Sapphire HD 7770 Vapor-X 1 GB
Packaging & Contents »Introduction

AMD's HD 7770 has been out for a while now and most board partners have released their customs designs. The card is based on AMD 28 nanometer silicon combined with the GCN shader architecture which promises lower power consumption at increased performance.

Sapphire's HD 770 Vapor-X uses the company's famous vapor chamber cooling solution and greatly increased clock speeds of 1100 MHz GPU and 1300 MHz memory.
| Radeon HD 5770 | Radeon HD 7750 | GeForce GTX 550 Ti | Radeon HD 6790 | Radeon HD 6850 | Radeon HD 7770 | Sapphire HD 7770 Vapor-X | GeForce GTX 460 | Radeon HD 6870 | GeForce GTX 560 | |
|---|---|---|---|---|---|---|---|---|---|---|
| Shader Units | 800 | 512 | 192 | 800 | 960 | 640 | 640 | 336 | 1120 | 336 |
| ROPs | 16 | 16 | 24 | 16 | 32 | 16 | 16 | 32 | 32 | 32 |
| Graphics Processor | Juniper | Cape Verde | GF116 | Barts | Barts | Cape Verde | Cape Verde | GF104 | Barts | GF114 |
| Transistors | 1040M | 1500M | 1170M | 1700M | 1700M | 1500M | 1500M | 1950M | 1700M | 1950M |
| Memory Size | 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 | 192 bit | 256 bit | 256 bit | 128 bit | 128 bit | 256 bit | 256 bit | 256 bit |
| Core Clock | 850 MHz | 800 MHz | 900 MHz | 840 MHz | 775 MHz | 1000 MHz | 1100 MHz | 675 MHz | 900 MHz | 810 MHz |
| Memory Clock | 1200 MHz | 1125 MHz | 1026 MHz | 1050 MHz | 1000 MHz | 1125 MHz | 1300 MHz | 900 MHz | 1050 MHz | 1002 MHz |
| Price | $110 | $110 | $120 | $120 | $140 | $130 | $150 | $140 | $155 | $170 |