GeForce GT 755M vs GeForce 845M
Summary
Reasons to consider GeForce GT 755M |
| 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| Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications |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 GeForce 845M |
| This is a much newer product, it might have better long term support. |
| Higher theoretical gaming performance, based on specifications. |
| Supports PhysX |
| Supports G-Sync |
| Supports ShadowPlay (allows game streaming/recording with minimum performance penalty) |
| Based on an outdated architecture (Nvidia Maxwell), there may be no performance optimizations for current games and applications |
HWBench recommends GeForce 845M
Based on theoretical specifications.
Core Configuration
| GeForce GT 755M | | GeForce 845M | |
|---|
| GPU Name | GK107 (GT 755M) | vs | GM108 () |
| Fab Process | 28 nm | vs | 28 nm |
| Die Size | 118 mm² | vs | 0 mm² |
| Transistors | 1,270 million | vs | unknown |
| Shaders | 384 | vs | 384 |
| Compute Units | 2 | vs | 3 |
| Core clock | 980 MHz | vs | 1071 MHz |
| ROPs | 16 | vs | 16 |
| TMUs | 32 | vs | 32 |
Memory Configuration
| GeForce GT 755M | | GeForce 845M | |
|---|
| Memory Type | GDDR5 | vs | GDDR5 |
| Bus Width | 128 bit | vs | 64 bit |
| Memory Speed | 1350 MHz
5400 MHz effective | vs | 1253 MHz
5012 MHz effective |
| Memory Size | 2048 Mb | vs | 2048 Mb |
Additional details
| GeForce GT 755M | | GeForce 845M | |
|---|
| TDP | 50 watts | vs | 33 watts |
| Release Date | 25 Jun 2013 | vs | 26 Aug 2015 |
GeForce GT 755M
7.84 GP/s
GeForce 845M
17.14 GP/s
GigaPixels - higher is better
GeForce GT 755M
31.36 GT/s
GeForce 845M
34.30 GT/s
GigaTexels - higher is better
GeForce GT 755M
86.40 GB/s
GeForce 845M
40.10 GB/s
GB/s - higher is better
GeForce GT 755M
752.60 GFLOPs
GeForce 845M
822.50 GFLOPs
GFLOPs - higher is better