Intel Core i5-7600 vs Intel Core i5-8305G Comparison

The Intel Core i5-7600 and Intel Core i5-8305G are both 14 nm Kaby Lake parts, but they target entirely different platforms: a socketed desktop chip versus a mobile BGA package. The benchmark data reveals a fascinating split—the mobile chip dominates in Cinebench while the desktop chip wins decisively in Geekbench. This divergence suggests that the two processors are optimized for different workloads, and the numbers tell a clear story of where each design's strengths lie.

Head-to-Head Benchmarks

The most striking pattern in the head-to-head results is the complete reversal of fortune between the Cinebench and Geekbench suites. The Intel Core i5-8305G wins six of the eight benchmarks, but those wins are all narrow and clustered in one family of tests. In Cinebench R15 multicore, the 8305G scores 578 against the 7600's 563, a 2.6% advantage. The single-core R15 result is nearly identical in percentage terms: 81 versus 79, again a 2.5% edge for the mobile part. This consistency carries through the newer Cinebench versions—R20 multicore shows 2410 versus 2348, and R23 multicore shows 5739 versus 5591, both maintaining that exact 2.6% delta. Even the single-core R20 and R23 results (340 versus 331, and 810 versus 789) stick to the same 2.6% gap.

What is curious is that the 8305G's Cinebench wins are so uniform despite having a lower base clock (2.80 GHz versus 3.50 GHz) and lower boost clock (3.80 GHz versus 4.10 GHz). The 8305G compensates with hyper-threading, giving it 8 threads against the 7600's 4 threads. That thread advantage likely explains why the multicore delta is identical to the single-core delta—the per-core performance is similar, but the extra threads keep the multicore score from falling behind. Yet the single-core wins are surprising because the 7600 has a 0.30 GHz boost advantage. The data suggests the 8305G's architecture extracts slightly more instructions per clock in this workload, or thermal behavior favors the mobile design in these short bursts.

The Geekbench results flip the narrative entirely. The Intel Core i5-7600 wins multicore with 3704 against 3536, a 4.8% margin. The single-core Geekbench result is a blowout: 1344 versus 1150, a 16.9% advantage for the desktop chip. That 16.9% delta is by far the largest margin in any benchmark between the two. It indicates that the 7600's higher clocks translate into a substantial single-threaded performance lead in Geekbench's workload mix, which likely includes more branch prediction, memory latency, and integer operations where raw clock speed matters more than thread count. The 8305G cannot overcome the 0.30 GHz boost deficit in these tests, and the hyper-threading advantage does nothing for single-core scores.

The overall win count favors the 8305G at 6 wins versus 2, but the average benchmark scores tell a different story. The 7600 has an average benchmark score of 1844, while the 8305G sits at 1831—a mere 0.7% difference. This places the 7600 in its nearest rival list alongside the Intel Core i7-8706G, AMD Athlon Gold PRO 3150G, and AMD Ryzen 5 4600U, with deltas of 0.1%, 0.5%, and 0.7% respectively. The 8305G's nearest rivals include the AMD Ryzen 5 4600U, Intel Xeon E5-2608L v3, and Intel Xeon D-1537, all within 0.2% of its score. Both chips sit at the 42nd percentile of all CPUs, meaning they are statistically indistinguishable in overall performance despite their divergent benchmark profiles.

Where Each One Wins

The Intel Core i5-7600's territory is single-threaded responsiveness and Geekbench-style workloads. Its 16.9% lead in Geekbench single-core is the standout metric, suggesting it handles latency-sensitive tasks—like legacy software, certain games, or lightly-threaded productivity apps—with noticeably more agility. The 4.8% Geekbench multicore win also indicates that when workloads scale across cores but don't benefit from hyper-threading, the 7600's higher clock speeds win out. The data implies that for users running applications that are sensitive to clock frequency rather than thread count, the 7600 is the stronger choice.

The Intel Core i5-8305G owns the Cinebench arena. Its 2.6% advantage across all Cinebench versions, both single and multicore, points to a design that handles rendering and compute-heavy tasks more efficiently. The consistent margin across R15, R20, and R23 suggests that the 8305G's architecture—with its 8 threads and Radeon RX Vega M GL integrated graphics—is tuned for sustained compute throughput. The 8305G also wins in the context of its mobile platform, where the data shows it can deliver these scores within a 65 W TDP, matching the desktop 7600's thermal envelope despite being a BGA package.

The use-case split is clean: the 7600 is for users who prioritize snappy single-threaded performance and classic desktop workloads, while the 8305G is for those who need consistent multi-threaded rendering performance in a compact mobile form factor. The Geekbench multicore result complicates this slightly—the 7600 wins there by 4.8%—but the Cinebench suite is the more representative test for content creation, and the 8305G takes all three versions.

The Verdict

The data presents a paradox: the 8305G wins more benchmarks, but the 7600 wins the benchmarks that matter most for single-threaded dominance. The 16.9% Geekbench single-core margin is too large to ignore, and it gives the 7600 a clear identity as the faster chip for everyday responsiveness and legacy applications. The 8305G's Cinebench wins are real but narrow, capped at 2.6%, which means the performance difference in rendering workloads is minor in practice.

For a desktop user who can install a Socket 1151 processor and wants the best single-threaded performance, the 7600 is the data-backed choice. Its 4.1 GHz boost clock, 4 cores and 4 threads, and 6 MB of shared L3 cache deliver a Geekbench single-core score of 1344 that the 8305G cannot approach. The 7600's 42nd percentile ranking and its average score of 1844, which edges out the 8305G's 1831, reinforce its slight overall edge.

For a mobile user or someone building a compact system with the BGA 2270 socket, the 8305G is the only option of the two, and the data shows it is not a compromise. Its 8 threads and Cinebench wins make it the better choice for multi-threaded rendering, and its 5739 R23 multicore score is the highest in the head-to-head. The 8305G also carries the Radeon RX Vega M GL integrated graphics, which the 7600 does not have, giving it a hardware advantage for graphics tasks that the benchmark data does not directly measure but implies through its platform design.

The verdict hinges on the 0.7% average score difference. It is negligible. The real decision is about workload: pick the 7600 for single-threaded speed and Geekbench-style tasks; pick the 8305G for Cinebench rendering and mobile integration. The data does not support a universal winner, only a situational one.

FAQ

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

A: The Intel Core i5-7600 scores 1344 in Geekbench single-core, which is 16.9% higher than the Intel Core i5-8305G's score of 1150.

Q: Does the Intel Core i5-8305G win any benchmarks?

A: Yes, the 8305G wins all six Cinebench tests (R15, R20, and R23, both single and multicore), with a consistent 2.6% margin over the 7600 in each case.

Q: How do their average benchmark scores compare?

A: The 7600 has an average benchmark score of 1844, while the 8305G has an average of 1831, a difference of 0.7% in favor of the 7600.

Q: What are the core and thread counts for each processor?

A: The Intel Core i5-7600 has 4 cores and 4 threads, while the Intel Core i5-8305G has 4 cores and 8 threads due to hyper-threading.

Q: Which processor has a higher boost clock?

A: The Intel Core i5-7600 has a boost clock of 4.10 GHz, compared to the 8305G's 3.80 GHz, a difference of 0.30 GHz.

Q: What is the percentile ranking for both CPUs?

A: Both the Intel Core i5-7600 and the Intel Core i5-8305G are ranked at the 42nd percentile of all CPUs.

Architecture Differences

Both processors are built on Intel's 14 nm process node and share the Kaby Lake architecture, but they diverge in codename and platform. The 7600 uses the Kaby Lake codename and fits the Intel Socket 1151, while the 8305G uses the Kaby Lake G codename and is a BGA 2270 package, meaning it is soldered to the motherboard. The 7600 is a Desktop market segment part, whereas the 8305G is a Mobile segment part, which explains the different sockets and form factors.

The cache hierarchy is identical: 64 KB of L1 per core, 256 KB of L2 per core, and 6 MB of shared L3 cache. Both support DDR4 memory and have ECC memory disabled. The 7600 has a dual-channel memory bus with 38.4 GB/s of bandwidth, while the 8305G's memory bus and bandwidth are not specified in the data, though it does support DDR4. The 7600 also has PCIe Gen 3 with 16 lanes (CPU only), while the 8305G's PCIe configuration is not listed.

The integrated graphics differ significantly. The 7600 uses HD 630, while the 8305G uses Radeon RX Vega M GL, which is a more powerful GPU solution likely intended for mobile gaming or graphics work. The 7600 has a part number of SR334, while the 8305G has no part number listed. Both have locked multipliers, meaning overclocking is not supported. The release dates differ by over a year: the 7600 launched in January 2017, and the 8305G launched in January 2018.

Specification Differences

The most obvious difference is thread count: the 7600 has 4 threads, while the 8305G has 8 threads, despite both having 4 cores. Clock speeds also differ, with the 7600 running at 3.50 GHz base and 4.10 GHz boost, while the 8305G runs at 2.80 GHz base and 3.80 GHz boost. Both have a 65 W TDP, but the 7600 uses the Intel Socket 1151, while the 8305G uses the Intel BGA 2270.

The memory configuration is another differentiator: the 7600 has a dual-channel bus with 38.4 GB/s bandwidth, while the 8305G has no listed memory bus or bandwidth figures. The 7600 has PCIe Gen 3 with 16 lanes, while the 8305G has no PCIe specification listed. The integrated graphics are different (HD 630 versus Radeon RX Vega M GL), and the market segments differ (Desktop versus Mobile). The release dates are also different, with the 7600 launching on 2017-01-02 and the 8305G on 2018-01-31. The 7600 has a part number (SR334), while the 8305G does not. All other fields, including cores, cache sizes, process node, foundry, and ECC support, are identical between the two.