Intel Core 7 253PE vs Intel Core i5-14400T Comparison

The Intel Core 7 253PE and Intel Core i5-14400T are both desktop processors on the Intel Socket 1700 platform, but the recorded data shows they occupy very different performance tiers. The Core 7 253PE, built on the Bartlett Lake codename, wins all 17 head-to-head benchmark comparisons against the Raptor Lake-based Core i5-14400T. The average benchmark scores reflect this gap: the Core 7 253PE scores 40557, placing it in the 87th percentile of all CPUs, while the Core i5-14400T scores 27166, landing in the 79th percentile. The performance deltas are substantial, ranging from 12.6% in single-threaded workloads to as much as 89% in prime number finding.

FAQ

Q: Which processor has a higher core count?

A: Both processors have 10 cores. The Core 7 253PE has 20 threads, while the Core i5-14400T has 16 threads.

Q: What is the difference in boost clock speed?

A: The Core 7 253PE boosts to 5.50 GHz, while the Core i5-14400T boosts to 4.50 GHz. The base clocks are 2.50 GHz and 1.50 GHz, respectively.

Q: How much L3 cache does each processor have?

A: The Core 7 253PE has 33 MB of shared L3 cache, while the Core i5-14400T has 20 MB of shared L3 cache. The L2 cache also differs: 2 MB per core on the Core 7 253PE versus 1.25 MB per core on the Core i5-14400T.

Q: Do both processors support the same memory types?

A: Yes, both support DDR4 and DDR5 memory in a dual-channel configuration. The Core 7 253PE has a recorded memory bandwidth of 89.6 GB/s, while the Core i5-14400T has no memory bandwidth figure recorded in the database.

Q: Which processor has a higher single-thread score?

A: The Core 7 253PE leads in single-thread performance. In PassMark single-thread testing, it scores 3955 versus 3512 for the Core i5-14400T, a 12.6% advantage. In Cinebench R23 single-core, the Core 7 253PE scores 3512 versus 2426, a 44.8% lead.

Q: What are the thermal design power ratings of these two CPUs?

A: The Core 7 253PE has a TDP of 65 watts, while the Core i5-14400T has a TDP of 35 watts.

Architecture Differences

The Core 7 253PE uses the Bartlett Lake codename and belongs to the Core 7 (Bartlett Lake) generation, while the Core i5-14400T is built on the Raptor Lake architecture with the Raptor Lake-R codename and belongs to the Core 14th Gen series. Both are manufactured on Intel's 10 nm process node, but the die sizes differ. The Core i5-14400T has a recorded die size of 215 mm², while the Core 7 253PE has no die size recorded in the database.

The core topology differs despite matching core counts. The Core 7 253PE has 10 cores and 20 threads, indicating a configuration where every core can process two threads. The Core i5-14400T has 10 cores and 16 threads, indicating a hybrid layout with fewer threads than cores times two. This thread count difference contributes to the Core 7 253PE's multicore advantage.

Cache hierarchy diverges significantly. Both have 80 KB of L1 cache per core, but the L2 cache is 2 MB per core on the Core 7 253PE versus 1.25 MB per core on the Core i5-14400T. The L3 cache is 33 MB shared on the Core 7 253PE and 20 MB shared on the Core i5-14400T. More cache at each level gives the Core 7 253PE an advantage in data-heavy workloads.

Both processors support DDR4 and DDR5 memory, use dual-channel memory buses, support ECC memory, and feature PCIe Gen 5 with 16 lanes from the CPU. Both integrate UHD Graphics 730. The Core 7 253PE has a recorded memory bandwidth of 89.6 GB/s, while the Core i5-14400T has no such figure in the database. Both are locked processors, meaning the multiplier is not unlocked. The Core 7 253PE has a launch MSRP of $384, released on 2026-03-08. The Core i5-14400T has a launch MSRP of $221, released on 2024-01-07.

Head-to-Head Benchmarks

The Core 7 253PE wins every recorded benchmark comparison, but the margin varies by workload type. The largest gap appears in PassMark find prime numbers, where the Core 7 253PE scores 138 versus 73, a 89% advantage. This workload, which is highly sensitive to integer throughput and clock speed, shows the greatest separation between the two chips.

Integer math performance is also heavily skewed toward the Core 7 253PE. In PassMark integer math, the Core 7 253PE scores 114158 against 65667, a 73.8% lead. Floating point math shows a 64.6% gap, with scores of 80870 and 49139. Extended instructions testing shows a 49.7% delta, with the Core 7 253PE scoring 21806 and the Core i5-14400T scoring 14562.

Cinebench results show a consistent pattern. Across Cinebench R15, R20, and R23, both multicore and singlecore tests, the Core 7 253PE holds a delta between 44.7% and 45.1%. For example, Cinebench R23 multicore shows 24880 versus 17189, and Cinebench R23 singlecore shows 3512 versus 2426. This consistency suggests a balanced architectural improvement rather than a workload-specific edge.

Data compression and encryption also favor the Core 7 253PE. PassMark data compression scores 339133 versus 235636, a 43.9% delta. PassMark data encryption scores 18385 versus 13244, a 38.8% delta. The PassMark multithread score shows a 44.7% advantage, with 29271 versus 20223. Physics testing shows a 48.3% delta, with scores of 1845 and 1244. Random string sorting has the smallest multicore gap at 30.2%, with scores of 32777 and 25181.

The narrowest overall margin is in PassMark single-thread testing, where the Core 7 253PE scores 3955 versus 3512, a 12.6% lead. This indicates that while the Core 7 253PE has a clear single-thread advantage, the gap is smaller than in heavily threaded or compute-intensive workloads. The average benchmark scores reinforce this: the Core 7 253PE at 40557 sits 49.3% above the Core i5-14400T at 27166.

Specification Differences

The recorded specifications show several key differences between the two processors. The Core 7 253PE has 10 cores and 20 threads, while the Core i5-14400T has 10 cores and 16 threads. Base clocks are 2.50 GHz versus 1.50 GHz. Boost clocks are 5.50 GHz versus 4.50 GHz. TDP ratings are 65 watts versus 35 watts.

The cache configuration differs at L2 and L3 levels. The Core 7 253PE has 2 MB L2 per core and 33 MB shared L3. The Core i5-14400T has 1.25 MB L2 per core and 20 MB shared L3. Both have 80 KB L1 per core.

The Core 7 253PE has a recorded memory bandwidth of 89.6 GB/s, while the Core i5-14400T has no memory bandwidth figure. The Core i5-14400T has a die size of 215 mm², while the Core 7 253PE has no die size recorded. Both support DDR4 and DDR5, dual-channel memory, ECC memory, PCIe Gen 5 with 16 lanes, and use UHD Graphics 730. Both are locked, non-unlocked multipliers.

The release dates and part numbers differ. The Core 7 253PE was released on 2026-03-08 with part number SA4QE. The Core i5-14400T was released on 2024-01-07 with part number SRN3N. The Core 7 253PE belongs to the Bartlett Lake generation, while the Core i5-14400T is part of the Core 14th Gen Raptor Lake Refresh lineup.

Where Each One Wins

The Core 7 253PE wins in every measured category. The data shows no benchmark where the Core i5-14400T records a higher score. For workloads that stress integer math, such as prime number finding or general computation, the Core 7 253PE has a massive 89% and 73.8% edge respectively. For floating point workloads, the 64.6% advantage makes it the stronger choice for scientific or simulation tasks.

For rendering and content creation, the Cinebench results indicate a consistent 44.7% to 45.1% lead across all versions. The Core 7 253PE delivers 24880 in Cinebench R23 multicore versus 17189 for the Core i5-14400T, making it the better option for multi-threaded rendering workloads. The single-core Cinebench R23 score of 3512 versus 2426 gives it a clear edge in lightly threaded tasks as well.

The Core i5-14400T does not win any recorded benchmark, but its lower 35 watt TDP and lower boost clock of 4.50 GHz suggest a different operating envelope. The data does not include power draw measurements, so any efficiency comparison must remain qualitative. The Core i5-14400T's 10 cores and 16 threads still provide a capable baseline for general desktop use, but it sits 49.3% below the Core 7 253PE in average benchmark score.

Compression and encryption workloads show a 43.9% and 38.8% advantage for the Core 7 253PE. This makes it the stronger pick for file archiving, database workloads, or any task involving heavy data transformation. The single-thread PassMark score of 3955 versus 3512 shows a smaller 12.6% gap, meaning the Core i5-14400T is comparatively less far behind in everyday responsiveness tasks.

The Verdict

The benchmark data indicates a clear performance hierarchy. The Intel Core 7 253PE outclasses the Intel Core i5-14400T across all 17 recorded head-to-head comparisons, with an average benchmark score of 40557 versus 27166. The Core 7 253PE holds the 87th percentile among all CPUs, while the Core i5-14400T holds the 79th percentile.

The Core 7 253PE is the appropriate choice for workloads that demand maximum throughput: multi-threaded rendering, data compression, encryption, and compute-heavy simulations. Its higher boost clock, greater thread count, and larger cache pool align with the recorded performance advantages. The 89% lead in prime number finding and the 73.8% lead in integer math show that this processor is particularly strong in workloads that scale with raw computational throughput.

The Core i5-14400T, with its 35 watt TDP and lower clock speeds, remains a functional desktop processor. The data shows it trails in every measured category, but its 10-core, 16-thread configuration and 20 MB L3 cache still provide a reasonable foundation for general computing. For a system where power draw is a primary constraint and peak performance is secondary, the Core i5-14400T has a lower TDP than the Core 7 253PE. For any workload where performance is the deciding factor, the Core 7 253PE is the superior part according to the recorded measurements.