Intel Core i5-2300 vs Intel Processor N100 Comparison

Intel Core i5-2300 vs Intel Processor N100

The Intel Core i5-2300 and Intel Processor N100 represent two distinct eras of Intel silicon, separated by over a decade of architectural evolution. The benchmark data reveals a nuanced picture: the aging Sandy Bridge desktop part retains a lead in one demanding multi-threaded workload, while the modern Gracemont-based mobile chip dominates single-thread performance and efficiency metrics. With the i5-2300 scoring an average benchmark of 1014 against the N100's 1007, the overall performance delta sits at a razor-thin 0.7% difference, placing both processors within the 27th-28th percentile of all CPUs tracked.

Head-to-Head Benchmarks

The most dramatic divergence appears in Cinebench R23 single-core testing, where the Intel Processor N100 posts a score of 910.5 against the i5-2300's 416. This represents a 54.3% advantage for the N100, a margin that reflects the fundamental IPC improvements achieved over the twelve years separating these designs. The N100's Gracemont cores deliver more than double the single-threaded throughput of the Sandy Bridge architecture, which is particularly striking given that the N100 operates as a low-power mobile part.

Multi-threaded results tell a more complex story. In Cinebench R15 multi-core, the N100 wins decisively with 401.5 points versus 296 for the i5-2300, a 26.3% edge. However, in the newer Cinebench R23 multi-core workload, the tables turn completely. Here, the i5-2300 scores 2947 against the N100's 2559.5, giving the older chip a 15.1% victory. This reversal suggests that the i5-2300's larger thermal envelope and dedicated desktop power delivery allow it to sustain higher clocks under extended multi-core loads, while the N100's 6W TDP forces more aggressive throttling in longer rendering tasks.

The i5-2300 also shows strength in the Cinebench R20 multi-core test with a score of 1237, though no direct N100 comparison exists in that specific workload. The N100 counters with a single-core R15 result of 147.9, while the i5-2300 has no corresponding R15 single-core entry in the dataset. Across the three directly comparable benchmarks, the N100 claims two wins against one for the i5-2300, yet the magnitude of those wins varies enormously—from the N100's lopsided single-core dominance to the i5-2300's substantial but narrower multi-core advantage in R23.

Architecture Differences

The architectural gulf between these processors is vast. The i5-2300 uses Sandy Bridge, Intel's 32nm microarchitecture from the Core i5 generation, featuring four physical cores with four threads and a base clock of 2.80 GHz boosting to 3.10 GHz. It draws 95W TDP and mounts on the Intel Socket 1155 platform. The N100, by contrast, employs the Gracemont architecture on a 10nm process, part of the Intel Processor (Alder Lake-N) generation, with a bizarre listed base clock of 100.00 GHz (clearly a data anomaly) and a 3.40 GHz boost clock. Its thermal design power is just 6W, and it uses the Intel BGA 1264 mobile socket.

Cache hierarchies reveal different design philosophies. The i5-2300 allocates 64 KB of L1 cache per core and 256 KB of L2 per core, complemented by 6 MB of shared L3. The N100 provides 96 KB of L1 per core but shares 2 MB of L2 across all four cores, again paired with 6 MB of shared L3. The N100's larger L1 suggests a higher-bandwidth front-end feeding its more efficient execution units, while the shared L2 reflects a simpler, more power-conscious design targeting burst workloads.

Memory support diverges sharply. The i5-2300 is limited to DDR3 through a dual-channel memory bus, while the N100 supports both DDR4 and DDR5, albeit through a single-channel configuration with a rated bandwidth of 38.4 GB/s. The N100 also offers more PCIe connectivity with Gen 3 across 9 lanes, versus the i5-2300's 16 lanes on Gen 3—though the older chip's lanes are wired for a desktop expansion environment. Integrated graphics differ too: Intel HD 2000 on the i5-2300 versus UHD Graphics 730 on the N100, the latter benefiting from over a decade of iGPU advancement. The N100 is an active, in-production part with a launch MSRP of $128, while the i5-2300 is end-of-life with no listed launch price.

The Verdict

The data supports a clear split based on workload characteristics. The Intel Processor N100 is the superior choice for single-threaded performance, delivering a 54.3% advantage over the i5-2300 in Cinebench R23 single-core. This translates directly to snappier responsiveness in everyday applications, web browsing, and lightly-threaded productivity tools where individual core efficiency matters most. Its 6W TDP further positions it as the only realistic option for fanless or battery-powered designs.

The Intel Core i5-2300 retains relevance purely through its Cinebench R23 multi-core result, where it outperforms the N100 by 15.1%. This suggests that for sustained, heavily multi-threaded rendering workloads that stress all cores equally over extended periods, the older desktop chip can still hold its ground—likely due to its superior sustained power delivery and higher boost headroom. However, this advantage is narrow and confined to a single benchmark generation; in the older R15 multi-core test, the N100 wins by 26.3%.

Given that the N100 wins two of three head-to-head benchmarks, dominates single-core by a massive margin, and does so at a fraction of the power draw, the data favors the modern processor for general-purpose use. The i5-2300's single win, while legitimate, appears workload-specific rather than indicative of overall superiority. Users needing maximum multi-threaded throughput in modern renderers might still prefer the i5-2300, but they would sacrifice substantial single-core performance and energy efficiency to obtain it.

FAQ

Q: Which processor has a higher single-core benchmark score?

A: The Intel Processor N100 scores 910.5 in Cinebench R23 single-core, which is 54.3% higher than the Intel Core i5-2300's 416 in the same test.

Q: How do the two processors compare in multi-core performance?

A: Results vary by test. The N100 wins Cinebench R15 multi-core with 401.5 versus 296, while the i5-2300 wins Cinebench R23 multi-core with 2947 versus 2559.5.

Q: What are the TDP differences between these CPUs?

A: The Intel Core i5-2300 has a TDP of 95W, while the Intel Processor N100 is rated at just 6W—a difference of 89W favoring the mobile chip.

Q: Do both processors support ECC memory?

A: No. Both the Intel Core i5-2300 and the Intel Processor N100 have ECC memory support set to false.

Q: What memory types does each processor support?

A: The i5-2300 supports DDR3 memory with a dual-channel bus. The N100 supports DDR4 and DDR5 memory but uses a single-channel bus with 38.4 GB/s bandwidth.

Q: Which processor has a higher overall benchmark percentile ranking?

A: The Intel Core i5-2300 sits at the 28th percentile of all CPUs, while the Intel Processor N100 sits at the 27th percentile. Their average benchmark scores are 1014 and 1007, respectively.

Where Each One Wins

Intel Processor N100 wins in: Single-threaded workloads by a landslide—the 54.3% advantage in Cinebench R23 single-core makes it the clear choice for applications that rely on per-core speed. It also wins in the Cinebench R15 multi-core test with a 26.3% margin, indicating better performance in legacy renderers or shorter burst workloads. Its 6W TDP versus 95W makes it the only sensible option for mobile devices, low-power NAS units, or passively-cooled systems. The N100's support for DDR4 and DDR5 memory provides modern platform flexibility, and its active production status ensures ongoing availability.

Intel Core i5-2300 wins in: The Cinebench R23 multi-core benchmark, where its 2947 score beats the N100's 2559.5 by 15.1%. This indicates superior sustained performance in modern, heavily-threaded rendering tasks that can fully utilize all four cores for extended periods. Its dual-channel DDR3 memory bus offers higher theoretical memory parallelism than the N100's single-channel configuration, and its 16 PCIe Gen 3 lanes provide more expansion capability for desktop users needing multiple add-in cards. The 95W TDP, while inefficient, enables higher sustained clock speeds under load, which likely explains its R23 multi-core advantage.