Intel Arc G3 vs Intel Core 5 320 Comparison

Head-to-Head Benchmarks

The recorded data set does not include any direct head-to-head benchmark results between the Intel Arc G3 and the Intel Core 5 320. The database contains no shared workload scores for these two processors, meaning a comparative performance analysis cannot be derived from direct measurements. However, the Intel Core 5 320 carries an extensive set of standalone benchmark scores, while the Intel Arc G3 has no recorded benchmark results in the database. This asymmetry limits any comparative assessment to the specifications and the Core 5 320's individual performance profile.

The Intel Core 5 320 achieves an average benchmark score of 18,023 across its tested workloads. Its percentile ranking places it at 72, meaning it outperforms the majority of all CPUs tracked in the database. In Cinebench R23, the Core 5 320 scores 6,197 in multi-core and 1,926 in single-core tests. The Cinebench R20 results show 5,462 multi-core and 771 single-core. In the older R15 test, it records 1,054 multi-core and 276 single-core. These results indicate steady scaling across Cinebench generations.

The PassMark suite provides additional granularity. The Core 5 320 delivers 42,440 in floating-point math, 32,323 in integer math, and 13,262 in extended instructions. Data compression reaches 148,779, while encryption scores 10,984. Random string sorting finishes at 18,038, and prime number finding yields 110. The multithread score stands at 15,450, with single-thread at 4,045. Physics testing records 1,221.

The nearest rivals to the Core 5 320 highlight its competitive positioning. The AMD Ryzen 5 1600 averages 17,994, which places it 0.2% behind the Core 5 320. The Intel Core 5 120U averages 17,898, a 0.7% deficit. The Intel Core i5-1334U averages 18,154, putting it 0.7% ahead of the Core 5 320. The AMD Ryzen 5 3600XT averages 17,891, also 0.7% behind. These margins are narrow, indicating that the Core 5 320 sits in a tightly contested performance band.

Architecture Differences

The Intel Arc G3 and the Intel Core 5 320 differ substantially in their core configurations. The Arc G3 contains 14 cores and 14 threads, while the Core 5 320 has 6 cores and 6 threads. Neither processor supports hyper-threading, as each core corresponds to exactly one thread. This gives the Arc G3 a raw thread-count advantage of more than double the Core 5 320.

Both processors share the same 3 nm process node and both are manufactured by Intel. The Arc G3 uses the Panther Lake codename, while the Core 5 320 uses Wildcat Lake. Their socket designs differ as well: the Arc G3 fits Intel BGA 2540, and the Core 5 320 uses Intel BGA 1516. The Arc G3 belongs to the Arc G3 generation, while the Core 5 320 is part of the Core 5 generation.

Base clock speeds differ slightly. The Arc G3 starts at 1.90 GHz, while the Core 5 320 starts at 1.50 GHz. Both boost to 4.60 GHz, meaning the Arc G3 has a higher base frequency but an identical peak frequency. The thermal design profile also diverges: the Arc G3 is rated at 25 watts, while the Core 5 320 is rated at 15 watts.

Cache hierarchies show notable differences. Both allocate 192 KB of L1 cache per core and 2.5 MB of L2 cache per core. However, the shared L3 cache differs significantly. The Arc G3 provides 18 MB of shared L3, while the Core 5 320 provides only 6 MB of shared L3. This triple the L3 capacity in the Arc G3 could benefit workloads with large working sets.

Memory support further separates the two. The Arc G3 supports LPDDR5X memory only, with a dual-channel memory bus and a recorded bandwidth of 136.5 GB/s. The Core 5 320 supports both DDR5 and LPDDR5X, but uses a single-channel memory bus with a bandwidth of 59.7 GB/s. The Arc G3 therefore offers more than double the memory bandwidth of the Core 5 320, a substantial architectural advantage.

PCIe connectivity differs in both generation and lane count. The Arc G3 uses Gen 5 with 4 CPU lanes, while the Core 5 320 uses Gen 4 with 6 CPU lanes. The Arc G3 has the newer PCIe generation but fewer lanes. Integrated graphics also differ: the Arc G3 carries Arc B370 graphics, while the Core 5 320 carries Intel Xe3 Graphics with 2 Xe cores. Neither processor supports ECC memory, and neither has an unlocked multiplier.

The Core 5 320 launched on 2026-04-15 with a launch MSRP of $340. The Arc G3 released on 2026-05-27, and its launch MSRP is not recorded. Both are currently marked as active in production, and both target the mobile market segment.

The Verdict

The data indicates two distinct design philosophies. The Intel Arc G3 prioritizes throughput-oriented specifications: 14 cores, 18 MB of shared L3, dual-channel memory with 136.5 GB/s bandwidth, and a 25-watt thermal envelope. The Intel Core 5 320 prioritizes efficiency with 6 cores, 6 MB of shared L3, single-channel memory at 59.7 GB/s, and a 15-watt rating.

The Arc G3 has no recorded benchmark scores, so its actual performance cannot be quantified from the database. The Core 5 320, by contrast, has a full benchmark profile and a 72nd percentile ranking. This means the Arc G3's real-world performance remains unverified, while the Core 5 320 demonstrates measurable capability across Cinebench and PassMark suites.

For users who require the highest thread count, the largest L3 cache, and the fastest memory bandwidth, the Arc G3 offers those specifications on paper. For users who need verified benchmark scores, a lower thermal design, and a known performance baseline, the Core 5 320 is the only option with recorded data. The Core 5 320's launch MSRP of $340 provides a reference point, though no pricing information exists for the Arc G3.

The nearest rival comparisons apply only to the Core 5 320. Its 0.2% margin over the Ryzen 5 1600 and its 0.7% margins over the Core 5 120U and Ryzen 5 3600XT place it in a narrow competitive window. The Core i5-1334U edges it out by 0.7%. These figures suggest the Core 5 320 delivers consistent mid-pack performance.

FAQ

Q: Which processor has more cores?

A: The Intel Arc G3 has 14 cores, while the Intel Core 5 320 has 6 cores. Both have one thread per core, so the Arc G3 also has 14 threads compared to 6 threads in the Core 5 320.

Q: What is the difference in memory bandwidth?

A: The Arc G3 offers 136.5 GB/s of memory bandwidth via a dual-channel LPDDR5X bus. The Core 5 320 provides 59.7 GB/s through a single-channel bus supporting DDR5 and LPDDR5X.

Q: How does the Core 5 320 compare to its nearest rivals?

A: The Core 5 320 averages 18,023 points. It is 0.2% ahead of the AMD Ryzen 5 1600, 0.7% ahead of the Intel Core 5 120U, and 0.7% ahead of the AMD Ryzen 5 3600XT. The Intel Core i5-1334U is 0.7% ahead of the Core 5 320.

Q: What is the thermal design rating for each processor?

A: The Intel Arc G3 is rated at 25 watts, while the Intel Core 5 320 is rated at 15 watts.

Q: Which processor has more L3 cache?

A: The Intel Arc G3 has 18 MB of shared L3 cache. The Intel Core 5 320 has 6 MB of shared L3 cache.

Q: Do both processors boost to the same clock speed?

A: Yes, both the Intel Arc G3 and the Intel Core 5 320 boost to 4.60 GHz. Their base clocks differ, with the Arc G3 at 1.90 GHz and the Core 5 320 at 1.50 GHz.

Where Each One Wins

The Intel Arc G3 wins on raw specifications. Its 14 cores and 14 threads provide more parallel execution resources than the Core 5 320's 6 cores and 6 threads. The 18 MB shared L3 cache triples the Core 5 320's 6 MB, which can reduce memory access latency for cache-sensitive workloads. The dual-channel memory bus with 136.5 GB/s bandwidth more than doubles the Core 5 320's 59.7 GB/s, making the Arc G3 better suited for memory-intensive operations. Its 25-watt thermal envelope, while higher than the Core 5 320's 15 watts, still classifies it as a low-power mobile part. The Arc B370 integrated graphics also represent a different tier than the Xe3 Graphics with 2 Xe cores in the Core 5 320.

The Intel Core 5 320 wins on verified performance data and efficiency. It has a complete benchmark suite with an average score of 18,023 and a 72nd percentile ranking among all CPUs. The Arc G3 has zero recorded benchmarks, so its performance is entirely unvalidated. The Core 5 320's 15-watt rating is lower, which can extend battery life in mobile applications. Its single-channel memory support for both DDR5 and LPDDR5X offers memory type flexibility that the Arc G3 lacks, as the Arc G3 supports only LPDDR5X. The Core 5 320 also carries a launch MSRP of $340, providing a concrete reference point, while the Arc G3 has no recorded launch MSRP.

For workloads that demand maximum thread count, large shared cache, and high memory bandwidth, the Arc G3's specifications point to an advantage, though no benchmark data confirms it. For workloads where verified Cinebench and PassMark scores matter, the Core 5 320 delivers measurable results. The Core 5 320's single-thread score of 4,045 in PassMark and 1,926 in Cinebench R23 indicate solid single-core performance. Its multi-core scores of 6,197 in Cinebench R23 and 15,450 in PassMark multithread establish a baseline that the Arc G3 cannot yet match with recorded evidence.

The Arc G3 uses PCIe Gen 5 with 4 lanes, which supports faster per-lane transfer rates than the Core 5 320's PCIe Gen 4 with 6 lanes. However, the Core 5 320 offers more total lanes. The Arc G3's newer PCIe generation may benefit specific high-bandwidth peripherals, while the Core 5 320's additional lanes could support more simultaneous devices. Both processors are locked, and neither supports ECC memory. The final choice depends on whether unverified specifications or measured benchmark results carry more weight in the selection process.