Hardware Spec Index

Zephyra GX-3813 Ultra 12GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX3813-ULTRA · Released 2020 · Updated 2026-10-24

Key facts

Benchmark index14,713 (Graphics Cards scale)
Category rank#1,805
Street price$209
Power155 W (TGP)
Performance per dollar70.40
Released2020

Specifications

BrandZephyra
ModelZephyra GX-3813 Ultra
Video memory12 GB GDDR6
Memory bus192-bit
Memory speed14 Gbps
Memory bandwidth336 GB/s
Shader units4,736
Boost clock2,534 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)155 W
Power connectors2× 8-pin PCIe
Recommended PSU600 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.0b, 3× DisplayPort 1.4
Resizable BARSupported
Card size2-slot, 233 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
Kyndral GX-4728 Pro 32GB GDDR6X Graphics Card43,155$2,269Compare
Orbita GX-7248 Pro 16GB GDDR6 Graphics Card37,635$1,779Compare
Nexora GX-6134 Plus 8GB GDDR7 Graphics Card15,698$289Compare
Zephyra GX-1875 Prime 16GB GDDR6 Graphics Card26,395$669Compare
Nexora GX-9610 Pro 8GB GDDR6 Graphics Card13,389$189Compare
Zephyra GX-4945 Plus 24GB GDDR6X Graphics Card30,938$1,259Compare

All Graphics Cards · JSON

Cite this page: Hardware Spec Index, “Zephyra GX-3813 Ultra 12GB GDDR6 Graphics Card”, https://vextor7.com/item/21882749 (accessed 2026-10-24).