GeForce GTX 680 vs Radeon HD 6850 X2

Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 680 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 GeForce GTX 680 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.

Main Specs

  GeForce GTX 680 Radeon HD 6850 X2
Power consumption (TDP) 195 Watt 254 Watt
Interface PCIe 3.0 x16 PCIe 2.0 x16
Supplementary power connectors Two 6-pin 2x 8-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 2048 MB 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 30% more power consumption, than GeForce GTX 680.
  • GeForce GTX 680 is connected by PCIe 3.0 x16, and Radeon HD 6850 X2 uses PCIe 2.0 x16 interface.
  • GeForce GTX 680 has 2046 GB more memory, than Radeon HD 6850 X2.
  • Both cards are used in Desktops.
  • GeForce GTX 680 is build with Kepler architecture, and Radeon HD 6850 X2 - with TeraScale 2.
  • Core clock speed of GeForce GTX 680 is 206 MHz higher, than Radeon HD 6850 X2.
  • GeForce GTX 680 is manufactured by 28 nm process technology, and Radeon HD 6850 X2 - by 40 nm process technology.
  • Memory clock speed of GeForce GTX 680 is 1800 MHz higher, than Radeon HD 6850 X2.

Game benchmarks

high / 1080p 35−40 12−14
ultra / 1080p 21−24 7−8
QHD / 1440p 16−18 2−3
4K / 2160p 10−11
low / 720p 60−65 27−30
medium / 1080p 40−45 16−18
The average gaming FPS of GeForce GTX 680 in Assassin's Creed Odyssey is 176% more, than Radeon HD 6850 X2.

Full Specs

  GeForce GTX 680 Radeon HD 6850 X2
Architecture Kepler TeraScale 2
Code name GK104 Barts
Type Desktop Desktop
Release date 22 March 2012 19 September 2011
Pipelines 1536 960
Core clock speed 1006 MHz 800 MHz
Boost Clock 1058 MHz
Transistor count 3,540 million 1,700 million
Manufacturing process technology 28 nm 40 nm
Texture fill rate 128.8 billion/sec 38.40
Floating-point performance 3,090.4 gflops 2x 1,536.0 gflops
Length 10.0" (25.4 cm)
Memory bus width 256-bit GDDR5 256 Bit
Memory clock speed 6000 MHz 4200 MHz
Memory bandwidth 192.2 GB/s 134.4 GB/s
Shared memory -
DirectX 12 (11_0) 11.2 (11_0)
Shader Model 5.1 5.0
OpenGL 4.2 4.4
OpenCL 1.2 1.2
Vulkan 1.1.126 N/A
CUDA +
CUDA cores 1536
Bus support PCI Express 3.0
Height 4.376" (11.1 cm)
SLI options +
Multi monitor support 4 displays
HDMI +
HDCP +
Maximum VGA resolution 2048x1536
Audio input for HDMI Internal
Bitcoin / BTC (SHA256) 121 Mh/s
Ethereum / ETH (DaggerHashimoto) 15 Mh/s
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