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GeForce GT 645M vs Radeon RX 6600 XT

GeForce GT 645M vs Radeon RX 6600 XT: game performance, price, value, and specification comparison. Select comparison game parameters.

vs
FPS Winner

Radeon RX 6600 XT

8 GB GDDR6 | 128-bit

AMD Radeon RX 6600 XT Logo
MSI Radeon RX 6600 XT MECH 2X 8G OC Gaming Graphics Card - 8GB GDDR6, 2602MHz, PCI Express 4, 128-bit, 3x DP v 1.4, HDMI 2.1 (Supports 4K & 8K)

Buy for £537.28 on Amazon

In Stock

Updated 489 minutes ago

vs
FPS Winner

Radeon RX 6600 XT

8 GB GDDR6 | 128-bit

AMD Radeon RX 6600 XT Logo
MSI Radeon RX 6600 XT MECH 2X 8G OC Gaming Graphics Card - 8GB GDDR6, 2602MHz, PCI Express 4, 128-bit, 3x DP v 1.4, HDMI 2.1 (Supports 4K & 8K)

Buy for £537.28 on Amazon

In Stock

Updated 489 minutes ago

Key Differences

In short — Radeon RX 6600 XT outperforms GeForce GT 645M on the selected game parameters. We do not have the prices of both GPUs to compare value. The better performing Radeon RX 6600 XT is 3224 days newer than GeForce GT 645M.

Advantages of GeForce GT 645M

  • Consumes up to 80% less energy than AMD Radeon RX 6600 XT - 32 vs 160 Watts

Advantages of Radeon RX 6600 XT

  • Performs up to 156% better in Diablo IV than GeForce GT 645M - 151 vs 59 FPS
  • Up to 300% more VRAM memory than NVIDIA GeForce GT 645M - 8 vs 2 GB
Calculator background
This is a free version of Diablo IV.
Diablo IV

Diablo IV

Resolution

1920 x 1080

Game Graphics

Ultra

NVIDIA GeForce GT 645M Logo
GeForce GT 645M

Mobile • Oct 1st, 2012


FPS

59

39%

Value, £/FPS

Price, £

AMD Radeon RX 6600 XT Logo
Radeon RX 6600 XT

Desktop • Jul 30th, 2021


FPS

151

100%

Value, £/FPS

£3.56/FPS

100%

Price, £

£537.28

100%

FPS and Value Winner

MSI Radeon RX 6600 XT MECH 2X 8G OC Gaming Graphics Card - 8GB GDDR6, 2602MHz, PCI Express 4, 128-bit, 3x DP v 1.4, HDMI 2.1 (Supports 4K & 8K)

Buy for £537.28 on Amazon

In Stock

Updated 489 minutes ago

Trending Games

With selected game settings

Resolution

1920 x 1080

Game Graphics

Ultra

NVIDIA GeForce GT 645M Logo
GeForce GT 645M

Mobile • Oct 1st, 2012

AMD Radeon RX 6600 XT Logo
Radeon RX 6600 XT

Desktop • Jul 30th, 2021

Theoretical Performance

NVIDIA GeForce GT 645M Logo
GeForce GT 645M

Mobile • Oct 1st, 2012


Pixel Fillrate

5.672 GPixel/s

3%

Texel Fillrate

22.69 GTexel/s

7%

AMD Radeon RX 6600 XT Logo
Radeon RX 6600 XT

Desktop • Jul 30th, 2021


Pixel Fillrate

165.7 GPixel/s

100%

Texel Fillrate

331.4 GTexel/s

100%

NVIDIA GeForce GT 645M Logo

GeForce GT 645M

vs
AMD Radeon RX 6600 XT Logo

Radeon RX 6600 XT

Oct 1st, 2012Release Date
Jul 30th, 2021
GeForce 600MGenerationNavi II
Not AvailableMSRP$379
NoneOutputs1x HDMI 2.1, 3x DisplayPort 1.4a
NonePower Connectors1x 8-pin
Mobile
Segment
Desktop
2 GBMemory
8 GB
DDR3TypeGDDR6
128-bitBus128-bit
28.8 GB/sBandwidth
256 GB/s
709 MHzBase Clock Speed
1968 MHz
Not AvailableBoost Clock Speed2589 MHz
900 MHzMemory Clock Speed
2000 MHz

PCs Using GeForce GT 645M or Radeon RX 6600 XT

With selected game settings

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