AMD Radeon HD 6770 Green Edition vs NVIDIA GeForce GTX 680 Mac Edition

Comparative analysis of AMD Radeon HD 6770 Green Edition and NVIDIA GeForce GTX 680 Mac Edition videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory.

 

Differences

Reasons to consider the AMD Radeon HD 6770 Green Edition

  • 2.3x lower typical power consumption: 86 Watt vs 195 Watt
Thermal Design Power (TDP) 86 Watt vs 195 Watt

Reasons to consider the NVIDIA GeForce GTX 680 Mac Edition

  • Around 44% higher core clock speed: 1006 MHz vs 700 MHz
  • 5.4x more texture fill rate: 135.4 GTexel / s vs 25.2 GTexel / s
  • 2.1x more pipelines: 1536 vs 720
  • 3.2x better floating-point performance: 3,250 gflops vs 1,008 gflops
  • A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 40 nm
  • 4.5x more memory clock speed: 6008 MHz vs 1334 MHz
Core clock speed 1006 MHz vs 700 MHz
Texture fill rate 135.4 GTexel / s vs 25.2 GTexel / s
Pipelines 1536 vs 720
Floating-point performance 3,250 gflops vs 1,008 gflops
Manufacturing process technology 28 nm vs 40 nm
Memory clock speed 6008 MHz vs 1334 MHz

Compare specifications (specs)

AMD Radeon HD 6770 Green Edition NVIDIA GeForce GTX 680 Mac Edition

Essentials

Architecture TeraScale 2 Kepler
Code name Juniper GK104
Launch date 19 April 2013 3 April 2013
Place in performance rating not rated not rated
Type Desktop Desktop
Launch price (MSRP) $599

Technical info

Core clock speed 700 MHz 1006 MHz
Floating-point performance 1,008 gflops 3,250 gflops
Manufacturing process technology 40 nm 28 nm
Pipelines 720 1536
Texture fill rate 25.2 GTexel / s 135.4 GTexel / s
Thermal Design Power (TDP) 86 Watt 195 Watt
Transistor count 1,040 million 3,540 million
Boost clock speed 1058 MHz

Video outputs and ports

Display Connectors 2x DVI, 1x HDMI, 2x mini-DisplayPort 2x DVI, 1x HDMI, 1x DisplayPort

Compatibility, dimensions and requirements

Interface PCIe 2.0 x16 PCIe 2.0 x16
Length 170 mm 254 mm
Supplementary power connectors 2x 6-pin

API support

DirectX 11.2 (11_0) 12.0 (11_0)
OpenGL 4.4 4.6

Memory

Maximum RAM amount 2 GB 2 GB
Memory bandwidth 21.34 GB / s 192.3 GB / s
Memory bus width 128 Bit 256 Bit
Memory clock speed 1334 MHz 6008 MHz
Memory type GDDR3 GDDR5

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