Select any two GPUs for comparison
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Gaming Performance Comparison

Recommended System Requirements
Game GeForce GTX 660 Ti Colorful iGame ARES X 2GB Edition Radeon HD 8950 (OEM)
Cyberpunk 2077 130% 141%
Red Dead Redemption 2 68% 75%
Dragon Ball Z Kakarot 3% 8%
Halo: Reach 47% 44%
Microsoft Flight Simulator 130% 141%
Call of Duty: Modern Warfare 68% 75%
FIFA 20 11% 7%
Doom Eternal 44% 51%
Grand Theft Auto VI 156% 168%
Need For Speed Heat 68% 75%

In terms of overall gaming performance, the graphical capabilities of the Nvidia GeForce GTX 660 Ti Colorful iGame ARES X 2GB Edition are marginally better than the AMD Radeon HD 8950 (OEM).

The GTX 660 Ti has a 256 MHz higher core clock speed and the same number of Texture Mapping Units as the HD 8950. This results in the GTX 660 Ti providing 28.7 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 660 Ti has a 256 MHz higher core clock speed than the HD 8950, but the HD 8950 has 8 more Render Output Units than the GTX 660 Ti. As a result, the HD 8950 exhibits a 0.7 GPixel/s better Pixel Fill Rate than the GTX 660 Ti. However, both GPUs support DirectX 9 or above, and pixeling performance is only really relevant when comparing older cards.

The HD 8950 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 HD 8950 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 HD 8950 also has superior memory performance overall.

The HD 8950 has 76.6 GB/sec greater memory bandwidth than the GTX 660 Ti, which means that the memory performance of the HD 8950 is much better than the GTX 660 Ti.

The GeForce GTX 660 Ti Colorful iGame ARES X 2GB Edition has 1344 Shader Processing Units and the Radeon HD 8950 (OEM) has 1792. However, the actual shader performance of the GTX 660 Ti is 1610 and the actual shader performance of the HD 8950 is 1658. The HD 8950 having 48 better shader performance and an altogether better performance when taking into account other relevant data means that the HD 8950 delivers a noticeably smoother and more efficient experience when processing graphical data than the GTX 660 Ti.

The GeForce GTX 660 Ti Colorful iGame ARES X 2GB Edition requires 150 Watts to run and the Radeon HD 8950 (OEM) requires 200 Watts. We would recommend a PSU with at least 450 Watts for the GTX 660 Ti and a PSU with at least 500 Watts for the HD 8950. The HD 8950 requires 50 Watts more than the GTX 660 Ti to run. The difference is significant enough that the HD 8950 may have a slight adverse affect on your yearly electricity bills in comparison to the GTX 660 Ti.

Game FPS Benchmarks On Ultra

GPU Architecture

Core Speed1106 MHzvs850 MHz
Boost Clock1198 MHzvs925 MHz
ArchitectureKepler GK104-300-KD-A2GCN 1.1 Tahiti PRO2
OC Potential None vs Fair
Driver Support Good vs -
Release Date16 Aug 2012vs08 Jan 2013
GPU LinkGD LinkGD Link
Approved
Comparison

Resolution Performance

1366x768
10
green tick vs -
1600x900
10
green tick vs
9.7
1920x1080
8
green tick vs
7.8
2560x1440
5.8
green tick vs green tick
5.8
3840x2160
4.1
vs green tick
4.3

GPU Memory

Memory2048 MBvs3072 MB
Memory Speed1702 MHzvs1250 MHz
Memory Bus192 Bitvs384 Bit
Memory TypeGDDR5vsGDDR5
Memory Bandwidth163.4GB/secvs240GB/sec
L2 Cache 384 KB vs green tick 768 KB
Delta Color Compression no vs no
Memory Performance 0% green tick vs green tick 0%
Comparison

GPU Display

Shader Processing Units1344vs1792
Actual Shader Performance77%vs80%
Technology28nmvs28nm
Texture Mapping Units112vs112
Texture Rate123.9 GTexel/svs95.2 GTexel/s
Render Output Units24vs32
Pixel Rate26.5 GPixel/svs27.2 GPixel/s
Comparison

GPU Outputs

Max Digital Resolution (WxH)4096x2160vs4096x2160
VGA Connections0vs0
DVI Connections2vs1
HDMI Connections1vs1
DisplayPort Connections1vs-
Comparison

GPU Power Requirements

Max Power150 Wattsvs200 Watts
Recommended PSU450 Watts & 33 Ampsvs500 Watts & 33 Amps

GPU Features

DirectX12.0vs11.2
Shader Model5.0vs5.0
Open GL4.5vs4.2
Open CL-vs-
Notebook GPUnono
SLI/Crossfireyesvsyes
Dedicatedyesvsyes
Comparison

GPU Supporting Hardware

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

Gaming Performance Value

Performance Value

GPU Mini Review

Mini ReviewOverview
GeForce GTX 660 Ti Colorful iGame ARES X 2GB Edition is a special edition of NVIDIA's Performance GeForce GTX 660 Ti, created by Colorful.

Overclock: Central Unit
The Central Unit now runs at 1106MHz, instead of 915MHz and goes up to 1198MHz, instead of 980MHz, in Turbo Mode.

Overclock: Memory Clock
The Operating Memory Clock is now of 1702MHz instead of 1502MHz.

Frame Buffer
Untouched.


Cooling Solution
Shark Bionic Design.

Performance
Benchmarks indicate a performance over the reference GeForce GTX 660 Ti.
Overview
Radeon HD 8950 (OEM) is an OEM Only, High-End Graphics Card based on the First Revision of the Graphics Core Next (GCN) Architecture.

Architecture
The GCN 1.1 revision of the Graphics Core Next Architecture adds new important technologies and is largely oriented for energy efficiency. New technologies such as PowerTune and TrueAudio are the biggest additions as well as DirectX 11.2 support.

GPU
It equips a GPU Codenamed Tahiti PRO2 which has 28 Compute Units activated and thus offers 1792 Shader Processing Units, 112 TMUs and 32 ROPs. The Central Unit is clocked at 850MHz and goes up to 925MHz, in Turbo Mode.

Memory
The GPU accesses a 3GB frame buffer of fast GDDR5, through a 384-bit memory interface. The size of the frame buffer is exaggerated and in no way benefits the GPU. The Memory Clock Operates at 1250MHz.

Power Consumption
With a rated board TDP of 200W, it requires at least a 500W PSU with two available 6-pin connectors.

Performance
Radeon HD 8950 (OEM) is a Direct Rebrand of Radeon HD 7950 Boost Edition and performs exactly like it.

System Suggestions
Radeon HD 8950 (OEM) is best suited for resolutions up to and including 1920x1080. We recommend a Strong Processor (Intel Core i5 Quad Core/AMD FX Six Core) and 8GB of RAM for Optimal Performance.
Recommended CPU
Possible GPU Upgrades
GPU Variants
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