![]() The Surface Pro was AC powered and set to "best performance" to ensure maximum processor output. The question of whether Microsoft is purposefully limiting the Core i5 on the fanless Surface Pro is a valid one.ĭuring a stress test using Intel's Extreme Tuning Utility (XTU) app, the Surface Pro with Core i5 processor ran for 30 minutes at 100 percent utilization. The flipside to benchmarks like Geekbench, which has only a short duration, is prolonged duress to the processor to see how heat affects performance. Surface Pro Core i5 stress test and throttling Those concerned that the fanless Surface Pro is underperforming to stay below thermal limits can be assured that not only is that not the case, but in fact the Pro is faster than the Surface Laptop with a Core i5 configuration. Overall, performance with the Surface Pro Core i5 is outstanding and significantly better than the same Surface Pro 4 configuration even without a fan. In short, the more storage you get, the faster the drive's benchmarks. SSDs scale in speed as storage size increases due to the parallel nature of multiple NAND chips and we see that here. The speeds here are slower than the Core i7 model due to it being a 256GB drive versus 512GB. That's good news because the PM971, while not the fastest SSD on the market, ranks rather highly in performance and is certainly much quicker than the Surface Laptop. Microsoft is using the same Samsung PM971 (KUS030202M) SSD as the Core i7 variant in the Core i5 model too. Geekbench 4.0 benchmarks (higher is better) Taking a closer look at Geekbench 4.0, which is a short-duration (~3 minute) CPU-intensive test, we can see how well the new Core i5-7300U holds up compared to its siblings. Core i7: Comparing performance and battery lifeīefore we dive into the thermals, here are raw benchmarks to see how the Core i5 Surface Pro compares to other Surfaces. ![]() ![]() Nonetheless, for a passively cooled system, Microsoft's Surface Pro with Core i5 does quite well. Like all laptops and mobile PCs, there is some degree of power throttling (which is different from CPU thermal throttling) to keep the magnesium chassis of the Surface from getting too hot.
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