Select any two GPUs for comparison
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Gaming Performance Comparison

Recommended System Requirements
Game GeForce GTX 980MX 8GB GeForce GTX 675M SLI
Red Dead Redemption 2 19% 98%
Doom Eternal 2% 70%
Cyberpunk 2077 63% 172%
Call of Duty: Modern Warfare 19% 98%
Dragon Ball Z Kakarot 27% 22%
Microsoft Flight Simulator 63% 172%
Star Wars: Jedi - Fallen Order 63% 172%
Grand Theft Auto VI 82% 203%
Need For Speed Heat 19% 98%
Warcraft 3: Reforged 95% 92%

In terms of overall gaming performance, the graphical capabilities of the Nvidia GeForce GTX 980MX 8GB are significantly better than the Nvidia GeForce GTX 675M SLI.

The GTX 980MX has a 418 MHz higher core clock speed but 24 fewer Texture Mapping Units than the GTX 675M. The lower TMU count doesn't matter, though, as altogether the GTX 980MX manages to provide 28.6 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 980MX has a 418 MHz higher core clock speed than the GTX 675M and the same number of Render Output Units. This results in the GTX 980MX providing 26.7 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 980MX was released over three years more recently than the GTX 675M, and so the GTX 980MX is likely to have far better driver support, meaning it will be much more optimized and ultimately superior to the GTX 675M 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 980MX has 4096 MB more video memory than the GTX 675M, so is likely to be much better at displaying game textures at higher resolutions. This is supported by the fact that the GTX 980MX also has superior memory performance overall.

The GTX 675M has 31.6 GB/sec greater memory bandwidth than the GTX 980MX, which means that the memory performance of the GTX 675M is noticeably better than the GTX 980MX.

The GeForce GTX 980MX 8GB has 1664 Shader Processing Units and the GeForce GTX 675M SLI has 768. However, the actual shader performance of the GTX 980MX is 2534 and the actual shader performance of the GTX 675M is 952. The GTX 980MX having 1582 better shader performance and an altogether better performance when taking into account other relevant data means that the GTX 980MX delivers a significantly smoother and more efficient experience when processing graphical data than the GTX 675M.

The GTX 980MX transistor size technology is 12 nm (nanometers) smaller than the GTX 675M. This means that the GTX 980MX is expected to run slightly cooler and achieve higher clock frequencies than the GTX 675M.

The GeForce GTX 980MX 8GB requires 122 Watts to run and the GeForce GTX 675M SLI requires 200 Watts. The GTX 675M requires 78 Watts more than the GTX 980MX to run. The difference is significant enough that the GTX 675M may have an adverse affect on your yearly electricity bills in comparison to the GTX 980MX.

Game FPS Benchmarks On Ultra

GPU Architecture

Core Speed1038 MHzvs620 MHz
Boost Clock1128 MHzvs-
ArchitectureMaxwell GM204Fermi GF114 (x2)
OC Potential None vs None
Driver Support Great vs -
Release Date01 Jun 2016vs22 Mar 2012
GPU LinkGD LinkGD Link
Approved
Comparison

Resolution Performance

1366x768 - green tick vs green tick -
1600x900 - vs green tick
9.3
1920x1080
9.4
green tick vs
7.3
2560x1440 - vs green tick
5.3
3840x2160 - green tick vs green tick -

GPU Memory

Memory8192 MBvs4096 MB
Memory Speed1253 MHzvs750 MHz
Memory Bus256 Bitvs512 Bit
Memory TypeGDDR5vsGDDR5
Memory Bandwidth160.4GB/secvs192GB/sec
L2 Cache 2048 KB green tick vs 0 KB
Delta Color Compression yes vs no
Memory Performance 0% green tick vs green tick 0%
Comparison

GPU Display

Shader Processing Units1664vs768
Actual Shader Performance100%vs46%
Technology28nmvs40nm
Texture Mapping Units104vs128
Texture Rate108 GTexel/svs79.4 GTexel/s
Render Output Units64vs64
Pixel Rate66.4 GPixel/svs39.7 GPixel/s
Comparison

GPU Outputs

Max Digital Resolution (WxH)4096x2160vs2560x1600
VGA Connections0vs0
DVI Connections0vs0
HDMI Connections0vs0
DisplayPort Connections0vs-
Comparison

GPU Power Requirements

Max Power122 Wattsvs200 Watts
Recommended PSU--

GPU Features

DirectX12.1vs11
Shader Model5.0vs5.0
Open GL4.5vs4.1
Open CL-vs-
Notebook GPUyesyes
SLI/Crossfireyesvsno
Dedicatedyesvsyes
Comparison

GPU Supporting Hardware

Recommended ProcessorIntel Core i7-6920HQ 4-Core 2.9GHzvsIntel Core i7-3610QM 4-Core 2.3GHz
Recommended RAM8 GBvs8 GB
Maximum Recommended Gaming Resolution1920x1080vs1920x1080

Gaming Performance Value

Performance Value

GPU Mini Review

Mini ReviewOverview
GeForce GTX 980MX 8GB is a High-End Mobile Graphics Card based on the First Revision of the Maxwell architecture.

Architecture
GeForce GTX 980MX 8GB Features a GPU Codenamed GM204-??? which is a Second Gen Maxwell GPU and is identical to the GM204-200-A1 used on the Desktop GeForce GTX 970.
It has 13 Stream Multiprocessors activated and offers 1664 Shader Processing Units, 104 TMUs and 64 ROPs.

GPU
The central unit runs at ????MHz and goes up to ????MHz, in Turbo Mode.

Memory: Speed
The GPU is equipped with fast GDDR5 and Accesses the Frame Buffer through a 256-bit Memory Interface. The Memory Clock Operates at 1250MHz.

Memory: Frame Buffer
The GPU can fill up a Memory Pool of up to 8GB.

Power Consumption
With a rated board TDP of 122W, it may only be used on Very Large Notebooks.

Performance
Product Not Released Yet.

System Suggestions
GeForce GTX 980MX 8GB is best suited for resolutions up to and including 1920x1080. We recommend a High-End Processor and 8GB of RAM for Optimal Performance.
GeForce GTX 675M SLI is a solution of two GeForce GTX 675M put together using NVIDIA'S SLI technology.
Check the page of GeForce GTX 675M 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, about 35% better than a single GeForce GTX 675M 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 675M.
Even the most demanding games will run at the highest settings.
Recommended CPU
Possible GPU Upgrades
N/A
N/A
GPU Variants
-
-

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