Radeon R9 M370X Mac vs HD 6970M Mac |
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Differences What are the advantages of each
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| Higher clock speed | 775 MHz | vs | 680 MHz | Around 15% higher clock speed | |||
|---|---|---|---|---|---|---|---|
| Higher effective memory clock speed | 4,500 MHz | vs | 3,600 MHz | 25% higher effective memory clock speed | |||
| Higher memory clock speed | 1,125 MHz | vs | 900 MHz | 25% higher memory clock speed | |||
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| Higher memory bandwidth | 115.2 GB/s | vs | 72 GB/s | More than 60% higher memory bandwidth | |||
| More render output processors | 32 | vs | 16 | Twice as many render output processors | |||
| Significantly wider memory bus | 256 bit | vs | 128 bit | 2x wider memory bus | |||
| Higher pixel rate | 21.76 GPixel/s | vs | 12.8 GPixel/s | 70% higher pixel rate | |||
| More shading units | 960 | vs | 640 | 320 more shading units | |||
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Features Key features of the Radeon R9 M370X Mac vs HD 6970M 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 | Radeon R9 M370X Mac | vs | HD 6970M Mac |
|---|---|---|---|
| GPU brand | AMD | AMD | |
| GPU name | Tropo | Blackcomb | |
| Market | Laptop | Laptop | |
| Clock speed | 775 MHz | 680 MHz | |
| Is dual GPU | No | No | |
| Reference card | None | None | |
raw performance | |||
| Shading units | 640 | 960 | |
| Texture mapping units | 40 | 48 | |
| Render output processors | 16 | 32 | |
| Compute units | 10 | 12 | |
| Pixel rate | 12.8 GPixel/s | 21.76 GPixel/s | |
| Texture rate | 32 GTexel/s | 32.6 GTexel/s | |
| Floating-point performance | 1,024 GFLOPS | 1,305.6 GFLOPS | |
memory | Radeon R9 M370X Mac | vs | HD 6970M Mac |
|---|---|---|---|
| Memory clock speed | 1,125 MHz | 900 MHz | |
| Effective memory clock speed | 4,500 MHz | 3,600 MHz | |
| Memory bus | 128 bit | 256 bit | |
| Memory | 2,048 MB | 2,048 MB | |
| Memory type | GDDR5 | GDDR5 | |
| Memory bandwidth | 72 GB/s | 115.2 GB/s |
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