Intel Core i5-7500 vs Intel Core i5-8265U Comparison

FAQ

Q: How does the Intel Core i5-8265U compare to the Intel Core i5-7500 in overall average benchmark score?

A: The Core i5-8265U has an average benchmark score of 8568, while the Core i5-7500 scores 8208. Despite the i5-7500 winning more individual benchmark tests, the i5-8265U holds a higher aggregate average, likely due to its strong performance in specific workloads like integer math and data encryption.

Q: Which processor has the higher single-thread performance?

A: The Intel Core i5-7500 leads in single-thread performance. In Cinebench R23 single-core, it scores 724 versus 632 for the i5-8265U, a 12.7% advantage. PassMark single-thread scores also favor the i5-7500 at 2253 versus 2030, a 9.9% lead.

Q: Which processor wins in multi-threaded Cinebench tests?

A: The Intel Core i5-7500 wins all three Cinebench multi-core tests. In Cinebench R23 multi-core, it scores 5133 versus 4482 for the i5-8265U, a 12.7% difference. The i5-7500 also leads in R15 multi-core (517 vs 451) and R20 multi-core (2155 vs 1882).

Q: Does the i5-8265U ever beat the i5-7500 in a benchmark?

A: Yes, the i5-8265U wins in two of the seventeen head-to-head tests. It takes PassMark data encryption with 1961 versus 1817 (7.9% ahead) and PassMark integer math with 21560 versus 15768 (36.7% ahead).

Q: What are the core and thread configurations of each processor?

A: Both processors have 4 cores, but the i5-8265U has 8 threads thanks to Hyper-Threading, while the i5-7500 has 4 threads. This thread advantage does not translate into a multi-core win for the i5-8265U in this data.

Q: What is the market positioning of each chip?

A: The i5-8265U is a mobile processor with a 15 W TDP, using the Intel BGA 1528 socket and UHD Graphics 620. The i5-7500 is a desktop chip with a 65 W TDP, using the Intel Socket 1151 and HD 630 graphics. The i5-8265U is end-of-life, while the i5-7500 remains active.

Architecture Differences

The two processors come from different architectural families. The i5-8265U is built on Whiskey Lake, specifically the Whiskey Lake-U codename, while the i5-7500 is a Kaby Lake design. Both are manufactured on a 14 nm process at Intel, but the design priorities diverge sharply.

The i5-8265U is fundamentally a mobile part. Its base clock sits at 1600 MHz with a boost clock of 3.90 GHz, and its 15 W TDP reflects a power-constrained design. The i5-7500, by contrast, is a desktop processor with a base clock of 3.40 GHz and a boost clock of 3.80 GHz, consuming 65 W. The desktop chip runs at a much higher base frequency, while the mobile chip has a slightly higher boost ceiling.

Cache structures are identical on paper: 64 KB L1 per core, 256 KB L2 per core, and 6 MB shared L3. Both support DDR4 memory in dual-channel configuration with 38.4 GB/s bandwidth, and both lack ECC memory support. PCIe connectivity is also the same: Gen 3 with 16 lanes from the CPU.

The most significant architectural difference is threading. The i5-8265U supports 8 threads on its 4 cores, while the i5-7500 is limited to 4 threads. This makes the mobile chip the more flexible multithreading design on paper. Yet the benchmark data shows that the desktop chip's higher clocks and power headroom overcome that thread deficit in most workloads.

The integrated graphics differ: UHD Graphics 620 on the i5-8265U versus HD 630 on the i5-7500. The i5-8265U is a mobile BGA package, meaning it is soldered to the board, while the i5-7500 uses the socketed LGA 1151 platform. Neither chip has an unlocked multiplier.

The release timing also separates them. The i5-7500 launched in January 2017, while the i5-8265U arrived in September 2018. Despite being newer, the i5-8265U is already marked end-of-life, whereas the older i5-7500 is still listed as active production.

The Verdict

The data paints a clear picture for most workloads: the Intel Core i5-7500 is the stronger performer. It wins 15 of 17 head-to-head benchmarks, including every Cinebench test, all three PassMark single-thread entries, and most multi-threaded workloads. Its advantages range from a narrow 0.2% in random string sorting to a dominant 35.7% in prime number finding.

The i5-8265U is not without merit. Its 36.7% lead in integer math is the largest margin in either direction, and its 7.9% edge in data encryption shows that certain computational patterns favor the newer mobile architecture. Users who prioritize those specific workloads might prefer the i5-8265U.

For general productivity, rendering, and single-threaded applications, the i5-7500 is the better choice. The Cinebench R23 multi-core score of 5133 versus 4482 represents a 12.7% improvement that would be noticeable in sustained workloads. The i5-7500 also maintains higher single-thread scores across every test, which matters for everyday responsiveness.

The i5-8265U makes sense in a different context: mobile systems where the 15 W TDP and BGA socket are requirements. Its 8 threads and competitive average benchmark score of 8568 mean it is not a weak chip, but the desktop i5-7500 simply extracts more performance from its hardware in this dataset.

Specification Differences

The two processors differ in several key specifications. The i5-8265U has 4 cores and 8 threads, while the i5-7500 has 4 cores and 4 threads. Base clocks are 1600 MHz for the i5-8265U and 3.40 GHz for the i5-7500. Boost clocks are 3.90 GHz and 3.80 GHz respectively.

TDP is a major differentiator: 15 W for the i5-8265U versus 65 W for the i5-7500. The sockets are incompatible: Intel BGA 1528 for the mobile chip and Intel Socket 1151 for the desktop chip. The architectures differ as Whiskey Lake versus Kaby Lake, and the market segments are Mobile versus Desktop.

Integrated graphics are UHD Graphics 620 on the i5-8265U and HD 630 on the i5-7500. The production statuses differ: end-of-life for the i5-8265U and active for the i5-7500. The i5-8265U has a launch MSRP of $297; no launch MSRP is recorded for the i5-7500. Cache, memory support, memory bus, bandwidth, ECC status, and PCIe configuration are identical between the two.

Head-to-Head Benchmarks

The i5-7500 establishes its dominance early in the Cinebench suite. In Cinebench R15 multi-core, it scores 517 against 451, a 12.8% lead. Single-core R15 shows 72 versus 63, a 12.5% advantage. The pattern holds in R20 with 2155 versus 1882 (12.7%) and in R23 with 5133 versus 4482 (12.7%). Every Cinebench test lands within a narrow 12.5% to 12.8% band, suggesting a consistent clock-driven advantage.

PassMark results are more varied. The i5-7500 leads in extended instructions by a wide margin: 6971 versus 4904, a 29.7% gap. Its prime number finding score of 28 versus 18 represents a 35.7% edge, the largest win for the desktop chip. Physics tests favor the i5-7500 at 471 versus 405 (14% ahead), and multicore PassMark shows 6028 versus 5838, a 3.2% lead.

The i5-8265U's two wins are notable for their specificity. In integer math, it posts 21560 against 15768, a 36.7% advantage that is the single largest delta in the entire comparison. Data encryption goes to the i5-8265U with 1961 versus 1817, a 7.9% margin. These are not trivial workloads, and the mobile chip's wins suggest its architecture handles certain ALU-heavy tasks more efficiently.

Close calls appear in floating-point math and random string sorting. The i5-7500 wins floating-point 13174 versus 12963, a slim 1.6% margin. Random string sorting is nearly identical: 10134 versus 10117, a 0.2% difference. The i5-7500 also takes PassMark single-thread 2253 versus 2030 (9.9%) and data compression 83250 versus 76049 (8.6%).

Where Each One Wins

The i5-7500 is the pick for rendering, physics simulation, and general compute. Its Cinebench sweep across all three versions (R15, R20, R23) in both single-core and multi-core confirms strong all-around CPU performance. PassMark extended instructions and prime number finding are heavily in its favor, indicating that workloads relying on complex instruction sets and mathematical operations will run faster.

The i5-8265U's wins are concentrated in integer-heavy and encryption tasks. Its 36.7% integer math lead is substantial, and its data encryption advantage of 7.9% suggests that security-related workloads, hashing, or cryptographic operations could benefit from its newer architecture. These are meaningful niches, but they represent only two of seventeen benchmarks.

For mobile users, the i5-8265U has an inherent platform advantage: its 15 W TDP and BGA 1528 socket are designed for laptops and compact systems. Its average benchmark score of 8568 places it in the 64th percentile of all CPUs, exactly matching the i5-7500's percentile despite the desktop chip's higher individual test scores. The i5-7500's active production status and desktop socket make it the more conventional choice for a stationary build.

The i5-7500 is the better processor for anyone who needs maximum performance in the widest range of tasks. The i5-8265U is the better option for those who need a low-power mobile processor with strong integer and encryption performance, or who are constrained to a BGA platform. The data does not support a blanket recommendation for the newer chip; it wins where it wins, and the i5-7500 wins everywhere else.