Hardware Spec Index

Zephyra GX-4978 XT 16GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX4978-XT · Released 2024 · Updated 2026-10-21

Key facts

Benchmark index23,479 (Graphics Cards scale)
Category rank#29,462
Street price$629
Power245 W (TGP)
Performance per dollar37.33
Released2024

Specifications

BrandZephyra
ModelZephyra GX-4978 XT
Video memory16 GB GDDR6
Memory bus256-bit
Memory speed14 Gbps
Memory bandwidth448 GB/s
Shader units9,472
Boost clock2,409 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)245 W
Power connectors2× 8-pin PCIe
Recommended PSU650 W
Ray tracingHardware-accelerated
UpscalingXeSS 2
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size2.5-slot, 269 mm

Related guides

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

Similar Graphics Cards

ModelBenchmarkPriceCompare
Zephyra GX-9637 Pro 32GB GDDR6 Graphics Card34,432$1,429Compare
Kyndral GX-5304 Pro 8GB GDDR6 Graphics Card13,084$199Compare
Kyndral GX-1682 Ultra 8GB GDDR6 Graphics Card11,628$149Compare
Zephyra GX-6977 Plus 12GB GDDR6 Graphics Card14,174$249Compare
Zephyra GX-5326 XT 12GB GDDR6 Graphics Card19,614$449Compare
Nexora GX-5822 Ultra 32GB GDDR6X Graphics Card44,800$2,289Compare

All Graphics Cards · JSON

Cite this page: Hardware Spec Index, “Zephyra GX-4978 XT 16GB GDDR6 Graphics Card”, https://vextor7.com/item/4136107 (accessed 2026-10-21).