Intel Core i3-10305T vs Intel Core i7-1180G7 Comparison

# Head-to-Head Benchmarks

The Intel Core i7-1180G7 wins every single benchmark in this head-to-head comparison, but the margins are remarkably narrow. Across six Cinebench tests, the largest advantage is just 0.5% in Cinebench R20 single-core, where the i7-1180G7 scores 395 against the i3-10305T's 393. This is not a dominant victory; it is a statistical tie spread across every workload category.

In multi-core tests, the i7-1180G7 leads by 0.4% consistently. Cinebench R15 multicore shows 672 versus 669, R20 multicore shows 2802 versus 2791, and R23 multicore shows 6672 versus 6647. The single-core results follow the same pattern: R15 single-core is dead even at 94 points each, R20 single-core favors the i7-1180G7 by 0.5%, and R23 single-core favors it by 0.4% (942 versus 938).

The average benchmark score tells the same story. The i7-1180G7 averages 1930 points, while the i3-10305T averages 1922 points — a 0.4% gap. Both processors sit at the 43rd percentile among all CPUs, meaning they land in the same performance tier. The nearest rivals list confirms this: the i7-1180G7's closest competitor is the AMD Opteron 6348 with an identical 1930 average, and the i3-10305T's nearest rival is the Intel Xeon E3-1231 v3 at 1925, just 0.2% ahead of it.

The i7-1180G7's six-win sweep is technically clean, but the margin of victory never exceeds half a percent. For practical purposes, these two processors deliver interchangeable Cinebench performance, with the i7-1180G7 holding a razor-thin edge in every measured category.

Architecture Differences

The architectural divide between these two CPUs is stark, even though benchmark scores converge. The i7-1180G7 uses Intel's Tiger Lake architecture on a 10 nm process node, while the i3-10305T uses Comet Lake on a 14 nm node. This generational gap explains several downstream differences in features and platform capabilities.

Both chips have 4 cores and 8 threads, but the cache hierarchy differs substantially. The i7-1180G7 allocates 80 KB of L1 cache per core, 1.25 MB of L2 per core, and 12 MB of shared L3 cache. The i3-10305T offers 64 KB of L1 per core, 256 KB of L2 per core, and 8 MB of shared L3. The i7-1180G7's larger L2 cache represents a 5x advantage per core, which helps explain how a 10 nm mobile chip with a 1300 MHz base clock keeps pace with a desktop part clocked at 3000 MHz.

The i7-1180G7 has a 9 W TDP and uses the Intel BGA 1598 socket, targeting the mobile segment. The i3-10305T has a 35 W TDP and uses Intel Socket 1200, targeting desktop builds. The i7-1180G7 boosts to 4.60 GHz, while the i3-10305T boosts to 4.00 GHz. Despite the i3-10305T's much higher base clock, the i7-1180G7's superior boost clock and architectural efficiency close the gap.

Memory support also diverges. The i7-1180G7 uses LPDDR4X with dual-channel memory and 34.1 GB/s bandwidth. The i3-10305T uses DDR4 with dual-channel memory and 42.7 GB/s bandwidth — a 25% bandwidth advantage for the desktop chip. PCIe lanes differ too: the i7-1180G7 provides Gen 4 with 4 lanes (CPU only), while the i3-10305T provides Gen 3 with 16 lanes (CPU only). The i7-1180G7 features Iris Xe-LP Graphics G7 with 96 execution units; the i3-10305T has UHD Graphics 630. Neither supports ECC memory.

FAQ

Q: Which processor is faster in multi-core workloads?

A: The i7-1180G7 wins all three multi-core Cinebench tests, but by just 0.4% each time: R15 multicore 672 versus 669, R20 multicore 2802 versus 2791, and R23 multicore 6672 versus 6647.

Q: How much does the i7-1180G7 lead in single-core performance?

A: The lead is minimal. Cinebench R15 single-core is exactly tied at 94 points. R20 single-core favors the i7-1180G7 by 0.5% (395 versus 393), and R23 single-core favors it by 0.4% (942 versus 938).

Q: Do these CPUs have the same core and thread counts?

A: Yes, both have 4 cores and 8 threads. The difference lies in clock speeds, cache, architecture, and platform — not in core counts.

Q: What are the TDP differences between these two chips?

A: The i7-1180G7 has a 9 W TDP, while the i3-10305T has a 35 W TDP. The i7-1180G7 achieves comparable performance at a fraction of the power envelope.

Q: Which processor has more cache?

A: The i7-1180G7 has more cache at every level: 80 KB versus 64 KB of L1 per core, 1.25 MB versus 256 KB of L2 per core, and 12 MB versus 8 MB of shared L3.

Q: How do their average benchmark scores compare?

A: The i7-1180G7 averages 1930 points, and the i3-10305T averages 1922 points. Both sit at the 43rd percentile among all CPUs, and the i7-1180G7 leads by 0.4% in average score.

Specification Differences

| Specification | Intel Core i7-1180G7 | Intel Core i3-10305T |

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

| Base Clock | 1300.00 MHz | 3000.00 MHz |

| Boost Clock | 4600.00 MHz | 4000.00 MHz |

| TDP | 9 W | 35 W |

| Socket | Intel BGA 1598 | Intel Socket 1200 |

| Architecture | Tiger Lake | Comet Lake |

| Codename | Tiger Lake-U | Comet Lake-R |

| Generation | Core i7 (Willow Cove-U) | Core i3 (Comet Lake) |

| Process Node | 10 nm | 14 nm |

| Die Size | 144 mm² | null |

| L1 Cache | 80 KB (per core) | 64 KB (per core) |

| L2 Cache | 1.25 MB (per core) | 256 KB (per core) |

| L3 Cache | 12 MB (shared) | 8 MB (shared) |

| Memory Support | LPDDR4X | DDR4 |

| Memory Bandwidth | 34.1 GB/s | 42.7 GB/s |

| PCIe | Gen 4, 4 Lanes (CPU only) | Gen 3, 16 Lanes (CPU only) |

| Integrated Graphics | Iris Xe-LP Graphics G7 96EU | UHD Graphics 630 |

| Market Segment | Mobile | Desktop |

| Production Status | End-of-life | Active |

| Release Date | 2021-03-30 | 2021-03-15 |

| Launch MSRP | $426 | $143 |

| Part Number | SRK0D | SRH3M |

The Verdict

The data presents a clear but unusual picture: the i7-1180G7 wins every benchmark, yet the performance gap is negligible. With a 0.4% average score advantage and identical 43rd percentile rankings, neither chip offers a meaningful performance edge over the other in Cinebench workloads. The real differentiators are platform and power characteristics, not raw speed.

The i7-1180G7 is the logical pick for mobile and ultra-low-power systems. Its 9 W TDP is dramatically lower than the i3-10305T's 35 W TDP, making it suitable for thin-and-light laptops where thermal and battery constraints dominate. It also brings a 10 nm process node, a 5x larger L2 cache per core, and PCIe Gen 4 support — albeit with only 4 lanes. The 12 MB of shared L3 cache and 96 EU Iris Xe graphics enhance its feature set further.

The i3-10305T is the desktop-oriented alternative. It offers a 3000 MHz base clock versus 1300 MHz, 16 PCIe Gen 3 lanes for expansion flexibility, and higher memory bandwidth at 42.7 GB/s. Its 8 MB L3 cache, while smaller than the i7-1180G7's 12 MB, is still substantial. The i3-10305T remains an active product, whereas the i7-1180G7 is end-of-life. For users building a desktop PC with the Intel Socket 1200 platform, the i3-10305T is the sensible choice despite its slightly lower benchmark scores.

Where Each One Wins

Intel Core i7-1180G7 wins in: All six Cinebench benchmark comparisons, including multi-core and single-core tests across R15, R20, and R23. It also wins on power efficiency with its 9 W TDP versus 35 W, on process technology with 10 nm versus 14 nm, on cache capacity with 12 MB L3 versus 8 MB, on per-core L2 cache with 1.25 MB versus 256 KB, on PCIe generation with Gen 4 versus Gen 3, and on integrated graphics with 96 EU Iris Xe-LP versus UHD Graphics 630. Mobile systems and ultra-portable devices benefit most from its low power draw and compact BGA 1598 socket design.

Intel Core i3-10305T wins in: Base clock speed at 3000 MHz versus 1300 MHz, memory bandwidth at 42.7 GB/s versus 34.1 GB/s, PCIe lane count with 16 lanes versus 4 lanes, and production status as an active product versus end-of-life. Desktop builds using Intel Socket 1200 benefit from its higher base frequency, greater expansion capability through more PCIe lanes, and faster memory throughput. Its 35 W TDP, while higher, is acceptable for desktop cooling solutions and allows sustained operation at higher base clocks.

The i7-1180G7's benchmark sweep is real but marginal — every win falls between 0.4% and 0.5%, except for the exact tie in R15 single-core. The i3-10305T counters with platform advantages that matter more in desktop environments. Choose the i7-1180G7 for mobile efficiency and minimal performance gains; choose the i3-10305T for desktop versatility and active platform support.