Hardware Spec Index

Zephyra GX-4645 Max 12GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX4645-MAX · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index15,739 (Graphics Cards scale)
Category rank#17,533
Street price$319
Power175 W (TGP)
Performance per dollar49.34
Released2020

Specifications

BrandZephyra
ModelZephyra GX-4645 Max
Video memory12 GB GDDR6
Memory bus192-bit
Memory speed16 Gbps
Memory bandwidth384 GB/s
Shader units5,760
Boost clock2,237 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)175 W
Power connectors2× 8-pin PCIe
Recommended PSU600 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.0b, 3× DisplayPort 1.4
Resizable BARSupported
Card size2.5-slot, 238 mm

Related guides

How Much VRAM Do You Need? 1080p, 1440p, 4K and AIResizable BAR (ReBAR) ExplainedGDDR7 Memory ExplainedChoosing a GPU for 1440p GamingChoosing a GPU for 4K GamingPCIe 5.0 Explained

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Cite this page: Hardware Spec Index, “Zephyra GX-4645 Max 12GB GDDR6 Graphics Card”, https://vextor7.com/item/1994674 (accessed 2026-10-22).