Intel Core 3 100HL vs Intel Core 7 251E Comparison

FAQ

Q: How do the two processors compare in core and thread counts?

A: The Intel Core 3 100HL has 8 cores and 12 threads, while the Intel Core 7 251E has 24 cores and 32 threads. The Core 7 251E offers triple the core count and nearly triple the thread count.

Q: What are the boost clock differences between the two?

A: The Intel Core 3 100HL boosts up to 4.60 GHz, while the Intel Core 7 251E boosts up to 5.60 GHz. The Core 7 251E has a 1.00 GHz higher maximum boost frequency.

Q: Which processor supports ECC memory?

A: The Intel Core 7 251E supports ECC memory, while the Intel Core 3 100HL does not. This makes the Core 7 251E more suitable for workstation or server-like reliability scenarios.

Q: How much L3 cache does each processor have?

A: The Intel Core 3 100HL has 12 MB of shared L3 cache, while the Intel Core 7 251E has 36 MB of shared L3 cache. The Core 7 251E provides three times the L3 cache capacity.

Q: What is the difference in PCIe support?

A: The Intel Core 3 100HL supports PCIe Gen 4 with 8 lanes (CPU only), while the Intel Core 7 251E supports PCIe Gen 5 with 16 lanes (CPU only). The Core 7 251E offers a newer generation and double the lane count.

Q: Which processor has a higher percentile ranking among all CPUs?

A: The Intel Core 3 100HL ranks in the 76th percentile, while the Intel Core 7 251E ranks in the 50th percentile. Despite having fewer cores, the Core 3 100HL sits higher in the overall performance distribution.

Architecture Differences

The two processors share the same 10 nm process node and Intel foundry, but their internal designs diverge significantly. The Intel Core 3 100HL uses the Raptor Lake architecture with the Raptor Lake-PS codename, while the Intel Core 7 251E employs the Bartlett Lake codename with no explicit architecture field recorded. Both use Intel Socket 1700, so motherboard compatibility is not a differentiator.

The core topology is the most pronounced architectural split. The Core 3 100HL fields 8 cores and 12 threads, indicating a hybrid arrangement with some cores lacking Hyper-Threading. The Core 7 251E fields 24 cores and 32 threads, a much denser configuration that likely combines performance and efficiency cores to reach that thread count. The L1 cache is identical at 80 KB per core, and L2 is also the same at 2 MB per core, but the shared L3 cache jumps from 12 MB on the Core 3 100HL to 36 MB on the Core 7 251E. That 24 MB difference in shared cache directly affects how much data can be kept close to the cores during multi-threaded workloads.

Memory support is identical in type (DDR4 and DDR5) and channel count (dual-channel), but the Core 7 251E records a memory bandwidth of 89.6 GB/s, while the Core 3 100HL has no recorded bandwidth figure. The Core 7 251E also supports ECC memory, a feature absent from the Core 3 100HL, which points toward a more reliability-focused design. PCIe capability differs sharply: the Core 3 100HL provides Gen 4 with 8 lanes, while the Core 7 251E provides Gen 5 with 16 lanes. That doubles both the generation and the lane count, giving the Core 7 251E notably higher expansion headroom for discrete GPUs or NVMe storage.

Integrated graphics also differ. The Core 3 100HL uses Iris Xe Graphics 48EU, while the Core 7 251E uses UHD Graphics 770. The die size is recorded only for the Core 7 251E at 257 mm², with no die size listed for the Core 3 100HL. The Core 7 251E has a recorded part number (SRQDUQ657), while the Core 3 100HL lists its part number as unknown. Both processors are locked (multiplier not unlocked), both are classified as Desktop market segment, and both are Active in production status.

The Verdict

The data points to a clear split by workload type. The Intel Core 7 251E has the structural advantage: 24 cores versus 8, 32 threads versus 12, 36 MB L3 versus 12 MB, a 5.60 GHz boost versus 4.60 GHz, PCIe Gen 5 with 16 lanes versus Gen 4 with 8 lanes, ECC support, and a recorded memory bandwidth of 89.6 GB/s. For heavy parallel processing, large cache-dependent workloads, or scenarios requiring ECC memory, the Core 7 251E is the obvious choice from the specification sheet alone.

The Intel Core 3 100HL, however, has the measured performance advantage. Its average benchmark score is 23545, while the Core 7 251E has no recorded benchmark scores and an average score of 0. The Core 3 100HL sits in the 76th percentile of all CPUs, compared to the 50th percentile for the Core 7 251E. Its nearest rivals include the AMD Ryzen 5 PRO 8540U (23709 average score, 0.7% behind), Intel Core i5-11500 (23718, 0.7% behind), Intel Core Ultra 7 266V (23297, 1.1% ahead), and AMD Ryzen 7 5800H (23277, 1.2% ahead). The Core 3 100HL is competitive with those parts, despite its lower core count.

The verdict depends on whether the user trusts measured results or structural specifications. The recorded data shows the Core 3 100HL has proven benchmark performance across many tests, while the Core 7 251E has no benchmark entries in the database, making its real-world performance unverified. For a buyer who needs a processor with immediate, documented performance, the Core 3 100HL is the safer choice. For a buyer who needs maximum cores, cache, PCIe lanes, and ECC support, the Core 7 251E offers capabilities the Core 3 100HL simply cannot match.

Specification Differences

The two processors share the same socket (Intel Socket 1700), process node (10 nm), foundry (Intel), base clock (2.10 GHz), memory type support (DDR4, DDR5), memory bus (dual-channel), L1 cache (80 KB per core), L2 cache (2 MB per core), market segment (Desktop), production status (Active), and multiplier lock state (locked). The differences are as follows:

• Cores: 8 (Core 3 100HL) vs 24 (Core 7 251E)
• Threads: 12 vs 32
• Boost clock: 4.60 GHz vs 5.60 GHz
• TDP: 45 vs 65
• Codename: Raptor Lake-PS vs Bartlett Lake
• Architecture: Raptor Lake vs not recorded
• Die size: not recorded vs 257 mm²
• L3 cache: 12 MB shared vs 36 MB shared
• Memory bandwidth: not recorded vs 89.6 GB/s
• ECC memory: false vs true
• PCIe: Gen 4, 8 lanes vs Gen 5, 16 lanes
• Integrated graphics: Iris Xe Graphics 48EU vs UHD Graphics 770
• Release date: 2024-04-07 vs 2025-01-12
• Launch MSRP: not recorded vs $384
• Part number: unknown vs SRQDUQ657

Head-to-Head Benchmarks

The database contains no direct head-to-head benchmark entries between these two processors. However, the Intel Core 3 100HL has an extensive set of recorded benchmark scores, while the Intel Core 7 251E has none. The comparison therefore relies on the Core 3 100HL's absolute scores and its nearest rival data.

The Core 3 100HL scores 1506 in Cinebench R15 multi-core and 212 in single-core. In Cinebench R20, it records 6278 multi-core and 886 single-core. Cinebench R23 shows 14948 multi-core and 2110 single-core. Passmark results include 202225 in data compression, 11964 in data encryption, 12463 in extended instructions, 48 in find prime numbers, 42108 in floating point math, 56308 in integer math, 17586 in multithread, 928 in physics, 23223 in random string sorting, and 3735 in single-thread (also recorded as 3735 in singlethread). The average benchmark score is 23545.

The nearest rival data gives context. The AMD Ryzen 5 PRO 8540U averages 23709, which is 0.7% higher than the Core 3 100HL. The Intel Core i5-11500 averages 23718, also 0.7% higher. The Intel Core Ultra 7 266V averages 23297, which is 1.1% lower. The AMD Ryzen 7 5800H averages 23277, which is 1.2% lower. These deltas are small, meaning the Core 3 100HL performs within a narrow band of these established desktop and mobile processors.

The Core 7 251E has no benchmark data to compare directly. Its win in this section is structural: 24 cores, 32 threads, 36 MB L3, 5.60 GHz boost, and 89.6 GB/s memory bandwidth all indicate a higher theoretical ceiling for multi-threaded throughput. But without recorded scores, the database cannot confirm whether that ceiling translates into actual benchmark wins.

Where Each One Wins

The Intel Core 3 100HL wins on measured performance evidence. It has 17 recorded benchmark scores spanning Cinebench and Passmark tests, an average score of 23545, and a 76th percentile ranking. Its nearest rivals are all within 1.2% of its average score, showing it delivers competitive performance against a set of well-known processors. The single-thread score of 3735 in Passmark and the Cinebench R23 single-core score of 2110 indicate strong per-core performance, likely aided by the 4.60 GHz boost clock. The Core 3 100HL also wins on power efficiency, with a 45 TDP versus the Core 7 251E's 65 TDP, and on release timing, having launched on 2024-04-07, roughly nine months earlier.

The Intel Core 7 251E wins on raw specification headroom. Its 24 cores and 32 threads provide a 16-core and 20-thread advantage over the Core 3 100HL. The 36 MB L3 cache is triple the 12 MB on the Core 3 100HL, which matters for workloads with large working sets. The 5.60 GHz boost clock is 1.00 GHz higher, and the 89.6 GB/s memory bandwidth is a recorded figure the Core 3 100HL cannot match. The Core 7 251E also supports ECC memory, has PCIe Gen 5 with 16 lanes (versus Gen 4 with 8 lanes), and has a larger die at 257 mm². Its launch MSRP of $384 is recorded, though the Core 3 100HL has no launch MSRP in the database. The Core 7 251E's 50th percentile ranking, while lower than the Core 3 100HL's 76th, reflects the absence of benchmark data rather than a measured performance deficit.

The use-case split is therefore straightforward. For workloads that are already benchmarked and validated, such as the Cinebench and Passmark tests where the Core 3 100HL has concrete scores, the Core 3 100HL is the documented performer. For workloads that demand maximum core counts, cache capacity, memory bandwidth, PCIe expansion, and ECC reliability, the Core 7 251E has the specification advantage. The database does not include direct comparison results, so any head-to-head conclusion must weigh the Core 3 100HL's proven scores against the Core 7 251E's unverified but substantially higher specifications.