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Radeon RX 6600M vs Radeon RX 7900 XT

Radeon RX 6600M vs Radeon RX 7900 XT: game performance, price, value, and specification comparison. Select comparison game parameters.

vs
FPS Winner

Radeon RX 7900 XT

20 GB GDDR6 | 320-bit

AMD Radeon RX 7900 XT Logo
Sapphire 11323-02-20G Pulse AMD Radeon RX 7900 XT Gaming Graphics Card with 20GB GDDR6, AMD RDNA 3

Buy for $659.99 on Amazon

In Stock

Updated 269 minutes ago

vs
FPS Winner

Radeon RX 7900 XT

20 GB GDDR6 | 320-bit

AMD Radeon RX 7900 XT Logo
Sapphire 11323-02-20G Pulse AMD Radeon RX 7900 XT Gaming Graphics Card with 20GB GDDR6, AMD RDNA 3

Buy for $659.99 on Amazon

In Stock

Updated 269 minutes ago

Key Differences

In short — Radeon RX 7900 XT outperforms Radeon RX 6600M on the selected game parameters. We do not have the prices of both GPUs to compare value. The better performing Radeon RX 7900 XT is 521 days newer than Radeon RX 6600M.

Advantages of Radeon RX 6600M

  • Consumes up to 67% less energy than AMD Radeon RX 7900 XT - 100 vs 300 Watts

Advantages of Radeon RX 7900 XT

  • Performs up to 4% better in League of Legends than Radeon RX 6600M - 405 vs 390 FPS
  • Up to 150% more VRAM memory than AMD Radeon RX 6600M - 20 vs 8 GB
Calculator background
This is a free version of League of Legends.
League of Legends

League of Legends

Resolution

1920 x 1080

Game Graphics

Very High

AMD Radeon RX 6600M Logo
Radeon RX 6600M

Mobile • May 31st, 2021


FPS

390

96%

Value, $/FPS

Price, $

AMD Radeon RX 7900 XT Logo
Radeon RX 7900 XT

Desktop • Nov 3rd, 2022


FPS

405

100%

Value, $/FPS

$1.63/FPS

100%

Price, $

$659.99

100%

FPS and Value Winner

Sapphire 11323-02-20G Pulse AMD Radeon RX 7900 XT Gaming Graphics Card with 20GB GDDR6, AMD RDNA 3

Buy for $659.99 on Amazon

In Stock

Updated 269 minutes ago

Trending Games

With selected game settings

Resolution

1920 x 1080

Game Graphics

Very High

AMD Radeon RX 6600M Logo
Radeon RX 6600M

Mobile • May 31st, 2021

AMD Radeon RX 7900 XT Logo
Radeon RX 7900 XT

Desktop • Nov 3rd, 2022

Theoretical Performance

AMD Radeon RX 6600M Logo
Radeon RX 6600M

Mobile • May 31st, 2021


Pixel Fillrate

154.6 GPixel/s

34%

Texel Fillrate

270.6 GTexel/s

34%

AMD Radeon RX 7900 XT Logo
Radeon RX 7900 XT

Desktop • Nov 3rd, 2022


Pixel Fillrate

459.6 GPixel/s

100%

Texel Fillrate

804.4 GTexel/s

100%

AMD Radeon RX 6600M Logo

Radeon RX 6600M

vs
AMD Radeon RX 7900 XT Logo

Radeon RX 7900 XT

May 31st, 2021Release Date
Nov 3rd, 2022
Navi MobileGenerationNavi III
Not AvailableMSRP$899
Portable Device DependentOutputs1x HDMI 2.1a, 2x DisplayPort 2.1, 1x USB Type-C
NonePower Connectors2x 8-pin
Mobile
Segment
Desktop
8 GBMemory
20 GB
GDDR6TypeGDDR6
128-bitBus320-bit
224 GB/sBandwidth
800 GB/s
2068 MHz
Base Clock Speed1500 MHz
2416 MHz
Boost Clock Speed2394 MHz
1750 MHzMemory Clock Speed
2500 MHz

PC Builds Using Radeon RX 6600M or Radeon RX 7900 XT

With selected game settings

Laptops Using Radeon RX 6600M or Radeon RX 7900 XT

With selected game settings

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