CPU Comparison

Head-to-Head Benchmarks

The data presents a remarkably split picture. In the 17 head-to-head comparisons recorded, the Intel Core 5 320 takes 13 wins, while the Intel Core i5-1334U secures only 4. Yet the nature of those wins tells the real story, this is not a one-sided generational leap, but a fundamental shift in workload character.

The i5-1334U's victories are concentrated in multi-core rendering and integer-heavy tasks. Its most dominant result comes in PassMark integer math, where it scores 50,374 against the Core 5 320's 32,323, a 55.8% advantage. Cinebench R23 multi-core shows a 39.4% lead (8,641 vs 6,197), and Cinebench R15 multi-core follows with a 48.9% margin (1,569 vs 1,054). Data compression is a narrower win: 150,568 vs 148,779, just 1.2% ahead.

The Core 5 320's wins are more widespread and often larger. Its biggest edge is in PassMark find prime numbers, where it scores 110 against the i5-1334U's 39, a 64.5% difference. Extended instructions show a 35.4% lead (13,262 vs 8,563), and physics simulation sees a 40.9% advantage (1,221 vs 722). Floating-point math goes 42,440 vs 34,474, an 18.8% margin. The single-core picture is consistently in its favor: 1,926 vs 1,727 in Cinebench R23 single-core (10.3% ahead), 771 vs 654 in R20 single-core (15.2%), and 276 vs 241 in R15 single-core (12.7%).

Interestingly, the multi-core results are not uniform. The Core 5 320 wins Cinebench R20 multi-core (5,462 vs 4,638, a 15.1% lead) and PassMark multithread (15,450 vs 13,410, 13.2% ahead), yet loses R23 multi-core decisively. This inconsistency points to different scaling behavior under varying thread counts and instruction mixes, the i5-1334U's 10 cores and 12 threads appear to scale better in the R23 workload specifically, while the Core 5 320's 6 cores and 6 threads handle other multi-threaded tests more efficiently.

Data encryption is another Core 5 320 win at 10,984 vs 9,377 (14.6%), and random string sorting shows a modest 6.1% edge (18,038 vs 16,933). The overall average benchmark scores are nearly identical, 18,154 for the i5-1334U and 18,023 for the Core 5 320, with the i5-1334U holding a 0.7% edge per the nearestRivals delta. Both sit at the 72nd percentile among all CPUs.

Architecture Differences

The underlying designs explain the divergent results. The Intel Core i5-1334U is built on Raptor Lake-U, a 10 nm Intel process. It implements a hybrid configuration with 10 cores and 12 threads, combining performance and efficiency cores. Its cache hierarchy is split: 80 KB L1 per core, 1.25 MB L2 per core, and 12 MB shared L3.

The Intel Core 5 320 uses the Wildcat Lake architecture on a 3 nm process. It is a fundamentally different design: 6 cores and 6 threads, meaning no hyper-threading. Its cache layout is also distinct, 192 KB L1 total, 2.5 MB L2 total, and only 6 MB shared L3. Despite having half the cores and half the threads, the Core 5 320's smaller L3 is offset by a more advanced process node and likely a newer microarchitecture.

Memory support diverges sharply. The i5-1334U supports DDR4 and DDR5 over a dual-channel bus. The Core 5 320 supports DDR5 and LPDDR5X, but only on a single-channel bus, with a rated memory bandwidth of 59.7 GB/s. This could explain why the i5-1334U wins integer math, multi-channel memory bandwidth helps feed its higher core count.

Socket compatibility is a non-issue for buyers, but the technical split is notable: the i5-1334U uses Intel BGA 1744, while the Core 5 320 uses Intel BGA 1516. PCIe connectivity differs as well, with the i5-1334U offering Gen 4 with 8 CPU lanes versus the Core 5 320's Gen 4 with 6 lanes.

Integrated graphics take different approaches. The i5-1334U carries Iris Xe Graphics with 80 execution units, while the Core 5 320 uses Intel Xe3 Graphics with 2 Xe cores. Neither is a gaming powerhouse, but the newer Xe3 design in the Core 5 320 likely benefits from architectural improvements.

Both CPUs share the same 15 W TDP, same 4.60 GHz boost clock, and same $340 launch MSRP. The base clocks differ slightly: 1300 MHz for the i5-1334U versus 1500 MHz for the Core 5 320. Neither has an unlocked multiplier, and both are currently Active in production.

FAQ

Q: Which CPU has more cores and threads?

A: The Intel Core i5-1334U has 10 cores and 12 threads. The Intel Core 5 320 has 6 cores and 6 threads. The i5-1334U provides 4 more cores and 6 more threads.

Q: Does the Core 5 320 beat the i5-1334U in single-core performance?

A: Yes, consistently. In Cinebench R23 single-core, the Core 5 320 scores 1,926 versus the i5-1334U's 1,727, a 10.3% advantage. In R20 single-core it leads 771 to 654 (15.2%), and in R15 single-core 276 to 241 (12.7%). PassMark single-thread also favors it: 4,045 vs 3,345, a 17.3% margin.

Q: Which CPU is better for multi-core rendering workloads?

A: The results are mixed. The i5-1334U wins Cinebench R23 multi-core decisively (8,641 vs 6,197, a 39.4% lead) and R15 multi-core (1,569 vs 1,054, 48.9% ahead). However, the Core 5 320 wins Cinebench R20 multi-core (5,462 vs 4,638, 15.1% ahead) and PassMark multithread (15,450 vs 13,410, 13.2% ahead). Workload-specific scaling determines the winner.

Q: What is the overall benchmark position of each CPU?

A: Both sit at the 72nd percentile among all CPUs. The i5-1334U has an average benchmark score of 18,154, while the Core 5 320 averages 18,023. The i5-1334U's nearest rival list includes the AMD Ryzen 3 8300G (18,169, -0.1%), and the Core 5 320's closest competitor is the AMD Ryzen 5 1600 (17,994, +0.2%).

Q: Do both CPUs support the same memory types?

A: No. The i5-1334U supports DDR4 and DDR5 with a dual-channel memory bus. The Core 5 320 supports DDR5 and LPDDR5X but uses a single-channel memory bus, with a rated bandwidth of 59.7 GB/s.

Q: Are these CPUs on the same manufacturing process?

A: No. The i5-1334U uses a 10 nm Intel process, while the Core 5 320 uses a 3 nm Intel process. The Core 5 320 is built on the newer Wildcat Lake architecture, while the i5-1334U uses Raptor Lake.

The Verdict

The benchmark data supports a clear but nuanced recommendation. For users running single-threaded applications, the Intel Core 5 320 is the superior choice. Its single-core wins span every Cinebench version tested and PassMark single-thread, with margins ranging from 10.3% to 17.3%. The extended instructions, floating-point math, physics, and encryption results all favor the Core 5 320, making it the better pick for scientific computing, encryption workloads, and general responsiveness.

For multi-core integer-heavy tasks, the Intel Core i5-1334U holds the advantage. Its 55.8% lead in integer math and 39.4% lead in Cinebench R23 multi-core are substantial. Users running code compilation, data processing, or any workload that scales across many threads will benefit from the i5-1334U's 10 cores and 12 threads. The 48.9% margin in R15 multi-core reinforces this strength.

The average benchmark scores are effectively equivalent, 18,154 vs 18,023, and both CPUs occupy the same 72nd percentile. The choice hinges entirely on workload profile. The Core 5 320 offers better per-thread performance and wins 13 of 17 direct comparisons. The i5-1334U offers more raw thread count and wins the workloads that exploit it. Neither is a universal winner; the data indicates the Core 5 320 is the more broadly capable processor for typical mixed usage, while the i5-1334U serves specific multi-threaded scenarios better.

Specification Differences

| Specification | Intel Core i5-1334U | Intel Core 5 320 |

|---|---|---|

| Cores | 10 | 6 |

| Threads | 12 | 6 |

| Base Clock | 1300 MHz | 1500 MHz |

| Architecture | Raptor Lake | Wildcat Lake |

| Generation | Core i5 (Raptor Lake-U) | Core 5 (Wildcat Lake) |

| Process Node | 10 nm | 3 nm |

| L1 Cache | 80 KB (per core) | 192 KB |

| L2 Cache | 1.25 MB (per core) | 2.5 MB |

| L3 Cache | 12 MB (shared) | 6 MB (shared) |

| Memory Support | DDR4, DDR5 | DDR5, LPDDR5X |

| Memory Bus | Dual-channel | Single-channel |

| Memory Bandwidth | Not specified | 59.7 GB/s |

| PCIe | Gen 4, 8 Lanes (CPU only) | Gen 4, 6 Lanes (CPU only) |

| Integrated Graphics | Iris Xe Graphics 80EU | Intel Xe3 Graphics (2 Xe) |

| Socket | Intel BGA 1744 | Intel BGA 1516 |

| Release Date | 2023-01-03 | 2026-04-15 |

| Part Number | SRML5 | SAE3H |