Hardware Spec Index

Zephyra GX-3977 Prime 12GB GDDR7 Graphics Card

Graphics Cards · Zephyra · SKU GX3977-PRIME · Released 2026 · Updated 2026-10-19

Key facts

Benchmark index30,029 (Graphics Cards scale)
Category rank#45,248
Street price$929
Power370 W (TGP)
Performance per dollar32.32
Released2026

Specifications

BrandZephyra
ModelZephyra GX-3977 Prime
Video memory12 GB GDDR7
Memory bus192-bit
Memory speed32 Gbps
Memory bandwidth768 GB/s
Shader units12,160
Boost clock2,318 MHz
Bus interfacePCIe 5.0 x16
Total graphics power (TGP)370 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU800 W
Ray tracingHardware-accelerated
UpscalingFSR 4, FSR 3.1
Display outputs1× HDMI 2.1b, 3× DisplayPort 2.1b
Resizable BARSupported
Card size3-slot, 274 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-3977 Prime 12GB GDDR7 Graphics Card”, https://vextor7.com/item/18722 (accessed 2026-10-19).