HD Graphics 4000 Mobile (Ivy Bridge GT2) vs Radeon HD 7970
Summary
Reasons to consider HD Graphics 4000 Mobile (Ivy Bridge GT2) |
| 205 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon HD 7970 . |
Reasons to consider Radeon HD 7970 |
| Higher theoretical gaming performance, based on specifications. |
| 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| Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications |
HWBench recommends Radeon HD 7970
Based on theoretical specifications.
Core Configuration
| HD Graphics 4000 Mobile (Ivy Bridge GT2) | | Radeon HD 7970 | |
|---|
| GPU Name | Ivy Bridge GT2 () | vs | Tahiti (Tahiti XT) |
| Fab Process | 22 nm | vs | 28 nm |
| Die Size | 133 mm² | vs | 352 mm² |
| Transistors | 392 million | vs | 4,313 million |
| Shaders | 16 | vs | 2048 |
| Compute Units | 0 | vs | 32 |
| Core clock | 650 MHz | vs | 925 MHz |
| ROPs | 2 | vs | 32 |
| TMUs | 4 | vs | 128 |
Memory Configuration
| HD Graphics 4000 Mobile (Ivy Bridge GT2) | | Radeon HD 7970 | |
|---|
| Memory Type | System Shared | vs | GDDR5 |
| Bus Width | System Shared | vs | 384 bit |
| Memory Speed | System Shared | vs | 1375 MHz
5500 MHz effective |
| Memory Size | 0 Mb | vs | 3072 Mb |
Additional details
| HD Graphics 4000 Mobile (Ivy Bridge GT2) | | Radeon HD 7970 | |
|---|
| TDP | 45 watts | vs | 250 watts |
| Release Date | 14 May 2012 | vs | 22 Dec 2011 |
GigaPixels - higher is better
GigaTexels - higher is better
GFLOPs - higher is better