Hardware Spec Index

Zephyra GX-3813 Ultra 8GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX3813-ULTRA · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index20,685 (Graphics Cards scale)
Category rank#7,233
Street price$529
Power215 W (TGP)
Performance per dollar39.10
Released2021

Specifications

BrandZephyra
ModelZephyra GX-3813 Ultra
Video memory8 GB GDDR6
Memory bus128-bit
Memory speed18 Gbps
Memory bandwidth288 GB/s
Shader units8,064
Boost clock2,008 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)215 W
Power connectors2× 8-pin PCIe
Recommended PSU650 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.1, 3× DisplayPort 1.4a
Resizable BARSupported
Card size2.5-slot, 243 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

Similar Graphics Cards

ModelBenchmarkPriceCompare
Nexora GX-1048 Pro 32GB GDDR7 Graphics Card38,816$1,979Compare
Nexora GX-3691 Ti 8GB GDDR6 Graphics Card15,202$269Compare
Veltrix GX-1960 Max 8GB GDDR6 Graphics Card13,975$199Compare
Kyndral GX-7411 Ultra 16GB GDDR6 Graphics Card27,400$1,079Compare
Teralux GX-9853 Max 24GB GDDR6X Graphics Card38,110$2,119Compare
Nexora GX-4642 Core 32GB GDDR6 Graphics Card34,066$1,459Compare

All Graphics Cards · JSON

Cite this page: Hardware Spec Index, “Zephyra GX-3813 Ultra 8GB GDDR6 Graphics Card”, https://vextor7.com/item/4053376 (accessed 2026-10-22).