A Trio From HIS: 7970 IceQ X² GHz Edition, 7950 IceQ X² Boost Clock And 7850 IceQ Turbo X Graphics Cards Review (Part 5)

4/1/2013 11:45:01 AM

We have two alilke HIS 7850 IceQ Turbo X cards in our testing experiments. Being designed like the package of senior products from HIS, this product’s package provides information about the graphics card and the supported technologies.

The front/back box design

The front/back box design

The box content is the same, except the good graphics card. The price of HIS 7850 IceQ Turbo X is $ 200, more expensive than other normal Radeon HD 7850 products, but HIS version has many advantages which we will reveal now.

The original cooler covers PBC’s surface and goes out its dimension even.

Covering PBC’s surface

Covering PBC’s surface

The card size is 297x140x44 mm. However, it is thin in the middle area while the position of cooling fan is 50mm thicker.

Thus, HIS 7850 IceQ Turbo X can only be used in CrossFireX configuration with the gap of at least two expansions from other graphics cards. You should take this into account if you want to use it in a CrossFireX tandem.

Like every other Radeon HD 7850, HIS 7850 IceQ Turbo X is equipped with a MIO connection to build up CrossFireX configuration.

The producer has set up the power system again, so the card is not only equipped one but two 6-pin power connections. Its power consumption is regulated at 150W. One PSU 500W or better is recommended for a computer with one HIS 7850 IceQ Turbo X inside.

If you have found some Radeon HD 7870 and HD 7850, you can realize that HIS 7850 IceQ Turbo X uses the 5+1+1-phase power of HD 7870 (GPU+ memory+ PLL) whereas the reference HD 7850 is one GPU power phase fewer. It also has DrMOS MOSFET high-quality features with the upgraded useful life.

The 5+1+1 phase power system

The 5+1+1 phase power system

The power system is managed by a CHiL Semiconductor CHL8225G controller.

The Pitcairn XT chip is 212mm2 in size. It was produced in Taiwan in the 34th week of 2012.

The Pitcairn XT chip

The Pitcairn XT chip

HIS 7850 IceQ Turbo X was pre-overclocked at the GPU frequency of 1000MHz (+140MHz or 16.3%). According to our monitoring tools, the GPU voltage was 1.075V and 0.806V respectively in 3D mode and 2D mode. The clock rate also decreased to 300MHz in 2D applications.

The card is equipped with the W2032BBBG-50-F memory chip which we have seen in HIS 7950 IceQ X² Boost Clock.

At the clock rate of 4800MHz, they provide a bandwidth of 153.6 GB/s via a 256-bit bus.

The bandwidth of 153.6 Gb/s via a 256-bit bus

The bandwidth of 153.6 Gb/s via a 256-bit bus

Beside an integrated PCB and a pre-overclocked CPU, HIS 7850 IceQ Turbo X features the original cooler HIS IceQ.

It consists of a 115x94mm base, four nickel-plated heat pipes which are soldered to aluminum fins (two central pipes are 8mm in diameter and the other two are 6mm in diameter) and a plastic shell with a radial fan.

The plastic shell is designed to let the air go through the heatsink and then go out of the system case, cooling the card’s circuitry

The orientating fan is 58mm in diameter. It is evaluated to have the useful life up to 50000 hours. Its speed is PWM-regulated in the range of 1000 and 3150 RPM.

The cooler deals well with the pre-overclocked HIS 7850 IceQ Turbo X

The auto fan mode

The maximum speed mode

When the fan automatically adjusts, its speed reached 1670 while GPU was not hotter than 56°C. At the peak speed of 3150 RPM, the temperature was lower than 10°C. Replacing the default interface with ARCTIC MX-4 helped us to decrease the thermal some degrees more in each mode.

The auto mode

The maximum speed mode

The HIS IceQ cooler is really impressive. It just needs one more overclocked GPU. Thus, we guess this is the right time to mention the HIS iTurbo exclusive features which are also very helpful for overclocking, supervising and graphics cards managing.

We used 1.3.1 version, the newest that is available on 19/11/2012. HIS iTurbo has four tabs in its main window. The info tab provides information about graphics cards, including serial number. The Overlook tab is where you can increase the GPU of the card and memory frequency as well as Power Limit parameter and core voltage.

Info tab

Overlook tab

Moreover, you can also create four overclocked files and quickly activate them anytime you want.

The Fan Control tab is for setting up the fan speed and monitoring that speed as well as the temperature.

Fan Control tab

Setting tab

The last tab of iTurbo provides selections for the rest settings, including selection to activate the power-saving UPLS mode (HIS recommends to do so if you overclock your card)

We tried to overclock two models of HIS 7850 IceQ Turbo X card using iTurbo and found out that they were the same in the frequencies of memory. We managed to increase them up to 5750MHz. The GPUs were stable at 1090 and1035MHz.



That does not mean too much overclocked, especially when GPU clock rate of the first card can be reduced 20MHz to prevent visual phenomenon.

The temperature of the card does not change much when being overclocked.


·         Graphic processor: “Pitcairn” (TSMC)

·         Production process: 28nm (low-k)

·         Mold size: 212mm2

·         Transistor: 2800mln

·         GPU frequency: 3D (1000MHz), 2D (300MHz)

·         GPU voltage: 1.075V (3D), 0.806V (2D)

·         Unified shader processor: 1024

·         Texturing unit: 80

·         Rasterization: 32 (ROPs)

·         The maximum theoretical filling rate: 32 (Gpixel/s)

·         Texture rate: 64 (Gtexel/s)

·         Pixel shader/ Peek shader: 5.0/5.0

·         Supportive memory type: GDDR5

·         Frequency of video memory: 4800MHz (3D), 600MHz (2D)

·         Memory capacity: 2048MB

·         Momery bus: 256 bit

·         Memory bandwidth: 153.6 GB/s

·         Maximum power consumption: 150W (3D), 20/3W (2D)

·         PSU requirement: 500W

·         Reference PCB size (D x R x S): 297x140x44 mm

·         Interface: PCI- Express x16 (v3.0)

·         Output: 1DVI (Dual-link), 1 HDMI, 2 DisplayPort mini

·         Retail Price: $200


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