Hardware Spec Index

Zephyra GX-8639 Max 12GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX8639-MAX · Released 2024 · Updated 2026-10-20

Key facts

Benchmark index16,567 (Graphics Cards scale)
Category rank#38,252
Street price$309
Power185 W (TGP)
Performance per dollar53.61
Released2024

Specifications

BrandZephyra
ModelZephyra GX-8639 Max
Video memory12 GB GDDR6
Memory bus192-bit
Memory speed20 Gbps
Memory bandwidth480 GB/s
Shader units6,272
Boost clock1,960 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)185 W
Power connectors2× 8-pin PCIe
Recommended PSU600 W
Ray tracingHardware-accelerated
UpscalingDLSS 3
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size2.5-slot, 242 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-8639 Max 12GB GDDR6 Graphics Card”, https://vextor7.com/item/9707581 (accessed 2026-10-20).