Hardware Spec Index

Zephyra GX-1640 Plus 16GB GDDR7 Graphics Card

Graphics Cards · Zephyra · SKU GX1640-PLUS · Released 2025 · Updated 2026-10-23

Key facts

Benchmark index22,017 (Graphics Cards scale)
Category rank#8,742
Street price$629
Power300 W (TGP)
Performance per dollar35.00
Released2025

Specifications

BrandZephyra
ModelZephyra GX-1640 Plus
Video memory16 GB GDDR7
Memory bus256-bit
Memory speed32 Gbps
Memory bandwidth1,024 GB/s
Shader units9,344
Boost clock2,809 MHz
Bus interfacePCIe 5.0 x16
Total graphics power (TGP)300 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU700 W
Ray tracingHardware-accelerated
UpscalingDLSS 4 (frame generation)
Display outputs1× HDMI 2.1b, 3× DisplayPort 2.1b
Resizable BARSupported
Card size3-slot, 265 mm

Related guides

How Much VRAM Do You Need? 1080p, 1440p, 4K and AIResizable BAR (ReBAR) ExplainedGDDR7 Memory ExplainedPCIe 5.0 ExplainedPCIe 4.0 vs PCIe 5.0Choosing a GPU for 1440p Gaming

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Cite this page: Hardware Spec Index, “Zephyra GX-1640 Plus 16GB GDDR7 Graphics Card”, https://vextor7.com/item/695618 (accessed 2026-10-23).