GeForce 845M vs Radeon HD 8790M
Summary
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| Based on an outdated architecture (Nvidia Maxwell), there may be no performance optimizations for current games and applications |
Reasons to consider Radeon HD 8790M |
| 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| Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications |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 GeForce 845M
Based on theoretical specifications.
Core Configuration
| GeForce 845M | | Radeon HD 8790M | |
|---|
| GPU Name | GM108 () | vs | Mars (Mars XTX) |
| Fab Process | 28 nm | vs | 28 nm |
| Die Size | 0 mm² | vs | 77 mm² |
| Transistors | unknown | vs | 1,040 million |
| Shaders | 384 | vs | 384 |
| Compute Units | 3 | vs | 6 |
| Core clock | 1071 MHz | vs | 850 MHz |
| ROPs | 16 | vs | 8 |
| TMUs | 32 | vs | 24 |
Memory Configuration
| GeForce 845M | | Radeon HD 8790M | |
|---|
| Memory Type | GDDR5 | vs | GDDR5 |
| Bus Width | 64 bit | vs | 128 bit |
| Memory Speed | 1253 MHz
5012 MHz effective | vs | 1000 MHz
4000 MHz effective |
| Memory Size | 2048 Mb | vs | 2048 Mb |
Additional details
| GeForce 845M | | Radeon HD 8790M | |
|---|
| TDP | 33 watts | vs | 0 watts |
| Release Date | 26 Aug 2015 | vs | 1 Apr 2013 |
GeForce 845M
17.14 GP/s
Radeon HD 8790M
7.20 GP/s
GigaPixels - higher is better
GeForce 845M
34.30 GT/s
Radeon HD 8790M
21.60 GT/s
GigaTexels - higher is better
GeForce 845M
40.10 GB/s
Radeon HD 8790M
64.00 GB/s
GB/s - higher is better
GeForce 845M
822.50 GFLOPs
Radeon HD 8790M
691.20 GFLOPs
GFLOPs - higher is better