Hardware Spec Index

Zephyra GX-3945 Prime 12GB GDDR6X Graphics Card

Graphics Cards · Zephyra · SKU GX3945-PRIME · Released 2022 · Updated 2026-10-18

Key facts

Benchmark index27,590 (Graphics Cards scale)
Category rank#34,863
Street price$989
Power295 W (TGP)
Performance per dollar27.90
Released2022

Specifications

BrandZephyra
ModelZephyra GX-3945 Prime
Video memory12 GB GDDR6X
Memory bus192-bit
Memory speed21 Gbps
Memory bandwidth504 GB/s
Shader units12,288
Boost clock1,898 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)295 W
Power connectors3× 8-pin PCIe
Recommended PSU700 W
Ray tracingHardware-accelerated
UpscalingDLSS 3
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size3-slot, 280 mm

Related guides

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

Similar Graphics Cards

ModelBenchmarkPriceCompare
Zephyra GX-8693 Prime 16GB GDDR6 Graphics Card28,660$839Compare
Teralux GX-1989 XT 32GB GDDR7 Graphics Card43,077$1,929Compare
Veltrix GX-2568 SE 16GB GDDR6X Graphics Card31,121$1,279Compare
Orbita GX-6945 Plus 16GB GDDR6 Graphics Card25,992$669Compare
Nexora GX-2906 Edge 16GB GDDR6 Graphics Card31,287$1,169Compare
Orbita GX-4714 Pro 8GB GDDR7 Graphics Card24,356$619Compare

All Graphics Cards · JSON

Cite this page: Hardware Spec Index, “Zephyra GX-3945 Prime 12GB GDDR6X Graphics Card”, https://vextor7.com/item/4530454 (accessed 2026-10-18).