Hardware Spec Index

Zephyra GX-4021 XT 12GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX4021-XT · Released 2019 · Updated 2026-10-21

Key facts

Benchmark index14,055 (Graphics Cards scale)
Category rank#10,636
Street price$219
Power160 W (TGP)
Performance per dollar64.18
Released2019

Specifications

BrandZephyra
ModelZephyra GX-4021 XT
Video memory12 GB GDDR6
Memory bus192-bit
Memory speed18 Gbps
Memory bandwidth432 GB/s
Shader units4,992
Boost clock2,521 MHz
Bus interfacePCIe 3.0 x16
Total graphics power (TGP)160 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 (firmware update)
Card size2-slot, 226 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-4021 XT 12GB GDDR6 Graphics Card”, https://vextor7.com/item/3081202 (accessed 2026-10-21).