GeForce GTX 980 vs 680 Mac |
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Differences What are the advantages of each
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| Significantly higher pixel rate | 77.82 GPixel/s | vs | 32.2 GPixel/s | Around 2.5x higher pixel rate | |||
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| Better floating-point performance | 4,981 GFLOPS | vs | 3,090.4 GFLOPS | More than 60% better floating-point performance | |||
| More memory | 4,096 MB | vs | 2,048 MB | 2x more memory | |||
| Higher effective memory clock speed | 7,012 MHz | vs | 6,008 MHz | More than 15% higher effective memory clock speed | |||
| Higher clock speed | 1,127 MHz | vs | 1,006 MHz | More than 10% higher clock speed | |||
| Significantly more render output processors | 64 | vs | 32 | Twice as many render output processors | |||
| Higher memory bandwidth | 224.4 GB/s | vs | 192.3 GB/s | More than 15% higher memory bandwidth | |||
| Higher texture rate | 155.6 GTexel/s | vs | 128.8 GTexel/s | More than 20% higher texture rate | |||
| More shading units | 2,048 | vs | 1,536 | 512 more shading units | |||
| Higher turbo clock speed | 1,216 MHz | vs | 1,058 MHz | Around 15% higher turbo clock speed | |||
| Higher memory clock speed | 1,753 MHz | vs | 1,502 MHz | More than 15% higher memory clock speed | |||
| Lower TDP | 165W | vs | 195W | More than 15% lower TDP | |||
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| GPUBoss is not aware of any important advantages of the EVGA GeForce GTX 680 Mac vs the Nvidia GeForce GTX 980. | |||||||
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Features Key features of the GeForce GTX 980 vs 680 Mac
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 | GeForce GTX 980 | vs | 680 Mac |
|---|---|---|---|
| GPU brand | Nvidia | Nvidia | |
| GPU name | GM204 | GK104 | |
| Market | Desktop | Desktop | |
| Clock speed | 1,127 MHz | 1,006 MHz | |
| Turbo clock speed | 1,216 MHz | 1,058 MHz | |
| Is dual GPU | No | No | |
| Reference card | None | Nvidia GeForce GTX 680 Mac Edition 1 GHz 2 GB | |
raw performance | |||
| Shading units | 2,048 | 1,536 | |
| Texture mapping units | 128 | 128 | |
| Render output processors | 64 | 32 | |
| Pixel rate | 77.82 GPixel/s | 32.2 GPixel/s | |
| Texture rate | 155.6 GTexel/s | 128.8 GTexel/s | |
| Floating-point performance | 4,981 GFLOPS | 3,090.4 GFLOPS | |
memory | GeForce GTX 980 | vs | 680 Mac |
|---|---|---|---|
| Memory clock speed | 1,753 MHz | 1,502 MHz | |
| Effective memory clock speed | 7,012 MHz | 6,008 MHz | |
| Memory bus | 256 bit | 256 bit | |
| Memory | 4,096 MB | 2,048 MB | |
| Memory type | GDDR5 | GDDR5 | |
| Memory bandwidth | 224.4 GB/s | 192.3 GB/s | |
noise and power | |||
| TDP | 165W | 195W | |
