Graphics Cards comparison
PowerColor RX 6600 vs Sapphire RX 6400
Specs, platform, power, size and UK prices side by side. Every value comes from the product listing; anything we don't hold is marked unknown.
Key differences
- Different graphics chips: RX 6600 against RX 6400.
- The PowerColor RX 6600 has 8 GB of video memory against 4 GB. More video memory helps at higher resolutions and texture settings.
- The PowerColor RX 6600 is 144 mm longer (200 mm). Check your case's graphics card clearance.
- The PowerColor RX 6600's maker recommends at least a 500 W power supply, against 350 W for the Sapphire RX 6400.
- The Sapphire RX 6400 is £28.14 cheaper at its lowest listed new price (£174.42 against £202.56).
Performance
We don't have measured benchmark results for these parts yet, and we don't publish estimated scores. Specs like core count, clock speed and video memory are a guide, not a measure of speed in games or apps.
Specifications
| Specification | PowerColor RX 6600 | Sapphire RX 6400 |
|---|---|---|
| Graphics chip | ||
| Graphics chip | RX 6600 | RX 6400 |
| Memory | ||
| Video memory | 8 GBHigher | 4 GB |
| Memory type | GDDR6 | GDDR6 |
| Platform | ||
| PCIe interface | Unknown | Unknown |
| Power | ||
| Recommended PSUThe card maker's recommended minimum power supply. | 500 W | 350 W |
| Power connectors | Unknown | Unknown |
| Size and fit | ||
| LengthCheck against your case's maximum graphics card length. | 200 mm | 56.2 mm |
| Thickness (slots) | Unknown | Unknown |
| Height | 111 mm | 17.2 mm |
| Width | 39 mm | 170 mm |
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