Intel to launch Core i7-4850HQ and i7-4950HQ CPUs in Q3 2013

One of the most exciting features of Haswell microarchitecture is significantly improved GT3 graphics, that comes with twice as many execution units, and with a separate on-chip cache in some configurations. Intel projected that Haswell GT3 GPU will be up to 2 times faster than Ivy Bridge GT2. Unfortunately, we will not see GT3 units on desktop CPUs, or on mobile processors in PGA package. GT3 graphics will be available only in mobile BGA processors, and it will be branded differently depending on the presence of extra cache. The GT3 with the cache will be marketed as HD 5200, and cache-less GPU will be branded as HD 5000 or HD 5100. Haswell GT2 graphics will also have different names, possibly due to different maximum GPU operating frequency. While we don't know yet the difference between HD 5000 and 5100, or HD 4400 from HD 4600, we already know which mobile processors will have which GPU, thanks to information posted by VR-Zone China. Core i3-4005U, i3-4010U, i3-4100U, Core i5-4200U, i5-4200Y and Core i7-4500U will come with HD 4400 graphics processor. Core i5-4250U and Core i7-4550U will have HD 5000 unit. HD 5100 GPU will be on Core i3-4158U, Core i5-4258U, i5-4288U and Core i7-4558U microprocessors. Finally, Core i7-4850HQ and i7-4950HQ will feature HD 5200 iGPU.

The list, published by VR-Zone, contains 11 "U" ultra low-power processors, and one "Y" CPU with 11.5 Watt TDP. Specifications of these models are not known yet, however VR-Zone did post details of i7-4850HQ and i7-4950HQ parts. The "HQ" processors have 4 CPU cores, 6 MB L3 cache, and support all advanced technologies, such as Hyper-Threading, Turbo Boost, Trusted Execution and VT-d virtualization. Core i7-4850HQ and i7-4950HQ are clocked at 2.3 and 2.4 GHz respectively, and up to 3.5 and 3.6 GHz in single-threaded applications. The HD 5200 graphics unit on these chips is clocked at 200 MHz, and it has the same 1.3 GHz maximum frequency as mainstream 4800MQ/4900MQ SKUs. Despite lower base GPU speed, the processors should be faster in graphics tasks. Comparing specifications of "MQ" and "HQ" products in the table below, it is easy to see that higher HQ's graphics performance comes at the expense of slower CPU:

ModelCores /
Frequency /
Turbo Boost
Core i7-4800MQ 4 / 8 2.7 / 3.7 GHz 6 MB HD 4600 400 / 1300 MHz 47 Watt
Core i7-4850HQ 4 / 8 2.3 / 3.5 GHz 6 MB HD 5200 200 / 1300 MHz 47 Watt
Core i7-4900MQ 4 / 8 2.8 / 3.8 GHz 8 MB HD 4600 400 / 1300 MHz 47 Watt
Core i7-4950HQ 4 / 8 2.4 / 3.6 GHz 6 MB HD 5200 200 / 1300 MHz 47 Watt

Core i7-4850HQ and i7-4950HQ will be released late in Q3, possibly in October.

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