Radeon HD 7970 X2 vs GeForce GTX 970 |
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Differences What are the advantages of each
| |||||||
| Is dual GPU | Yes | vs | No | About half of graphics cards are dual GPU | |||
|---|---|---|---|---|---|---|---|
| Much higher memory bandwidth | 576 GB/s | vs | 224.4 GB/s | More than 2.5x higher memory bandwidth | |||
| Much higher texture rate | 268.8 GTexel/s | vs | 109.2 GTexel/s | Around 2.5x higher texture rate | |||
| Many more shading units | 4,096 | vs | 1,664 | 2432 more shading units | |||
| Many more texture mapping units | 256 | vs | 104 | 152 more texture mapping units | |||
| More memory | 6,144 MB | vs | 4,096 MB | 50% more memory | |||
| Much wider memory bus | 768 bit | vs | 256 bit | 3x wider memory bus | |||
| Better floating-point performance | 4,300.8 GFLOPS | vs | 3,494 GFLOPS | Around 25% better floating-point performance | |||
| Higher pixel rate | 67.2 GPixel/s | vs | 58.8 GPixel/s | Around 15% higher pixel rate | |||
| More render output processors | 64 | vs | 56 | 8 more render output processors | |||
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| Higher effective memory clock speed | 7,012 MHz | vs | 6,000 MHz | More than 15% higher effective memory clock speed | |||
| Higher memory clock speed | 1,753 MHz | vs | 1,500 MHz | More than 15% higher memory clock speed | |||
| Much lower TDP | 148W | vs | 375W | 2.5x lower TDP | |||
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Features Key features of the Radeon HD 7970 X2 vs GeForce GTX 970
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 HD 7970 X2 | vs | GeForce GTX 970 |
|---|---|---|---|
| GPU brand | AMD | Nvidia | |
| GPU name | New Zealand | GM204 | |
| Market | Desktop | Desktop | |
| Clock speed | 1,050 MHz | 1,050 MHz | |
| Is dual GPU | Yes | No | |
| Reference card | AMD Radeon HD 7970 X2 925 MHz 6 GB | None | |
raw performance | |||
| Shading units | 4,096 | 1,664 | |
| Texture mapping units | 256 | 104 | |
| Render output processors | 64 | 56 | |
| Pixel rate | 67.2 GPixel/s | 58.8 GPixel/s | |
| Texture rate | 268.8 GTexel/s | 109.2 GTexel/s | |
| Floating-point performance | 4,300.8 GFLOPS | 3,494 GFLOPS | |
memory | Radeon HD 7970 X2 | vs | GeForce GTX 970 |
|---|---|---|---|
| Memory clock speed | 1,500 MHz | 1,753 MHz | |
| Effective memory clock speed | 6,000 MHz | 7,012 MHz | |
| Memory bus | 768 bit | 256 bit | |
| Memory | 6,144 MB | 4,096 MB | |
| Memory type | GDDR5 | GDDR5 | |
| Memory bandwidth | 576 GB/s | 224.4 GB/s | |
noise and power | |||
| TDP | 375W | 148W | |
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