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Gaming Performance Comparison

Recommended System Requirements
Game GeForce GTX 660 Gigabyte OC 2GB Edition SLI GeForce GTX 660 Ti 3-way SLI
Cyberpunk 2077 28% 7%
Hitman 3 66% 20%
Assassins Creed: Valhalla 17% 15%
The Medium 59% 16%
Resident Evil 8 28% 7%
FIFA 21 36% 53%
Call of Duty: Black Ops Cold War 13% 18%
Grand Theft Auto VI 80% 30%
Genshin Impact 28% 7%
Far Cry 6 85% 34%

In terms of overall gaming performance, the graphical capabilities of the Nvidia GeForce GTX 660 Ti 3-way SLI are significantly better than the Nvidia GeForce GTX 660 Gigabyte OC 2GB Edition SLI.

The GTX 660 has a 118 MHz higher core clock speed than the GTX 660 Ti, but the GTX 660 Ti has 176 more Texture Mapping Units than the GTX 660. As a result, the GTX 660 Ti exhibits a 142.1 GTexel/s better Texture Fill Rate than the GTX 660. This still holds weight but shader performance is generally more relevant, particularly since both of these GPUs support at least DirectX 10.

The GTX 660 has a 118 MHz higher core clock speed than the GTX 660 Ti, but the GTX 660 Ti has 24 more Render Output Units than the GTX 660. As a result, the GTX 660 Ti exhibits a 16.3 GPixel/s better Pixel Fill Rate than the GTX 660. However, both GPUs support DirectX 9 or above, and pixeling performance is only really relevant when comparing older cards.

The GTX 660 was released less than a year after the GTX 660 Ti, and so they are likely to have similar driver support for optimizing performance when running the latest games.

Both GPUs exhibit very powerful performance, so it probably isn't worth upgrading from one to the other, as both are capable of running even the most demanding games at the highest settings.

The GTX 660 Ti has 2048 MB more video memory than the GTX 660, so is likely to be much better at displaying game textures at higher resolutions. This is supported by the fact that the GTX 660 Ti also has superior memory performance overall.

The GTX 660 Ti has 144.2 GB/sec greater memory bandwidth than the GTX 660, which means that the memory performance of the GTX 660 Ti is massively better than the GTX 660.

The GeForce GTX 660 Gigabyte OC 2GB Edition SLI has 1920 Shader Processing Units and the GeForce GTX 660 Ti 3-way SLI has 4032. However, the actual shader performance of the GTX 660 is 2108 and the actual shader performance of the GTX 660 Ti is 3951. The GTX 660 Ti having 1843 better shader performance and an altogether better performance when taking into account other relevant data means that the GTX 660 Ti delivers a massively smoother and more efficient experience when processing graphical data than the GTX 660.

The GeForce GTX 660 Gigabyte OC 2GB Edition SLI requires 260 Watts to run and the GeForce GTX 660 Ti 3-way SLI requires 450 Watts. We would recommend a PSU with at least 600 Watts for the GTX 660. The GTX 660 Ti requires 190 Watts more than the GTX 660 to run. The difference is significant enough that the GTX 660 Ti may have an adverse affect on your yearly electricity bills in comparison to the GTX 660.

Game FPS Benchmarks On Ultra

GPU Architecture

Core Speed1033 MHzvs915 MHz
Boost Clock1098 MHzvs980 MHz
ArchitectureKepler GK106-400-A1 (x2)Kepler GK104-200-KD-A2 (x3)
OC Potential Poor vs Good
Driver Support Good vs Good
Release Date01 Sep 2012vs01 Aug 2012
GPU LinkGD LinkGD Link
Approved
Comparison

Resolution Performance

1366x768 - green tick vs green tick -
1600x900 - green tick vs green tick -
1920x1080
9.3
vs green tick
10
2560x1440 - green tick vs green tick -
3840x2160 - green tick vs green tick -

GPU Memory

Memory4096 MBvs6144 MB
Memory Speed1502 MHzvs1502 MHz
Memory Bus384 Bitvs576 Bit
Memory TypeGDDR5vsGDDR5
Memory Bandwidth288.4GB/secvs432.6GB/sec
L2 Cache 768 KB vs green tick 1152 KB
Delta Color Compression no vs no
Memory Performance 0% green tick vs green tick 0%
Comparison

GPU Display

Shader Processing Units1920vs4032
Actual Shader Performance100%vs100%
Technology28nmvs28nm
Texture Mapping Units160vs336
Texture Rate165.3 GTexel/svs307.4 GTexel/s
Render Output Units48vs72
Pixel Rate49.6 GPixel/svs65.9 GPixel/s
Comparison

GPU Outputs

Max Digital Resolution (WxH)4096x2160vs4096x2160
VGA Connections0vs0
DVI Connections2vs0
HDMI Connections1vs0
DisplayPort Connections-vs-
Comparison

GPU Power Requirements

Max Power260 Wattsvs450 Watts
Recommended PSU600 Watts & 42 Amps-

GPU Features

DirectX12.0vs12.0
Shader Model5.0vs5.0
Open GL4.5vs4.5
Open CL-vs-
Notebook GPUnono
SLI/Crossfirenovsyes
Dedicatedyesvsyes
Comparison

GPU Supporting Hardware

Recommended ProcessorIntel Core i5-3470 3.2GHzvsIntel Core i5-3570K 3.4GHz
Recommended RAM8 GBvs8 GB
Maximum Recommended Gaming Resolution1920x1080vs1920x1080

Gaming Performance Value

Performance Value

GPU Mini Review

Mini ReviewThe SLI setup of GeForce GTX 660 Gigabyte OC 2GB Edition.GeForce GTX 660 Ti 3-way SLI is a solution of three GeForce GTX 660 Ti put together using NVIDIA'S SLI technology.
Check the page of GeForce GTX 660 Ti to know more about its chip.
As usual, SLI relies a lot on proper driver support and may suffer from micro-stuttering in lower frame rates (below 30). Benchmarks indicate the performance is overall, is up to X% better than a single GeForce GTX 660 Ti performing by itself but at times (depending whether or not the 3D game supports SLI or in the graphics driver) it performed worse than a single GeForce GTX 660 Ti. Expect this combination to draw up to 450 Watt though the average power consumption should be slightly lower.
Even the most demanding games will run at the highest settings.
Recommended CPU
Possible GPU Upgrades
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GPU Variants
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