Hardware Spec Index

Zephyra GX-6645 Prime 24GB GDDR6X Graphics Card

Graphics Cards · Zephyra · SKU GX6645-PRIME · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index41,381 (Graphics Cards scale)
Category rank#19,366
Street price$1,799
Power400 W (TGP)
Performance per dollar23.00
Released2021

Specifications

BrandZephyra
ModelZephyra GX-6645 Prime
Video memory24 GB GDDR6X
Memory bus384-bit
Memory speed23 Gbps
Memory bandwidth1,104 GB/s
Shader units17,792
Boost clock2,332 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)400 W
Power connectors3× 8-pin PCIe
Recommended PSU800 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size3-slot, 336 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-6645 Prime 24GB GDDR6X Graphics Card”, https://vextor7.com/item/5925136 (accessed 2026-10-21).