Radeon HD 4870 X2 vs Radeon HD 6850 X2

When choosing between Radeon HD 4870 X2 and Radeon HD 6850 X2, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between Radeon HD 4870 X2 and Radeon HD 6850 X2.
Radeon HD 4870 X2
Radeon HD 6850 X2

Main Specs

  Radeon HD 4870 X2 Radeon HD 6850 X2
Power consumption (TDP) 286 Watt 254 Watt
Interface PCIe 2.0 x16 PCIe 2.0 x16
Supplementary power connectors 1x 6-pin + 1x 8-pin 2x 8-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 1 GB 2 GB
Display Connectors 2x DVI, 1x S-Video 2x DVI, 1x HDMI, 1x DisplayPort
 
  • Radeon HD 4870 X2 has 12% more power consumption, than Radeon HD 6850 X2.
  • Both video cards are using PCIe 2.0 x16 interface connection to a motherboard.
  • Radeon HD 6850 X2 has 1 GB more memory, than Radeon HD 4870 X2.
  • Both cards are used in Desktops.
  • Radeon HD 4870 X2 is build with TeraScale architecture, and Radeon HD 6850 X2 - with TeraScale 2.
  • Core clock speed of Radeon HD 6850 X2 is 100 MHz higher, than Radeon HD 4870 X2.
  • Radeon HD 4870 X2 is manufactured by 55 nm process technology, and Radeon HD 6850 X2 - by 40 nm process technology.
  • Memory clock speed of Radeon HD 6850 X2 is 600 MHz higher, than Radeon HD 4870 X2.

Game benchmarks

high / 1080p 3−4 12−14
ultra / 1080p 1−2 7−8
QHD / 1440p 0−1 2−3
low / 720p 14−16 27−30
medium / 1080p 6−7 16−18
The average gaming FPS of Radeon HD 6850 X2 in Assassin's Creed Odyssey is 166% more, than Radeon HD 4870 X2.

Full Specs

  Radeon HD 4870 X2 Radeon HD 6850 X2
Architecture TeraScale TeraScale 2
Code name R700 Barts
Type Desktop Desktop
Release date 12 August 2008 19 September 2011
Pipelines 800 960
Core clock speed 700 MHz 800 MHz
Transistor count 956 million 1,700 million
Manufacturing process technology 55 nm 40 nm
Texture fill rate 28.00 38.40
Floating-point performance 2x 1,120.0 gflops 2x 1,536.0 gflops
Length 267 mm
Memory bus width 256 Bit 256 Bit
Memory clock speed 3600 MHz 4200 MHz
Memory bandwidth 115.2 GB/s 134.4 GB/s
DirectX 10.1 (10_1) 11.2 (11_0)
Shader Model 4.1 5.0
OpenGL 3.3 4.4
OpenCL 1.1 1.2
Vulkan N/A N/A