AMD

AMD Radeon HD 3870 X2 1GB DDR3 PCI-E Video Card

3.3 (42 reviews)

Unleash Dual Graphics Power Experience the pinnacle of graphics performance with the ATI Radeon HD 3870 X2. This card combines two powerful GPUs on a single board, perfect for gamers and enthusiasts demanding high frame rates and stunning visuals. Specifications: GPU: Dual ATI Radeon HD 38...

$299.99*
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*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.

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Overview

Unleash Dual Graphics Power

Experience the pinnacle of graphics performance with the ATI Radeon HD 3870 X2. This card combines two powerful GPUs on a single board, perfect for gamers and enthusiasts demanding high frame rates and stunning visuals.

Specifications:

  • GPU: Dual ATI Radeon HD 3870
  • Memory: 1 GB GDDR3
  • Memory Interface: 256-bit
  • Stream Processors: 640 (320 per GPU)
  • API Support: Microsoft DirectX 10.1, OpenGL 3.2
  • HD Video Playback: ATI Avivo HD
  • CrossFire Support: Yes
  • Output: Two (2) DVI
  • Includes: Two (2) DVI to VGA adapters, One (1) DVI to HDMI adapter, CrossFire Bridge adapter, S-Video to RCA/RGB cable

Requirements:

  • Two (2) rear expansion slots
  • Available PCI Express x16 slot with adjacent slot
  • 550-watt or greater power supply
  • One (1) 6-pin PCI Express power connector
  • One (1) 8-pin PCI Express power connector

Key Features

ATI Radeon HD 3870 X2 1GB GDDR3 PCI Express Dual DVI Video Card General Features:

Two (2) ATI Radeon HD 3870 GPUs 320 stream processors per GPU 825 MHz core clock

1 GB GDDR3 memory 256-bit memory interface 900 MHz memory clock PCI Express 2.0 x16 interface

Supports Microsoft DirectX 10.1 with Shader Model 4.1 Supports OpenGL 3.2

Dynamic Geometry Acceleration

Specifications

Brand
AMD
Model
Radeon HD 3870 X2
Memory Capacity
1GB
Memory Type
GDDR3
Bus Interface
PCI Express 2.0 x16
GPU Count
Two (2) ATI Radeon HD 3870 GPUs
Stream Processors per GPU
320
Core Clock Speed
825 MHz
Memory Clock Speed
900 MHz
Memory Interface
256-bit
DirectX Support
10.1 with Shader Model 4.1
OpenGL Support
3.2
Video Output
Dual DVI

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Pros & Cons

👍 Pros

  • Features two ATI Radeon HD 3870 GPUs, providing a powerful dual-GPU configuration for its generation
  • Equipped with 1GB GDDR3 memory, with a 256-bit memory interface and 900 MHz memory clock for texture handling
  • Boasts 320 stream processors per GPU, allowing for efficient parallel processing in demanding applications
  • Supports Microsoft DirectX 10.1 with Shader Model 4.1 and OpenGL 3.2, enabling compatibility with a range of graphics APIs
  • Includes Dynamic Geometry Acceleration, which can enhance visual detail and realism in supported games and applications

👎 Cons

  • The AMD Radeon HD 3870 X2 is an older generation graphics card, which will not match the performance of modern GPUs
  • The 1GB GDDR3 memory might be insufficient for newer games and high-resolution textures
  • Power consumption is likely higher than current-generation cards with similar or better performance
  • Compatibility with modern operating systems and up-to-date display technologies might be limited
  • This card will not support advanced features like real-time ray tracing found in newer GPU architectures

Frequently Asked Questions

The AMD Radeon HD 3870 X2 video card is equipped with 1GB of GDDR3 memory.
This video card utilizes a PCI Express 2.0 x16 interface for connection to a compatible motherboard.
The ATI Radeon HD 3870 X2 features two (2) ATI Radeon HD 3870 GPUs.
Each GPU on the AMD Radeon HD 3870 X2 operates at a core clock speed of 825 MHz.
Yes, it supports Microsoft DirectX 10.1 with Shader Model 4.1.
The GDDR3 memory on this video card has a clock speed of 900 MHz.
Each of the two ATI Radeon HD 3870 GPUs on this card has 320 stream processors.