Hardware Spec Index

Zephyra GX-8421 XT 24GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX8421-XT · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index30,515 (Graphics Cards scale)
Category rank#46,734
Street price$1,069
Power310 W (TGP)
Performance per dollar28.55
Released2022

Specifications

BrandZephyra
ModelZephyra GX-8421 XT
Video memory24 GB GDDR6
Memory bus384-bit
Memory speed16 Gbps
Memory bandwidth768 GB/s
Shader units13,056
Boost clock2,509 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)310 W
Power connectors3× 8-pin PCIe
Recommended PSU750 W
Ray tracingHardware-accelerated
UpscalingDLSS 3
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size3-slot, 287 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

Similar Graphics Cards

ModelBenchmarkPriceCompare
Nexora GX-7597 Prime 8GB GDDR6 Graphics Card22,281$549Compare
Orbita GX-3172 Ultra 16GB GDDR6 Graphics Card30,433$1,029Compare
Veltrix GX-5919 Edge 16GB GDDR6 Graphics Card24,505$749Compare
Teralux GX-1828 Max 16GB GDDR6 Graphics Card24,769$719Compare
Kyndral GX-1223 SE 8GB GDDR6 Graphics Card12,807$149Compare
Nexora GX-5163 Ti 8GB GDDR6 Graphics Card23,573$559Compare

All Graphics Cards · JSON

Cite this page: Hardware Spec Index, “Zephyra GX-8421 XT 24GB GDDR6 Graphics Card”, https://vextor7.com/item/2034446 (accessed 2026-10-19).