphics differ as well. The Ultra 5 225T carries Arc Xe-LPG Graphics with 16 execution units, while the Ultra 7 265T doubles this to 64 execution units. This makes the Ultra 7 notably more capable for display output and light GPU-accelerated tasks, though the database does not include specific graphics benchmarks for either processor.

Both chips use the Intel Socket 1851, support DDR5 memory in dual-channel configuration, and provide 102.4 GB/s of memory bandwidth. PCIe connectivity is identical: Gen 5 with 20 lanes from the CPU. Neither processor supports ECC memory, and both are locked, meaning the multiplier is not unlocked for overclocking.

Specification Differences

The most striking specification difference is the TDP. The Ultra 5 225T carries a 65 watt TDP, while the Ultra 7 265T operates at just 35 watts. This is counterintuitive given the Ultra 7's superior performance, but the data confirms it. The Ultra 7 achieves its higher scores while consuming less thermal envelope, which suggests a more efficient core configuration or more aggressive power management in the recorded measurements.

Clock speeds also differ substantially. The Ultra 5 has a base clock of 2.50 GHz and a boost clock of 4.90 GHz. The Ultra 7 has a base clock of 1.50 GHz but a higher boost clock of 5.30 GHz. This explains the single-thread results: the Ultra 7's higher boost ceiling gives it an edge in most single-thread tests, though the Ultra 5's higher base clock allows it to win the two single-thread tests by 0.2 percent.

The release dates differ by roughly one week. The Ultra 5 225T was released on 2024-12-31, while the Ultra 7 265T followed on 2025-01-06. The Ultra 7 has a launch MSRP of $384, while the Ultra 5's launch MSRP is not recorded in the database. The part number for the Ultra 7 is SRQCS, while the Ultra 5's part number is listed as unknown.

Both processors share the same socket, memory support, PCIe configuration, process node, foundry, and transistor count. The production status for both is Active.

FAQ

Q: Which processor has more cores and threads?

A: The Intel Core Ultra 7 265T has 20 cores and 20 threads, exactly double the Ultra 5 225T's 10 cores and 10 threads. Neither processor supports simultaneous multithreading.

Q: How much L3 cache does each processor have?

A: The Ultra 5 225T has 20 MB of shared L3 cache, while the Ultra 7 265T has 30 MB. Both have 192 KB of L1 cache per core and 3 MB of L2 cache per core.

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

A: The Ultra 5 225T has a 65 watt TDP, while the Ultra 7 265T has a 35 watt TDP. Despite the lower power rating, the Ultra 7 outperforms the Ultra 5 in fifteen of seventeen benchmarks.

Q: Which processor has the higher boost clock?

A: The Ultra 7 265T boosts to 5.30 GHz, compared to the Ultra 5 225T's 4.90 GHz. However, the Ultra 5 has a higher base clock at 2.50 GHz versus 1.50 GHz for the Ultra 7.

Q: Do both processors use the same socket and memory?

A: Yes. Both use Intel Socket 1851 and support DDR5 memory in dual-channel configuration with 102.4 GB/s bandwidth. Both also provide Gen 5 PCIe with 20 lanes from the CPU.

Q: What is the average benchmark score difference?

A: The Ultra 7 265T records an average benchmark score of 47,697, while the Ultra 5 225T records 30,468. This places the Ultra 7 in the 90th percentile of all CPUs, compared to the 82nd percentile for the Ultra 5.

The Verdict

The benchmark data points to a clear hierarchy. The Intel Core Ultra 7 265T is the superior processor in nearly every measurable workload, with advantages ranging from 11.8 percent in prime number finding to 43.3 percent in integer math. Its 20 cores, 30 MB of L3 cache, and higher 5.30 GHz boost clock deliver consistent wins across Cinebench and PassMark tests. The 90th percentile ranking versus the 82nd percentile for the Ultra 5 confirms this at a broader level.

The Ultra 5 225T's only wins come in single-thread tests by a 0.2 percent margin, which is negligible in practical use. Its higher base clock of 2.50 GHz provides a slight edge in short sequential bursts, but the Ultra 7's 5.30 GHz boost clock wins most single-thread tests anyway.

The TDP figures complicate the picture. The Ultra 7 265T operates at 35 watts while delivering 30 to 43 percent higher performance in multi-threaded workloads. The Ultra 5 225T consumes 65 watts, nearly double the thermal envelope, yet produces lower scores across the board. This suggests the Ultra 7 is the more power-efficient choice for users who prioritize performance per watt.

Users running heavily parallel workloads, such as rendering, data compression, encryption, or scientific computing, should select the Ultra 7 265T. The data shows a 31.6 percent advantage in multithread performance and a 36.8 percent advantage in data compression. The larger L3 cache and double core count provide headroom for scaling.

The Ultra 5 225T remains a viable option for users with strictly sequential workloads or those constrained by the 65 watt TDP specification. Its single-thread scores are within 0.2 percent of the Ultra 7, and its lower core count may simplify thermal management in compact systems. However, the recorded data offers no substantial performance reason to prefer the Ultra 5 over the Ultra 7.