Intel Core i5-2320 vs Intel Pentium Gold G6505 Comparison

The Intel Core i5-2320 and Intel Pentium Gold G6505 are separated by a decade of processor design, yet their average benchmark scores place them surprisingly close in the overall performance hierarchy. The data shows a clear generational shift: the older quad-core Sandy Bridge part relies on physical core count, while the newer dual-core Comet Lake chip leverages a massive clock speed advantage and architectural efficiency. The Pentium Gold G6505 wins every single head-to-head benchmark recorded, but the margin is consistently narrow, making this a compelling study in how far IPC and frequency have come.

Head-to-Head Benchmarks

The Pentium Gold G6505 sweeps all five recorded Cinebench comparisons, but the victories are uniform rather than overwhelming. In Cinebench R15 multi-core, the Pentium Gold scores 374 against the i5-2320’s 317, a 15.2% lead. That gap is nearly identical in Cinebench R20 multi-core, where the Pentium Gold’s 1560 beats 1321 (15.3%), and in Cinebench R23 multi-core, where 3715 eclipses 3146 (15.3%). The pattern is consistent: the Pentium Gold’s advantage hovers around 15.3% across all multi-threaded workloads, regardless of the rendering engine’s version.

Single-core performance tells the same story with slightly different numbers. In Cinebench R20 single-core, the Pentium Gold scores 220 versus 186, a 15.5% delta. Cinebench R23 single-core shows 524 against 444, again a 15.3% gap. The consistency is remarkable — the Pentium Gold is faster in every test, but it never runs away with the win. The i5-2320’s two extra physical cores (4 vs 2) are not enough to overcome the Pentium Gold’s 4.20 GHz base clock versus the i5-2320’s 3.00 GHz base and 3.30 GHz boost.

What is notable is that the i5-2320 has zero wins in this comparison. It trails in every metric, yet its average benchmark score of 1083 is actually higher than the Pentium Gold’s 1074. This apparent contradiction is explained by the fact that the average includes a broader set of historical data points, while the head-to-head only covers Cinebench. In the nearest rival analysis, the i5-2320 sits at the 30th percentile of all CPUs, matching the Pentium Gold’s 30th percentile. The two chips are effectively peers in overall standing, even though the Pentium Gold wins every direct comparison.

The delta percentages are tight enough that real-world differences would be modest. A 15.3% lead in multi-threaded rendering is noticeable but not transformative. The Pentium Gold’s single-core wins are similarly consistent, suggesting that its architectural efficiency and clock speed deliver a uniform advantage across both lightly and heavily threaded tasks.

FAQ

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

A: The Intel Pentium Gold G6505 wins all multi-core Cinebench tests. It scores 374 vs 317 in R15, 1560 vs 1321 in R20, and 3715 vs 3146 in R23, each a lead of roughly 15.3%.

Q: Does the i5-2320’s higher core count help it win any benchmark?

A: No. Despite having 4 cores versus the Pentium Gold’s 2, the i5-2320 loses every recorded head-to-head test. The Pentium Gold’s higher clock speed and newer architecture offset the core count disadvantage.

Q: How do their single-core scores compare?

A: The Pentium Gold leads in both recorded single-core tests. It scores 220 vs 186 in Cinebench R20 single-core and 524 vs 444 in Cinebench R23 single-core, a consistent 15.3-15.5% margin.

Q: Are these processors comparable in overall performance ranking?

A: Yes. Both sit at the 30th percentile of all CPUs. The i5-2320 has an average benchmark score of 1083, while the Pentium Gold scores 1074, a negligible difference.

Q: What is the closest rival to the i5-2320?

A: The Intel Core i5-3335S matches it exactly with an average score of 1083 and a 0% delta. The Intel Pentium Gold G6505T is nearly identical at 1082 (0.1% delta).

Q: What is the closest rival to the Pentium Gold G6505?

A: The Intel Core i5-2310 is the nearest match with an average score of 1073 and a 0.1% delta. The Intel Core i3-4170T and Core i5-5287U are also within 0.2%.

Architecture Differences

The two processors represent opposite ends of Intel’s design philosophy over a decade. The i5-2320 uses the Sandy Bridge architecture on a 32 nm process node, manufactured by Intel with 1,160 million transistors on a 216 mm² die. The Pentium Gold G6505 uses the Comet Lake architecture (specifically Comet Lake-R) on a 14 nm node, also manufactured by Intel, but with no transistor or die size data provided. The process shrink from 32 nm to 14 nm is substantial, allowing for higher clock speeds at lower power.

Cache configurations differ meaningfully. Both chips have 64 KB of L1 cache per core and 256 KB of L2 cache per core, but the i5-2320 has 6 MB of shared L3 cache, while the Pentium Gold has only 4 MB. Despite the smaller L3, the Pentium Gold’s higher frequency and newer core design compensate. The i5-2320’s larger cache is a legacy of its quad-core design, but it does not translate to benchmark wins.

Memory support is a major generational split. The i5-2320 supports DDR3 memory, while the Pentium Gold supports DDR4. Both use dual-channel memory buses, but the Pentium Gold has a listed memory bandwidth of 42.7 GB/s, a figure not provided for the i5-2320. The integrated graphics also differ: the i5-2320 uses Intel HD 2000, while the Pentium Gold features UHD Graphics 630, a significantly more modern iGPU.

PCIe support is identical on paper — both are listed as “Gen 3, 16 Lanes (CPU only)” — but the sockets are incompatible. The i5-2320 uses Intel Socket 1155, while the Pentium Gold uses Intel Socket 1200. This means no direct upgrade path between them without a motherboard change.

Specification Differences

The most obvious difference is core count: the i5-2320 has 4 cores and 4 threads, while the Pentium Gold has 2 cores and 4 threads. Clock speeds are starkly different. The i5-2320 has a 3.00 GHz base clock and a 3.30 GHz boost clock, while the Pentium Gold has a 4.20 GHz base clock and no boost clock listed. This 1.20 GHz base clock advantage is the primary driver of the Pentium Gold’s benchmark wins.

Thermal design power (TDP) differs by 37 watts. The i5-2320 draws 95 W, while the Pentium Gold is rated at 58 W. This makes the Pentium Gold substantially more power-efficient, especially given its higher performance. The process node difference (32 nm vs 14 nm) explains much of this efficiency gap.

Memory support is another key differentiator. The i5-2320 is limited to DDR3, while the Pentium Gold supports DDR4 with a specified 42.7 GB/s bandwidth. The L3 cache also differs: 6 MB shared on the i5-2320 versus 4 MB shared on the Pentium Gold. Both use dual-channel memory and lack ECC support.

Production status and release dates are far apart. The i5-2320 was released in September 2011 and is end-of-life, while the Pentium Gold was released in March 2021 and remains active. The Pentium Gold has a launch MSRP of $75; no launch MSRP is provided for the i5-2320. Both have locked multipliers, so neither supports overclocking.

The sockets are incompatible (1155 vs 1200), and the integrated graphics differ as noted. The i5-2320’s part number is SR02L, while the Pentium Gold’s is SRH3V. Neither chip has a null series designation, and both target the desktop market.

Where Each One Wins

The Pentium Gold G6505 wins every recorded benchmark, which makes it the clear choice for raw performance in Cinebench workloads. Its 15.3% lead in multi-core tests and 15.3-15.5% lead in single-core tests is consistent across all versions of Cinebench. For tasks that rely on single-threaded performance — such as older games, lightly threaded productivity apps, or general desktop responsiveness — the Pentium Gold’s 4.20 GHz base clock and newer Comet Lake architecture give it a decisive edge. Its lower 58 W TDP also makes it the better option for power-constrained builds or systems where heat output matters.

The i5-2320’s case for relevance is narrower but not nonexistent. Its 4 physical cores, while slower per-core, could theoretically handle certain multi-threaded workloads with better scheduling efficiency, though the benchmark data does not bear this out — it loses all multi-core tests. Its 6 MB L3 cache is larger, which might help in some cache-sensitive scenarios, but again, the data shows no such benefit. The i5-2320’s 30th percentile ranking and average score of 1083 are nearly identical to the Pentium Gold’s 1074, meaning neither chip has a meaningful overall performance advantage.

In practical terms, the Pentium Gold is the superior processor for virtually all use cases represented in the data. Its wins span every benchmark category, from multi-core rendering to single-core tasks. The i5-2320 offers no benchmark wins to point to. The only areas where the i5-2320 might be preferable are those outside the measured data: its older Socket 1155 platform might be cheaper to acquire second-hand, and its DDR3 memory support could be an advantage if you already own that RAM. But based purely on the Cinebench results, the Pentium Gold G6505 is the winner across the board, with a consistent margin that makes it the better choice for anyone prioritizing performance in the tested workloads. The i5-2320’s high core count is a relic of its era, but the Pentium Gold’s architectural efficiency and clock speed render those cores obsolete.