Select any two GPUs for comparison

Gaming Performance Comparison

Recommended System Requirements
Game GeForce GTX 660 MSI OC 2GB Edition Radeon HD 7660D + 6670 Dual
Cyberpunk 2077 186% 1136%
Call of Duty: Modern Warfare 186% 1136%
eFootball PES 2020 42% 514%
Total War: Three Kingdoms 193% 1170%
Grand Theft Auto VI 218% 1275%
Borderlands 3 120% 850%
Red Dead Redemption 2 186% 1136%
F1 2019 137% 926%
Control 139% 936%
Doom Eternal 79% 674%

In terms of overall gaming performance, the graphical capabilities of the Nvidia GeForce GTX 660 MSI OC 2GB Edition are massively better than the AMD Radeon HD 7660D + 6670 Dual.

The HD 7660D has no core clock speed set, so any comparison between Texture and Pixel Fill Rates is not currently possible.

The GTX 660 was released less than a year after the HD 7660D, and so they are likely to have similar driver support for optimizing performance when running the latest games.

The GTX 660 has 2048 MB video memory, but the HD 7660D does not have an entry, so the two GPUs cannot be reliably compared in this area.

The GeForce GTX 660 MSI OC 2GB Edition has 960 Shader Processing Units and the Radeon HD 7660D + 6670 Dual has 760. However, the actual shader performance of the GTX 660 is 1029 and the actual shader performance of the HD 7660D is 0. The GTX 660 having 1029 better shader performance and an altogether better performance when taking into account other relevant data means that the GTX 660 delivers a massively smoother and more efficient experience when processing graphical data than the HD 7660D.

Can I Run It

information button related to GD Premium

Check any game system requirements


GPU Architecture

Core Speed1006 MHzvs-
Boost Clock1072 MHzvs-
ArchitectureKepler GK106-400-A1Terrascale 2
OC Potential Fair vs -
Driver Support Good vs -
Release Date01 Oct 2012vs01 Jun 2012
GPU LinkGD LinkGD Link

Resolution Performance

1366x768 - green tick vs green tick -
green tick vs -
green tick vs -
green tick vs -
green tick vs -

GPU Memory

Memory2048 MBvs-
Memory Speed1502 MHzvs900 MHz
Memory Bus192 Bitvs128 Bit
Memory TypeGDDR5vsDDR3
Memory Bandwidth144.2GB/secvs28.8GB/sec
L2 Cache 384 KB green tick vs -
Delta Color Compression no vs no
Memory Performance 0% green tick vs green tick 0%

GPU Display

Shader Processing Units960vs760
Actual Shader Performance50%vs-
Texture Mapping Units80vs-
Texture Rate80.5 GTexel/svs-
Render Output Units24vs-
Pixel Rate24.1 GPixel/svs-

GPU Outputs

Max Digital Resolution (WxH)4096x2160vs2560x1600
VGA Connections0vs1
DVI Connections2vs1
HDMI Connections1vs1
DisplayPort Connections-vs-

GPU Power Requirements

Max Power--
Recommended PSU--

GPU Features

Shader Model5.0vs5.0
Open GL4.5vs4.2
Open CL-vs-
Notebook GPUnono

GPU Supporting Hardware

Recommended ProcessorIntel Core i5-3470 3.2GHz-
Recommended RAM8 GB-
Maximum Recommended Gaming Resolution1920x1080-

Gaming Performance Value

Performance Value

GPU Mini Review

Mini ReviewGeForce GTX 660 MSI OC 2GB Edition is a special edition of GeForce GTX 660.
The new features include the Propeller Blade Technology solution which generates 20% more airflow than traditional fan design, according to MSI.
In terms of overclocking, the base-clock was increased from 980MHz to 1006MHz and the boost clock can now reach 1072MHz, instead of 1033MHz. The memory clock was left untouched.
The overclocking is therefore somewhat significant and the performance boost is around 5% when compared to the standard GeForce GTX 660.
Radeon HD 7660D + 6670 Dual is a combination of a Radeon 7660D (integrated graphics) with a Radeon HD 6670 (dedicated).
This combination is called Asymmetric CrossFire and can also lead to Micro Stuttering.
We do not know much about this GPU at the moment but it appears to be 4% worse than a single Radeon HD 6670 performing by itself but in some cases it might be worse or better.
Recommended CPUIntel Core i3-3220 3.3GHz
AMD Phenom II X4 840T
Intel Core i3-3245 3.4GHz
AMD APU A8-5600K Quad-Core
Intel Core i3-3225 3.3GHz
Possible GPU UpgradesGeForce GTX 660 Twin Frozr OC Edition SLI
GeForce GTX 780
Radeon HD 7970 GHz MSI Lightning BE 3GB Edition
Quadro M4000
GeForce GTX 950 2GB SLI
GPU Variants--



No Ads

or, become Premium, be ad free + get access to all GD’s extra features

Here’s one for everyone. We remove ads for 24hrs if you visit the link below. You don’t need to buy anything there, just follow the link and be ad free.