Intel Core i5-9500F vs Intel Core i7-7740X Comparison

The Intel Core i5-9500F and Intel Core i7-7740X represent two distinct approaches to desktop computing from the same manufacturer, separated by two years of release timing and fundamentally different platform designs. The data shows a consistent pattern in Cinebench workloads favoring the six-core i5-9500F, while the quad-core i7-7740X demonstrates a notable advantage in Geekbench single-core performance. Despite both processors occupying the 50th percentile among all CPUs, their architectural choices—Coffee Lake Refresh versus Kaby Lake-X—produce measurable differences that extend beyond raw core counts.

FAQ

Q: Which processor has a higher multi-core Cinebench R23 score?

A: The Intel Core i5-9500F scores 8453 versus 8250 for the i7-7740X, a 2.5% advantage. This margin is consistent across Cinebench R15, R20, and R23 multi-core tests.

Q: Does the i7-7740X win any benchmark comparisons?

A: Yes, the i7-7740X wins two of eight head-to-head tests. It leads in Geekbench multi-core with 5246 against 5185 (a -1.2% delta for the i5-9500F) and in Geekbench single-core with 1619 versus 1504 (a -7.1% delta).

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

A: The i5-9500F provides 6 cores and 6 threads, while the i7-7740X offers 4 cores and 8 threads. The i7-7740X’s Hyper-Threading allows it to process more threads than physical cores.

Q: How do the base and boost clocks compare?

A: The i7-7740X runs at a 4.30 GHz base clock and 4.60 GHz boost, significantly higher than the i5-9500F’s 3.00 GHz base and 4.40 GHz boost. This clock advantage helps the i7-7740X in single-threaded Geekbench tests.

Q: Are both processors unlocked for overclocking?

A: No. The i7-7740X has an unlocked multiplier, while the i5-9500F does not. This makes the i7-7740X more flexible for enthusiast tuning, though the data does not include overclocked benchmark results.

Q: Which processor uses a newer architecture?

A: The i5-9500F is based on Coffee Lake (Refresh generation), released in April 2019, while the i7-7740X uses Kaby Lake (X-Series 7th Gen), released in June 2017. Both are built on Intel’s 14 nm process node.

Architecture Differences

The i5-9500F and i7-7740X diverge sharply in platform design, starting with their sockets. The i5-9500F uses Intel Socket 1151, while the i7-7740X requires Intel Socket 2066, indicating fundamentally different motherboard ecosystems. This is not a minor distinction—the i7-7740X belongs to Intel’s HEDT (high-end desktop) X-Series lineup despite its modest core count, whereas the i5-9500F is a mainstream desktop part.

The memory controllers further separate these processors. The i5-9500F offers dual-channel DDR4 with a specified 42.7 GB/s bandwidth, while the i7-7740X supports quad-channel DDR4 with no bandwidth figure listed in the data. The quad-channel configuration theoretically provides more memory bandwidth for the i7-7740X, but benchmark results do not reflect a decisive advantage in the tested workloads.

Cache layouts show both similarities and differences. Each core gets 64 KB of L1 and 256 KB of L2 cache on both parts. The shared L3 cache differs: the i5-9500F has 9 MB shared, versus 8 MB shared on the i7-7740X. With fewer cores, the i7-7740X’s L3 per core ratio is higher, but the i5-9500F’s larger total cache supports its six-core configuration.

The i7-7740X carries an unlocked multiplier, a feature absent from the i5-9500F. This aligns with the i7-7740X’s positioning as an enthusiast part, though the production status flips expectations: the i5-9500F is marked end-of-life, while the i7-7740X remains active. The i5-9500F’s TDP of 65 watts contrasts sharply with the i7-7740X’s 112 watts, reflecting the latter’s higher base clocks and quad-channel memory controller.

PCIe support is listed as Gen 3 with 16 lanes (CPU only) for the i5-9500F, while the i7-7740X is listed simply as Gen 3 without a lane count. Neither processor includes integrated graphics, so both require a discrete GPU. The i5-9500F’s “F” designation confirms this, and the i7-7740X’s lack of iGPU is consistent with its X-Series heritage.

Head-to-Head Benchmarks

The benchmark data reveals a clear split: the i5-9500F dominates Cinebench across all versions, while the i7-7740X takes Geekbench. Beginning with Cinebench R15 multi-core, the i5-9500F scores 852 against 831, a 2.5% delta. The single-core R15 test shows 120 versus 117, a 2.6% margin. These are modest but consistent wins.

Moving to Cinebench R20, the i5-9500F scores 3550 multi-core versus 3465, again 2.5% ahead. Single-core R20 shows 501 versus 488, a 2.7% advantage. The pattern holds in Cinebench R23: multi-core 8453 versus 8250 (2.5% delta) and single-core 1193 versus 1164 (2.5% delta). Across six Cinebench tests, the i5-9500F wins every one with deltas ranging from 2.5% to 2.7%. This consistency suggests a fundamental throughput advantage from the two extra physical cores, despite the i7-7740X’s higher clock speeds and Hyper-Threading.

The Geekbench results invert the picture. In multi-core, the i7-7740X scores 5246 against 5185, a -1.2% delta for the i5-9500F. This is a narrow win, nearly within noise. But single-core Geekbench is decisive: 1619 versus 1504, a -7.1% delta favoring the i7-7740X. The 115-point gap reflects the i7-7740X’s 4.60 GHz boost clock and Kaby Lake’s strong single-thread efficiency. The i5-9500F’s 4.40 GHz boost cannot close this gap, even with a newer architecture generation.

The wins tally stands at 6 for the i5-9500F and 2 for the i7-7740X. However, the magnitude of the i7-7740X’s single-core Geekbench win (7.1%) is larger than any individual Cinebench margin for the i5-9500F. The average benchmark scores paint a similar picture: the i5-9500F averages 2670, only 0.8% above the i7-7740X’s 2648. Both sit at the 50th percentile of all CPUs, indicating they are middling performers in the broader market.

Nearest rival data reinforces this middle-tier positioning. The i5-9500F’s closest competitor is the Core i7-1365UE with an average score of 2677 (-0.3% delta), while the i7-7740X’s nearest rival is the Xeon E-2274G at 2643 (0.2% delta). These deltas are tiny, suggesting both processors sit in a dense cluster of comparable silicon.

Specification Differences

The two processors differ on nearly every major specification except process node (both 14 nm) and L1/L2 cache per core (both 64 KB and 256 KB respectively). The i5-9500F has 6 cores and 6 threads; the i7-7740X has 4 cores and 8 threads. Base clocks are 3.00 GHz versus 4.30 GHz, a 1.30 GHz advantage for the i7-7740X. Boost clocks are closer: 4.40 GHz versus 4.60 GHz.

TDP differs substantially: 65 watts for the i5-9500F versus 112 watts for the i7-7740X. This makes the i5-9500F far more power-efficient on paper, though the benchmark data does not include power measurements. Socket compatibility is exclusive to each: Socket 1151 for the i5-9500F, Socket 2066 for the i7-7740X.

L3 cache is 9 MB shared on the i5-9500F versus 8 MB shared on the i7-7740X. Memory channels differ: dual-channel for the i5-9500F with 42.7 GB/s bandwidth, quad-channel for the i7-7740X with no bandwidth figure. PCIe is listed as Gen 3 with 16 lanes (CPU only) for the i5-9500F, versus Gen 3 without lane count for the i7-7740X.

The multiplier is locked on the i5-9500F and unlocked on the i7-7740X. Release dates are April 2019 for the i5-9500F and June 2017 for the i7-7740X. Production status shows the i5-9500F as end-of-life and the i7-7740X as active. Neither supports ECC memory, and neither has integrated graphics. The i5-9500F’s architecture is Coffee Lake (Refresh), while the i7-7740X uses Kaby Lake (X-Series 7th Gen).

The Verdict

For multi-threaded productivity workloads, the i5-9500F is the clear choice. It wins every Cinebench test by 2.5% to 2.7%, a margin consistent enough to be meaningful for users running sustained render or encode tasks. Its 6 physical cores provide a throughput advantage that the i7-7740X’s 4 cores and 8 threads cannot overcome, even with a 1.3 GHz base clock disadvantage. The i5-9500F also does this at 65 watts TDP versus 112 watts, a substantial efficiency gap.

For single-thread-sensitive applications, the i7-7740X’s Geekbench single-core score of 1619 stands out. The 7.1% lead over the i5-9500F is the largest delta in the entire comparison. Users running lightly-threaded workloads—legacy software, certain games, or single-threaded scripts—would benefit from the i7-7740X’s higher boost clock and unlocked multiplier for potential tuning.

The Geekbench multi-core result slightly favors the i7-7740X (5246 versus 5185), but the 1.2% margin is negligible in practice. This suggests that in some multi-threaded scenarios, the i7-7740X’s Hyper-Threading and higher clocks can offset its core deficit. However, the Cinebench suite, which is more representative of sustained multi-core workloads, consistently favors the i5-9500F.

Platform considerations tilt the decision further. The i5-9500F’s Socket 1151 is a mainstream platform, while the i7-7740X’s Socket 2066 is a HEDT platform typically associated with higher motherboard costs. The i5-9500F’s end-of-life status means it is no longer in production, while the i7-7740X remains active. The i7-7740X’s quad-channel memory support is a theoretical advantage for bandwidth-heavy tasks, but the data does not show it translating into benchmark wins.

The verdict depends on workload. The i5-9500F wins 75% of head-to-head tests and offers superior multi-core consistency with lower TDP. The i7-7740X wins the most important single-thread test decisively and carries an unlocked multiplier for enthusiasts. Neither processor breaks out of the 50th percentile, and both sit within 1% of each other on average benchmark score. Buyers prioritizing multi-core rendering should pick the i5-9500F, while those needing maximum single-thread performance with overclocking headroom should consider the i7-7740X.