Intel Core i5-14500T vs Intel Core i9-10900K Comparison

The Intel Core i5-14500T and Intel Core i9-10900K represent two very different approaches to desktop performance, separated by four generations of architecture. The benchmark data reveals a surprisingly close overall contest, with the i5-14500T taking 12 of 19 head-to-head wins against 7 for the i9-10900K. However, the margin of victory in each test tells a more nuanced story: the i5-14500T wins by narrow margins in most cases, while the i9-10900K scores decisive victories in specific heavy workloads. The average benchmark scores are nearly identical (28065 for the i5-14500T versus 27872 for the i9-10900K), and both sit at the 80th and 79th percentile of all CPUs respectively. This is a matchup where workload selection matters more than raw capability.

Head-to-Head Benchmarks

The single most dramatic result in this comparison is the Cinebench R23 multicore test, where the i9-10900K delivers a 18895 score against 11790 for the i5-14500T — a 37.6% advantage. This is the largest delta in either direction and confirms that the older i9 retains a serious lead in sustained multi-threaded rendering workloads. The single-core R23 result follows the same pattern: the i9-10900K scores 2667 versus 1838, a 31.1% gap. These are not small margins; they represent a generational difference in how each chip handles long-duration, high-intensity compute.

The i5-14500T fights back with equally impressive wins in other areas. The Geekbench single-core test shows a 30.3% advantage (2229 versus 1711), and the PassMark encryption test shows a staggering 97.7% lead (15410 versus 7796). The floating-point math test also goes to the i5-14500T with 58869 against 53123, a 10.8% margin. In the Cinebench R15 and R20 suites, the i5-14500T wins both multicore and single-core tests, though the margins are modest: 6.2% and 3% in multicore, and 3% in R20 single-core. The R15 single-core test is one of only two tests where the i9-10900K wins by a single-digit margin (6%).

The PassMark suite splits almost evenly by category. The i9-10900K wins data compression (375336 versus 262417, a 30.1% lead), extended instructions (24620 versus 16043, a 34.8% lead), integer math (85404 versus 80922, a 5.2% lead), and random string sorting (46389 versus 28462, a 38.6% lead). The i5-14500T counters with wins in find prime numbers (81 versus 63, a 28.6% lead), physics (1288 versus 1029, a 25.2% lead), and single-thread performance (3736 versus 3113, a 20% lead). The multithread test is essentially a tie at 22910 versus 22452, a 2% edge for the i5-14500T.

FAQ

Q: Which CPU has the higher boost clock?

A: The Intel Core i9-10900K boosts to 5.30 GHz, while the Intel Core i5-14500T boosts to 4.80 GHz. The i9-10900K also has a higher base clock at 3.70 GHz versus 1.70 GHz for the i5-14500T.

Q: Does the i5-14500T support DDR5 memory?

A: Yes. The i5-14500T supports both DDR4 and DDR5, while the i9-10900K supports only DDR4. The i9-10900K has a listed memory bandwidth of 46.9 GB/s, but no such figure is provided for the i5-14500T.

Q: Which CPU has more cores and threads?

A: The i5-14500T has 14 cores and 20 threads, while the i9-10900K has 10 cores and 20 threads. Both have the same thread count, but the i5-14500T has four additional physical cores.

Q: What are the TDP ratings for each CPU?

A: The i5-14500T has a TDP of 35 watts, while the i9-10900K has a TDP of 125 watts. This indicates the i5-14500T is designed for much lower power operation.

Q: Which CPU has better single-thread performance in Geekbench?

A: The i5-14500T wins Geekbench single-core with a score of 2229 against 1711 for the i9-10900K, a 30.3% advantage. The same pattern appears in PassMark single-thread tests, where the i5-14500T scores 3736 versus 3113.

Q: Is the i9-10900K still in production?

A: No. The i9-10900K is listed as end-of-life, with a release date of 2020-04-29. The i5-14500T is active and was released on 2024-01-07.

Architecture Differences

The architectural gap between these two chips is substantial. The i5-14500T is built on Raptor Lake architecture using a 10 nm process node, while the i9-10900K uses Comet Lake on a 14 nm node. This process advantage is a key factor in the i5-14500T's ability to achieve higher performance per watt, reflected in its 35 watt TDP versus 125 watts for the i9-10900K. The die sizes are similar — 215 mm² for the i5-14500T and 206 mm² for the i9-10900K — but the newer node packs more functionality into that space.

Cache configurations differ significantly. The i5-14500T has 80 KB of L1 cache per core and 1.25 MB of L2 cache per core, with 24 MB of shared L3 cache. The i9-10900K has 64 KB of L1 per core, 256 KB of L2 per core, and 20 MB of shared L3. The per-core L2 difference is particularly notable: 1.25 MB versus 256 KB represents a 5x increase in L2 capacity per core for the i5-14500T.

Memory support is another major divergence. The i5-14500T supports both DDR4 and DDR5, while the i9-10900K is limited to DDR4. The i5-14500T also supports ECC memory, which the i9-10900K does not. PCIe capabilities follow the same pattern: the i5-14500T offers Gen 5 with 16 lanes (CPU only), while the i9-10900K provides Gen 3 with 16 lanes. Integrated graphics differ as well, with the i5-14500T featuring UHD Graphics 770 and the i9-10900K using UHD Graphics 630.

Specification Differences

The core and thread counts differ in an interesting way: the i5-14500T has 14 cores and 20 threads, while the i9-10900K has 10 cores and 20 threads. The clock speeds favor the i9-10900K, which has a base clock of 3.70 GHz and a boost clock of 5.30 GHz, compared to 1.70 GHz base and 4.80 GHz boost for the i5-14500T. The TDP difference is dramatic: 35 watts versus 125 watts.

Socket compatibility is entirely different: the i5-14500T uses Intel Socket 1700, while the i9-10900K uses Intel Socket 1200. The i5-14500T supports both DDR4 and DDR5 memory, whereas the i9-10900K supports only DDR4. The i9-10900K has a listed memory bandwidth of 46.9 GB/s, but no such figure is provided for the i5-14500T. ECC memory is supported on the i5-14500T but not on the i9-10900K. The i5-14500T offers PCIe Gen 5, while the i9-10900K is limited to Gen 3. The i5-14500T has a locked multiplier, while the i9-10900K has an unlocked multiplier. The i5-14500T's launch MSRP was $232, and the i9-10900K's launch MSRP was $547. The i5-14500T remains active in production, while the i9-10900K is end-of-life.

Where Each One Wins

The i9-10900K is the clear choice for sustained multi-threaded rendering and compute tasks. Its 37.6% lead in Cinebench R23 multicore and 31.1% lead in R23 single-core show that it excels in modern rendering engines that scale with both core count and high clocks. The PassMark results reinforce this: the i9-10900K wins data compression by 30.1%, extended instructions by 34.8%, and random string sorting by 38.6%. These are workloads that benefit from the i9-10900K's high boost clock of 5.30 GHz and its 10 full-size cores. Integer math also goes to the i9-10900K, though by a slim 5.2% margin.

The i5-14500T wins in nearly every other category, making it the more versatile everyday processor. Its 30.3% lead in Geekbench single-core suggests snappier responsiveness in typical desktop applications. The 97.7% encryption advantage is massive and indicates strong security-related performance. The 28.6% lead in find prime numbers and 25.2% lead in physics further demonstrate its strength in mathematical workloads. The floating-point math win of 10.8% shows the i5-14500T handles scientific calculations well. For general multi-threaded use, the i5-14500T wins PassMark multithread by 2% and Cinebench R20 multicore by 3%, indicating it is competitive in most productivity scenarios.

The Verdict

The data supports a clear split: choose the Intel Core i9-10900K if your primary workloads are long-running, heavily multithreaded render jobs or data compression tasks where its 37.6% Cinebench R23 multicore lead and 30.1% compression advantage will be directly visible. Its 5.30 GHz boost clock and unlocked multiplier also make it the better candidate for overclocking, though it comes with a 125 watt TDP and end-of-life status.

Choose the Intel Core i5-14500T for almost everything else. It wins 12 of 19 benchmarks, including decisive victories in single-thread performance (30.3% in Geekbench), encryption (97.7%), and physics (25.2%). It supports DDR5 and ECC memory, offers PCIe Gen 5, and does all of this at a 35 watt TDP — a 72% reduction in power draw. Its active production status and newer release date mean it remains a current option for new builds. The near-identical average benchmark scores (28065 versus 27872) confirm that the i5-14500T delivers comparable overall performance while consuming a fraction of the power and supporting modern platform features. For a new system, the i5-14500T is the more future-proof and efficient choice; the i9-10900K only makes sense if you already have a Socket 1200 platform and specifically need its rendering leadership.