Intel Core 3 305 vs Intel Core i7-14701E Comparison

FAQ

Q: How large is the performance gap between the Intel Core 3 305 and the Intel Core i7-14701E?

A: The i7-14701E wins all 17 head-to-head benchmark comparisons. Its average benchmark score is 33206, placing it at the 83rd percentile of all CPUs, while the Core 3 305 averages 18302 and sits at the 72nd percentile.

Q: How do the two processors compare in single-threaded workloads?

A: The i7-14701E leads in PassMark single-thread testing with a score of 4305 versus 3977 for the Core 3 305, a 7.6% advantage. In Cinebench R23 single-core, the gap widens to 3133 versus 1852, a 40.9% difference.

Q: Which processor offers better multi-core rendering performance?

A: The i7-14701E dominates multi-core rendering. In Cinebench R23 multi-core, it scores 22195 versus 13123 for the Core 3 305, a 40.9% advantage. The same margin appears in Cinebench R20 multi-core (9321 versus 5511) and R15 multi-core (2237 versus 1322).

Q: Are there any benchmarks where the Core 3 305 comes close to the i7-14701E?

A: The narrowest gap is in PassMark single-thread testing, where the i7-14701E leads by just 7.6%. The largest gap is in PassMark integer math, where the i7-14701E leads by 60.3% (81325 versus 32295).

Q: What are the key architectural differences between the two processors?

A: The Core 3 305 uses Wildcat Lake on a 3 nm process with 6 cores and 6 threads, while the i7-14701E uses Raptor Lake-R on a 10 nm process with 8 cores and 16 threads. The i7-14701E also has a larger 33 MB shared L3 cache versus 6 MB, and a 257 mm² die size.

Q: Which processor supports ECC memory?

A: The Intel Core i7-14701E supports ECC memory, while the Intel Core 3 305 does not. The i7-14701E also supports both DDR4 and DDR5 memory, whereas the Core 3 305 only supports DDR5 and LPDDR5X.

The Verdict

The benchmark data shows a decisive performance hierarchy. The Intel Core i7-14701E wins every single one of the 17 recorded comparisons, with advantages ranging from 7.6% in PassMark single-thread to 60.3% in PassMark integer math. The Core 3 305 cannot claim a single victory in any measured category.

The i7-14701E targets desktop users who need substantial multi-threaded throughput. Its 8 cores and 16 threads, combined with a 5.40 GHz boost clock, deliver Cinebench R23 multi-core scores of 22195. That places it at the 83rd percentile of all CPUs, with nearest rivals including the AMD Ryzen 9 PRO 6950H and the Intel Core i7-13650HX, both within 0.4% of its average score.

The Core 3 305 serves a different purpose entirely. As a mobile processor with a 15 W TDP, it prioritizes efficiency over raw performance. Its 6 cores and 6 threads reach a 4.30 GHz boost clock, and it uses a 3 nm process node. Its nearest rivals include the Intel Core i3-14100 and the AMD Ryzen 5 2600E, with all four nearest competitors within 0.4% of its average score.

For desktop builders running heavy rendering, data compression, or physics simulations, the i7-14701E is the clear choice from the data. For mobile users needing a low-power part with respectable single-thread performance, the Core 3 305 fits that niche. The i7-14701E also supports ECC memory and dual-channel DDR4/DDR5, features absent from the Core 3 305. No benchmark suggests the Core 3 305 can match the i7-14701E in compute-heavy tasks.

Head-to-Head Benchmarks

The head-to-head data shows a complete sweep by the i7-14701E. The smallest win comes in PassMark single-thread testing, where the i7-14701E scores 4305 versus 3977, a 7.6% advantage. PassMark extended instructions shows a 26.9% gap (18528 versus 13543), and PassMark data encryption shows a 25.9% gap (14862 versus 11019).

The largest single advantage appears in PassMark integer math. The i7-14701E scores 81325 while the Core 3 305 manages 32295, a 60.3% difference. PassMark physics shows a 48.6% gap (2399 versus 1233), and PassMark data compression shows a 48.1% gap (282939 versus 146857).

Cinebench results are remarkably consistent. All six Cinebench tests show the i7-14701E leading by approximately 40.9% to 41%. In Cinebench R23 multi-core, the i7-14701E scores 22195 against 13123. In R23 single-core, it scores 3133 against 1852. The R20 and R15 tests follow the same pattern, with multi-core scores of 9321 versus 5511 and 2237 versus 1322, respectively.

PassMark multithread shows a 40.9% gap (26112 versus 15439), matching the Cinebench multi-core margins. PassMark random string sorting shows a 39.6% gap (29158 versus 17623), and PassMark find prime numbers shows a 34.7% gap (176 versus 115). PassMark floating point math shows a 31.7% gap (61873 versus 42284).

The consistency of these margins confirms that the i7-14701E holds a structural performance advantage across integer, floating point, and rendering workloads. The only category where the Core 3 305 approaches parity is single-threaded PassMark testing, where the modern 3 nm process partially compensates for the lower boost clock.

Specification Differences

The two processors differ across nearly every major specification. The Core 3 305 uses 6 cores and 6 threads, while the i7-14701E uses 8 cores and 16 threads. Base clocks are 1.50 GHz for the Core 3 305 and 2.60 GHz for the i7-14701E. Boost clocks are 4.30 GHz and 5.40 GHz, respectively.

Thermal design power differs substantially. The Core 3 305 has a 15 W TDP, indicating a mobile-focused design. The i7-14701E has a 65 W TDP, consistent with desktop use. The sockets also differ: the Core 3 305 uses Intel BGA 1516, while the i7-14701E uses Intel Socket 1700.

Memory support separates the two clearly. The Core 3 305 supports DDR5 and LPDDR5X with a single-channel memory bus and 59.7 GB/s bandwidth. The i7-14701E supports DDR4 and DDR5 with a dual-channel bus; no bandwidth figure is recorded. ECC memory is available on the i7-14701E but not on the Core 3 305.

PCIe capabilities differ as well. The Core 3 305 provides Gen 4 with 6 CPU lanes. The i7-14701E provides Gen 5 with 16 CPU lanes. Integrated graphics also differ: the Core 3 305 uses Intel Xe3 Graphics with 1 Xe core, while the i7-14701E uses UHD Graphics 770.

The i7-14701E has a larger cache hierarchy. Its L3 cache is 33 MB shared, compared to 6 MB shared on the Core 3 305. L2 cache is 2 MB per core on the i7-14701E versus 2.5 MB total on the Core 3 305. L1 cache is 80 KB per core versus 192 KB total. The i7-14701E has a recorded die size of 257 mm², while no die size is recorded for the Core 3 305.

The process nodes also differ: the Core 3 305 uses 3 nm, while the i7-14701E uses 10 nm. Both are manufactured by Intel. The release dates are June 2024 for the i7-14701E and April 2026 for the Core 3 305. The Core 3 305 has a launch MSRP of $309. Both CPUs have locked multipliers.

Architecture Differences

The Core 3 305 uses the Wildcat Lake architecture on a 3 nm process node. This is a newer, more efficient design that enables the 15 W TDP. It has 6 cores and 6 threads, meaning no hyper-threading. The cache configuration is modest: 192 KB L1, 2.5 MB L2, and 6 MB shared L3.

The i7-14701E uses the Raptor Lake-R architecture, part of the Core 14th Gen series, on a 10 nm process. It has 8 cores and 16 threads, indicating hyper-threading support. The cache layout is more generous: 80 KB L1 per core, 2 MB L2 per core, and 33 MB shared L3. The die size is 257 mm².

The architecture choices reflect different priorities. The Wildcat Lake design on the Core 3 305 emphasizes power efficiency for mobile use, with a single-channel memory bus and integrated Xe3 graphics. The Raptor Lake-R design on the i7-14701E emphasizes desktop throughput, with dual-channel memory, 16 PCIe Gen 5 lanes, and UHD Graphics 770.

The i7-14701E also supports ECC memory, a feature absent from the Core 3 305. This makes the i7-14701E suitable for workstation or server-adjacent builds where data integrity matters. The Core 3 305 lacks this capability but supports LPDDR5X, which is common in mobile platforms.

The generation labels confirm the split: Core 3 (Wildcat Lake) versus Core i7 (Raptor Lake Refresh). The i7-14701E's larger L3 cache, 33 MB versus 6 MB, provides a significant advantage in data-heavy workloads, which the benchmark scores reflect. The Core 3 305's smaller cache and single-channel memory limit its bandwidth, while the i7-14701E's dual-channel memory and larger caches enable higher sustained throughput.

Where Each One Wins

The i7-14701E wins all 17 recorded benchmarks, so the question is not where it wins but by how much. Its largest margins are in integer-heavy and physics-based workloads. PassMark integer math shows a 60.3% lead, PassMark physics shows a 48.6% lead, and PassMark data compression shows a 48.1% lead. These results indicate strong performance for compression, encryption, and mathematical computation.

The i7-14701E also dominates rendering workloads. All Cinebench multi-core tests show approximately 40.9% leads, consistent with its 16 threads versus 6 threads. This makes it the better choice for video encoding, 3D rendering, and any workload that scales with thread count. The 33 MB L3 cache and dual-channel memory support this advantage.

The Core 3 305 shows its best relative performance in single-threaded PassMark testing, where the i7-14701E leads by only 7.6%. This suggests the 3 nm Wildcat Lake architecture delivers competitive single-core efficiency despite lower clock speeds. For mobile users running light productivity tasks or web browsing, the Core 3 305 provides adequate performance with a 15 W TDP.

The i7-14701E is the clear choice for desktop users who need maximum compute throughput. Its 83rd percentile ranking and average score of 33206 place it alongside the AMD Ryzen 9 PRO 6950H and Intel Core i7-13650HX. The Core 3 305, at the 72nd percentile with an average score of 18302, sits near the Intel Core i3-14100 and Core 5 330.

The Core 3 305's niche is efficiency and mobility. Its 3 nm process, single-channel LPDDR5X support, and BGA socket target thin-and-light laptops. The i7-14701E's 65 W TDP, Socket 1700, and ECC support target desktop workstations. No benchmark suggests the Core 3 305 can compete with the i7-14701E in raw performance, but the data also shows it was never designed to.