ASRock Radeon RX 6600 XT Challenger ITX 8GB vs Radeon RX 6400 Challenger ITX 4GB Graphics Card Comparison

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ASRock Radeon RX 6600 XT Challenger ITX 8GB	ASRock Radeon RX 6400 Challenger ITX 4GB
Prices (Change region) Out of Stock Free shipping $229.99 Out of Stock Free shipping $696.00	Prices (Change region) In Stock $199.15 Last updated 26 minutes ago.
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Brand ASRock	Brand ASRock
Model RX6600XT CLI 8G	Model RX6400 CLI 4G
Release Date -	Release Date -
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews Add a product review	User reviews Add a product review
GPU Gaming Performance (Rasterization) (Charts) 43rd / 103 (0%)	GPU Gaming Performance (Rasterization) (Charts) 82nd / 103 (-195%)
Gaming Effective Value 479th / 1616	Gaming Effective Value 1269th / 1616
TDP 🔌 160 Watts	TDP 🔌 53 Watts
Price history View Details ►	Price history View Details ►
Compatible PC parts Cases ► Power Supplies ►	Compatible PC parts Cases ► Power Supplies ►
Series -	Series AMD Radeon RX 6000 Series
GPU Interface PCIe x16	GPU Interface PCIe x16
GPU Chipset Radeon RX 6600 XT	GPU Chipset Radeon RX 6400
GPU Memory Size 8 GB	GPU Memory Size 4 GB
GPU Memory Type GDDR6	GPU Memory Type GDDR6
GPU Memory Interface 128-bit	GPU Memory Interface 64-bit
GPU Clock Rate 1968 MHz	GPU Clock Rate 1923 MHz
GPU Boost Clock Rate 2589 MHz	GPU Boost Clock Rate 2321 MHz
Max Resolution -	Max Resolution 7680 x 4320
Length 179 mm	Length 162 mm
Cooling Type 1 Fan	Cooling Type 1 Fan
Power Connectors 1 PCIe 8-pin	Power Connectors None
DirectX -	DirectX DirectX 12 Ultimate
OpenGL -	OpenGL OpenGL 4.6
SLI Support No	SLI Support No
CrossFire Support No	CrossFire Support No
DVI-D (Dual Link) 0	DVI-D (Dual Link) 0
DVI-I (Dual Link) 0	DVI-I (Dual Link) 0
DisplayPort 2	DisplayPort 1
HDMI 2	HDMI 1
G-SYNC Support No	G-SYNC Support No
FreeSync Support Yes	FreeSync Support Yes
Expansion slots required 2	Expansion slots required 2

What are the differences between ASRock Radeon RX 6600 XT Challenger ITX 8GB and Radeon RX 6400 Challenger ITX 4GB? Analyze head-to-head all specifications and features to find out the better graphics card.