Intel Core 3 305 vs Intel Core i5-14600T Comparison
Intel Core 3 305
Core i5-14600T
PERFORMANCE BENCHMARKS
Analysis: Intel Core 3 305 vs Intel Core i5-14600T
Head-to-Head Benchmarks
The recorded data shows a dominant performance profile for the Intel Core i5-14600T, which wins 15 of the 17 direct comparisons. The Intel Core 3 305 manages only 2 wins, both in the Passmark single-thread tests. The magnitude of the i5-14600T's victories varies widely, from a narrow 5% edge in prime number finding to a massive 66% margin in integer math.
In Cinebench tests, the i5-14600T holds a consistent advantage of roughly 41.5% across all versions and workloads. The multicore results show 2262 versus 1322 in Cinebench R15, 9427 versus 5511 in R20, and 22447 versus 13123 in R23. The single-core Cinebench results follow the same pattern, with the i5-14600T scoring 319 versus 186 in R15, 1330 versus 777 in R20, and 3169 versus 1852 in R23. This consistency suggests the gap is structural rather than workload-specific.
The Passmark suite reveals where the architectural differences matter most. Data compression shows the i5-14600T at 301827 against 146857, a 51.3% advantage. Random string sorting favors the i5-14600T by 48.6%, with scores of 34310 and 17623. Integer math delivers the largest delta at 66%, with 95112 versus 32295. Floating point math shows a 34.7% gap, 64726 versus 42284. Data encryption is closer at 39.5%, with 18226 versus 11019. Extended instructions show the smallest major gap at 20.3%, with 16985 versus 13543.
The two wins for the Core 3 305 come in Passmark single-thread and singlethread tests, which are recorded as the same score of 3977 for the Core 3 and 3744 for the i5-14600T. This 6.2% advantage is notable because it contradicts the Cinebench single-core results, where the i5-14600T leads by 41.6%. The Passmark single-thread test appears to measure different characteristics than Cinebench's single-core workload.
Architecture Differences
The two processors represent fundamentally different design approaches. The Intel Core 3 305 uses the Wildcat Lake architecture built on a 3 nm process node, while the Intel Core i5-14600T uses Raptor Lake-R on a 10 nm node. The Core 3 305 has 6 cores and 6 threads, indicating no hyperthreading. The i5-14600T has 14 cores and 20 threads, which implies a hybrid configuration with performance and efficiency cores.
Cache hierarchies differ substantially. The Core 3 305 has 192 KB of L1 cache, 2.5 MB of L2, and 6 MB of shared L3. The i5-14600T specifies 80 KB of L1 per core, 2 MB of L2 per core, and 24 MB of shared L3. With 14 cores, the i5-14600T's per-core L1 and L2 figures scale to a much larger total cache footprint. The L3 cache is four times larger on the i5-14600T.
Memory support and bandwidth reveal the platform positioning. The Core 3 305 supports DDR5 and LPDDR5X with a single-channel memory bus and 59.7 GB/s bandwidth. The i5-14600T supports DDR4 and DDR5 with a dual-channel bus, and no bandwidth figure is recorded. The i5-14600T supports ECC memory, while the Core 3 305 does not.
PCIe connectivity differs by generation and lane count. The Core 3 305 provides PCIe Gen 4 with 6 CPU lanes. The i5-14600T provides PCIe Gen 5 with 16 CPU lanes. The i5-14600T also has a larger die at 257 mm², while the Core 3 305 has no die size recorded. The integrated graphics differ: Intel Xe3 Graphics with 1 Xe core on the Core 3 305, versus UHD Graphics 770 on the i5-14600T.
Clock speeds show the i5-14600T running higher in both base and boost. The Core 3 305 has a 1.50 GHz base and 4.30 GHz boost. The i5-14600T starts at 1.80 GHz base and reaches 5.10 GHz boost. The thermal design power is 15 W for the Core 3 305 and 35 W for the i5-14600T, reflecting the mobile versus desktop market segmentation.
Where Each One Wins
The i5-14600T wins across every multithreaded workload in the database. The Cinebench multicore tests, Passmark multithread, integer math, floating point math, data compression, encryption, physics, and random string sorting all favor the i5-14600T by margins from 20.3% to 66%. The 14-core, 20-thread configuration with 24 MB of shared L3 cache provides substantial parallel throughput advantages over the 6-core, 6-thread Core 3 305.
The Core 3 305 wins only in Passmark single-thread performance. Its 3977 score against 3744 represents a 6.2% advantage. This is a meaningful result because it suggests the Wildcat Lake architecture, despite fewer cores and a lower boost clock on paper, delivers superior single-thread execution in at least one benchmark methodology. The 3 nm process node likely contributes to this efficiency.
The discrepancy between Cinebench single-core and Passmark single-thread results is worth examining. In Cinebench R23 single-core, the i5-14600T leads by 41.6%, yet in Passmark single-thread, the Core 3 305 leads by 6.2%. The benchmark methodologies clearly stress different aspects of single-thread performance. The Passmark test may be more sensitive to memory latency, instruction efficiency, or specific instruction patterns where the newer Wildcat Lake architecture excels.
For workloads that are heavily parallel and cache-sensitive, the i5-14600T is the clear choice. For single-threaded tasks that resemble Passmark's test patterns, the Core 3 305 shows an edge. The average benchmark score reflects this split: the i5-14600T averages 32707 points, while the Core 3 305 averages 18302 points. The percentile ranking places the i5-14600T at 83rd percentile versus 72nd for the Core 3 305.
Specification Differences
The two processors differ across nearly every recorded specification. Core count: 6 for the Core 3 305, 14 for the i5-14600T. Thread count: 6 versus 20. Base clock: 1.50 GHz versus 1.80 GHz. Boost clock: 4.30 GHz versus 5.10 GHz. Thermal design power: 15 W versus 35 W. Socket: Intel BGA 1516 for the Core 3 305, Intel Socket 1700 for the i5-14600T.
Process node and die size separate the generations. The Core 3 305 uses 3 nm, the i5-14600T uses 10 nm. The i5-14600T has a recorded die size of 257 mm², while the Core 3 305 has no die size listed. Cache figures differ: L1 is 192 KB total on the Core 3 305 versus 80 KB per core on the i5-14600T. L2 is 2.5 MB total versus 2 MB per core. L3 is 6 MB shared versus 24 MB shared.
Memory support differs in both type and channel configuration. The Core 3 305 supports DDR5 and LPDDR5X with single-channel memory and 59.7 GB/s bandwidth. The i5-14600T supports DDR4 and DDR5 with dual-channel memory and no recorded bandwidth. ECC support exists only on the i5-14600T.
PCIe generation and lane count favor the i5-14600T: Gen 5 with 16 lanes versus Gen 4 with 6 lanes. Integrated graphics: Intel Xe3 Graphics with 1 Xe on the Core 3 305, UHD Graphics 770 on the i5-14600T. Market segment: Mobile for the Core 3 305, Desktop for the i5-14600T. Release dates: 2026-04-15 for the Core 3 305, 2024-01-07 for the i5-14600T. The launch MSRP is $309 for the Core 3 305 and $255 for the i5-14600T.
FAQ
Q: Which processor wins more benchmark comparisons?
A: The Intel Core i5-14600T wins 15 of the 17 head-to-head benchmarks. The Intel Core 3 305 wins 2, both in Passmark single-thread tests.
Q: What is the largest performance gap between the two?
A: The largest gap is in Passmark integer math, where the i5-14600T scores 95112 versus 32295, a 66% advantage. The smallest gap is in Passmark find prime numbers, at 5%.
Q: How do the single-thread results compare across different benchmarks?
A: The results are contradictory. In Cinebench R15, R20, and R23 single-core tests, the i5-14600T leads by approximately 41.6%. In Passmark single-thread tests, the Core 3 305 leads by 6.2%, scoring 3977 versus 3744.
Q: What are the core and thread counts for each processor?
A: The Core 3 305 has 6 cores and 6 threads. The i5-14600T has 14 cores and 20 threads.
Q: Which processor has a larger L3 cache?
A: The i5-14600T has 24 MB of shared L3 cache. The Core 3 305 has 6 MB of shared L3 cache.
Q: What memory configurations does each processor support?
A: The Core 3 305 supports DDR5 and LPDDR5X with a single-channel bus and 59.7 GB/s bandwidth. The i5-14600T supports DDR4 and DDR5 with a dual-channel bus, with ECC support.
The Verdict
The data points to the i5-14600T for virtually all compute-intensive workloads. The 66% advantage in integer math, 51.3% in data compression, and 41.5% across the Cinebench multicore suite establish a consistent pattern of superiority in parallel tasks. The 14-core configuration with 20 threads and 24 MB of L3 cache delivers performance that the 6-core Core 3 305 cannot approach in multithreaded scenarios.
The Core 3 305's single-thread win in Passmark, at 6.2%, indicates the Wildcat Lake architecture has genuine single-thread efficiency advantages. The 3 nm process node and newer design allow it to outperform the i5-14600T in that specific benchmark despite a lower boost clock of 4.30 GHz versus 5.10 GHz. This could translate to advantages in lightly threaded applications that resemble Passmark's test patterns.
The market segmentation reinforces the intended use cases. The Core 3 305 is a mobile processor with 15 W TDP and a single-channel memory bus, suited for power-constrained portable devices. The i5-14600T is a desktop processor with 35 W TDP, dual-channel memory, and PCIe Gen 5 connectivity, suited for desktop systems that can supply more power and bandwidth.
The percentile rankings summarize the overall positioning. The i5-14600T sits at the 83rd percentile of all CPUs, while the Core 3 305 sits at the 72nd percentile. The average benchmark scores of 32707 versus 18302 show the i5-14600T delivers roughly 79% higher average performance.
For users prioritizing sustained multithreaded throughput, integer and floating point calculations, or heavy data compression workloads, the i5-14600T is the data-supported choice. For users in mobile form factors where the 15 W TDP and BGA socket matter, and where single-thread Passmark-style performance is the priority, the Core 3 305 has a specific but narrow advantage. The benchmark database shows no other workload category where the Core 3 305 leads.