Graphics card comparison
Radeon RX 550X 640SP vs Radeon RX 550X
AMD
Radeon RX 550X 640SP
2048 Mb GDDR5
Released 11 Apr 2018
DESKTOP
VS
AMD
Radeon RX 550X
2048 Mb GDDR5
Released 11 Apr 2018
DESKTOP
Summary
Reasons to consider the Radeon RX 550X 640SP
- 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- Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications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 550X
- 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- Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications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 RX 550X 640SP | Radeon RX 550X |
|---|
| GPU Name | Baffin (Baffin LE) | Lexa (Lexa PRO
<br>
<span title="Chip code">(215-0904018)</span>) |
| Fab Process | 14 nm | 14 nm |
| Die Size | 123 mm² | 103 mm² |
| Transistors | 3,000 million | 2,200 million |
| Shaders | 640 | 512 |
| Compute Units | 10 | 8 |
| Core clock | 1019 MHz | 1100 MHz |
| ROPs | 16 | 16 |
| TMUs | 40 | 32 |
Memory configuration
| Radeon RX 550X 640SP | Radeon RX 550X |
|---|
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 128 bit | 128 bit |
| Memory Speed | 1500 MHz
6000 MHz effective | 1750 MHz
7000 MHz effective |
| Memory Size | 2048 Mb | 2048 Mb |
Additional details
| Radeon RX 550X 640SP | Radeon RX 550X |
|---|
| TDP | 60 watts | 50 watts |
| Release Date | 11 Apr 2018 | 11 Apr 2018 |
Raw performance comparison
Pixel Rate
- Radeon RX 550X 640SP17.14 GP/s
- Radeon RX 550X18.93 GP/s
GigaPixels - higher is better
Texel Rate
- Radeon RX 550X 640SP42.84 GT/s
- Radeon RX 550X37.86 GT/s
GigaTexels - higher is better
Memory bandwidth
- Radeon RX 550X 640SP96.00 GB/s
- Radeon RX 550X112.00 GB/s
GB/s - higher is better
Single precision performance
- Radeon RX 550X 640SP1371.00 GFLOPs
- Radeon RX 550X1211.00 GFLOPs
GFLOPs - higher is better