Hardware Spec Index

Zephyra GX-4643 SE 16GB GDDR6 Graphics Card

Graphics Cards · Zephyra · SKU GX4643-SE · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index36,706 (Graphics Cards scale)
Category rank#43,815
Street price$1,729
Power375 W (TGP)
Performance per dollar21.23
Released2020

Specifications

BrandZephyra
ModelZephyra GX-4643 SE
Video memory16 GB GDDR6
Memory bus256-bit
Memory speed14 Gbps
Memory bandwidth448 GB/s
Shader units16,640
Boost clock1,714 MHz
Bus interfacePCIe 4.0 x16
Total graphics power (TGP)375 W
Power connectors3× 8-pin PCIe
Recommended PSU800 W
Ray tracingHardware-accelerated
UpscalingFSR 1 (spatial)
Display outputs1× HDMI 2.0b, 3× DisplayPort 1.4
Resizable BARSupported
Card size3-slot, 315 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
Zephyra GX-7472 SE 8GB GDDR6 Graphics Card10,878$139Compare
Orbita GX-3087 XT 12GB GDDR6 Graphics Card14,826$229Compare
Zephyra GX-9847 SE 12GB GDDR6 Graphics Card16,585$289Compare
Kyndral GX-5881 Pro 24GB GDDR6X Graphics Card36,372$1,629Compare
Nexora GX-2949 Core 12GB GDDR6 Graphics Card14,474$219Compare
Orbita GX-7627 Edge 8GB GDDR6 Graphics Card22,214$559Compare

All Graphics Cards · JSON

Cite this page: Hardware Spec Index, “Zephyra GX-4643 SE 16GB GDDR6 Graphics Card”, https://vextor7.com/item/20160628 (accessed 2026-10-19).