ATN Thor 4
VS
Vortex Viper

VS

ATN Thor 4
The ATN ThOR 4 Smart HD Thermal Hunting Scope represents a leap in thermal imaging technology, combining traditional optic design with advanced features for the modern hunter. Powered by the Obsidian IV Dual Core Processor, it delivers exceptional thermal sensitivity, improved resolution, and contrast for precise target detection in any environment. With a thermal zoom range from 1.25-5x to 4-40x, it adapts effortlessly to varying distances, while Black Hot, White Hot, and Color viewing modes enhance visibility. This scope is packed with smart features like a built-in Ballistics Calculator for accurate POI correction, recoil-activated video recording, and compatibility with Micro SD cards up to 64GB. The long-lasting power management system ensures 16+ hours of operation, while the 3" eye relief and multiple reticle options provide comfort and versatility. Accessories like the ATN ABL Laser Range Finder, Quick Detach Mount, and Battery Pack Kit expand functionality, making the ThOR 4 an invaluable tool for hunters and outdoor enthusiasts.
Vortex Viper
For hunters who demand precision at extended ranges, the Vortex Viper 6.5-20x50 riflescope is a trusted tool. With its variable 6.5-20x magnification, it’s designed for accuracy at medium to long distances, making it an ideal choice for everything from whitetails to prairie predators. The 50mm objective lens and fully multi-coated optics provide bright, clear images, even in challenging lighting conditions. The Mil-Dot reticle and adjustable parallax allow for precise adjustments, giving hunters the accuracy needed to make challenging shots. Built to withstand tough environments, the Vortex Viper is shockproof, waterproof, and fog-proof. If you're aiming to extend your effective range, this scope is a powerhouse that delivers consistent performance and reliability in the field.
Basic Details
| Brand | Color | Style | Sport | Item Weight | Material | |
|---|---|---|---|---|---|---|
| ATN Thor 4 | ATN | Black | 1-10x | Hunting | 1.9 Pounds | Aluminum |
| Vortex Viper | Vortex | Black | Deadhold-BDC (MOA) | Hunting | 2.3 Pounds | Aluminum |
Magnification & Range
| Magnification | Parallax Setting | |
|---|---|---|
| ATN Thor 4 | 1-5x | Adjustable |
| Vortex Viper | 6.5-20x | 50 yards to infinity |
Performance Insights
| Eye Relief | Zoom Ratio | FOV | Night Vision | |
|---|---|---|---|---|
| ATN Thor 4 | 3.5 inches | Variable | Variable | No |
To Calculate scope clicks: Let’s check out Scope Clicks Calculator
Diameter & Tube Size
| Tube Size | Tube Diameter | Objective Diameter | |
|---|---|---|---|
| ATN Thor 4 | N/A (Digital thermal scope) | N/A | 50mm |
| Vortex Viper | 30mm | 30mm | 50mm |
Compatibility
| Compatible Devices | Mounting Type | |
|---|---|---|
| ATN Thor 4 | Rifle | Cantilever Mount |
| Vortex Viper | Rifle | 30mm Picatinny or Weaver rails. |
Additional Features
| Reticle | Max Elevation Adjustment | |
|---|---|---|
| ATN Thor 4 | Smart Mil Dot | 90 MOA |
| Vortex Viper | 65 MOA | 65 MOA |
Built for Tough Conditions
| Waterproof | Fogproof | Shockproof | |
|---|---|---|---|
| ATN Thor 4 | Resistant to water splashes (not fully submersible) | Yes | Yes |
Accessories & Warranty
| Includes | Warranty | |
|---|---|---|
| ATN Thor 4 | ThOR 4 HD Thermal Rifle Scope 1-10x, 640x480 with HD Video Recording, Wi-Fi, GPS, Smooth Zoom | 3 Year Manufacturer |
| Vortex Viper | Riflescope, Removable lens covers, Lens cloth | VIP Warranty, Lifetime |



















