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Gaming Performance Comparison

In terms of overall gaming performance, the graphical capabilities of the AMD Radeon HD 6870 are marginally better than the AMD Radeon R7 260X.

The Radeon R7 260X has a 200 MHz higher core clock speed and the same number of Texture Mapping Units as the Radeon HD 6870. This results in the Radeon R7 260X providing 11.2 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 200 MHz higher core clock speed than the Radeon HD 6870, but the Radeon HD 6870 has 16 more Render Output Units than the Radeon R7 260X. As a result, the Radeon HD 6870 exhibits a 11.2 GPixel/s better Pixel Fill Rate than the Radeon R7 260X. 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 over a year more recently than the Radeon HD 6870, and so the Radeon R7 260X is likely to have better driver support, meaning it will be more optimized for running the latest games.

The Radeon R7 260X has 1024 MB more video memory than the Radeon HD 6870, so is likely to be much better at displaying game textures at higher resolutions. However, the overall memory performance is about the same.

The Radeon HD 6870 has 30.4 GB/sec greater memory bandwidth than the Radeon R7 260X, which means that the memory performance of the Radeon HD 6870 is noticeably better than the Radeon R7 260X.

The Radeon R7 260X has 896 Shader Processing Units and the Radeon HD 6870 has 1120. However, the actual shader performance of the Radeon HD 6870 is 728. The Radeon R7 260X having 168 better shader performance is not particularly notable, as altogether the Radeon HD 6870 performs better when taking into account other relevant data.

The Radeon R7 260X transistor size technology is 12 nm (nanometers) smaller than the Radeon HD 6870. This means that the Radeon R7 260X is expected to run slightly cooler and achieve higher clock frequencies than the Radeon HD 6870. As they exhibit similar graphical performance, the Radeon R7 260X should consume less power than the Radeon HD 6870.

The Radeon R7 260X requires 115 Watts to run and the Radeon HD 6870 requires 151 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 6870. The Radeon HD 6870 requires 36 Watts more than the Radeon R7 260X to run. The difference is significant enough that the Radeon HD 6870 may have a slight adverse affect on your yearly electricity bills in comparison to the Radeon R7 260X.

GPU Core Details

Core Speed1100 MHzvs900 MHz
ArchitectureBonaire XTXBarts XT
Notebook GPUnono
SLI/Crossfireyesvsyes
Dedicatedyesvsyes
Release Date08 Oct 201322 Oct 2010
GPU LinkGD LinkGD Link
Approved
Comparison

GPU Memory

Memory2048 MBvs1024 MB
Memory Speed1625 MHzvs1050 MHz
Memory Bus128 Bitvs256 Bit
Memory TypeGDDR5vsGDDR5
Memory Bandwidth104GB/secvs134.4GB/sec
Comparison

GPU Display

Shader Processing Units896vs1120
Actual Shader Performance896vs728
Technology28nmvs40nm
Texture Mapping Units56vs56
Texture Rate61.6 GTexel/svs50.4 GTexel/s
Render Output Units16vs32
Pixel Rate17.6 GPixel/svs28.8 GPixel/s
Comparison

GPU Display Tech

DirectX11.1vs11
Shader Model5.0vs5.0
Open GL4.3vs4.1
Max Resolution (WxH)2560x1600vs2560x1600
VGA Connections0vs1
DVI Connections2vs2
HDMI Connections1vs1
Comparison

GPU Power Requirements

Max Power115 Wattsvs151 Watts

GPU Supporting Hardware

Recommended RAM8 GBvs8 GB
Recommended Screen Size1600x9001920x1080
Recommended PSU450 Wattsvs500 Watts & 28 Amps

Gaming Performance Value

Performance Value

Can I Run It

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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 6870 is a fast high-end card made in 40nm fabrification process. It is based on the Barts XT architecure. Featuring 1120 Shaders, 56 texture units and 32 ROPs paired with fast 1GB GDDR5 video memory working on 1050 MHz, and core clock running at 900 MHz. Most latest games will be playable on High-Ultra and no AA with 1080p, except Demanding ones such as Far Cry 3 or Assassins Creed 3, which requires lowering settings to high, without Anti-Aliasing, while Crysis 3 needs medium-high graphical settings in order to achieve playable FPS.
Recommended CPUAMD Phenom II X4 B25
AMD Phenom II X4 910e
AMD Phenom II X4 910
Intel Pentium G2130 3.2GHz
AMD Opteron 2378
AMD Phenom II X4 20
Intel Xeon Processor W3520
AMD Phenom II X4 B97
Intel Core i5-2390T 2.7GHz
Intel Core 2 Quad Q9550S 2.83GHz
Possible GPU Upgrades-GeForce GTX 760 Zotac 4GB Edition
GeForce GTX 760 EVGA 4GB Edition
GeForce GTX 760
GeForce GTX 660 Ti MSI Gaming OC Edition
Radeon R9 280
GPU VariantsRadeon R7 260X Asus DirectCU II OC Edition
Radeon R7 260X Crossfire
Radeon HD 6870 XFX 2GB Edition
Radeon HD 6870 IceQ X Edition
Radeon HD 6870 PowerColor 1GB Edition
Radeon HD 6870 XFX 1GB Core Edition
Radeon HD 6870 DirectCU 1GB Edition
Radeon HD 6870 Gigabyte OC Edition
Radeon HD 6870 XFX DD XXX Edition
Radeon HD 6870 MSI Hawk 1GB Edition
Radeon HD 6870 XFX Black Edition
Radeon HD 6870 Crossfire