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Gaming Performance Comparison

In terms of overall gaming performance, the graphical capabilities of the Nvidia GeForce GTX 680 SLI are noticeably better than the Nvidia GeForce GTX 780.

The GTX 680 has a 143 MHz higher core clock speed and 64 more Texture Mapping Units than the GeForce GTX 780. This results in the GTX 680 providing 91.8 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 680 has a 143 MHz higher core clock speed and 16 more Render Output Units than the GeForce GTX 780. This results in the GTX 680 providing 23 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 GeForce GTX 780 was released less than a year after the GTX 680, 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 680 has 1024 MB more video memory than the GeForce GTX 780, so is likely to be much better at displaying game textures at higher resolutions. This is supported by the fact that the GTX 680 also has superior memory performance overall.

The GTX 680 has 96.1 GB/sec greater memory bandwidth than the GeForce GTX 780, which means that the memory performance of the GTX 680 is massively better than the GeForce GTX 780.

The GeForce GTX 680 SLI has 3072 Shader Processing Units and the GeForce GTX 780 has 2304. The GTX 680 having 768 better shader performance and an altogether better performance when taking into account other relevant data means that the GTX 680 delivers a massively smoother and more efficient experience when processing graphical data than the GeForce GTX 780.

The GeForce GTX 680 SLI requires 390 Watts to run and the GeForce GTX 780 requires 250 Watts. We would recommend a PSU with at least 600 Watts for the GeForce GTX 780, but we do not have a recommended PSU wattage for the GTX 680. The GTX 680 requires 140 Watts more than the GeForce GTX 780 to run. The difference is significant enough that the GTX 680 may have an adverse affect on your yearly electricity bills in comparison to the GeForce GTX 780.

Can I Run It

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GPU Core Details

Core Speed1006 MHzvs863 MHz
Architecture Kepler GK104-400-A2 (x2)Kepler GK110-300-A1
Notebook GPUnono
SLI/Crossfireyesvsyes
Dedicatedyesvsyes
Release Date01 Mar 201223 May 2013
GPU LinkGD LinkGD Link
Approved
Comparison

GPU Memory

Memory4096 MBvs3072 MB
Memory Speed1502 MHzvs1502 MHz
Memory Bus512 Bitvs384 Bit
Memory TypeGDDR5vsGDDR5
Memory Bandwidth384.5GB/secvs288.4GB/sec
Comparison

GPU Display

Shader Processing Units3072vs2304
Actual Shader Performance3072vs2304
Technology28nmvs28nm
Texture Mapping Units256vs192
Texture Rate257.5 GTexel/svs165.7 GTexel/s
Render Output Units64vs48
Pixel Rate64.4 GPixel/svs41.4 GPixel/s
Comparison

GPU Display Tech

DirectX11.1vs11.1
Shader Model5.0vs5.0
Open GL4.2vs4.3
Max Resolution (WxH)4096x2160vs4096x2160
VGA Connections0vs0
DVI Connections4vs2
HDMI Connections2vs1
Comparison

GPU Power Requirements

Max Power390 Wattsvs250 Watts

GPU Supporting Hardware

Recommended RAM8 GBvs12 GB
Recommended Screen Size1920x10802560x1600
Recommended PSU-600 Watts & 42 Amps

Gaming Performance Value

Performance Value

GPU Mini Review

Mini ReviewGeForce GTX 680 SLI is a solution of two GeForce GTX 680 put together using NVIDIA'S SLI technology.
Check the page of GeForce GTX 680 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 around 60% better than a single GeForce GTX 680 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 680. Expect this combination to draw up to 390 Watt though the average power consumption should be slightly lower.
Even the most demanding games will run at the highest settings.
GeForce GTX 780 is a high-end graphics-card based on the 28nm, Kepler architecture.
It's based on the Kepler GK110 Core (same used on Titan) but with 12 SMX activated and therefore offers 2304 Shader Processing Units, 192 TMUs and 48 ROPs on a 384-bit memory interface of fast GDDR5. While the central unit runs at 863MHz and goes up to 902MHz in Turbo, the memory clock operates at 1502MHz. It consumes up to 250W.
Benchmarks indicate that its performance is up to 30% better than previous GeForce GTX 680 and thus allows even the most demanding games to be playable at the highest settings, at 1080p. With proper overclocking and cooling, it can surpass GeForce GTX Titan.
Recommended CPUIntel Core i7-3770S 4-Core 3.1GHz
AMD FX-8350
Intel Xeon E3-1245 v2
Intel Core i7-980X 6-Core 3.33GHz
Intel Xeon E3-1230 v2
AMD Opteron 6272
Intel Core i7-4770K 4-Core 3.5GHz
Intel Core i7-4770 4-Core 3.4GHz
Possible GPU Upgrades--
GPU Variants--