EVGA GeForce GTX 650 1GB review

October 4, 2012 | 09:44

Tags: #geforce #geforce-gtx-650 #hd-7750

Companies: #evga #nvidia

EVGA GeForce GTX 650 1GB - Overclocking

The lack of of boost technology on the GTX 650 meant that in theory the card should have a fair amount of headroom for manual overclocking, since it's built on the same architecture as the higher end cards that do support it. This, combined with the very low TDP of the GTX 650, along with its dedicated PCI-E connector and more than adequate phase power, left us hopeful that there was still a lot of juice to be squeezed from this particular fruit.

Before the card became unstable, we were able to add 220MHz to the base clock and 75MHz (300MHz effective) to the memory clock, for a stable overclock of 1,278MHz for the core clock speed and 1.325GHz (5.3GHz effective) for the memory. In order to achieve this, we raised the stock voltage of 1113mV to 1138mV. This equates to a whopping 20% increase in the core clock speed, as well as a 6% boost for the memory, which are certainly impressive figures for such a low power GPU. To test the impact of our efforts, we re-ran the Unigine Heaven benchmark as well as our 1,920 x 1,080 for Battlefield 3 test.

Overclocking - Battlefield 3

1,920 x 1,080 4xAA 16x AF, ultra detail settings, DirectX 11

  • AMD Radeon HD 7850 2GB
  • Nvidia GeForce GTX 650 1GB (OC)
  • AMD Radeon HD 7770 1GB
  • Nvidia GeForce GTX 650 1GB
  • AMD Radeon HD 7750 1GB
    • 35
    • 44
    • 24
    • 29
    • 23
    • 28
    • 20
    • 25
    • 17
    • 22
0
10
20
30
40
Frames Per Second
  • Minimum
  • Average

Overclocking - Unigine Heaven 3.0 Benchmark

1,920 x 1,080 4xAA 16xAF

  • AMD Radeon HD 7850 2GB
  • AMD Radeon HD 7770 1GB
  • Nvidia GeForce GTX 650 1GB (OC)
  • Nvidia GeForce GTX 650 1GB
  • AMD Radeon HD 7750 1GB
    • 1081
    • 691
    • 684
    • 582
    • 536
0
250
500
750
1000
Score
  • Score

Read our performance analysis on the next page.
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