Hardware Spec Index

Zephyra GX-4638 Plus 16GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX4638-PLUS · Released 2024 · Updated 2026-10-21

Key facts

Benchmark index19,906 (Graphics Cards scale)
Category rank#4,044
Street price$509
Power210 W (TGP)
Performance per dollar39.11
Released2024

Specifications

BrandZephyra
ModelZephyra GX-4638 Plus
Video memory16 GB GDDR6
Memory bus256-bit
Memory speed14 Gbps
Memory bandwidth448 GB/s
Shader units7,552
Boost clock2,523 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)210 W
Power connectors2× 8-pin PCIe
Recommended PSU650 W
Ray tracingHardware-accelerated
UpscalingDLSS 3
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size2.5-slot, 251 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-4638 Plus 16GB GDDR6 Graphics Card”, https://vextor7.com/item/4476593 (accessed 2026-10-21).