Hardware Spec Index

Zephyra GX-4255 Pro 12GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX4255-PRO · Released 2019 · Updated 2026-10-24

Key facts

Benchmark index14,078 (Graphics Cards scale)
Category rank#4,914
Street price$189
Power145 W (TGP)
Performance per dollar74.49
Released2019

Specifications

BrandZephyra
ModelZephyra GX-4255 Pro
Video memory12 GB GDDR6
Memory bus192-bit
Memory speed14 Gbps
Memory bandwidth336 GB/s
Shader units4,224
Boost clock2,096 MHz
Bus interfacePCIe 3.0 x16
Total graphics power (TGP)145 W
Power connectors1× 8-pin PCIe
Recommended PSU550 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.0b, 3× DisplayPort 1.4
Resizable BARSupported (firmware update)
Card size2-slot, 217 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-4255 Pro 12GB GDDR6 Graphics Card”, https://vextor7.com/item/45805571 (accessed 2026-10-24).