Radeon HD 6850 vs GeForce GTX 660
Summary
Radeon HD 6850
100%
GeForce GTX 660
178%
Relative performance
Radeon HD 6850
100%
GeForce GTX 660
169%
Relative performance
Reasons to consider Radeon HD 6850 |
| Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications |
Reasons to consider GeForce GTX 660 |
| 69% higher gaming performance. |
| This is a much newer product, it might have better long term support. |
| Supports PhysX |
| Supports G-Sync |
| Supports ShadowPlay (allows game streaming/recording with minimum performance penalty) |
| Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications |
HWBench recommends GeForce GTX 660
The GeForce GTX 660 is the better performing card based on the game benchmark suite used (40 combinations of games and resolutions).
Core Configuration
| Radeon HD 6850 | | GeForce GTX 660 | |
|---|
| GPU Name | Barts (Barts PRO) | vs | GK106 (GK106-400-A1) |
| Fab Process | 40 nm | vs | 28 nm |
| Die Size | 255 mm² | vs | 221 mm² |
| Transistors | 1,700 million | vs | 2,540 million |
| Shaders | 960 | vs | 960 |
| Compute Units | 12 | vs | 5 |
| Core clock | 775 MHz | vs | 980 MHz |
| ROPs | 32 | vs | 24 |
| TMUs | 48 | vs | 80 |
Memory Configuration
| Radeon HD 6850 | | GeForce GTX 660 | |
|---|
| Memory Type | GDDR5 | vs | GDDR5 |
| Bus Width | 256 bit | vs | 192 bit |
| Memory Speed | 1000 MHz
4000 MHz effective | vs | 1502 MHz
6008 MHz effective |
| Memory Size | 1024 Mb | vs | 2048 Mb |
Additional details
| Radeon HD 6850 | | GeForce GTX 660 | |
|---|
| TDP | 127 watts | vs | 140 watts |
| Release Date | 21 Oct 2010 | vs | 6 Sep 2012 |
Radeon HD 6850
24.80 GP/s
GeForce GTX 660
19.60 GP/s
GigaPixels - higher is better
Radeon HD 6850
37.20 GT/s
GeForce GTX 660
78.40 GT/s
GigaTexels - higher is better
Radeon HD 6850
128.00 GB/s
GeForce GTX 660
144.00 GB/s
GB/s - higher is better
Radeon HD 6850
1488.00 GFLOPs
GeForce GTX 660
1882.00 GFLOPs
GFLOPs - higher is better
Radeon HD 6850
3810
GeForce GTX 660
6800
Points (higher is better)
Radeon HD 6850
36.8
GeForce GTX 660
53.7
FPS (higher is better)
Radeon HD 6850
40.7
GeForce GTX 660
68.5
FPS (higher is better)
Radeon HD 6850
25.2
GeForce GTX 660
49.7
FPS (higher is better)
DX11, Ultra Quality,2x MSAA,16x AF, HBAO
Radeon HD 6850
20
GeForce GTX 660
43
FPS (higher is better)
Radeon HD 6850
52.3
GeForce GTX 660
88.6
FPS (higher is better)
Radeon HD 6850
25.9
GeForce GTX 660
38.4
FPS (higher is better)
Radeon HD 6850
26.4
GeForce GTX 660
46.1
FPS (higher is better)
Radeon HD 6850
71.9
GeForce GTX 660
111.9
FPS (higher is better)
Radeon HD 6850
25.7
GeForce GTX 660
46.1
FPS (higher is better)
Radeon HD 6850
43.1
GeForce GTX 660
70.5
FPS (higher is better)
Radeon HD 6850
29.7
GeForce GTX 660
51.1
FPS (higher is better)
DX11, Ultra Quality, 4xMSAA
Radeon HD 6850
20
GeForce GTX 660
39
FPS (higher is better)
Radeon HD 6850
15.7
GeForce GTX 660
21.7
FPS (higher is better)
Radeon HD 6850
32.5
GeForce GTX 660
46.9
FPS (higher is better)
Radeon HD 6850
31.6
GeForce GTX 660
43.9
FPS (higher is better)
Radeon HD 6850
39.9
GeForce GTX 660
65.7
FPS (higher is better)
Radeon HD 6850
93.5
GeForce GTX 660
166.8
FPS (higher is better)
Radeon HD 6850
40.1
GeForce GTX 660
59.1
FPS (higher is better)
Radeon HD 6850
22.7
GeForce GTX 660
41
FPS (higher is better)
Radeon HD 6850
23
GeForce GTX 660
46.4
FPS (higher is better)
Radeon HD 6850
44.9
GeForce GTX 660
72
FPS (higher is better)
Radeon HD 6850
23
GeForce GTX 660
32.8
FPS (higher is better)
Radeon HD 6850
25.3
GeForce GTX 660
41.5
FPS (higher is better)
Radeon HD 6850
10.1
GeForce GTX 660
30.2
FPS (higher is better)
Radeon HD 6850
32.6
GeForce GTX 660
54.7
FPS (higher is better)
Radeon HD 6850
15.8
GeForce GTX 660
23.2
FPS (higher is better)
Radeon HD 6850
16.1
GeForce GTX 660
26.9
FPS (higher is better)
Radeon HD 6850
49.4
GeForce GTX 660
75.9
FPS (higher is better)
Radeon HD 6850
17.6
GeForce GTX 660
30.4
FPS (higher is better)
Radeon HD 6850
30.1
GeForce GTX 660
49.7
FPS (higher is better)
Radeon HD 6850
20.3
GeForce GTX 660
34.2
FPS (higher is better)
Radeon HD 6850
10.3
GeForce GTX 660
16.9
FPS (higher is better)
Radeon HD 6850
19
GeForce GTX 660
26.9
FPS (higher is better)
Radeon HD 6850
18
GeForce GTX 660
27.9
FPS (higher is better)
Radeon HD 6850
24
GeForce GTX 660
40.6
FPS (higher is better)
Radeon HD 6850
68.8
GeForce GTX 660
109.5
FPS (higher is better)
Radeon HD 6850
26.9
GeForce GTX 660
42.6
FPS (higher is better)
Radeon HD 6850
13.7
GeForce GTX 660
24.6
FPS (higher is better)
Radeon HD 6850
15.3
GeForce GTX 660
30.4
FPS (higher is better)
Radeon HD 6850
31.6
GeForce GTX 660
49.9
FPS (higher is better)