Hardware Spec Index

Zephyra GX-4021 Pro 12GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX4021-PRO · Released 2024 · Updated 2026-10-22

Key facts

Benchmark index13,997 (Graphics Cards scale)
Category rank#36,578
Street price$219
Power155 W (TGP)
Performance per dollar63.91
Released2024

Specifications

BrandZephyra
ModelZephyra GX-4021 Pro
Video memory12 GB GDDR6
Memory bus192-bit
Memory speed16 Gbps
Memory bandwidth384 GB/s
Shader units4,864
Boost clock1,904 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)155 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, 223 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 Pro 12GB GDDR6 Graphics Card”, https://vextor7.com/item/9780129 (accessed 2026-10-22).