Radeon HD 4770 vs Radeon HD 6850 X2

Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 4770 and Radeon HD 6850 X2. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between Radeon HD 4770 and Radeon HD 6850 X2. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.
Radeon HD 4770
Radeon HD 6850 X2

Main Specs

  Radeon HD 4770 Radeon HD 6850 X2
Power consumption (TDP) 80 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 512 MB 2 GB
Display Connectors 2x DVI, 1x S-Video 2x DVI, 1x HDMI, 1x DisplayPort
 
  • Radeon HD 6850 X2 has 217% more power consumption, than Radeon HD 4770.
  • Both video cards are using PCIe 2.0 x16 interface connection to a motherboard.
  • Radeon HD 4770 has 510 GB more memory, than Radeon HD 6850 X2.
  • Both cards are used in Desktops.
  • Radeon HD 4770 is build with TeraScale architecture, and Radeon HD 6850 X2 - with TeraScale 2.
  • Core clock speed of Radeon HD 6850 X2 is 50 MHz higher, than Radeon HD 4770.
  • Radeon HD 4770 and Radeon HD 6850 X2 are manufactured by 40 nm process technology.
  • Memory clock speed of Radeon HD 6850 X2 is 1000 MHz higher, than Radeon HD 4770.

Game benchmarks

high / 1080p 1−2 12−14
ultra / 1080p 0−1 7−8
QHD / 1440p 0−1 2−3
low / 720p 10−12 27−30
medium / 1080p 2−3 16−18
The average gaming FPS of Radeon HD 6850 X2 in Assassin's Creed Odyssey is 280% more, than Radeon HD 4770.

Full Specs

  Radeon HD 4770 Radeon HD 6850 X2
Architecture TeraScale TeraScale 2
Code name RV740 Barts
Type Desktop Desktop
Release date 28 April 2009 19 September 2011
Pipelines 640 960
Core clock speed 750 MHz 800 MHz
Transistor count 826 million 1,700 million
Manufacturing process technology 40 nm 40 nm
Texture fill rate 24.00 38.40
Floating-point performance 960.0 gflops 2x 1,536.0 gflops
Length 203 mm
Memory bus width 128 Bit 256 Bit
Memory clock speed 3200 MHz 4200 MHz
Memory bandwidth 51.2 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