Radeon HD 5770 vs Radeon HD 6850 X2

When choosing between Radeon HD 5770 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 5770 and Radeon HD 6850 X2.

Main Specs

  Radeon HD 5770 Radeon HD 6850 X2
Power consumption (TDP) 108 Watt 254 Watt
Interface PCIe 2.0 x16 PCIe 2.0 x16
Supplementary power connectors 1x 6-pin 2x 8-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 1 GB 2 GB
Display Connectors 2x DVI, 1x HDMI, 1x DisplayPort 2x DVI, 1x HDMI, 1x DisplayPort
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  • Radeon HD 6850 X2 has 135% more power consumption, than Radeon HD 5770.
  • 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 5770.
  • Both cards are used in Desktops.
  • Radeon HD 5770 is build with Terascale 2 architecture, and Radeon HD 6850 X2 - with TeraScale 2.
  • Core clock speed of Radeon HD 5770 is 50 MHz higher, than Radeon HD 6850 X2.
  • Radeon HD 5770 and Radeon HD 6850 X2 are manufactured by 40 nm process technology.
  • Memory clock speed of Radeon HD 5770 is 600 MHz higher, than Radeon HD 6850 X2.

Game benchmarks

high / 1080p 8−9 12−14
ultra / 1080p 5−6 7−8
QHD / 1440p 0−1 2−3
low / 720p 18−20 27−30
medium / 1080p 10−11 16−18
The average gaming FPS of Radeon HD 6850 X2 in Assassin's Creed Odyssey is 60% more, than Radeon HD 5770.

Full Specs

  Radeon HD 5770 Radeon HD 6850 X2
Architecture Terascale 2 TeraScale 2
Code name Juniper Barts
Type Desktop Desktop
Release date 13 October 2009 19 September 2011
Pipelines 800 960
Core clock speed 850 MHz 800 MHz
Transistor count 1,040 million 1,700 million
Manufacturing process technology 40 nm 40 nm
Texture fill rate 34.00 38.40
Floating-point performance 1,360.0 gflops 2x 1,536.0 gflops
Length 208 mm
Memory bus width 128 Bit 256 Bit
Memory clock speed 4800 MHz 4200 MHz
Memory bandwidth 76.8 GB/s 134.4 GB/s
DirectX 11.2 (11_0) 11.2 (11_0)
Shader Model 5.0 5.0
OpenGL 4.4 4.4
OpenCL 1.2 1.2
Vulkan N/A N/A
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