Radeon RX 550 vs Radeon HD 4855
Summary
Reasons to consider Radeon RX 550 |
| This is a much newer product, it might have better long term support. |
| Higher theoretical gaming performance, based on specifications. |
| Supports Direct3D 12 Async Compute |
| Supports FreeSync |
| Supports ReLive (allows game streaming/recording with minimum performance penalty) |
| Supports TrueAudio |
| Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications |
Reasons to consider Radeon HD 4855 |
| Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications |
HWBench recommends Radeon RX 550
Based on theoretical specifications.
Core Configuration
| Radeon RX 550 | | Radeon HD 4855 | |
|---|
| GPU Name | Polaris 12 (Baffin XT) | vs | RV770 (RV770 PRO) |
| Fab Process | 14 nm | vs | 55 nm |
| Die Size | 0 mm² | vs | 256 mm² |
| Transistors | unknown | vs | 956 million |
| Shaders | 640 | vs | 640 |
| Compute Units | 10 | vs | 8 |
| Core clock | 1125 MHz | vs | 575 MHz |
| ROPs | 16 | vs | 16 |
| TMUs | 40 | vs | 32 |
Memory Configuration
| Radeon RX 550 | | Radeon HD 4855 | |
|---|
| Memory Type | GDDR5 | vs | GDDR5 |
| Bus Width | 128 bit | vs | 256 bit |
| Memory Speed | 1750 MHz
7000 MHz effective | vs | 900 MHz
3600 MHz effective |
| Memory Size | 4096 Mb | vs | 512 Mb |
Additional details
| Radeon RX 550 | | Radeon HD 4855 | |
|---|
| TDP | 0 watts | vs | 110 watts |
| Release Date | 1 Apr 2017 | vs | 3 Jan 2010 |
Radeon RX 550
20.83 GP/s
Radeon HD 4855
9.20 GP/s
GigaPixels - higher is better
Radeon RX 550
52.10 GT/s
Radeon HD 4855
18.40 GT/s
GigaTexels - higher is better
Radeon RX 550
112.00 GB/s
Radeon HD 4855
115.00 GB/s
GB/s - higher is better
Radeon RX 550
1666.60 GFLOPs
Radeon HD 4855
736.00 GFLOPs
GFLOPs - higher is better