Hardware Spec Index

Zephyra GX-4977 Pro 24GB GDDR6X Graphics Card

Graphics Cards · Zephyra · SKU GX4977-PRO · Released 2023 · Updated 2026-10-20

Key facts

Benchmark index32,466 (Graphics Cards scale)
Category rank#13,593
Street price$1,069
Power320 W (TGP)
Performance per dollar30.37
Released2023

Specifications

BrandZephyra
ModelZephyra GX-4977 Pro
Video memory24 GB GDDR6X
Memory bus384-bit
Memory speed22.4 Gbps
Memory bandwidth1,075 GB/s
Shader units13,440
Boost clock1,929 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)320 W
Power connectors1× 12V-2x6 (16-pin)
Recommended PSU750 W
Ray tracingHardware-accelerated
UpscalingDLSS 3
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size3-slot, 296 mm

Related guides

How Much VRAM Do You Need? 1080p, 1440p, 4K and AIResizable BAR (ReBAR) ExplainedChoosing a GPU for 1440p GamingChoosing a GPU for 4K GamingGDDR7 Memory ExplainedPCIe 5.0 Explained

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Cite this page: Hardware Spec Index, “Zephyra GX-4977 Pro 24GB GDDR6X Graphics Card”, https://vextor7.com/item/19821861 (accessed 2026-10-20).