Intel Core 3 305 vs Intel Core 7 253PTE Comparison

Head-to-Head Benchmarks

The benchmark data records 17 head-to-head comparisons between the Intel Core 3 305 and the Intel Core 7 253PTE. The Core 7 253PTE claims 14 of those wins, while the Core 3 305 takes 3. The margin of victory is not uniform, and the pattern of results tells a clear story about where each processor is strongest.

The most lopsided result in the entire comparison is PassMark integer math. The Core 7 253PTE scores 119552 against 32295 for the Core 3 305, a delta of -73% from the perspective of the smaller chip. That means the Core 7 253PTE delivers more than 3.7 times the integer throughput. This is the single largest gap in any test and reflects the substantial difference in core count and thread count between the two parts.

PassMark data compression also shows a major gap. The Core 7 253PTE scores 275828, while the Core 3 305 scores 146857, a delta of -46.8%. Data encryption is closer but still favors the Core 7 253PTE: 15500 versus 11019, a delta of -28.9%. Extended instructions show a smaller margin, with the Core 7 253PTE at 17099 and the Core 3 305 at 13543, a delta of -20.8%.

Cinebench results are consistent across every version. In Cinebench R15 multicore, the Core 7 253PTE scores 2144 versus 1322, a delta of -38.3%. Single-core R15 shows the same pattern: 302 versus 186, a delta of -38.4%. R20 multicore gives 8935 versus 5511 (-38.3%), and R20 single-core gives 1261 versus 777 (-38.4%). R23 multicore shows 21276 versus 13123 (-38.3%), while R23 single-core shows 3003 versus 1852 (-38.3%). The consistency of these percentages across all Cinebench versions indicates a stable performance ratio between the two processors.

PassMark multithread follows the same trend: 25031 versus 15439, a delta of -38.3%. Floating point math shows 67209 versus 42284 (-37.1%), and random string sorting shows 28227 versus 17623 (-37.6%). Physics is the closest loss for the Core 3 305, with 1233 versus 1318, a delta of only -6.4%.

The Core 3 305 wins are concentrated in two specific areas. In PassMark single-thread, it scores 3977 against 3794 for the Core 7 253PTE, a delta of 4.8%. The same scores appear under the duplicate singlethread test name, confirming the result. The other win is PassMark find prime numbers, where the Core 3 305 scores 115 against 82, a delta of 40.2%. That is a substantial victory and suggests the smaller processor has an advantage in a specific prime-number workload.

The average benchmark score tells the overall story. The Core 3 305 has an average score of 18302, while the Core 7 253PTE has an average of 34962. The Core 3 305 sits at the 72nd percentile against all CPUs in the database, while the Core 7 253PTE sits at the 84th percentile.

Where Each One Wins

The Core 7 253PTE dominates multi-threaded and throughput-oriented workloads. Its 10 cores and 20 threads give it a decisive edge in Cinebench multicore tests, where it holds a roughly 38% lead across R15, R20, and R23. PassMark multithread confirms the same margin. Integer math is the standout: the Core 7 253PTE is 73% ahead, which makes it the clear choice for workloads that rely heavily on integer operations. Data compression also favors the Core 7 253PTE by 46.8%, and floating point math by 37.1%. Encryption, extended instructions, and random string sorting all go to the Core 7 253PTE as well, with margins between 20.8% and 37.6%.

The Core 3 305 wins in single-thread performance as measured by PassMark, with a 4.8% advantage. That makes it the better option for lightly threaded tasks where a single core is the bottleneck. Its win in find prime numbers is more pronounced: 40.2% ahead. This is an unusual result given the Core 7 253PTE's superior single-core Cinebench scores, but the PassMark prime-number test clearly favors the Core 3 305.

The physics test is the closest overall result. The Core 7 253PTE wins with 1318 against 1233, a margin of just 6.4%. This is the narrowest win for the larger processor and suggests that physics workloads are nearly a wash between the two.

Architecture Differences

The two processors come from different Intel product lines and use fundamentally different designs. The Core 3 305 is built on Wildcat Lake architecture and uses a 3 nm process node. The Core 7 253PTE uses Bartlett Lake architecture and a 10 nm process node. Both are manufactured by Intel.

Core counts differ sharply. The Core 3 305 has 6 cores and 6 threads, while the Core 7 253PTE has 10 cores and 20 threads. The Core 7 253PTE supports simultaneous multi-threading, which doubles its thread count relative to its core count. The Core 3 305 does not, so its thread count equals its core count.

Cache hierarchies are structured differently. The Core 3 305 has 192 KB of L1 cache, 2.5 MB of L2 cache, and 6 MB of shared L3 cache. The Core 7 253PTE lists L1 as 80 KB per core and L2 as 2 MB per core, with 33 MB of shared L3 cache. The larger L3 cache on the Core 7 253PTE is a significant advantage for workloads that benefit from large shared pools of fast memory.

Memory support diverges as well. The Core 3 305 supports DDR5 and LPDDR5X memory, while the Core 7 253PTE supports DDR4 and DDR5. The Core 3 305 uses a single-channel memory bus with 59.7 GB/s of bandwidth. The Core 7 253PTE uses a dual-channel bus with 89.6 GB/s. The Core 7 253PTE also supports ECC memory, while the Core 3 305 does not.

PCIe capabilities differ. The Core 3 305 provides Gen 4 with 6 lanes (CPU only). The Core 7 253PTE provides Gen 5 with 16 lanes (CPU only). Integrated graphics also differ: the Core 3 305 uses Intel Xe3 Graphics with 1 Xe core, while the Core 7 253PTE uses UHD Graphics 730.

Specification Differences

The two processors differ in nearly every major specification field. The Core 3 305 has a base clock of 1.50 GHz and a boost clock of 4.30 GHz. The Core 7 253PTE has a base clock of 1.80 GHz and a boost clock of 5.40 GHz. The Core 7 253PTE is faster in both metrics.

Thermal design power differs substantially. The Core 3 305 has a TDP of 15 watts, while the Core 7 253PTE has a TDP of 45 watts. This reflects the different market segments and power envelopes of the two parts.

Sockets are incompatible. The Core 3 305 uses Intel BGA 1516, while the Core 7 253PTE uses Intel Socket 1700. The Core 3 305 is a mobile processor, while the Core 7 253PTE is a desktop processor.

Release dates differ by about a month. The Core 7 253PTE was released on 2026-03-08, and the Core 3 305 was released on 2026-04-15. Both parts are currently listed as active in production. The Core 3 305 has a launch MSRP of $309, and the Core 7 253PTE has a launch MSRP of $384.

The Core 3 305 has part number SAE3L, and the Core 7 253PTE has part number SA4QK. Neither processor has an unlocked multiplier. The Core 3 305 supports single-channel memory, while the Core 7 253PTE supports dual-channel memory. The Core 3 305's memory bandwidth is 59.7 GB/s, while the Core 7 253PTE's is 89.6 GB/s.

FAQ

Q: Which processor has more cores and threads?

A: The Intel Core 7 253PTE has 10 cores and 20 threads. The Intel Core 3 305 has 6 cores and 6 threads.

Q: Which processor wins in single-thread performance?

A: The Intel Core 3 305 wins in PassMark single-thread with a score of 3977 versus 3794 for the Intel Core 7 253PTE, a 4.8% advantage. However, the Core 7 253PTE wins in Cinebench R23 single-core with 3003 versus 1852.

Q: What is the largest performance gap between the two processors?

A: The largest gap is in PassMark integer math, where the Intel Core 7 253PTE scores 119552 against 32295 for the Intel Core 3 305, a delta of -73%.

Q: Do both processors support the same memory types?

A: Both support DDR5, but the Intel Core 3 305 also supports LPDDR5X, while the Intel Core 7 253PTE also supports DDR4. The Core 7 253PTE supports ECC memory, while the Core 3 305 does not.

Q: How do the average benchmark scores compare?

A: The Intel Core 7 253PTE has an average benchmark score of 34962, while the Intel Core 3 305 has an average of 18302. The Core 7 253PTE sits at the 84th percentile against all CPUs, and the Core 3 305 sits at the 72nd percentile.

Q: Which processor has the higher boost clock?

A: The Intel Core 7 253PTE has a boost clock of 5.40 GHz, while the Intel Core 3 305 has a boost clock of 4.30 GHz.