Running both Prime95 and FurMark simultaneously will throttle to GPU down to just 519 MHz while the CPU runs unabated at a higher 3.3 GHz. With that said, our measurements on the 4K UHD XPS 15 9560 are nearly identical to last year's 4K UHD XPS 15 9550, so not much has improved on the already excellent display. This appears to occur whenever GPU temperature reaches 73 C likely to avoid damaging adjacent components. When compared to the XPS 15 9550, the 9560 has updated both the Skylake CPU and Maxwell GPU to the appropriate Kaby Lake and Pascal processors. The display backlight flickers at 961.5 Hz (Likely utilizing PWM) . Users can't mix and match CPUs or GPUs with certain displays or storage capacities as the SKU selection is fixed. The frequency of 961.5 Hz is quite high, so most users sensitive to PWM should not notice any flickering. Once removed, users will have easy access to both DDR4 SODIMM slots and either one storage slot or two depending on the configuration. Variable GPU clock rates above the base clock rate are common on gaming notebooks when running the latest titles. Tactile feedback could have been stronger, however, though this is a minor complaint. The trackpad, carbon fiber palm rests, and black plastic keys all attract fingerprints and grease very easily. It's worth noting that the i5-7300HQ in the lower-end XPS 15 SKU is almost 50 percent slower than our i7 configuration in multi-threaded workloads. Some nitpicks about the UHD display are its average response times and some very slight backlight bleeding on the bottom edge of the screen on our test unit. In our review of the Kaby Lake XPS 9360, we mentioned that the performance and battery life advantages over the Skylake XPS 9350 are so minuscule that users may want to consider saving a few hundred Dollars by purchasing the older model instead. Jumping from the Haswell i7-4700HQ to the i7-7700HQ will net performance gains of 20 percent and 30 percent in single- and multi-threaded workloads, respectively. We retested the speakers with the MaxxAudio Pro equalizer enabled and this greatly increased both the frequency range and maximum volume of the internal speakers as shown below. If the extra graphics performance isn't needed, then the entry-level 9560 SKU or even an older 9550 will be easier on the wallet. frequency)Mids 400 - 2000 Hz(+) | balanced mids - only 2.4% away from median(+) | mids are linear (5.5% delta to prev. When under Prime95 stress, the system is able to maintain a Boost clock rate of 3.1 GHz or 300 MHz above its base clock rate and at a steady core temperature of 74 C. Running FurMark will cause the Nvidia GPU to cycle between ~532 MHz and ~1481 MHz. This range is still above the base 1354 MHz core clock of the GPU, so heavy throttling is not observed. The ports are otherwise easy to reach, though they are quite close to one another. Tested games perform 40 to 50 percent faster on the new XPS 15 9560 compared to the older XPS 15 9550. A notable feature of last year's XPS 15 was its GTX 960M, which still remains quite the powerful GPU for a multimedia class notebook. A thick HDMI cable, for example, can potentially block access to the adjacent USB port on the left edge of the system. The XPS 15 is not necessarily the lightest 15-inch notebook either as the discrete Nvidia graphics solution is noticeably more powerful and demanding than what competing multimedia notebooks have to offer. The screen shows slow response rates in our tests and will be unsatisfactory for gamers. Both the CPU and GPU stabilize at 80 C and 73 C, respectively, after a full hour of running Witcher 3 on 1080p Ultra settings. See our dedicated CPU page on the i7-7700HQ for more technical information and benchmark comparisons. In this case, the matte FHD SKU is preferred over the 4K UHD SKU when outdoors.