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Gaming Performance Comparison

Recommended System Requirements
Game Radeon HD 6870 IceQ X Edition Radeon HD 5870 1024MB
Halo: Reach 8% 13%
Cyberpunk 2077 297% 277%
Red Dead Redemption 2 189% 174%
Dragon Ball Z Kakarot 78% 69%
Call of Duty: Modern Warfare 189% 174%
Doom Eternal 149% 136%
Microsoft Flight Simulator 297% 277%
Grand Theft Auto VI 342% 319%
FIFA 20 54% 46%
Need For Speed Heat 189% 174%

In terms of overall gaming performance, the graphical capabilities of the AMD Radeon HD 5870 1024MB are very slightly better than the AMD Radeon HD 6870 IceQ X 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 Radeon HD 6870 IceQ X Edition and the Radeon HD 5870 1024MB have the same amount of video memory, but are likely to provide slightly different experiences when displaying game textures at high resolutions.

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 IceQ X Edition has 1120 Shader Processing Units and the Radeon HD 5870 1024MB 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 1024MB requires 188 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 Mar 2011vs23 Sep 2009
GPU LinkGD LinkGD Link
Approved
Comparison

Resolution Performance

1366x768 - vs green tick
10
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 MBvs1024 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-188 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 IceQ X Edition is a special edition of the high-end Radeon HD 6870. See its page for more information about it.
Compared to the Radeon HD 6870, this Special Edition has exactly the same specifications and the only new feature is an improved cooling system which doesn't affect performance directly.
Therefore, the performance is EXACTLY like the standard Radeon HD 6870 and enough to run today's demanding games at maximum settings while Very Demanding games like Metro 2033 or Max Payne 3, will probably require reduced settings to run smoothly.
Radeon HD 5870 1024MB is a High-End GPU part of the Evergreen HD 5000 family. HD 5870 wears the Cypress XT, which allows for 1600 Shader Processing Units, 80 TMUs and 32 ROPs. The Texture units increase from the Cypress Pro HD 5850 chip improves HD 5870 Filtering capabilities, while still mantaining the 256-bit Memory interface on GDDR5. Most modern demanding games will run on Ultra settings on Full HD, whereas really demanding games such as Crysis 3 and Far Cry 3 will require lowered Aliasing settings in order to achieve fluent FPS on 1080p. Power draw is rather overwhelming, and gamers looking to get this GPU will need a decent 500W PSU with two PCIe connectors.
Recommended CPU
Possible GPU Upgrades
GPU Variants
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