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Gaming Performance Comparison

Recommended System Requirements
Game Radeon HD 7950 Club3D royalKing Edition GeForce GTX 660 Ti
Cyberpunk 2077 146% 158%
Control 214% 229%
eFootball PES 2020 22% 28%
Call of Duty: Modern Warfare 146% 158%
Grand Theft Auto VI 174% 187%
Borderlands 3 89% 98%
Total War: Three Kingdoms 153% 165%
Red Dead Redemption 2 146% 158%
FIFA 20 5% 0%
F1 2019 104% 114%

In terms of overall gaming performance, the graphical capabilities of the AMD Radeon HD 7950 Club3D royalKing Edition are marginally better than the Nvidia GeForce GTX 660 Ti.

The GTX 660 Ti has a 65 MHz higher core clock speed and the same number of Texture Mapping Units as the HD 7950. This results in the GTX 660 Ti providing 7.3 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 65 MHz higher core clock speed than the HD 7950, but the HD 7950 has 8 more Render Output Units than the GTX 660 Ti. As a result, the HD 7950 exhibits a 5.2 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 7950 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 7950 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 7950 also has superior memory performance overall.

The HD 7950 has 95.8 GB/sec greater memory bandwidth than the GTX 660 Ti, which means that the memory performance of the HD 7950 is massively better than the GTX 660 Ti.

The Radeon HD 7950 Club3D royalKing Edition has 1792 Shader Processing Units and the GeForce GTX 660 Ti has 1344. However, the actual shader performance of the HD 7950 is 1295 and the actual shader performance of the GTX 660 Ti is 1317. The GTX 660 Ti having 22 better shader performance is not particularly notable, as altogether the HD 7950 performs better when taking into account other relevant data.

The Radeon HD 7950 Club3D royalKing Edition requires 200 Watts to run and the GeForce GTX 660 Ti requires 150 Watts. We would recommend a PSU with at least 450 Watts for the GTX 660 Ti, but we do not have a recommended PSU wattage for the HD 7950. The HD 7950 requires 50 Watts more than the GTX 660 Ti to run. The difference is significant enough that the HD 7950 may have a slight 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 Speed850 MHzvs915 MHz
Boost Clock-vs980 MHz
ArchitectureGCN 1.0 Tahiti PROKepler GK104-300-KD-A2
OC Potential Fair vs Good
Driver Support Good vs Good
Release Date01 Nov 2012vs16 Aug 2012
GPU LinkGD LinkGD Link

Resolution Performance

1366x768 - vs green tick
green tick vs green tick
green tick vs
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GPU Memory

Memory3072 MBvs2048 MB
Memory Speed1250 MHzvs1502 MHz
Memory Bus384 Bitvs192 Bit
Memory TypeGDDR5vsGDDR5
Memory Bandwidth240GB/secvs144.2GB/sec
L2 Cache 768 KB green tick vs 384 KB
Delta Color Compression no vs no
Memory Performance 0% green tick vs green tick 0%

GPU Display

Shader Processing Units1792vs1344
Actual Shader Performance62%vs63%
Texture Mapping Units112vs112
Texture Rate95.2 GTexel/svs102.5 GTexel/s
Render Output Units32vs24
Pixel Rate27.2 GPixel/svs22 GPixel/s

GPU Outputs

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

GPU Power Requirements

Max Power200 Wattsvs150 Watts
Recommended PSU-450 Watts & 33 Amps

GPU Features

Shader Model5.0vs5.0
Open GL4.4vs4.5
Open CL-vs-
Notebook GPUnono

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 ReviewRadeon HD 7950 Club3D royalKing Edition is a special edition of the Radeon HD 7950. See the standard's version page to know more about it.
The new features include a core-clock raise from 800MHz to 850MHz. A new cooling system is also featured which should keep Radeon HD 7950's temperatures low under extreme loading and produce less noise.
The performance boost is around 3% when compared to standard Radeon HD 7950.
GeForce GTX 660 Ti is a Performance Graphics Card based on the Kepler 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.

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.

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 CPUIntel Core i3-4160 3.6GHz
Intel Core i3-4330 3.5GHz
Intel Core i5-3470T 2.8GHz
AMD Phenom II X4 965
AMD Phenom II X4 965 Black Edition
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 UpgradesRadeon R9 390 Sapphire Nitro w/ Back Plate 8GB Edition
Radeon R9 390 Asus DirectCU III OC Strix Gaming 8GB Edition
Radeon R9 290X PowerColor PCS+ 4GB Edition
Radeon R9 290X Asus ROG Matrix Platinum Edition
Radeon R9 290X Asus DirectCU II OC Edition
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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