Hardware Spec Index

Zephyra GX-3957 Ultra 12GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX3957-ULTRA · Released 2023 · Updated 2026-10-22

Key facts

Benchmark index15,682 (Graphics Cards scale)
Category rank#25,169
Street price$279
Power170 W (TGP)
Performance per dollar56.21
Released2023

Specifications

BrandZephyra
ModelZephyra GX-3957 Ultra
Video memory12 GB GDDR6
Memory bus192-bit
Memory speed18 Gbps
Memory bandwidth432 GB/s
Shader units5,376
Boost clock2,046 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)170 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU600 W
Ray tracingHardware-accelerated
UpscalingDLSS 3
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size2-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-3957 Ultra 12GB GDDR6 Graphics Card”, https://vextor7.com/item/30450088 (accessed 2026-10-22).