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Gaming Performance Comparison

Recommended System Requirements
Game Radeon HD 5850 XFX Black 1GB Edition Radeon HD 6870 Gigabyte OC Edition
Red Dead Redemption 2 197% 186%
Cyberpunk 2077 308% 293%
Doom Eternal 155% 146%
Call of Duty: Modern Warfare 197% 186%
Dragon Ball Z Kakarot 83% 77%
Halo: Reach 6% 9%
Microsoft Flight Simulator 308% 293%
Star Wars: Jedi - Fallen Order 308% 293%
Grand Theft Auto VI 354% 338%
Need For Speed Heat 197% 186%

In terms of overall gaming performance, the graphical capabilities of the AMD Radeon HD 6870 Gigabyte OC Edition are marginally better than the AMD Radeon HD 5850 XFX Black 1GB Edition.

The HD 6870 has a 150 MHz higher core clock speed than the HD 5850, but the HD 5850 has 16 more Texture Mapping Units than the HD 6870. As a result, the HD 5850 exhibits a 3.9 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 150 MHz higher core clock speed than the HD 5850 and the same number of Render Output Units. This results in the HD 6870 providing 4.8 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 less than a year after the HD 5850, and so they are likely to have similar driver support for optimizing performance when running the latest games.

The Radeon HD 5850 XFX Black 1GB Edition and the Radeon HD 6870 Gigabyte OC Edition have the same amount of video memory, but are likely to provide slightly different experiences when displaying game textures at high resolutions.

The HD 5850 has 9.6 GB/sec greater memory bandwidth than the HD 6870, which means that the memory performance of the HD 5850 is marginally better than the HD 6870.

The Radeon HD 5850 XFX Black 1GB Edition has 1440 Shader Processing Units and the Radeon HD 6870 Gigabyte OC Edition has 1120. However, the actual shader performance of the HD 5850 is 551 and the actual shader performance of the HD 6870 is 512. The HD 5850 having 39 better shader performance and an altogether better performance when taking into account other relevant data means that the HD 5850 delivers a marginally smoother and more efficient experience when processing graphical data than the HD 6870.

The Radeon HD 5850 XFX Black 1GB Edition requires 151 Watts to run and the Radeon HD 6870 Gigabyte OC Edition requires 251 Watts. We would recommend a PSU with at least 500 Watts for the HD 5850 and a PSU with at least 500 Watts for the HD 6870. The HD 6870 requires 100 Watts more than the HD 5850 to run. The difference is significant enough that the HD 6870 may have an adverse affect on your yearly electricity bills in comparison to the HD 5850.

Game FPS Benchmarks On Ultra

GPU Architecture

Core Speed765 MHzvs915 MHz
Boost Clock-vs-
ArchitectureTerascale 2 Cypress PROTerascale 2 Barts XT
OC Potential Poor vs Fair
Driver Support Poor vs Poor
Release Date13 Apr 2010vs01 Oct 2010
GPU LinkGD LinkGD Link
Approved
Comparison

Resolution Performance

1366x768 - green tick vs green tick -
1600x900
7.6
vs green tick
8
1920x1080
6
vs green tick
6.1
2560x1440
4.1
vs green tick
4.3
3840x2160 - green tick vs green tick -

GPU Memory

Memory1024 MBvs1024 MB
Memory Speed1125 MHzvs1050 MHz
Memory Bus256 Bitvs256 Bit
Memory TypeGDDR5vsGDDR5
Memory Bandwidth144GB/secvs134.4GB/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 Units1440vs1120
Actual Shader Performance27%vs25%
Technology40nmvs40nm
Texture Mapping Units72vs56
Texture Rate55.1 GTexel/svs51.2 GTexel/s
Render Output Units32vs32
Pixel Rate24.5 GPixel/svs29.3 GPixel/s
Comparison

GPU Outputs

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

GPU Power Requirements

Max Power151 Wattsvs251 Watts
Recommended PSU500 Watts & 40 Ampsvs500 Watts

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

Gaming Performance Value

Performance Value

GPU Mini Review

Mini ReviewOverview
Radeon HD 5850 XFX Black 1GB Edition is a special edition of AMD's High-End Radeon HD 5850 1GB, created by XFX.

Overclock Out of The Box
The Central Unit now runs at 765MHz, instead of 725MHz while the Memory Clock is now of 1125MHz.

Cooling Solution
The Cooling System has been replaced by XFX's custom-designed Thermal Design, meaning the Graphics Card runs cooler under load.

Performance
Benchmarks indicate a 6% performance over the reference Radeon HD 5850 1GB.
Radeon HD 6870 Gigabyte OC Edition is a special edition of the high-end Radeon HD 6870 that features a small increase in the core-clock and a new cooling system called WindForce 3X.
The GPU runs cooler but the performance boost is of only 1% according to most benchmarks.
Recommended CPU
Possible GPU Upgrades
GPU Variants
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