Radeon HD 6850M vs Radeon HD 8590M
Summary
Reasons to consider Radeon HD 6850M |
| Higher theoretical gaming performance, based on specifications. |
| Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications |
Reasons to consider Radeon HD 8590M |
| This is a much newer product, it might have better long term support. |
| 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| Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications |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 6850M
Based on theoretical specifications.
Core Configuration
| Radeon HD 6850M | | Radeon HD 8590M | |
|---|
| GPU Name | Granville (Granville PRO) | vs | Sun () |
| Fab Process | 40 nm | vs | 28 nm |
| Die Size | 166 mm² | vs | 77 mm² |
| Transistors | 1,040 million | vs | 1,040 million |
| Shaders | 800 | vs | 320 |
| Compute Units | 10 | vs | 5 |
| Core clock | 675 MHz | vs | 750 MHz |
| ROPs | 16 | vs | 8 |
| TMUs | 40 | vs | 20 |
Memory Configuration
| Radeon HD 6850M | | Radeon HD 8590M | |
|---|
| Memory Type | GDDR3 | vs | GDDR5 |
| Bus Width | 128 bit | vs | 64 bit |
| Memory Speed | 800 MHz
1600 MHz effective | vs | 1125 MHz
4500 MHz effective |
| Memory Size | 1024 Mb | vs | 1024 Mb |
Additional details
| Radeon HD 6850M | | Radeon HD 8590M | |
|---|
| TDP | 50 watts | vs | 0 watts |
| Release Date | 4 Jan 2011 | vs | 1 Mar 2013 |
Radeon HD 6850M
10.80 GP/s
Radeon HD 8590M
6.60 GP/s
GigaPixels - higher is better
Radeon HD 6850M
27.00 GT/s
Radeon HD 8590M
16.50 GT/s
GigaTexels - higher is better
Radeon HD 6850M
25.60 GB/s
Radeon HD 8590M
36.00 GB/s
GB/s - higher is better
Radeon HD 6850M
1080.00 GFLOPs
Radeon HD 8590M
528.00 GFLOPs
GFLOPs - higher is better