Radeon RX 550 vs GeForce GT 640 Rebrand |
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Differences What are the advantages of each
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| Much higher effective memory clock speed | 7,000 MHz | vs | 1,600 MHz | Around 4.5x higher effective memory clock speed | |||
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| Significantly higher clock speed | 1,100 MHz | vs | 720 MHz | Around 55% higher clock speed | |||
| Higher memory bandwidth | 112 GB/s | vs | 38.4 GB/s | Around 3x higher memory bandwidth | |||
| Much higher memory clock speed | 1,750 MHz | vs | 800 MHz | Around 2.2x higher memory clock speed | |||
| Higher pixel rate | 18.93 GPixel/s | vs | 4.32 GPixel/s | Around 4.5x higher pixel rate | |||
| Slightly better floating-point performance | 1,211 GFLOPS | vs | 414.7 GFLOPS | Around 3x better floating-point performance | |||
| More shading units | 512 | vs | 144 | 368 more shading units | |||
| Lower TDP | 50W | vs | 75W | Around 35% lower TDP | |||
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| More render output processors | 24 | vs | 16 | 8 more render output processors | |||
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Features Key features of the Radeon RX 550 vs GeForce GT 640 Rebrand
memory bandwidth Rate at which data can be read from or stored in onboard memory
pixel rate Number of pixels a graphics card can render to the screen every second
texture rate Speed at which a graphics card can perform texture mapping
floating point performance How fast the gpu can crunch numbers
shading units Subcomponents of the gpu, these run in parallel to enable fast pixel shading
texture mapping units Built into each gpu, these resize and rotate bitmaps for texturing scenes
Specifications Full list of technical specs
gpu | Radeon RX 550 | vs | GeForce GT 640 Rebrand |
|---|---|---|---|
| GPU brand | AMD | Nvidia | |
| GPU name | Lexa | GF116 | |
| Clock speed | 1,100 MHz | 720 MHz | |
| Is dual GPU | No | No | |
| Reference card | None | None | |
raw performance | |||
| Shading units | 512 | 144 | |
| Texture mapping units | 32 | 24 | |
| Render output processors | 16 | 24 | |
| Pixel rate | 18.93 GPixel/s | 4.32 GPixel/s | |
| Texture rate | 37.86 GTexel/s | 17.28 GTexel/s | |
| Floating-point performance | 1,211 GFLOPS | 414.7 GFLOPS | |
memory | Radeon RX 550 | vs | GeForce GT 640 Rebrand |
|---|---|---|---|
| Memory clock speed | 1,750 MHz | 800 MHz | |
| Effective memory clock speed | 7,000 MHz | 1,600 MHz | |
| Memory bus | 128 bit | 192 bit | |
| Memory | 2,048 MB | 1,536 MB | |
| Memory type | GDDR5 | DDR3 | |
| Memory bandwidth | 112 GB/s | 38.4 GB/s | |
noise and power | |||
| TDP | 50W | 75W | |
