7
5
Select any two GPUs for comparison
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Gaming Performance Comparison

Recommended System Requirements
Game GeForce GTX 780 MSI Lightning Edition GeForce GTX 660 Ti
Cyberpunk 2077 55% 158%
eFootball PES 2020 23% 28%
Call of Duty: Modern Warfare 55% 158%
Grand Theft Auto VI 72% 187%
Control 98% 229%
Borderlands 3 19% 98%
Total War: Three Kingdoms 59% 165%
Red Dead Redemption 2 55% 158%
FIFA 20 40% 0%
Wolfenstein: Youngblood 7% 77%

In terms of overall gaming performance, the graphical capabilities of the Nvidia GeForce GTX 780 MSI Lightning Edition are significantly better than the Nvidia GeForce GTX 660 Ti.

The GTX 780 has a 65 MHz higher core clock speed and 80 more Texture Mapping Units than the GTX 660 Ti. This results in the GTX 780 providing 85.7 GTexel/s better texturing performance. This still holds weight but shader performance is generally more relevant, particularly since both of these GPUs support at least DirectX 10.

The GTX 780 has a 65 MHz higher core clock speed and 24 more Render Output Units than the GTX 660 Ti. This results in the GTX 780 providing 25 GPixel/s better pixeling performance. However, both GPUs support DirectX 9 or above, and pixeling performance is only really relevant when comparing older cards.

The GTX 780 was released over a year more recently than the GTX 660 Ti, and so the GTX 780 is likely to have better driver support, meaning it will be more optimized for running the latest games when compared to the GTX 660 Ti.

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 780 has 1024 MB more video memory than the GTX 660 Ti, so is likely to be much better at displaying game textures at higher resolutions. This is supported by the fact that the GTX 780 also has superior memory performance overall.

The GTX 780 has 144.2 GB/sec greater memory bandwidth than the GTX 660 Ti, which means that the memory performance of the GTX 780 is massively better than the GTX 660 Ti.

The GeForce GTX 780 MSI Lightning Edition has 2304 Shader Processing Units and the GeForce GTX 660 Ti has 1344. However, the actual shader performance of the GTX 780 is 2380 and the actual shader performance of the GTX 660 Ti is 1317. The GTX 780 having 1063 better shader performance and an altogether better performance when taking into account other relevant data means that the GTX 780 delivers a massively smoother and more efficient experience when processing graphical data than the GTX 660 Ti.

The GeForce GTX 660 Ti requires 150 Watts to run but there is no entry for the GTX 780. We would recommend a PSU with at least 600 Watts for the GTX 780 and a PSU with at least 450 Watts for the GTX 660 Ti. The GTX 780 has been recommended a PSU with 150 Watts more than the GTX 660 Ti. The difference is significant enough that the GTX 780 may have an adverse affect on your yearly electricity bills in comparison to the GTX 660 Ti.

Can I Run It

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GPU Architecture

Core Speed980 MHzvs915 MHz
Boost Clock1033 MHzvs980 MHz
ArchitectureKepler GK110-300-A1Kepler GK104-300-KD-A2
OC Potential Poor vs Good
Driver Support Good vs Good
Release Date30 Aug 2013vs16 Aug 2012
GPU LinkGD LinkGD Link
Approved
Comparison

Resolution Performance

1366x768 - vs green tick
10
1600x900
10
green tick vs
9.6
1920x1080
9.6
green tick vs
7.6
2560x1440
7.2
green tick vs
5.5
3840x2160
5.4
green tick vs
3.8

GPU Memory

Memory3072 MBvs2048 MB
Memory Speed1502 MHzvs1502 MHz
Memory Bus384 Bitvs192 Bit
Memory TypeGDDR5vsGDDR5
Memory Bandwidth288.4GB/secvs144.2GB/sec
L2 Cache 1536 KB green tick vs 384 KB
Delta Color Compression no vs no
Memory Performance 0% green tick vs green tick 0%
Comparison

GPU Display

Shader Processing Units2304vs1344
Actual Shader Performance100%vs63%
Technology28nmvs28nm
Texture Mapping Units192vs112
Texture Rate188.2 GTexel/svs102.5 GTexel/s
Render Output Units48vs24
Pixel Rate47 GPixel/svs22 GPixel/s
Comparison

GPU Outputs

Max Digital Resolution (WxH)4096x2160vs4096x2160
VGA Connections0vs0
DVI Connections2vs2
HDMI Connections1vs1
DisplayPort Connections-vs1
Comparison

GPU Power Requirements

Max Power-150 Watts
Recommended PSU600 Wattsvs450 Watts & 33 Amps

GPU Features

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

GPU Supporting Hardware

Recommended ProcessorIntel Core i7-4770K 4-Core 3.5GHzvsIntel Core i5-3570K 3.4GHz
Recommended RAM8 GBvs8 GB
Maximum Recommended Gaming Resolution2560x1440vs1920x1080

Gaming Performance Value

Performance Value

GPU Mini Review

Mini ReviewGeForce GTX 780 MSI Lightning Edition is a special edition of the high-end GeForce GTX 780.
This edition comes with a custom dual fan cooling solution which by itself should allow a slight performance boost, as GeForce GTX 780 benefits from the GPU Boost 2.0 technology.
Also, it has been overclocked out of the box from 863MHz to 980MHz while its boost clock is now of 1033MHz. The memory clock was left untouched.
Benchmarks indicate a 8% performance boost when compared to the reference card.
Overview
GeForce GTX 660 Ti is a Performance Graphics Card based on the Kepler Architecture.

Architecture
The Kepler Architecture was NVIDIA's big step to power efficiency. Each Stream Multiprocessor (SMX) now hosts 192 Shader Processing Units - against the 48 of older Fermi Architecture, and has been redesigned being now clocked at the same speed of the Central Unit. This means they are more energy efficient and will consequently lead to cooler operating temperatures. However, it also means they are weaker. It can be said that one Fermi SMX is as fast as 2 Kepler SMXs.
Additionally, and not available in all GPUs, Kepler also introduced the Boost Clock Feature. The Boost Clock is an even higher Clock Speed activated when in gaming mode and becomes the effective speed of the GPU. GPU
It equips a GPU GK104-300-KD-A2 which has 7 Stream Multiprocessors activated and thus offers 1344 Shader Processing Units, 112 TMUs and 24 ROPs. The Central Unit is initially clocked at 915MHz and goes up to 980MHz, in Turbo Mode.

Memory
The GPU accesses a 2GB frame buffer of fast GDDR5, through a 192-bit memory interface. The size of the frame buffer is adequate. The Memory Clock Operates at 1502MHz.

Power Consumption
With a rated board TDP of 150W, it requires at least a 450W PSU with two available 6-pin connectors.

Performance
At 1920x1080, the best suited resolution for GeForce GTX 660 Ti, benchmarks indicate its performance is a little over the older GeForce GTX 580.

System Suggestions
GeForce GTX 660 Ti is best suited for resolutions up to and including 1920x1080. We recommend a Strong Processor and 8GB of RAM for Optimal Performance.
Recommended CPUAMD FX-8350
Intel Core i7-3770T 4-Core 2.5GHz
Intel Xeon E5-1620 v2
Intel Xeon Processor W3680
Intel Core i7-4785T 4-Core 2.2GHz
Intel Core i7-4785T 4-Core 2.2GHz
Intel Xeon E5-2407 v2
Intel Core i5-4570 3.2GHz
Intel Core i5-4670S 3.1GHz
Intel Xeon Processor W3670
Possible GPU Upgrades-Radeon R9 390X Sapphire Nitro w/ Back Plate 8GB Edition
Radeon R9 390X Club3D royalQueen OC 8GB Edition
Radeon R9 390X XFX Double Dissipation 8GB Edition
Radeon R9 390X Asus DirectCU II 8GB Edition
Radeon R9 390X Gigabyte G1 Gaming 8GB Edition
GPU Variants-GeForce GTX 660 Ti KFA EX OC 3GB Edition
GeForce GTX 660 Ti KFA EX OC 2GB Edition
GeForce GTX 660 Ti MSI Gaming OC Edition
GeForce GTX 660 Ti Asus Dragon DirectCU II TOP 2GB Edition
GeForce GTX 660 Ti Zotac AMP Extreme Edition
GeForce GTX 660 Ti Colorful iGame ARES X 2GB Edition
GeForce GTX 660 Ti SLI

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