Radeon R5 M255 vs Radeon R7 M340
Summary
Reasons to consider Radeon R5 M255 |
| 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| Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications |
Reasons to consider Radeon R7 M340 |
| 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| Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications |
No clear winner declared
We have no data to declare a winner at this time.
Core Configuration
| Radeon R5 M255 | | Radeon R7 M340 | |
|---|
| GPU Name | Topaz (Topaz PRO) | vs | Meso (Meso PRO) |
| Fab Process | 28 nm | vs | 28 nm |
| Die Size | 77 mm² | vs | 77 mm² |
| Transistors | unknown | vs | unknown |
| Shaders | 384 | vs | 320 |
| Compute Units | 6 | vs | 5 |
| Core clock | 925 MHz | vs | 943 MHz |
| ROPs | 8 | vs | 8 |
| TMUs | 24 | vs | 20 |
Memory Configuration
| Radeon R5 M255 | | Radeon R7 M340 | |
|---|
| Memory Type | GDDR5 | vs | DDR3 |
| Bus Width | 128 bit | vs | 64 bit |
| Memory Speed | 1000 MHz
4000 MHz effective | vs | 1000 MHz
2000 MHz effective |
| Memory Size | 1024 Mb | vs | 2048 Mb |
Additional details
| Radeon R5 M255 | | Radeon R7 M340 | |
|---|
| TDP | 0 watts | vs | 0 watts |
| Release Date | 12 Oct 2014 | vs | 5 May 2015 |
Radeon R5 M255
7.52 GP/s
Radeon R7 M340
8.17 GP/s
GigaPixels - higher is better
Radeon R5 M255
22.56 GT/s
Radeon R7 M340
20.42 GT/s
GigaTexels - higher is better
Radeon R5 M255
64.00 GB/s
Radeon R7 M340
16.00 GB/s
GB/s - higher is better
Radeon R5 M255
721.90 GFLOPs
Radeon R7 M340
653.40 GFLOPs
GFLOPs - higher is better