GeForce 800M vs GeForce 945A
Summary
Reasons to consider GeForce 800M |
| Supports PhysX |
| Based on an outdated architecture (Nvidia Fermi), there are no performance optimizations for current games and applications |
Reasons to consider GeForce 945A |
| 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| Based on an outdated architecture (Nvidia Maxwell), there may be no performance optimizations for current games and applications |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 945A
Based on theoretical specifications.
Core Configuration
| GeForce 800M | | GeForce 945A | |
|---|
| GPU Name | GF117 (N14M-GL) | vs | GM108 () |
| Fab Process | 28 nm | vs | 28 nm |
| Die Size | 116 mm² | vs | 0 mm² |
| Transistors | 585 million | vs | unknown |
| Shaders | 48 | vs | 384 |
| Compute Units | 1 | vs | 3 |
| Core clock | 738 MHz | vs | 1072 MHz |
| ROPs | 8 | vs | 8 |
| TMUs | 8 | vs | 24 |
Memory Configuration
| GeForce 800M | | GeForce 945A | |
|---|
| Memory Type | DDR3 | vs | DDR3 |
| Bus Width | 64 bit | vs | 64 bit |
| Memory Speed | 900 MHz
1800 MHz effective | vs | 900 MHz
1800 MHz effective |
| Memory Size | 1024 Mb | vs | 2048 Mb |
Additional details
| GeForce 800M | | GeForce 945A | |
|---|
| TDP | 15 watts | vs | 33 watts |
| Release Date | 17 Mar 2014 | vs | 13 Mar 2015 |
GeForce 800M
1.47 GP/s
GeForce 945A
8.58 GP/s
GigaPixels - higher is better
GeForce 800M
5.90 GT/s
GeForce 945A
25.73 GT/s
GigaTexels - higher is better
GeForce 800M
14.40 GB/s
GeForce 945A
14.40 GB/s
GB/s - higher is better
GeForce 800M
141.70 GFLOPs
GeForce 945A
823.30 GFLOPs
GFLOPs - higher is better