Graphics card comparison
Radeon 550X 640SP vs Radeon RX 550
AMD
Radeon 550X 640SP
4096 Mb GDDR5
Released 11 Apr 2018
DESKTOP
VS
AMD
Radeon RX 550
4096 Mb GDDR5
Released 1 Apr 2017
DESKTOP
Summary
Reasons to consider the Radeon 550X 640SP
- This is a much newer product, it might have better long term support.
- 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- Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications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 the Radeon RX 550
- 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- Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications
Our verdict
No clear winner declared
We have no data to declare a winner at this time.
Specifications
Core configuration
| Radeon 550X 640SP | Radeon RX 550 |
|---|
| GPU Name | Lexa (Lexa PRO
<br>
<span title="Chip code">(215-0904018)</span>) | Polaris 12 (Baffin XT) |
| Fab Process | 14 nm | 14 nm |
| Die Size | 103 mm² | 0 mm² |
| Transistors | 2,200 million | unknown |
| Shaders | 640 | 640 |
| Compute Units | 10 | 10 |
| Core clock | 1019 MHz | 1125 MHz |
| ROPs | 16 | 16 |
| TMUs | 40 | 40 |
Memory configuration
| Radeon 550X 640SP | Radeon RX 550 |
|---|
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 64 bit | 128 bit |
| Memory Speed | 1500 MHz
6000 MHz effective | 1750 MHz
7000 MHz effective |
| Memory Size | 4096 Mb | 4096 Mb |
Additional details
| Radeon 550X 640SP | Radeon RX 550 |
|---|
| TDP | 50 watts | 0 watts |
| Release Date | 11 Apr 2018 | 1 Apr 2017 |
Raw performance comparison
Pixel Rate
- Radeon 550X 640SP17.14 GP/s
- Radeon RX 55020.83 GP/s
GigaPixels - higher is better
Texel Rate
- Radeon 550X 640SP42.84 GT/s
- Radeon RX 55052.10 GT/s
GigaTexels - higher is better
Memory bandwidth
- Radeon 550X 640SP48.00 GB/s
- Radeon RX 550112.00 GB/s
GB/s - higher is better
Single precision performance
- Radeon 550X 640SP1371.00 GFLOPs
- Radeon RX 5501666.60 GFLOPs
GFLOPs - higher is better