Radeon HD 7770 GHz Edition Overview
Summary
Performance summary, based on benchmarks charts.
The Radeon HD 7770 GHz Edition is a graphics card released by AMD on 15 Feb 2012. The graphics card houses the Cape Verde die, based on the AMD_GCN_1_0 architecture which packs 1,500 million transistors on a 28 nm, 123 mm2 die.
Radeon HD 7770 GHz Edition pros and cons |
| Supports Direct3D 12 Async Compute |
| Supports ReLive (allows game streaming/recording with minimum performance penalty) |
| Supports Mantle |
| Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications |
Compared to similar performing cards
|  |  |  |  |  |
|---|
| Radeon HD 7770 GHz Edition | GeForce GTX 650 Ti | Radeon HD 6950 | Radeon HD 6870 | Radeon HD 6850 |
|---|
| | compare | compare | compare | compare |
|---|
| Shader units | 640 | 768 | 1408 | 1120 | 960 |
| ROPs | 16 | 16 | 32 | 32 | 32 |
| Graphics processor | Cape Verde | GK106 | Cayman | Barts | Barts |
| Process size | 28 nm | 28 nm | 40 nm | 40 nm | 40 nm |
| Memory | 1024 Mb GDDR5 (1125 MHz
4500 MHz effective) | 1024 Mb GDDR5 (1350 MHz
5400 MHz effective) | 2048 Mb GDDR5 (1250 MHz
5000 MHz effective) | 1024 Mb GDDR5 (1050 MHz
4200 MHz effective) | 1024 Mb GDDR5 (1000 MHz
4000 MHz effective) |
| Memory bus width | 128 bit | 128 bit | 256 bit | 256 bit | 256 bit |
| Memory bandwidth | 72.00 Gb/s | 86.40 Gb/s | 160.00 Gb/s | 134.00 Gb/s | 128.00 Gb/s |
| Release date | 15 Feb 2012 | 9 Oct 2012 | 14 Dec 2010 | 21 Oct 2010 | 21 Oct 2010 |
Hitman Absolution
FPS (higher is better)
Medal Of Honor Warfighter
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Bioshock Infinite
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Crysis 3
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