Hardware Spec Index

Zephyra GX-4621 SE 8GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX4621-SE · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index12,180 (Graphics Cards scale)
Category rank#26,758
Street price$159
Power130 W (TGP)
Performance per dollar76.60
Released2019

Specifications

BrandZephyra
ModelZephyra GX-4621 SE
Video memory8 GB GDDR6
Memory bus128-bit
Memory speed18 Gbps
Memory bandwidth288 GB/s
Shader units3,328
Boost clock1,908 MHz
Bus interfacePCIe 3.0 x8
Total graphics power (TGP)130 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, 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-4621 SE 8GB GDDR6 Graphics Card”, https://vextor7.com/item/43673083 (accessed 2026-10-22).