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Gigabyte GTX 750 GDDR5-1GB 2xDVI-I/DVI-D/2xHDMI OC Graphics Cards GV-N750OC-1GI
Gigabyte GTX 750 GDDR5-1GB 2xDVI-I/DVI-D/2xHDMI OC Graphics Cards GV-N750OC-1GI, by (Gigabyte), starting at $105.86



Home » Video
Gigabyte GeForce GTX 750 (GV-N750OC-1GI) Video Card Review
Author: Rafael Otto Coelho
Type: Reviews Last Updated: May 6, 2014
Page: 1 of 13
Introduction
Hardware Secrets Golden Award

We tested the Gigabyte GeForce GTX 750 (model GV-N750OC-1GI), a mainstream video card that uses a GPU based on the new Maxwell architecture from NVIDIA and has 1 GiB of GDDR5 memory, coming with a small factory overclock. Let’s see how good it performs.

The GeForce GTX 750 and the GTX 750 Ti are the first GPUs based on the new NVIDIA Maxwell architecture. According to NVIDIA, those two chips are aimed at the mainstream gamer market, due to their performance/Watt ratio, i.e. low power consumption compared to their performance. This means you can simply install one of them on your computer, with no worries about power consumption or heat dissipation, turning a basic computer into a gaming computer.

In the Maxwell platform, the GPU is comprised of building blocks that NVIDIA calls SMM, each one with 128 processing cores and further subdivided into four blocks, each one with independent auxiliary circuits such as instruction buffer, scheduler, and dispatch units. The only difference between the GTX 750 and GTX 750 Ti chips is that the GTX 750 has four SMM units (for a total of 512 cores) and the GTX 750 Ti has five SMM units, which means 640 cores in total. The GTX 750 was a TDP of 55 W and the 750 Ti has a TDP of 60 W. Both chips support the PCI Express 3.0 interface.

The standard clock for the GeForce GTX 750 is 1,020 MHz, with a turbo clock up to 1,085 MHz, and GDDR5 memory running at 5 GHz. With a 128-bit memory bus, the memory bandwidth is 80 GiB/s. However, the Gigabyte GV-N750OC-1GI comes with a small factory overclock: its GPU works at 1,059 MHz with a maximum turbo clock of 1,137 MHz (a 3.8% overclocking). The memory, on the other hand, is still accessed at 5 GHz.

For this review, we tested the card with its default clock and then re-tested it underclocked to the reference clock. We also tested an NVIDIA reference GeForce GTX 750 Ti card and the main competitor of the GTX 750, an AMD reference board for the Radeon R7 260.

Gigabyte GeForce GTX 750
click to enlarge
Figure 1:
The video cards used in this review

In the table below, we compare the main specifications for the video cards included in our review. The prices were researched at Newegg.com on the day we published this review and do not include rebates.

Video Card

Core Clock

Turbo Clock

Memory Clock (Effective)

Memory Interface

Memory Transfer Rate

Memory

Shaders

DirectX

Price

Gigabyte GV-N750OC-1GI

1,059 Mhz

1,137 MHz

5.0 GHz

128-bit

80.0 GB/s

1 GiB GDDR5

512

11.2

USD 120

GeForce GTX 750

1,020 MHz

1,085 MHz

5.0 GHz

128-bit

80.0 GB/s

1 GiB GDDR5

512

11.2

USD 120

GeForce GTX 750 Ti

1,020 MHz

 1,085 MHz

5.4 GHz

128-bit

86.4 GB/s

1 GiB GDDR5

640

11.2

USD 150

Radeon R7 260

1,000 MHz

 -

6.0 GHz

128-bit

96.0 GB/s

1 GiB GDDR5

768

11.2

USD 120

You can compare the specs of these video cards with other video cards by taking a look at our “AMD ATI Chips Comparison Table” and “NVIDIA Chips Comparison Table” tutorials.

Now let’s take an in-depth look at the Gigabyte GV-N750OC-1GI.

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