Intel Core i5-10300H vs Intel Core i5-1135G7 Comparison

The Intel Core i5-10300H and Intel Core i5-1135G7 are both quad-core mobile processors, but they target different performance envelopes. The 10300H is a 45 W part from the Comet Lake-H generation, while the 1135G7 is a 15 W Tiger Lake-U processor. Despite the 1135G7’s lower TDP and newer node, the benchmark data reveals a complex picture: the 10300H wins in several multi-threaded and memory-intensive tests, while the 1135G7 dominates in most single-threaded and compute-heavy workloads. This analysis compares their architectures, specifications, and head-to-head results to clarify which chip suits which workload.

FAQ

Q: Which processor has a higher average benchmark score?

A: The Intel Core i5-10300H has a higher average benchmark score of 9243, compared to the 9053 of the Intel Core i5-1135G7. Both chips sit at the 65th percentile among all CPUs, but the 10300H edges ahead by roughly 2.1% in overall average.

Q: How does the 1135G7’s single-core performance compare to the 10300H?

A: The 1135G7 wins every single-thread test. In 3dmark_single_thread, it scores 801 versus 705 (a 12% deficit for the 10300H). The gap is similar in Cinebench R23 single-core (1116 vs 981, a 12.1% deficit) and Geekbench single-core (1417 vs 1321, a 6.8% deficit).

Q: Where does the 10300H show its strength?

A: The 10300H wins 8 of the 25 head-to-head tests, including all 3DMark multi-threaded tests and several memory-bandwidth-heavy PassMark tests. For example, it leads by 19.5% in 3dmark_8_threads (2957 vs 2475) and by 18.5% in PassMark random string sorting (14956 vs 12625).

Q: Which CPU has a larger L3 cache?

A: The Intel Core i5-1135G7 has 8 MB of shared L3 cache, while the Intel Core i5-10300H has 6 MB. The 1135G7 also benefits from a larger L2 cache at 1.25 MB per core, versus 256 KB per core on the 10300H.

Q: What is the TDP difference between the two processors?

A: The Intel Core i5-10300H has a TDP of 45 W, while the Intel Core i5-1135G7 has a TDP of 15 W. This makes the 1135G7 significantly more power-efficient on paper, despite its competitive performance.

Q: Do both processors support PCIe Gen 4?

A: No. The Intel Core i5-1135G7 supports PCIe Gen 4 with 4 lanes (CPU only), while the Intel Core i5-10300H supports PCIe Gen 3. The 1135G7 also supports LPDDR4X memory, which the 10300H does not.

Architecture Differences

The two processors come from different Intel microarchitectures and process nodes. The Intel Core i5-10300H is built on the Comet Lake architecture using Intel’s 14 nm process, while the Intel Core i5-1135G7 uses the Tiger Lake architecture on a 10 nm node. This node advantage gives the 1135G7 a smaller die size of 144 mm², though the 10300H’s die size is not listed. Both share the same core and thread count (4 cores, 8 threads), but the cache hierarchy differs substantially.

The 1135G7 has 80 KB of L1 cache per core, compared to 64 KB per core on the 10300H. Its L2 cache is 1.25 MB per core, a massive jump from the 256 KB per core on the 10300H. L3 cache also favors the 1135G7 at 8 MB shared, versus 6 MB shared on the 10300H. These larger caches likely contribute to the 1135G7’s superior single-threaded performance.

The integrated graphics differ as well. The 10300H pairs with UHD Graphics, while the 1135G7 features Iris Xe Graphics G7 80EU. This is a notable feature difference, as the Iris Xe part is a more capable iGPU, though no benchmark scores for graphics are provided in the data.

Memory support also splits the two. The 10300H supports DDR3 and DDR4 with a dual-channel bus and a memory bandwidth of 46.9 GB/s. The 1135G7 supports DDR4 and LPDDR4X, also dual-channel, but no bandwidth figure is listed. The 1135G7’s PCIe Gen 4 support (4 lanes, CPU only) is a generation ahead of the 10300H’s PCIe Gen 3. Both processors are locked (multiplierUnlocked: false) and lack ECC memory support.

The Verdict

The benchmark data indicates a clear split: the Intel Core i5-1135G7 is the better choice for single-threaded and general compute tasks, while the Intel Core i5-10300H holds advantages in specific multi-threaded and memory-intensive workloads. The 1135G7 wins 17 of the 25 head-to-head tests, including all Cinebench R15/R20/R23 multi- and single-core tests, PassMark integer math (31814 vs 27046, a 15% win), and PassMark floating-point math (19221 vs 17076, an 11.2% win). Its passmark_multithread score of 9512 is 13.1% higher than the 10300H’s 8262.

However, the 10300H is not obsolete. It wins all 3DMark multi-threaded tests, with the largest margin being 19.5% in 3dmark_8_threads. It also dominates in random string sorting (18.5% ahead) and data compression (13.5% ahead). These wins suggest better sustained performance in specific parallel or memory-throughput patterns, likely tied to its higher 45 W TDP versus the 1135G7’s 15 W.

For users prioritizing single-core responsiveness, office workloads, or the newer Iris Xe graphics, the 1135G7 is the data-backed pick. For those needing raw multi-threaded throughput in select 3DMark or compression scenarios, the 10300H holds merit. The 10300H’s average benchmark score is slightly higher (9243 vs 9053), but that aggregate hides the 1135G7’s dominance in most individual tests. Neither chip is a clear winner; the choice depends on workload mix.

Specification Differences

The following fields differ between the two processors:

• Base Clock: 2.50 GHz (10300H) vs 1500.00 MHz (1135G7)
• Boost Clock: 4.50 GHz (10300H) vs 4.20 GHz (1135G7)
• TDP: 45 W (10300H) vs 15 W (1135G7)
• Socket: Intel BGA 1440 (10300H) vs Intel BGA 1449 (1135G7)
• Architecture: Comet Lake (10300H) vs Tiger Lake (1135G7)
• Codename: Comet Lake-H (10300H) vs Tiger Lake-U (1135G7)
• Generation: Core i5 (Comet Lake-H) vs Core i5 (Willow Cove-U)
• Process Node: 14 nm (10300H) vs 10 nm (1135G7)
• Die Size: Not listed (10300H) vs 144 mm² (1135G7)
• L1 Cache: 64 KB per core (10300H) vs 80 KB per core (1135G7)
• L2 Cache: 256 KB per core (10300H) vs 1.25 MB per core (1135G7)
• L3 Cache: 6 MB shared (10300H) vs 8 MB shared (1135G7)
• Memory Support: DDR3, DDR4 (10300H) vs DDR4, LPDDR4X (1135G7)
• Memory Bandwidth: 46.9 GB/s (10300H) vs not listed (1135G7)
• PCIe: Gen 3 (10300H) vs Gen 4, 4 Lanes (CPU only) (1135G7)
• Integrated Graphics: UHD Graphics (10300H) vs Iris Xe Graphics G7 80EU (1135G7)
• Production Status: Active (10300H) vs End-of-life (1135G7)
• Release Date: 2020-09-16 (10300H) vs 2020-09-01 (1135G7)
• Launch MSRP: Not listed (10300H) vs $309 (1135G7)
• Part Number: SRH84 (10300H) vs SRK05 (1135G7)

The 10300H has a higher base and boost clock, while the 1135G7 counters with a smaller process, larger caches, and more modern memory/PCIe support. The 1135G7’s launch MSRP is $309, stated once here.

Head-to-Head Benchmarks

The head-to-head data shows a lopsided overall win count (17 for the 1135G7, 8 for the 10300H), but the margins tell a nuanced story. The 10300H’s biggest wins come in multi-threaded 3DMark tests. In 3dmark_8_threads, it scores 2957 against 2475, a 19.5% lead. The 16-thread test shows a 14.3% lead (2965 vs 2595), and the 4-thread test shows a 10.4% lead (2202 vs 1995). The max-thread test adds a 9.1% win (2961 vs 2713). These results suggest the 10300H scales better with thread count in this specific benchmark suite.

The 10300H also wins in memory-oriented PassMark tests. Random string sorting shows an 18.5% lead (14956 vs 12625), and data compression shows a 13.5% lead (117306 vs 103380). The extended instructions test is nearly tied, with the 10300H ahead by just 0.6% (7449 vs 7406). Geekbench multicore also favors the 10300H, albeit narrowly, at 3.4% (4080 vs 3944).

The 1135G7’s wins are more numerous and often larger. The most dramatic is PassMark data encryption, where it scores 5465 versus 2770 — a 49.3% advantage. PassMark find prime numbers shows a 20.6% win (34 vs 27). In integer math, the 1135G7 leads by 15% (31814 vs 27046), and in floating-point math by 11.2% (19221 vs 17076). Multithread performance in PassMark shows a 13.1% lead (9512 vs 8262), and physics tests show a 10.9% lead (577 vs 514).

The 1135G7 sweeps the Cinebench series. In R15 multicore, it wins by 12.2% (797 vs 700); in R20 multicore by 12.1% (3321 vs 2919); and in R23 multicore by 12.1% (7909 vs 6950). Single-core tests show similar margins: R15 single-core is 12.5% ahead (112 vs 98), R20 single-core is 12% ahead (468 vs 412), and R23 single-core is 12.1% ahead (1116 vs 981). The 3dmark_single_thread test shows a 12% lead (801 vs 705), and the 3dmark_2_threads test is nearly even, with the 1135G7 ahead by 0.8% (1348 vs 1337). Geekbench single-core is a 6.8% win for the 1135G7 (1417 vs 1321), and PassMark single-thread is a 3.9% win (2640 vs 2537).

In sum, the 1135G7’s architecture delivers superior per-core efficiency and compute throughput, while the 10300H’s higher TDP and older node allow it to win in specific multi-threaded 3DMark and memory-heavy PassMark scenarios. The data does not support a single universal winner; it supports a workload-dependent choice.