Hardware Spec Index

Zephyra GX-4638 Prime 24GB GDDR7 Graphics Card

Graphics Cards · Zephyra · SKU GX4638-PRIME · Released 2025 · Updated 2026-10-24

Key facts

Benchmark index33,430 (Graphics Cards scale)
Category rank#24,661
Street price$1,499
Power455 W (TGP)
Performance per dollar22.30
Released2025

Specifications

BrandZephyra
ModelZephyra GX-4638 Prime
Video memory24 GB GDDR7
Memory bus384-bit
Memory speed28 Gbps
Memory bandwidth1,344 GB/s
Shader units15,616
Boost clock2,566 MHz
Bus interfacePCIe 5.0 x16
Total graphics power (TGP)455 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU900 W
Ray tracingHardware-accelerated
UpscalingXeSS 2
Display outputs1× HDMI 2.1b, 3× DisplayPort 2.1b
Resizable BARSupported
Card size3.5-slot, 318 mm

Related guides

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Cite this page: Hardware Spec Index, “Zephyra GX-4638 Prime 24GB GDDR7 Graphics Card”, https://vextor7.com/item/46567288 (accessed 2026-10-24).