Hardware Spec Index

Zephyra GX-3646 Prime 16GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX3646-PRIME · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index35,665 (Graphics Cards scale)
Category rank#47,356
Street price$1,759
Power370 W (TGP)
Performance per dollar20.28
Released2022

Specifications

BrandZephyra
ModelZephyra GX-3646 Prime
Video memory16 GB GDDR6
Memory bus256-bit
Memory speed16 Gbps
Memory bandwidth512 GB/s
Shader units16,256
Boost clock1,973 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)370 W
Power connectors3× 8-pin PCIe
Recommended PSU800 W
Ray tracingHardware-accelerated
UpscalingFSR 2
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size3-slot, 316 mm

Related guides

How Much VRAM Do You Need? 1080p, 1440p, 4K and AIResizable BAR (ReBAR) ExplainedChoosing a GPU for 1440p GamingChoosing a GPU for 4K GamingGDDR7 Memory ExplainedPCIe 5.0 Explained

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Cite this page: Hardware Spec Index, “Zephyra GX-3646 Prime 16GB GDDR6 Graphics Card”, https://vextor7.com/item/7656983 (accessed 2026-10-20).