Select any two GPUs for comparison
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Gaming Performance Comparison

Recommended System Requirements
Game Radeon HD 5850 Crossfire GeForce GTX 660 MSI Hawk 2GB Edition
Red Dead Redemption 2 91% 102%
Call of Duty: Modern Warfare 91% 102%
Cyberpunk 2077 163% 178%
Zombieland: Double Tap - Road Trip 79% 89%
Microsoft Flight Simulator 163% 178%
Fortnite: Chapter 2 13% 7%
The Outer Worlds 59% 68%
Borderlands 3 102% 114%
FIFA 20 2% 8%
Need For Speed Heat 91% 102%

In terms of overall gaming performance, the graphical capabilities of the AMD Radeon HD 5850 Crossfire are very slightly better than the Nvidia GeForce GTX 660 MSI Hawk 2GB Edition.

The GTX 660 has a 235 MHz higher core clock speed than the HD 5850, but the HD 5850 has 64 more Texture Mapping Units than the GTX 660. As a result, the HD 5850 exhibits a 35.6 GTexel/s better Texture Fill Rate than the GTX 660. This still holds weight but shader performance is generally more relevant, particularly since both of these GPUs support at least DirectX 10.

The GTX 660 has a 235 MHz higher core clock speed than the HD 5850, but the HD 5850 has 40 more Render Output Units than the GTX 660. As a result, the HD 5850 exhibits a 28.4 GPixel/s better Pixel Fill Rate than the GTX 660. However, both GPUs support DirectX 9 or above, and pixeling performance is only really relevant when comparing older cards.

The GTX 660 was released over three years more recently than the HD 5850, and so the GTX 660 is likely to have far better driver support, meaning it will be much more optimized and ultimately superior to the HD 5850 when running the latest games.

Both GPUs exhibit very powerful performance, so it probably isn't worth upgrading from one to the other, as both are capable of running even the most demanding games at the highest settings.

The Radeon HD 5850 Crossfire and the GeForce GTX 660 MSI Hawk 2GB 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 111.8 GB/sec greater memory bandwidth than the GTX 660, which means that the memory performance of the HD 5850 is massively better than the GTX 660.

The Radeon HD 5850 Crossfire has 2880 Shader Processing Units and the GeForce GTX 660 MSI Hawk 2GB Edition has 960. However, the actual shader performance of the HD 5850 is 1591 and the actual shader performance of the GTX 660 is 1104. The HD 5850 having 487 better shader performance and an altogether better performance when taking into account other relevant data means that the HD 5850 delivers a massively smoother and more efficient experience when processing graphical data than the GTX 660.

The GTX 660 transistor size technology is 12 nm (nanometers) smaller than the HD 5850. This means that the GTX 660 is expected to run slightly cooler and achieve higher clock frequencies than the HD 5850.

The Radeon HD 5850 Crossfire requires 300 Watts to run but there is no entry for the GeForce GTX 660 MSI Hawk 2GB Edition. We would recommend a PSU with at least 600 Watts for the HD 5850.

GPU Architecture

Core Speed850 MHzvs1085 MHz
Boost Clock-vs1150 MHz
ArchitectureEvergreen Cypress PRO Kepler GK106-400-A1
OC Potential Fair vs Poor
Driver Support - vs Good
Release Date18 Sep 2009vs01 Oct 2012
GPU LinkGD LinkGD Link
Approved
Comparison

Resolution Performance

1366x768 - green tick vs green tick -
1600x900
9.5
green tick vs
9.2
1920x1080
7.5
green tick vs
7.3
2560x1440
5.3
green tick vs green tick
5.3
3840x2160
3.4
vs green tick
3.6

GPU Memory

Memory2048 MBvs2048 MB
Memory Speed1000 MHzvs1502 MHz
Memory Bus512 Bitvs192 Bit
Memory TypeGDDR5vsGDDR5
Memory Bandwidth256GB/secvs144.2GB/sec
L2 Cache 0 KB vs green tick 384 KB
Delta Color Compression no vs no
Memory Performance 0% green tick vs green tick 0%
Comparison

GPU Display

Shader Processing Units2880vs960
Actual Shader Performance77%vs53%
Technology40nmvs28nm
Texture Mapping Units144vs80
Texture Rate122.4 GTexel/svs86.8 GTexel/s
Render Output Units64vs24
Pixel Rate54.4 GPixel/svs26 GPixel/s
Comparison

GPU Outputs

Max Digital Resolution (WxH)2560x1600vs4096x2160
VGA Connections0vs0
DVI Connections2vs2
HDMI Connections1vs1
DisplayPort Connections-vs-
Comparison

GPU Power Requirements

Max Power300 Watts-
Recommended PSU600 Watts & 50 Amps-

GPU Features

DirectX11vs12.0
Shader Model5.0vs5.0
Open GL3.2vs4.5
Open CL-vs-
Notebook GPUnono
SLI/Crossfirenovsyes
Dedicatedyesvsyes
Comparison

GPU Supporting Hardware

Recommended ProcessorIntel Core i7-975 Quad 3.33GHz ExtremevsIntel Core i5-3470 3.2GHz
Recommended RAM8 GBvs8 GB
Maximum Recommended Gaming Resolution1920x1080vs1920x1080

Gaming Performance Value

Performance Value

GPU Mini Review

Mini ReviewRadeon HD 5850 Crossfire is a solution of two Radeon HD 5850 put together using AMD'S Crossfire technology.
Check the page of Radeon HD 5850 to know more about its chip.
Crossfire relies a lot on proper driver support and may suffer from micro-stuttering in lower frame rates (below 30). Benchmarks indicate the performance is overall, up to 60% better than a single Radeon HD 5850 performing by itself but it might be worse (depending on whether or not the 3D game supports crossfire or in the graphics driver) than a single Radeon HD 5850. Expect this combination to draw up to 302 Watt though the average power consumption should be slightly lower.
Even the most demanding games will run at the highest settings.
GeForce GTX 660 MSI Hawk 2GB Edition a special edition of GeForce GTX 660.
The new features include the Twin Frozr III Thermal Design cooling solution which, according to MSI, generates 20% more airflow than traditional fan design.
In terms of overclocking, the base-clock was increased from 980MHz to 1085MHz and the boost clock can now reach 1150MHz, instead of 1033MHz. The memory clock was left untouched.
The overclocking is therefore extreme and the performance boost is around 8% when compared to the standard GeForce GTX 660.
Recommended CPU
Possible GPU Upgrades
GPU Variants
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