Intel Core i7-3517UE

The Intel Core i7-3517UE lands in the 18th percentile of all CPUs tracked, a position that clearly defines it as a low-power mobile part built for efficiency rather than raw throughput. With an average benchmark score of 697, it sits at the very edge of the mainstream desktop performance tier, but its dual-core, four-thread configuration under a 17W TDP tells the real story. This is a processor engineered for thin-and-light laptops from the Ivy Bridge era, and the data confirms it trades heavily on sustained battery life and thermals over computational muscle.

Single-Thread vs Multi-Thread Behavior

The split between single-thread and multi-thread performance is stark and revealing. In Cinebench R23, the chip scores 286 points in single-core and 2026 points in multi-core. That multi-core figure is roughly 7.1 times the single-core score, which is an unusually high ratio for a dual-core part. The reason lies in the modest 1.70 GHz base clock and the 2.80 GHz boost clock; the processor relies on aggressive turbo behavior to lift single-threaded tasks, but sustained all-core loads push power and thermal limits hard. The multi-core advantage over the single-core result is actually inflated by the low absolute numbers, not by impressive scaling.

In real workloads, this means the i7-3517UE handles bursty, latency-sensitive tasks—like opening applications, scrolling through documents, or light web browsing—far better than its core count suggests. The 2.80 GHz boost clock is respectable for a 17W part, giving it enough single-thread responsiveness to feel snappier than many older quad-core desktop chips. However, when the workload saturates both cores, as in video encoding or complex spreadsheet recalculation, the performance collapses. The Cinebench R20 multi-core score of 850 and single-core score of 120 reinforce this pattern: the single-core result is just 14% of the multi-core figure, which is typical for a chip that cannot sustain high clocks across both cores simultaneously.

The architecture is Intel's Ivy Bridge on a 22 nm process, with 64 KB of L1 cache per core, 256 KB of L2 per core, and 4 MB of shared L3 cache. That L3 pool is generous for the era and helps mitigate the dual-core penalty in mixed workloads, but it cannot compensate for the lack of physical cores. Office productivity suites that are lightly threaded will feel adequate, yet any application that scales beyond two threads will expose the hardware's limitations.

Power and Thermals

The 17W TDP is the defining specification of the i7-3517UE. This is a ultra-low-power part, squarely in the class of processors designed for fanless or near-silent ultrabooks, where cooling is minimal and chassis thickness is prioritized. The thermal design point implies that a simple heat pipe with a small, low-speed fan—or even a passive heatsink in a well-ventilated chassis—is sufficient. No liquid cooling, no oversized tower coolers, and no high-RPM fans are warranted here.

The 22 nm process node from Intel helps keep leakage current low, which is critical for maintaining that 17W envelope under boost. The 118 mm² die size is compact, further reducing thermal density. The unlocked multiplier is false, so there is no headroom for enthusiast overclocking; the chip is locked to its specified clocks. The integrated graphics is Intel HD 4000, which shares the thermal budget and adds to the total package heat, meaning sustained CPU+GPU loads will quickly hit the power ceiling. Benchmark results indicate that the processor rarely sustains its boost clock under multi-threaded load, as the power manager prioritizes keeping the package within the 17W limit.

For cooling tier, this is the entry-level mobile segment: a thin heatsink with a small blower fan is adequate. The data does not suggest any exotic cooling requirements, but it also means the chip is unsuitable for any chassis with constrained airflow, as the low TDP does not excuse poor thermal design—it simply lowers the threshold for throttling.

How It Compares

AMD Athlon II X4 645: The i7-3517UE is 0.3% ahead of this older quad-core AMD part in average score (697 vs 695). This is a statistical tie, but it is remarkable that a 17W dual-core mobile chip matches a 95W-class desktop quad-core from the same era. The AMD part has two more physical cores, yet the Intel chip's superior IPC and boost clock compensate fully. In single-threaded tasks, the i7-3517UE would win decisively, but in heavily threaded workloads, the Athlon's extra cores would pull ahead.

Intel Core i5-2540M: The i7-3517UE trails by 0.4% (697 vs 700). This is essentially identical performance, but the i5-2540M is a 35W part with a higher base clock and no ultra-low-power constraints. The i7's 17W TDP achieves the same average score while consuming half the power, which indicates the Ivy Bridge architecture's efficiency advantage over the older Sandy Bridge design. In sustained multi-core loads, the i5 likely holds higher clocks, but the benchmark averages wash out that difference.

Intel Core i7-3537U: Another 0.4% deficit (697 vs 700). This is the closest rival in terms of positioning: both are 17W Ivy Bridge dual-core parts. The i7-3537U has a slightly higher base clock, which explains the marginal edge in average score. The i7-3517UE's lower base clock (1.70 GHz vs likely higher) means it relies more on boost, which may cause more frequent throttling in poorly cooled chassis. For practical purposes, they are interchangeable in performance.

AMD FX-7600P: The i7-3517UE is 0.6% behind (697 vs 701). The FX-7600P is a quad-core AMD part with a much higher TDP, yet the Intel chip nearly matches it in average score. This underscores the i7-3517UE's strong per-core efficiency. The FX-7600P would win in multi-threaded tests, but the i7-3517UE's single-thread lead likely offsets that in the aggregate benchmark, which includes both single and multi-core tests.

FAQ

Q: What is the TDP of the Intel Core i7-3517UE?

A: The TDP is 17 watts, classifying it as an ultra-low-power mobile processor.

Q: How many cores and threads does it have?

A: It has 2 physical cores and 4 threads via Hyper-Threading.

Q: What is the boost clock speed?

A: The boost clock is 2.80 GHz, while the base clock is 1.70 GHz.

Q: Does it support ECC memory?

A: No, ECC memory is not supported.

Q: What integrated graphics does it include?

A: It includes Intel HD 4000 integrated graphics.

Q: What is its average benchmark score compared to the AMD Athlon II X4 645?

A: The i7-3517UE scores 697, which is 0.3% higher than the Athlon II X4 645's 695.

Who Should Consider It

The i7-3517UE is for users whose primary workload is light, bursty, and latency-sensitive. The 286 single-core score in Cinebench R23 indicates that everyday productivity—word processing, spreadsheet navigation, email, web browsing with a few tabs—will feel responsive enough for a machine from the 2012 era. The 2.80 GHz boost clock is the saving grace, as it delivers quick response times for single-threaded interactions that dominate office software.

Gaming is not a realistic use case beyond very old or casual titles. The integrated HD 4000 graphics and dual-core CPU will struggle with any modern 3D game, and the 2026 multi-core score in R23 confirms that CPU-bound game logic will bottleneck. Even esports titles from that period would require low settings and resolutions. This chip is not for gamers, even casual ones.

Content creation is equally unsuitable. Video rendering, photo batch processing, and 3D modeling all require sustained multi-core performance, which the 850 R20 multi-core score shows is severely limited. A dual-core part with a 17W TDP will throttle under these loads, producing long render times and potential system sluggishness. For users who occasionally edit a short clip or resize a few images, it will suffice, but anything professional-grade is out of the question.

Office and administrative workers using a legacy laptop with this chip will find it adequate for their needs, provided they keep expectations low. The 18th percentile ranking means it outperforms only the bottom 18% of all CPUs, so it is near the entry level of usable performance. It is a good fit for a secondary machine, a classroom laptop, or a basic point-of-sale terminal where the workload is trivial.

Platform and Compatibility

The i7-3517UE uses the Intel BGA 1023 socket, which means it is soldered to the motherboard and cannot be upgraded. This is a critical limitation: the processor is permanently attached, so any future performance improvement requires a full system replacement. The platform is based on the Ivy Bridge architecture, which is a 22 nm process from Intel.

Memory support is dual-channel, though the FACT PACK does not list specific DDR3 speeds or capacities. The lack of ECC support further confirms its consumer mobile positioning. The integrated graphics is Intel HD 4000, which shares system memory for its frame buffer, so dual-channel memory configuration is essential for acceptable graphics performance—single-channel would halve memory bandwidth and further degrade an already weak GPU.

There is no PCIe information in the FACT PACK, so expansion options cannot be quantified. The upgrade path is effectively nonexistent due to the BGA socket. Users are locked into the original configuration. The part number is SR0T6, and the release date is June 2, 2012, marking it as an early Ivy Bridge mobile offering. The market segment is Mobile, which aligns with its low TDP and soldered design.

Benchmark Performance

The benchmark data paints a consistent picture of a chip that is adequate but unremarkable. In Cinebench R15 multi-core, it scores 204, which is a low figure even by 2012 standards—most desktop quad-cores of that era scored above 400. The R20 multi-core score of 850 and R23 multi-core score of 2026 show linear scaling with the newer tests, but the absolute values remain at the bottom of the modern CPU spectrum. The single-core scores of 120 (R20) and 286 (R23) are similarly modest, though they represent a smaller gap to the competition than the multi-core numbers.

The deltaPct data against rivals is telling. The i7-3517UE is within 0.6% of all four nearest rivals, which means it is statistically indistinguishable from them in average score. However, the nature of those rivals varies: two are older dual-core mobile parts (i5-2540M, i7-3537U), one is a desktop quad-core (Athlon II X4 645), and one is a mobile quad-core (FX-7600P). The fact that a 17W dual-core chip matches a 95W desktop quad-core is a testament to Ivy Bridge's IPC advantage, but it also means the i7-3517UE has no performance headroom. It is at the exact boundary where any workload heavier than basic office use will expose its limitations.

The average benchmark score of 697, combined with the 18th percentile ranking, places this processor in the lowest fifth of all CPUs. That ranking is the single most useful metric: it tells potential users that this chip is slower than roughly 82% of all processors ever tested. For a 2012 mobile part, that is expected, but for anyone considering it today, it is a clear warning that performance will be a bottleneck. The data does not support any use case beyond light, intermittent computing.