It has 2 GB GDDR5 video memory, a 128-bit memory interface, 640 shader units and a clock of up to 775 MHz. ![]() The Cape Verde chip of our review unit is displayed as R9 M270x. The hardware of the AMD FirePro M5100 seems to be very similar to the AMD Radeon R9 M270 when we look at the specifications. However, the latter cannot drive the high resolution of the QHD+ display, so it is deactivated in our review configuration. The dedicated GPU is principally complemented by the Intel HD Graphics 4600, which is integrated into the processor. The HP ZBook 15 G2 uses the AMD FirePro M5100, which is an upper mainstream GPU. The revisited HP ZBook G2-series now also features graphics solutions from AMD. Cinebench R11.5 (64-bit, multi), for example, only determined 5.43 instead of 6.87 points. You have to live with a CPU performance drop of 20 up to 25% on battery power in general. This value can be maintained even after two hours. Under sustained load, the CPU reduces its clock from 3 GHz at the start to 2.5 - 2.6 GHz after 20 minutes. Cinebench R15 64-bit, for example, determines 651 points (multi) and 136 points (single), respectively. The benchmark results are on the expected level and confirm that this CPU is a convenient performance all-rounder. The maximum clock of 3.5 GHz also ensures a good performance when the software can only utilize one of the cores. Four cores that can execute up to eight threads simultaneously thanks to Hyper-Threading ensure a good distribution of the processing load in multi-thread optimized scenarios. HP's online configurator actually lists the quad-core CPU for 62 Euros (~$76) less than the dual-core alternative Intel Core i5-4340M, which is pretty much an entry-level solution. Intel's quad-core processor Core i7-4710MQ is used in many notebooks, which is a result of its good combination of performance and price. For the sake of completeness we want to mention that all saturation levels stay within their according target areas and don't reveal any issues. If the primary colors are good, the result cannot be bad for the ColorChecker, where the DeltaE 2000 value is sensationally low with 0.55. Blue and red show the biggest DeltaE 2000 deviations with 2.04 and 1.80, respectively, but they are still below the value where the human eye can see the difference. Calibration clearly improves the results for the primary colors with DeltaE 2000 deviations under 3. The grayscale performance manages an excellent DeltaE 2000 deviation of 0.37, the RGB balance does not really show any problems and the gamma curve is almost perfect. The calibrated panel shows a very good potential with a very accurate presentation of the colors. Users in the picture-editing business will probably calibrate the display anyway. Subjectively, the presentation is balanced and should therefore be suited for many scenarios. ![]() The other measurements are already pretty good ex-works. Both things together are, unfortunately, neither available at HP nor any other manufacturer at this time. Here you will have to decide whether you prefer a very fine resolution or the wider color gamut. ![]() AdobeRGB, however, is only covered by 60%, which is a significant difference compared to the previously reviewed DreamColor display (95%) with RGB LEDs. This is also supported by the pretty wide color gamut since the panel covers 82% of the sRGB color space. The contrast reaches a very good value of 1,192:1, which results in a deep black and vivid colors. A correspondingly pre-configured version is currently not available. The price of our review unit in HP's online configurator is currently around 2,600 Euros (~$3222, gross). Our current review device is equipped with Intel's Core i7-4710MQ, 8 GB RAM, a 750 GB hard drive, AMD's professional FirePro M5100 GPU and a matte QHD+ display. The according information is available in the main review of the HP ZBook 15 and additional information about features, for example, the DreamColor display, in the first review update. Nothing really changed in terms of the chassis, the port layout and the input devices, so we won't cover these unchanged sections. However, the main reasons for the current review update are the new components like the high-resolution QHD+ display and AMD's FirePro M5100 GPU. First of all, the manufacturer runs very long product cycles for its mobile workstations and the possible configurations are so diverse that even those three reviews only allow a brief glimpse into the possibilities of the series. This is already the third version of the HP ZBook 15 in our editorial office. ![]() For the original German review, see here.
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