Intel Core 9 273PE vs Intel Core i5-14400T Comparison

FAQ

Q: How much faster is the Intel Core 9 273PE in multi-threaded workloads?

A: The Core 9 273PE leads by a consistent 82% across Cinebench multi-core tests. It scores 3153 versus 1732 in R15, 13140 versus 7219 in R20, and 31288 versus 17189 in R23.

Q: Does the Core 9 273PE have a significant single-core advantage?

A: The single-core lead is large in Cinebench, with the Core 9 273PE scoring 445 versus 244 in R15 (82.4% ahead), 1855 versus 1018 in R20 (82.2% ahead), and 4417 versus 2426 in R23 (82.1% ahead). In PassMark single-thread tests, the advantage shrinks to only 3.9%.

Q: Which processor has more cores and threads?

A: The Intel Core 9 273PE has 12 cores and 24 threads. The Intel Core i5-14400T has 10 cores and 16 threads. Both use the Intel Socket 1700.

Q: What are the clock speed differences?

A: The Core 9 273PE has a base clock of 2.30 GHz and a boost clock of 5.70 GHz. The i5-14400T has a base clock of 1.50 GHz and a boost clock of 4.50 GHz.

Q: Do both processors support ECC memory?

A: Yes, both the Intel Core 9 273PE and the Intel Core i5-14400T support ECC memory. Both also support DDR4 and DDR5 memory in a dual-channel configuration.

Q: How do the two compare in overall benchmark percentile?

A: The Core 9 273PE sits in the 90th percentile of all CPUs, with an average benchmark score of 49845. The i5-14400T is in the 79th percentile, with an average benchmark score of 27166.

The Verdict

The benchmark data draws a clear line between these two processors. The Intel Core 9 273PE wins all 17 recorded benchmark comparisons against the Intel Core i5-14400T. There are no recorded wins for the i5-14400T. The average benchmark score difference is substantial: 49845 for the Core 9 273PE versus 27166 for the i5-14400T.

For workloads that demand maximum compute throughput, the Core 9 273PE is the correct pick. Its Cinebench multi-core scores are uniformly 82% higher, and its PassMark integer and floating-point math results are more than double those of the i5-14400T. The Core 9 273PE also carries a 90th percentile ranking against all CPUs, compared to the 79th percentile for the i5-14400T.

The i5-14400T is the choice when power draw is the primary constraint. Its TDP is 35 watts versus 65 watts for the Core 9 273PE. The i5-14400T still delivers competent single-thread performance in PassMark, trailing by only 3.9%, which keeps everyday responsiveness close. But the data shows no performance category where the i5-14400T overtakes the Core 9 273PE.

The Core 9 273PE lands in the same performance neighborhood as the AMD Ryzen AI Max+ 388 (0.1% ahead) and the Intel Core i5-14600KF (0.9% ahead). The i5-14400T sits near the Intel Core i9-9900K (0.3% ahead) and the AMD Ryzen 7 5700G (0.4% ahead). That places the two processors in different tiers entirely.

Head-to-Head Benchmarks

The widest margin comes from PassMark find prime numbers, where the Core 9 273PE scores 203 versus 73 for the i5-14400T, a gap of 178.1%. The Core 9 273PE also dominates PassMark physics at 3120 versus 1244, which is 150.8% ahead.

PassMark floating-point math shows 107884 for the Core 9 273PE against 49139 for the i5-14400T, a 119.5% advantage. PassMark integer math follows the same pattern: 139410 versus 65667, a 112.3% lead. These are the workloads where the Core 9 273PE's extra cores and higher clocks deliver outsized returns.

The Cinebench suite is remarkably consistent. Every multi-core test shows an 82% delta, and every single-core test shows between 82.1% and 82.4% delta. That consistency suggests the architectural and clock advantages of the Core 9 273PE translate evenly across rendering workloads of varying duration.

PassMark data compression favors the Core 9 273PE at 405885 versus 235636, a 72.3% delta. PassMark data encryption shows 22719 versus 13244, a 71.5% delta. Extended instructions measure 24630 versus 14562, a 69.1% delta. Random string sorting records 45098 versus 25181, a 79.1% delta. PassMark multithread scores 36810 versus 20223, an 82% delta.

The closest contest is in PassMark single-thread tests. The Core 9 273PE scores 3650 and the i5-14400T scores 3512, a 3.9% delta. The i5-14400T manages to stay competitive in this metric despite its lower boost clock, but it still loses the comparison.

Specification Differences

The two processors share the same socket, Intel Socket 1700, and the same PCIe configuration: Gen 5 with 16 lanes from the CPU. Both have integrated UHD Graphics 730, both support DDR4 and DDR5, and both use dual-channel memory. They also share the same 10 nm process node and Intel as the foundry.

The core counts differ. The Core 9 273PE has 12 cores and 24 threads. The i5-14400T has 10 cores and 16 threads. The Core 9 273PE has a base clock of 2.30 GHz and a boost clock of 5.70 GHz. The i5-14400T has a base clock of 1.50 GHz and a boost clock of 4.50 GHz.

Thermal design power differs significantly. The Core 9 273PE is rated at 65 watts, while the i5-14400T is rated at 35 watts. The i5-14400T uses a 215 mm² die; the Core 9 273PE has no die size recorded in the database.

Cache configurations diverge as well. The L1 cache is identical at 80 KB per core for both. The L2 cache is 2 MB per core for the Core 9 273PE and 1.25 MB per core for the i5-14400T. The L3 cache is 36 MB shared for the Core 9 273PE and 20 MB shared for the i5-14400T.

The Core 9 273PE has a memory bandwidth rating of 89.6 GB/s. The i5-14400T has no memory bandwidth figure recorded. Both are locked processors with no unlocked multiplier. The Core 9 273PE was released later than the i5-14400T, and its part number is SA4QD versus SRN3N for the i5-14400T.

Architecture Differences

The Core 9 273PE belongs to the Bartlett Lake generation, while the i5-14400T is part of the Raptor Lake Refresh generation, with the codename Raptor Lake-R. Both are built on Intel's 10 nm process, but the architectural lineage differs.

The Core 9 273PE uses the Bartlett Lake architecture, which is not further specified in the database. The i5-14400T uses the Raptor Lake architecture. The generation field for the Core 9 273PE is listed as "Core 9 (Bartlett Lake)" and for the i5-14400T as "Core i5 (Raptor Lake Refresh)".

The L2 cache structure differs between the two. The Core 9 273PE allocates 2 MB per core, while the i5-14400T allocates 1.25 MB per core. The shared L3 cache is 36 MB for the Core 9 273PE and 20 MB for the i5-14400T. These cache differences contribute to the Core 9 273PE's advantage in data-heavy workloads like compression and encryption.

Both processors support ECC memory, which is notable for workstation and server-adjacent use cases. Both also integrate UHD Graphics 730, so the visual output capability is identical. The Core 9 273PE supports 89.6 GB/s of memory bandwidth, and the i5-14400T has no recorded memory bandwidth figure.

Where Each One Wins

The Core 9 273PE wins in every recorded benchmark category against the i5-14400T. Its largest advantages are in prime number finding, physics simulation, and math throughput. The 178.1% lead in find prime numbers and the 150.8% lead in physics indicate workloads that scale heavily with core count and cache size.

Content creation and rendering workloads favor the Core 9 273PE strongly. The Cinebench R23 multi-core score of 31288 versus 17189 represents the kind of performance that shortens render times meaningfully. The 82% delta across all Cinebench multi-core tests means the advantage is consistent regardless of render length.

Data compression and encryption tasks also favor the Core 9 273PE. The 72.3% delta in compression and 71.5% delta in encryption show a clear edge for archive handling and secured data operations. The extended instructions benchmark adds another 69.1% advantage for the Core 9 273PE.

The i5-14400T has no benchmark wins, but its closest result is in PassMark single-thread performance, where it trails by only 3.9%. This narrow margin indicates that for light, single-threaded tasks such as basic office work or web browsing, the user experience would be similar between the two. The i5-14400T also consumes less power at 35 watts TDP, which makes it suitable for low-power builds where maximum throughput is not required.

The Core 9 273PE sits in the 90th percentile of all CPUs, while the i5-14400T sits in the 79th percentile. The Core 9 273PE's nearest rivals include the AMD Ryzen AI Max+ 388 and the Intel Core i5-14600KF, placing it in a performance tier occupied by high-end desktop and mobile processors. The i5-14400T's nearest rivals include the Intel Core i9-9900K and the AMD Ryzen 7 5700G, which are older or mid-range parts. The performance gap between the two processors is therefore not marginal; it reflects a full tier of separation in the database's ranking system.