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Gaming Performance Comparison

In terms of overall gaming performance, the graphical capabilities of the AMD Radeon R7 260X are very slightly better than the AMD Radeon HD 7790.

The Radeon R7 260X has a 100 MHz higher core clock speed and the same number of Texture Mapping Units as the Radeon HD 7790. This results in the Radeon R7 260X providing 5.6 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 Radeon R7 260X has a 100 MHz higher core clock speed than the Radeon HD 7790 and the same number of Render Output Units. This results in the Radeon R7 260X providing 1.6 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 Radeon R7 260X was released less than a year after the Radeon HD 7790, and so they are likely to have similar driver support for optimizing performance when running the latest games.

The Radeon R7 260X has 1024 MB more video memory than the Radeon HD 7790, so is likely to be much better at displaying game textures at higher resolutions. This is supported by the fact that the Radeon R7 260X also has superior memory performance overall.

The Radeon R7 260X has 8 GB/sec greater memory bandwidth than the Radeon HD 7790, which means that the memory performance of the Radeon R7 260X is marginally better than the Radeon HD 7790.

Both the Radeon R7 260X and the Radeon HD 7790 have 896 Shader Processing Units. While the two GPUs have the same number of SPUs, the actual performance delivered by the . Knowing that the shader performance of the Radeon R7 260X is superior, it is not necessary to examine the GPUs' respective Texture and Pixel Fill Rates.

The Radeon R7 260X requires 115 Watts to run and the Radeon HD 7790 requires 85 Watts. We would recommend a PSU with at least 450 Watts for the Radeon R7 260X and a PSU with at least 500 Watts for the Radeon HD 7790. The Radeon R7 260X requires 30 Watts more than the Radeon HD 7790 to run. The difference is not significant enough for the Radeon R7 260X to have a noticeably larger impact on your yearly electricity bills than the Radeon HD 7790.

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GPU Core Details

Core Speed1100 MHzvs1000 MHz
ArchitectureGCN 1.1 Bonaire XTXGCN 1.0 Bonaire XT
Notebook GPUnono
SLI/Crossfireyesvsyes
Dedicatedyesvsyes
Release Date08 Oct 201322 Mar 2013
GPU LinkGD LinkGD Link
Approved
Comparison

Resolution Performance

1366x768 - green tick vs green tick -
1600x900
10
green tick vs
9.9
1920x1080
7.5
green tick vs
7.2
2560x1440
5.9
green tick vs
5.6
3840x2160
3.7
green tick vs
3.5

GPU Memory

Memory2048 MBvs1024 MB
Memory Speed1625 MHzvs1500 MHz
Memory Bus128 Bitvs128 Bit
Memory TypeGDDR5vsGDDR5
Memory Bandwidth104GB/secvs96GB/sec
L2 Cache 512 KB green tick vs green tick 512 KB
Comparison

GPU Display

Shader Processing Units896vs896
Actual Shader Performance887vs806
Technology28nmvs28nm
Texture Mapping Units56vs56
Texture Rate61.6 GTexel/svs56 GTexel/s
Render Output Units16vs16
Pixel Rate17.6 GPixel/svs16 GPixel/s
Comparison

GPU Display Tech

DirectX11.1vs11.1
Shader Model5.0vs5.0
Open GL4.3vs4.2
Max Resolution (WxH)2560x1600vs2560x1600
VGA Connections0vs0
DVI Connections2vs2
HDMI Connections1vs1
Comparison

GPU Power Requirements

Max Power115 Wattsvs85 Watts

GPU Supporting Hardware

Recommended RAM8 GBvs8 GB
Recommended Screen Size1600x9001600x900
Recommended PSU450 Watts & 30 Ampsvs500 Watts

Gaming Performance Value

Performance Value

GPU Mini Review

Mini ReviewRadeon R7 260X is a fast-middle-class Graphics Card based on the Bonaire XTX core of the Graphics Core Next Architecture.
The Bonaire XTX Core has its roots on the Bonaire XT Core used on Radeon HD 7790. It offers 896 Shader Processing Units, 56 TMUs and 16 ROPs, on a 128-bit memory interface.
However and when compared to Radeon HD 7790, Radeon R7 260X has its central unit running at 1100MHz. Furthermore, its operating memory clock is significantly higher and of 1625MHz, leading to extra memory bandwidth.
Benchmarks indicate its performance is quite superior to its predecessors (Radeon HD 7770), but famous Radeon HD 7850 and its GeForce GTX 650 Ti Boost Edition still offer much more performance.
Expect to run most modern demanding games, such as Crysis 3 and Metro Last Light at high-settings, though a 1080p resolution will probably reduce your gaming experience and something more modest might be best suited.
Radeon R7 260X has a launching price of just $139 which makes it a very uncompetitive card, since Radeon HD 7850 is available for $140 these days.
Radeon HD 7790 is a fast-middle-class/performance graphics card based on the 28nm, GCN architecture.
It's based on the Bonaire XT Core and therefore offer 896 Shader Processing Units, 56 TMUs and 16 ROPs on a 128-bit memory interface of fast GDDR5. The central unit runs at 1000MHz and the memory clock will operate at up to 1500MHz. It consumes up to 85 Watt.
This Graphics Card is added one year after the Radeon HD 7000 Series to compete against NVIDIA's GeForce GTX 650 Ti and benchmarks indicate its performance is between 3 and 7% better. However, NVIDIA is also set to release a new graphics card called GeForce GTX 650 Ti Boost Edition which is expected to be up to 10% better than GeForce GTX 650 Ti and so it will outperform this card.
With the release price of 150 USD, AMD's Radeon HD 7770 might become obsolete. This Graphics Card needs to be paired with a strong Dual Core CPU.
Recommended CPUIntel Pentium G2120T 2.7GHz
AMD Opteron 8389
AMD Phenom II X3 720 Black Edition
Intel Core i3-530 2.9GHz
AMD Phenom II X3 715
Intel Core i5-3350P 3.1GHz
Intel Core i5-3340 3.1GHz
Intel Core i5-2450P 3.2GHz
AMD Phenom II X6 1090T
Intel Xeon E5-2620
Possible GPU Upgrades--
GPU VariantsRadeon R7 260X Club3D royalKing Edition
Radeon R7 260X Gigabyte 2GB OC Rev. 1.0 Edition
Radeon R7 260X Gigabyte 2GB OC Rev. 2.0 Edition
Radeon R7 260X PowerColor 2GB OC Edition
Radeon R7 260X Sapphire 2GB OC Edition
Radeon R7 260X MSI 2GB OC Edition
Radeon R7 260X Asus DirectCU II OC Edition
Radeon R7 260X Crossfire
Radeon HD 7790 MSI 1GB OC Edition
Radeon HD 7790 Club3D 13 Series Edition
Radeon HD 7790 PowerColor TurboDuo Edition
Radeon HD 7790 VTX3D X-Edition
Radeon HD 7790 Sapphire Dual-X OC Edition
Radeon HD 7790 DirectCU II OC Edition
Radeon HD 7790 Gigabyte 2GB OC Edition
Radeon HD 7790 VTX3D X-Edition v2
Radeon HD 7790 VTX3D VChamp Edition
Radeon HD 7790 DirectCU II OC 2GB Edition
Radeon HD 7790 Gigabyte 1GB OC Edition
Radeon HD 7790 Crossfire