GeForce 840A vs Radeon R7 250
Summary
GeForce 840A
100%
Radeon R7 250
112%
Relative performance
Reasons to consider GeForce 840A |
| 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| Based on an outdated architecture (Nvidia Maxwell), there may be no performance optimizations for current games and applications |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 R7 250 |
| Around 12% higher average synthetic performance. |
| 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| Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications |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 Radeon R7 250
The Radeon R7 250 is the better performing card based on the synthetic benchmarks used (1 benchmarks).
Core Configuration
| GeForce 840A | | Radeon R7 250 | |
|---|
| GPU Name | GM108 () | vs | Oland (Oland XT) |
| Fab Process | 28 nm | vs | 28 nm |
| Die Size | 0 mm² | vs | 90 mm² |
| Transistors | unknown | vs | 1,040 million |
| Shaders | 384 | vs | 384 |
| Compute Units | 3 | vs | 6 |
| Core clock | 1029 MHz | vs | 1000 MHz |
| ROPs | 8 | vs | 8 |
| TMUs | 16 | vs | 24 |
Memory Configuration
| GeForce 840A | | Radeon R7 250 | |
|---|
| Memory Type | DDR3 | vs | GDDR5 |
| Bus Width | 64 bit | vs | 128 bit |
| Memory Speed | 1001 MHz
2002 MHz effective | vs | 1150 MHz
4600 MHz effective |
| Memory Size | 1024 Mb | vs | 1024 Mb |
Additional details
| GeForce 840A | | Radeon R7 250 | |
|---|
| TDP | 33 watts | vs | 65 watts |
| Release Date | 17 Mar 2014 | vs | 8 Oct 2013 |
GeForce 840A
8.23 GP/s
Radeon R7 250
8.00 GP/s
GigaPixels - higher is better
GeForce 840A
16.46 GT/s
Radeon R7 250
24.00 GT/s
GigaTexels - higher is better
GeForce 840A
16.02 GB/s
Radeon R7 250
73.60 GB/s
GB/s - higher is better
GeForce 840A
790.30 GFLOPs
Radeon R7 250
768.00 GFLOPs
GFLOPs - higher is better
GeForce 840A
2430
Radeon R7 250
2740
Points (higher is better)