18


| GeForce GT 640 | Radeon HD 6670 | GeForce GTS 450 | Radeon HD 7750 | HIS HD 7750 IceQ X | GeForce GTX 550 Ti | GeForce GTX 650 | Radeon HD 6790 | Radeon HD 6850 | Radeon HD 7770 | GeForce GTX 650 Ti | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Shader Units | 384 | 480 | 192 | 512 | 512 | 192 | 384 | 800 | 960 | 640 | 768 |
| ROPs | 16 | 8 | 16 | 16 | 16 | 24 | 16 | 16 | 32 | 16 | 16 |
| Graphics Processor | GK107 | Turks | GF106 | Cape Verde | Cape Verde | GF116 | GK107 | Barts | Barts | Cape Verde | GK106 |
| Transistors | ???M | 716M | 1170M | 1500M | 1500M | 1170M | 1300M | 1700M | 1700M | 1500M | 2540M |
| Memory Size | 2048 MB | 1024 MB | 1024 MB | 1024 MB | 1024 MB | 1024 MB | 1024 MB | 1024 MB | 1024 MB | 1024 MB | 1024 MB |
| Memory Bus Width | 128 bit | 128 bit | 128 bit | 128 bit | 128 bit | 192 bit | 128 bit | 256 bit | 256 bit | 128 bit | 128 bit |
| Core Clock | 902 MHz | 800 MHz | 783 MHz | 800 MHz | 900 MHz | 900 MHz | 1058 MHz | 840 MHz | 775 MHz | 1000 MHz | 925 MHz |
| Memory Clock | 891 MHz | 1000 MHz | 900 MHz | 1125 MHz | 1125 MHz | 1026 MHz | 1250 MHz | 1050 MHz | 1000 MHz | 1125 MHz | 1350 MHz |
| Price | $90 | $60 | $100 | $90 | $120 | $110 | $120 | $140 | $140 | $120 | $150 |