CPU Comparison

FAQ

Q: How do the two processors compare in overall average benchmark score?

A: The Intel Core 5 315 averages 18,188 across its benchmark suite, while the Intel Core i7-1365U averages 18,177. The delta is 0.1% in favor of the Core 5 315, making them statistically equivalent overall performers. Both sit at the 72nd percentile among all CPUs.

Q: Which processor wins the majority of head-to-head benchmark comparisons?

A: The Intel Core 5 315 wins 12 of the 17 head-to-head tests, while the Intel Core i7-1365U wins only 5. This is a decisive margin in overall workload coverage, even though the average scores are nearly identical.

Q: What is the most significant single-benchmark victory for either processor?

A: The Core 5 315 wins PassMark's find prime numbers test by 93.1% (112 vs 58), and the extended instructions test by 57.9% (13,143 vs 8,321). The i7-1365U's largest win is in PassMark integer math, where it leads by 37.7% (50,881 vs 31,690).

Q: How do the multi-core Cinebench results compare across versions?

A: The results are inconsistent. In Cinebench R15, the i7-1365U wins by 10.8% (1,466.5 vs 1,308). In R20, the Core 5 315 wins by 11.7% (5,452 vs 4,882). In R23, the Core 5 315 wins decisively by 45.1% (12,981 vs 8,946).

Q: Which processor has the higher boost clock and what does that suggest?

A: The Intel Core i7-1365U has a boost clock of 5.20 GHz, while the Core 5 315 boosts to 4.40 GHz. This 0.8 GHz advantage explains the i7's win in Cinebench R23 single-core (1,887 vs 1,832, a 2.9% lead), though the Core 5 315 still wins PassMark single-thread by 17.9% (4,021 vs 3,411).

Q: What are the launch MSRPs of each processor?

A: The Intel Core 5 315 has a launch MSRP of $340, while the Intel Core i7-1365U has a launch MSRP of $426.

Architecture Differences

The two processors come from different Intel design generations. The Intel Core 5 315 uses the Wildcat Lake codename and is built on a 3 nm process node. The Intel Core i7-1365U uses the Raptor Lake architecture with the Raptor Lake-U codename and is built on a 10 nm process node. Both are manufactured by Intel.

Core configuration differs substantially. The Core 5 315 has 6 cores and 6 threads, meaning no hyper-threading. The i7-1365U has 10 cores and 12 threads, offering 2 additional physical cores and 6 additional threads. This gives the i7 a 66.7% core count advantage and a 100% thread count advantage.

Cache hierarchies are structured differently. The Core 5 315 has 192 KB of L1 cache, 2.5 MB of L2 cache, and 6 MB of shared L3 cache. The i7-1365U lists 80 KB of L1 cache per core, 1.25 MB of L2 cache per core, and 12 MB of shared L3 cache. The i7's L3 cache is exactly double the size of the Core 5 315's.

Memory support also diverges. The Core 5 315 supports DDR5 and LPDDR5X memory over a single-channel bus with 59.7 GB/s bandwidth. The i7-1365U supports DDR4 and DDR5 over a dual-channel bus, with no bandwidth figure listed. PCIe connectivity differs as well: the Core 5 315 has 6 CPU lanes of Gen 4, while the i7-1365U has 8 CPU lanes of Gen 4.

Integrated graphics are from different generations. The Core 5 315 features Intel Xe3 Graphics with 2 Xe cores. The i7-1365U features Iris Xe Graphics with 96 execution units. Both are mobile-market parts with a 15 W TDP and are currently active in production. The Core 5 315 was released on 2026-04-15, while the i7-1365U was released on 2023-01-03.

Head-to-Head Benchmarks

The benchmark results tell a story of two processors that trade blows depending on the workload type. The Core 5 315 dominates in most computational tests, but the i7-1365U shows strength in specific integer and legacy workloads.

Starting with Cinebench results, the picture is mixed. In Cinebench R15 multi-core, the i7-1365U wins with 1,466.5 points versus 1,308, a 10.8% margin. The R15 single-core test sees an even larger i7 advantage: 265.5 versus 184, a 30.7% lead. However, the newer Cinebench versions flip the script. In R20 multi-core, the Core 5 315 scores 5,452 against 4,882, an 11.7% win. In R20 single-core, it wins 769 versus 689, an 11.6% margin. The R23 multi-core test is the largest single victory for the Core 5 315: 12,981 versus 8,946, a 45.1% difference. R23 single-core narrows to a 2.9% i7 win (1,887 vs 1,832).

PassMark results show a clear split. The Core 5 315 wins data encryption by 16.7% (11,119 vs 9,531), extended instructions by 57.9% (13,143 vs 8,321), find prime numbers by 93.1% (112 vs 58), floating point math by 26% (42,441 vs 33,689), multithread by 8.7% (15,272 vs 14,045), physics by 20.4% (1,163 vs 966), random string sorting by 3.4% (17,551 vs 16,977), and single-thread by 17.9% (4,021 vs 3,411 in both listed forms).

The i7-1365U wins data compression by a narrow 2.3% (149,585 vs 146,143) and integer math by a substantial 37.7% (50,881 vs 31,690). The integer math result is notable because it represents the i7's largest margin of victory anywhere in the benchmark suite, despite the Core 5 315 winning the overall multithread test.

The data suggests the Core 5 315's newer architecture delivers better performance per clock in most modern workloads, while the i7-1365U's higher thread count and boost clock help in integer-heavy and legacy single-core tasks.

Specification Differences

Cores: 6 (Core 5 315) vs 10 (i7-1365U)

Threads: 6 vs 12

Base Clock: 1.50 GHz vs 1800.00 MHz

Boost Clock: 4.40 GHz vs 5.20 GHz

Socket: Intel BGA 1516 vs Intel BGA 1744

Codename: Wildcat Lake vs Raptor Lake-U

Architecture: Not listed vs Raptor Lake

Process Node: 3 nm vs 10 nm

L1 Cache: 192 KB vs 80 KB (per core)

L2 Cache: 2.5 MB vs 1.25 MB (per core)

L3 Cache: 6 MB (shared) vs 12 MB (shared)

Memory Support: DDR5, LPDDR5X vs DDR4, DDR5

Memory Bus: Single-channel vs Dual-channel

Memory Bandwidth: 59.7 GB/s vs not listed

PCIe: Gen 4, 6 Lanes vs Gen 4, 8 Lanes

Integrated Graphics: Intel Xe3 Graphics (2 Xe) vs Iris Xe Graphics 96EU

Release Date: 2026-04-15 vs 2023-01-03

Launch MSRP: $340 vs $426

Part Number: SAEFC vs SRMM0

Both processors share a 15 W TDP, Intel as manufacturer, mobile market segment, active production status, no ECC memory support, and locked multipliers.

The Verdict

The benchmark data indicates that the Intel Core 5 315 is the stronger overall performer despite having fewer cores and threads. It wins 12 of 17 head-to-head tests and demonstrates particularly large margins in modern multi-core workloads. The 45.1% lead in Cinebench R23 multi-core is the standout result, showing that the newer 3 nm Wildcat Lake architecture delivers significantly better multi-threaded performance per core than the older 10 nm Raptor Lake design.

The i7-1365U is not without merit. Its 30.7% win in Cinebench R15 single-core and 37.7% win in PassMark integer math show that the higher boost clock and additional threads provide advantages in specific scenarios. The data compression result (149,585 vs 146,143) also slightly favors the i7.

However, the overall pattern is clear. The Core 5 315 wins the tests that matter for modern productivity: R20 and R23 multi-core, floating point math, encryption, physics, and single-thread PassMark. The i7-1365U's wins are concentrated in legacy benchmarks and integer-heavy workloads.

The average benchmark scores are nearly identical (18,188 vs 18,177, a 0.1% difference), placing both at the 72nd percentile. The choice between them depends on workload priorities. The Core 5 315 offers better modern multi-core performance and a lower launch MSRP of $340. The i7-1365U offers a higher boost clock, more cores and threads, and a larger L3 cache, but at a launch MSRP of $426.

Where Each One Wins

Intel Core 5 315:

• Modern multi-core rendering: Cinebench R20 multi-core (11.7% lead), R23 multi-core (45.1% lead)
• Floating point workloads: PassMark floating point math (26% lead)
• Encryption: PassMark data encryption (16.7% lead)
• Extended instruction sets: PassMark extended instructions (57.9% lead)
• Prime number calculation: PassMark find prime numbers (93.1% lead)
• Physics simulation: PassMark physics (20.4% lead)
• General single-thread performance: PassMark single-thread (17.9% lead)
• Overall multithread: PassMark multithread (8.7% lead)
• String sorting: PassMark random string sorting (3.4% lead)

Intel Core i7-1365U:

• Legacy multi-core: Cinebench R15 multi-core (10.8% lead)
• Legacy single-core: Cinebench R15 single-core (30.7% lead)
• Latest Cinebench single-core: R23 single-core (2.9% lead)
• Integer math: PassMark integer math (37.7% lead)
• Data compression: PassMark data compression (2.3% lead)

The practical interpretation is that the Core 5 315 suits users running modern rendering, scientific computing, and encryption-heavy workloads. The i7-1365U is better for integer arithmetic, compression tasks, and applications that still rely on older Cinebench R15-style single-thread performance. Given that the Core 5 315 wins the newer Cinebench versions and the majority of PassMark tests, it represents the more future-proof choice based on the available data.