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Gaming Performance Comparison

Recommended System Requirements
Game Radeon RX 460 2GB Radeon RX 490X 8GB
Cyberpunk 2077 82% 37%
Assassins Creed: Valhalla 67% 43%
Call of Duty: Black Ops Cold War 61% 44%
FIFA 21 8% 68%
Grand Theft Auto VI 156% 12%
Hitman 3 137% 18%
Genshin Impact 82% 37%
Far Cry 6 164% 9%
World of Warcraft: Shadowlands 161% 10%
Watch Dogs Legion 76% 39%

In terms of overall gaming performance, the graphical capabilities of the AMD Radeon RX 490X 8GB are massively better than the AMD Radeon RX 460 2GB.

The RX 460 has a 90 MHz higher core clock speed than the RX 490X, but the RX 490X has 328 more Texture Mapping Units than the RX 460. As a result, the RX 490X exhibits a 323 GTexel/s better Texture Fill Rate than the RX 460. This still holds weight but shader performance is generally more relevant, particularly since both of these GPUs support at least DirectX 10.

The RX 460 has a 90 MHz higher core clock speed than the RX 490X, but the RX 490X has 112 more Render Output Units than the RX 460. As a result, the RX 490X exhibits a 110.6 GPixel/s better Pixel Fill Rate than the RX 460. However, both GPUs support DirectX 9 or above, and pixeling performance is only really relevant when comparing older cards.

The RX 460 was released less than a year after the RX 490X, and so they are likely to have similar driver support for optimizing performance 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 RX 490X has 6144 MB more video memory than the RX 460, so is likely to be much better at displaying game textures at higher resolutions. However, the overall memory performance is about the same.

The memory bandwidth of the Radeon RX 460 2GB and the Radeon RX 490X 8GB are the same, which means the RX 460 and the RX 490X have equal limitations when it comes to graphical data transfer.

The Radeon RX 460 2GB has 896 Shader Processing Units and the Radeon RX 490X 8GB has 6144. However, the actual shader performance of the RX 460 is 1075. The RX 490X having 5069 better shader performance and an altogether better performance when taking into account other relevant data means that the RX 490X delivers a massively smoother and more efficient experience when processing graphical data than the RX 460.

The Radeon RX 460 2GB requires 75 Watts to run and the Radeon RX 490X 8GB requires 250 Watts. We would recommend a PSU with at least 350 Watts for the RX 460 and a PSU with at least 600 Watts for the RX 490X. The RX 490X requires 175 Watts more than the RX 460 to run. The difference is significant enough that the RX 490X may have an adverse affect on your yearly electricity bills in comparison to the RX 460.

Game FPS Benchmarks On Ultra

GPU Architecture

Core Speed1090 MHzvs1000 MHz
Boost Clock1200 MHzvs-
ArchitectureGCN 1.3 Baffin PROGCN 1.3 Polaris 10
OC Potential - vs None
Driver Support - vs Great
Release Date08 Aug 2016vs01 Jun 2016
GPU LinkGD LinkGD Link

Resolution Performance

1366x768 - green tick vs green tick -
green tick vs -
vs green tick
green tick vs -
green tick vs -

GPU Memory

Memory Speed1750 MHzvs500 MHz
Memory Bus-vs-
Memory Type-vs-
Memory Bandwidth-vs-
L2 Cache 1024 KB vs green tick 4096 KB
Delta Color Compression no vs yes
Memory Performance 0% green tick vs green tick 0%

GPU Display

Shader Processing Units896vs6144
Actual Shader Performance52%vs100%
Texture Mapping Units56vs384
Texture Rate61 GTexel/svs384 GTexel/s
Render Output Units16vs128
Pixel Rate17.4 GPixel/svs128 GPixel/s

GPU Outputs

Max Digital Resolution (WxH)7680x4320vs4096x2160
VGA Connections0vs0
DVI Connections1vs2
HDMI Connections1vs1
DisplayPort Connections1vs3

GPU Power Requirements

Max Power75 Wattsvs250 Watts
Recommended PSU350 Watts & 23 Ampsvs600 Watts & 42 Amps

GPU Features

Shader Model-vs-
Open GL-vs4.5
Open CL-vs-
Notebook GPUnono

GPU Supporting Hardware

Recommended ProcessorIntel Core i5-6500 3.2GHz-
Recommended RAM8 GB-
Maximum Recommended Gaming Resolution1600x900-

Gaming Performance Value

Performance Value

GPU Mini Review

Mini ReviewOverview
Radeon RX 460 2GB is a middle-class graphics card based on the third revision of the Graphics Core Next (GCN) Architecture. Note that there is a 4GB version of the RX 460, which should be considered for future proofing.

It equips a GPU codenamed Polaris 10 which is a 1st gen Polaris GPU, offering 896 Shader Processing Units, 48 TMUs and 16 ROPs.

The GPU accesses a 2GB frame buffer of fast GDDR5, through a 128-bit memory interface, while the Memory Clock operates at 1750MHz.

Power Consumption
With a rated board TDP of 75W, it requires at least a 350W PSU and relies entirely on the PCI slot for power, meaning no extra connectors are required.

This graphics card was designed and marketed towards the competitive MOBO gamers. A light weight, small form factor GPU solution that offers mobility, so that gamers travelling to events can bring a smaller cheaper gaming rig. The Radeon RX 460 2GB can play most modern games at medium graphics selection on a 1600p screen res and expect around 45+FPS

System Suggestions
Radeon RX 460 2GB is best suited for resolutions up to and including 1600x900. We recommend a mid range CPU and 8GB of system memory for optimal performance.
Radeon RX 490X 8GB is an Upcoming High-End Graphics Card based on the Third Revision of the Graphics Core Next (GCN) Architecture.



The GPU accesses a 8GB frame buffer of Second Generation HBM, through a 4096-bit memory interface. The size of the frame buffer is adequate. The Memory Clock Operates at 500MHz.

Power Consumption


System Suggestions
Radeon RX 490X 8GB is best suited for resolutions up to and including 3840x2160. We recommend a High-End Processor and 16GB of RAM for Optimal Performance.
Recommended CPU
Possible GPU Upgrades
GPU Variants