Select any two GPUs for comparison
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Gaming Performance Comparison

Recommended System Requirements
Game Radeon HD 6870 PowerColor 1GB Edition Radeon HD 5870 2048MB
Cyberpunk 2077 297% 277%
Halo: Reach 8% 13%
Red Dead Redemption 2 189% 174%
Call of Duty: Modern Warfare 189% 174%
Doom Eternal 149% 136%
Dragon Ball Z Kakarot 78% 69%
Microsoft Flight Simulator 297% 277%
FIFA 20 54% 46%
Need For Speed Heat 189% 174%
Grand Theft Auto VI 342% 319%

In terms of overall gaming performance, the graphical capabilities of the AMD Radeon HD 5870 2048MB are very slightly better than the AMD Radeon HD 6870 PowerColor 1GB Edition.

The HD 6870 has a 50 MHz higher core clock speed than the HD 5870, but the HD 5870 has 24 more Texture Mapping Units than the HD 6870. As a result, the HD 5870 exhibits a 17.6 GTexel/s better Texture Fill Rate than the HD 6870. This still holds weight but shader performance is generally more relevant, particularly since both of these GPUs support at least DirectX 10.

The HD 6870 has a 50 MHz higher core clock speed than the HD 5870 and the same number of Render Output Units. This results in the HD 6870 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 HD 6870 was released over a year more recently than the HD 5870, and so the HD 6870 is likely to have better driver support, meaning it will be more optimized for running the latest games when compared to the HD 5870.

The HD 5870 has 1024 MB more video memory than the HD 6870, so is likely to be much better at displaying game textures at higher resolutions. This is supported by the fact that the HD 5870 also has superior memory performance overall.

The HD 5870 has 19.2 GB/sec greater memory bandwidth than the HD 6870, which means that the memory performance of the HD 5870 is slightly better than the HD 6870.

The Radeon HD 6870 PowerColor 1GB Edition has 1120 Shader Processing Units and the Radeon HD 5870 2048MB has 1600. However, the actual shader performance of the HD 6870 is 504 and the actual shader performance of the HD 5870 is 680. The HD 5870 having 176 better shader performance and an altogether better performance when taking into account other relevant data means that the HD 5870 delivers a noticeably smoother and more efficient experience when processing graphical data than the HD 6870.

The Radeon HD 5870 2048MB requires 195 Watts to run but there is no entry for the HD 6870. We would recommend a PSU with at least 500 Watts for the HD 6870 and a PSU with at least 500 Watts for the HD 5870. The two GPUs have been recommended a PSU with the same amount of wattage. As such, there is no need to worry about which will more significantly affect your yearly electricity bills.

Game FPS Benchmarks On Ultra

GPU Architecture

Core Speed900 MHzvs850 MHz
Boost Clock-vs-
ArchitectureTerascale 2 Barts XTTerascale 2 Cypress XT
OC Potential Fair vs Fair
Driver Support Poor vs Poor
Release Date01 Nov 2011vs01 Sep 2009
GPU LinkGD LinkGD Link
Approved
Comparison

Resolution Performance

1366x768 - green tick vs green tick -
1600x900
7.9
green tick vs green tick
7.9
1920x1080
6
vs green tick
6.2
2560x1440
4.3
vs green tick
4.4
3840x2160 - green tick vs green tick -

GPU Memory

Memory1024 MBvs2048 MB
Memory Speed1050 MHzvs1200 MHz
Memory Bus256 Bitvs256 Bit
Memory TypeGDDR5vsGDDR5
Memory Bandwidth134.4GB/secvs153.6GB/sec
L2 Cache 512 KB green tick vs green tick 512 KB
Delta Color Compression no vs no
Memory Performance 0% green tick vs green tick 0%
Comparison

GPU Display

Shader Processing Units1120vs1600
Actual Shader Performance24%vs33%
Technology40nmvs40nm
Texture Mapping Units56vs80
Texture Rate50.4 GTexel/svs68 GTexel/s
Render Output Units32vs32
Pixel Rate28.8 GPixel/svs27.2 GPixel/s
Comparison

GPU Outputs

Max Digital Resolution (WxH)2560x1600vs2560x1600
VGA Connections0vs0
DVI Connections2vs2
HDMI Connections1vs1
DisplayPort Connections-vs-
Comparison

GPU Power Requirements

Max Power-195 Watts
Recommended PSU500 Wattsvs500 Watts & 40 Amps

GPU Features

DirectX11.0vs11.0
Shader Model5.0vs5.0
Open GL4.3vs4.3
Open CL-vs-
Notebook GPUnono
SLI/Crossfireyesvsyes
Dedicatedyesvsyes
Comparison

GPU Supporting Hardware

Recommended ProcessorIntel Core i5-760 2.8GHzvsIntel Core i7-860 Quad 2.80GHz
Recommended RAM8 GBvs8 GB
Maximum Recommended Gaming Resolution1920x1080vs1920x1080

Gaming Performance Value

Performance Value

GPU Mini Review

Mini ReviewRadeon HD 6870 PowerColor 1GB Edition is a special edition of the high-end Radeon HD 6870. See its page for more information about it.
It has no new features and so it can be addressed as a renamed Radeon HD 6870. Therefore its performance is exactly like the standard's.
The Evergreen series is a family of GPUs developed by AMD graphics products division. The existence was spotted on a presentation slide from AMD Technology Analyst Day July 2007 as 'R8xx'. ATI held a press event in the USS Hornet museum on September 10, 2009 and announced ATI Eyefinity multi-display technology and specifications of the Radeon HD 5800 series' variants. The first variants of the Radeon HD 5800 series were launched September 23, 2009, with the HD 5700 series launching October 12 and HD 5970 launching on November 18 The HD 5670, was launched on January 14, 2010, and the HD 5500 and 5400 series were launched in February of 2010, completing what has appeared to be most of ATI's Evergreen GPU lineup.
Demand so greatly outweighed supply that more than two months after launch, many online retailers were still having trouble keeping the 5800 and 5900 series in stock.
Recommended CPU
Possible GPU Upgrades
GPU Variants
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