Graphics card comparison
GeForce GTX 660 vs Radeon R9 270X
Nvidia
GeForce GTX 660
2048 Mb GDDR5
Released 6 Sep 2012
DESKTOP
VS
AMD
Radeon R9 270X
2048 Mb GDDR5
Released 8 Oct 2013
DESKTOP
Summary
Synthetic performance index
- GeForce GTX 660100%
- Radeon R9 270X127%
Relative performance
Gaming performance index
- GeForce GTX 660100%
- Radeon R9 270X118%
Relative performance
Reasons to consider the GeForce GTX 660
- 40 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon R9 270X .
- 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- Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications
Reasons to consider the Radeon R9 270X
- 18% higher gaming performance.
- 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- Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications
Our verdict
HWSpot recommends the Radeon R9 270X
The Radeon R9 270X is the better performing card based on the game benchmark suite used (10 combinations of games and resolutions).
Specifications
Core configuration
| GeForce GTX 660 | Radeon R9 270X |
| GPU Name | GK106 (GK106-400-A1) | Curacao (Curacao XT) |
| Fab Process | 28 nm | 28 nm |
| Die Size | 221 mm² | 212 mm² |
| Transistors | 2,540 million | 2,800 million |
| Shaders | 960 | 1280 |
| Compute Units | 5 | 20 |
| Core clock | 980 MHz | 1000 MHz |
| ROPs | 24 | 32 |
| TMUs | 80 | 80 |
Memory configuration
| GeForce GTX 660 | Radeon R9 270X |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 192 bit | 256 bit |
| Memory Speed | 1502 MHz
6008 MHz effective | 1400 MHz
5600 MHz effective |
| Memory Size | 2048 Mb | 2048 Mb |
Additional details
| GeForce GTX 660 | Radeon R9 270X |
| TDP | 140 watts | 180 watts |
| Release Date | 6 Sep 2012 | 8 Oct 2013 |
Raw performance comparison
Pixel Rate
- GeForce GTX 66019.60 GP/s
- Radeon R9 270X32.00 GP/s
GigaPixels - higher is better
Texel Rate
- GeForce GTX 66078.40 GT/s
- Radeon R9 270X80.00 GT/s
GigaTexels - higher is better
Memory bandwidth
- GeForce GTX 660144.00 GB/s
- Radeon R9 270X179.00 GB/s
GB/s - higher is better
Single precision performance
- GeForce GTX 6601882.00 GFLOPs
- Radeon R9 270X2560.00 GFLOPs
GFLOPs - higher is better
Synthetic benchmarks
3DMark 11
- GeForce GTX 6606800
- Radeon R9 270X8700
Points (higher is better)
Game benchmarks
Battlefield 4
DX11, Ultra Quality,2x MSAA,16x AF, HBAO
- GeForce GTX 66043
- Radeon R9 270X53
FPS (higher is better)
Bioshock Infinite
DX11, Ultra Quality,DDOD, FX AA
- GeForce GTX 66050
- Radeon R9 270X52
FPS (higher is better)
Crysis 3
DX11,Very High Quality, FXAA
- GeForce GTX 66030
- Radeon R9 270X33
FPS (higher is better)
Hitman Absolution
DX11, High Quality, 2x MSAA, 16x AF
- GeForce GTX 66042
- Radeon R9 270X52
FPS (higher is better)
Medal Of Honor Warfighter
DX11, Ultra Quality, 4xMSAA
- GeForce GTX 66039
- Radeon R9 270X48
FPS (higher is better)
Metro Last Light
DX11, AAA standard, 16xAF, Motion Blur normal, Tesselation normal
- GeForce GTX 66032
- Radeon R9 270X38
FPS (higher is better)
Bioshock Infinite
DX11, Ultra, DDOD, FXAA
- GeForce GTX 66031
- Radeon R9 270X34
FPS (higher is better)
Grand Theft Auto V
DX11, Max Details, 16:1 AF, 2xMSAA
- GeForce GTX 66025
- Radeon R9 270X28
FPS (higher is better)
Hitman Absolution
DX11, High Quality, 2x MSAA, 16x AF
- GeForce GTX 66027
- Radeon R9 270X39
FPS (higher is better)
Grand Theft Auto V
DX11, Max Details, 16:1 AF, 2xMSAA
- GeForce GTX 66037
- Radeon R9 270X42
FPS (higher is better)