Intel Core i5-2310 vs Intel Pentium Gold G6505 Comparison

The Intel Pentium Gold G6505 and Intel Core i5-2310 sit at the same 30th percentile of all CPUs, with average benchmark scores of 1074 and 1073 respectively — a 0.1% difference that makes them statistical twins in overall performance. Yet the head-to-head benchmark data tells a more decisive story: the Pentium Gold wins all five Cinebench comparisons, with margins ranging from 19.1% to 19.6% across multi-core and single-core tests. The verdict from the data is clear: the Pentium Gold G6505 is the faster processor in every measured workload, making it the default choice for anyone prioritizing raw compute. However, the Core i5-2310 retains relevance through its four physical cores and larger 6 MB L3 cache, which may appeal to users running older software that scales with core count rather than architectural efficiency. For modern applications, the Pentium Gold’s consistent 19% lead in both single-threaded and multi-threaded Cinebench results suggests it is the more capable part, despite having half the cores.

Architecture Differences

The two processors come from vastly different eras of Intel’s design philosophy, and the data reflects this gap. The Pentium Gold G6505 uses the Comet Lake architecture on a 14 nm process node, while the Core i5-2310 is built on Sandy Bridge at 32 nm. This process node difference explains much of the performance disparity: the 14 nm node allows for higher clock speeds and better instruction-level efficiency, even with fewer cores. The Pentium Gold operates at a base clock of 4.20 GHz with no boost clock, whereas the Core i5-2310 starts at 2.90 GHz and boosts to 3.20 GHz. That 1.0–1.3 GHz frequency advantage is the single largest architectural factor behind the Pentium Gold’s benchmark wins.

Core and cache configurations also differ fundamentally. The Pentium Gold has 2 cores and 4 threads, while the Core i5-2310 has 4 cores and 4 threads — the i5 offers double the physical cores but no hyper-threading, while the Pentium Gold uses hyper-threading to reach 4 threads from 2 cores. Cache hierarchies are similarly divergent: the Pentium Gold has 4 MB of shared L3 cache, while the Core i5-2310 has 6 MB. The L1 and L2 caches are identical per core at 64 KB and 256 KB respectively, but the larger L3 on the i5 does not compensate for its lower clock speed in the benchmarks. Memory support differs as well: the Pentium Gold uses DDR4 with 42.7 GB/s bandwidth, while the Core i5-2310 uses DDR3 with no listed bandwidth figure — a significant generational leap in memory technology. Integrated graphics also differ, with the Pentium Gold featuring UHD Graphics 630 and the Core i5-2310 using Intel HD 2000. The Pentium Gold is on Socket 1200 with a 58 W TDP, while the Core i5-2310 uses Socket 1155 with a 95 W TDP, meaning the newer part is also more power-efficient despite being faster.

FAQ

Q: Which processor has a higher average benchmark score?

A: The Intel Pentium Gold G6505 scores 1074, while the Intel Core i5-2310 scores 1073, a difference of 0.1% that places both at the 30th percentile of all CPUs.

Q: How much faster is the Pentium Gold in multi-core Cinebench R23?

A: The Pentium Gold scores 3715 versus 3118 for the Core i5-2310, a 19.1% advantage in favor of the Pentium Gold.

Q: Does the Core i5-2310 win any benchmark comparisons?

A: No. In the head-to-head data, the Pentium Gold wins all 5 tests, with the Core i5-2310 recording zero wins.

Q: What are the core count and thread count differences?

A: The Pentium Gold has 2 cores and 4 threads, while the Core i5-2310 has 4 cores and 4 threads, meaning the i5 has more physical cores but both have the same thread count.

Q: Which processor has a higher base clock speed?

A: The Pentium Gold runs at 4.20 GHz base, while the Core i5-2310 runs at 2.90 GHz base, a difference of 1.30 GHz in favor of the Pentium Gold.

Q: What is the L3 cache size for each processor?

A: The Pentium Gold has 4 MB of shared L3 cache, while the Core i5-2310 has 6 MB, giving the older i5 a 2 MB L3 advantage.

Specification Differences

The specification table reveals a generational divide in nearly every category. The Pentium Gold G6505 offers 2 cores and 4 threads, while the Core i5-2310 offers 4 cores and 4 threads. Base clocks differ dramatically: 4.20 GHz versus 2.90 GHz, with the Core i5-2310 having a boost clock of 3.20 GHz that the Pentium Gold lacks entirely. TDP ratings are 58 W for the Pentium Gold and 95 W for the Core i5-2310, a 37 W difference. Sockets are incompatible: Socket 1200 for the Pentium Gold versus Socket 1155 for the Core i5-2310. Process nodes are 14 nm versus 32 nm, with the Core i5-2310 having documented transistors of 1,160 million and a die size of 216 mm², while the Pentium Gold lists neither. Cache differs in L3 size only: 4 MB for the Pentium Gold versus 6 MB for the Core i5-2310, with L1 and L2 identical at 64 KB and 256 KB per core. Memory support is DDR4 versus DDR3, with the Pentium Gold listing 42.7 GB/s bandwidth and the Core i5-2310 listing none. Integrated graphics are UHD Graphics 630 versus Intel HD 2000. Release dates are 2021-03-15 versus 2011-05-21, with the Pentium Gold still active in production and the Core i5-2310 end-of-life. The Pentium Gold has a launch MSRP of $75, while the Core i5-2310 has no listed MSRP. PCIe support is identical: Gen 3, 16 lanes (CPU only), and neither has an unlocked multiplier.

Head-to-Head Benchmarks

The benchmark data is unambiguous: the Pentium Gold G6505 wins every single comparison, with margins clustering tightly around 19%. In Cinebench R15 multi-core, the Pentium Gold scores 374 against 314 for the Core i5-2310, a 19.1% lead. The R20 multi-core test shows a similar pattern: 1560 versus 1309, again a 19.2% advantage. Single-core performance follows the same trend — R20 single-core gives 220 versus 184, a 19.6% gap, which is the largest margin of any test. The R23 suite confirms the pattern with multi-core at 3715 versus 3118 (19.1%) and single-core at 524 versus 440 (19.1%). The consistency of these results is notable: across five different benchmarks, the deltaPct never deviates beyond 0.5 percentage points, ranging from 19.1% to 19.6%. This uniformity suggests a systemic advantage rather than workload-specific optimization, likely stemming from the Pentium Gold’s higher clock speed and newer architecture. The Core i5-2310’s extra two physical cores provide no benefit in these Cinebench tests, as the Pentium Gold’s hyper-threading and frequency advantage more than compensate. The single-core results are particularly telling — a 19.6% lead in R20 single-core indicates that the Pentium Gold’s architectural efficiency per core is substantially higher, not just its multi-threaded throughput.

Where Each One Wins

The Pentium Gold G6505 wins in every measured category, making it the clear choice for any workload represented by the Cinebench suite. Its 19.1-19.6% advantage across multi-core and single-core tests means it excels in both heavily threaded rendering tasks and lightly threaded everyday applications. The 4.20 GHz base clock, combined with a 14 nm process, delivers superior instruction throughput per clock, which translates directly to faster response times in single-threaded software like older games or office applications. The DDR4 memory support with 42.7 GB/s bandwidth also gives it an edge in memory-intensive workloads, even if the Core i5-2310’s larger 6 MB L3 cache attempts to mitigate its slower DDR3 interface. For users building a new system, the Pentium Gold’s modern Socket 1200 platform offers better upgrade paths and active production status.

The Core i5-2310’s strengths are more circumstantial. Its four physical cores may be beneficial in legacy software that does not use hyper-threading effectively, allowing it to handle four simultaneous threads without the overhead of virtual cores. The 6 MB L3 cache, while not enough to overcome the clock speed deficit, could provide a small advantage in workloads with high cache reuse that are not captured by the Cinebench results. However, the data shows no benchmark where this translates into a win. The Core i5-2310’s end-of-life status and 95 W TDP make it less appealing for new builds, though its Socket 1155 platform may be relevant for users upgrading an existing Sandy Bridge system. The 3.20 GHz boost clock is its only frequency advantage, but it still trails the Pentium Gold’s base clock by 1.00 GHz. In practical terms, the Core i5-2310 is best suited for budget-conscious users who already own a compatible motherboard and are looking to extend the life of an older system, while the Pentium Gold G6505 is the superior performer for any new purchase decision based on the benchmark data.