GeForce GTX 580 vs Radeon HD 6740G2

When choosing between GeForce GTX 580 and Radeon HD 6740G2, 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 GeForce GTX 580 and Radeon HD 6740G2.

Radeon HD 6740G2 is a Laptop Graphics Card

Note: Radeon HD 6740G2 is only used in laptop graphics. It has lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with Radeon HD 6740G2 here:

Main Specs

  GeForce GTX 580 Radeon HD 6740G2
Power consumption (TDP) 244 Watt
Interface PCIe 2.0 x16
Supplementary power connectors One 6-pin and One 8-pin
Memory type GDDR5
Maximum RAM amount 1536 MB
Display Connectors 2x DVI, 1x mini-HDMI
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  • GeForce GTX 580 is used in Desktops, and Radeon HD 6740G2 - in Laptops.
  • GeForce GTX 580 is build with Fermi architecture, and Radeon HD 6740G2 - with Terascale 2.
  • GeForce GTX 580 and Radeon HD 6740G2 are manufactured by 40 nm process technology.

Game benchmarks

high / 1080p 21−24 0−1
ultra / 1080p 14−16 0−1
QHD / 1440p 8−9 0−1
4K / 2160p 6−7
low / 720p 40−45 10−12
medium / 1080p 27−30 2−3
The average gaming FPS of GeForce GTX 580 in Assassin's Creed Odyssey is 483% more, than Radeon HD 6740G2.

Full Specs

  GeForce GTX 580 Radeon HD 6740G2
Architecture Fermi Terascale 2
Code name GF110
Type Desktop Laptop
Release date 9 November 2010 14 June 2011
Pipelines 512 880
Core clock speed 1544 MHz
Transistor count 3,000 million
Manufacturing process technology 40 nm 40 nm
Texture fill rate 49.4 billion/sec
Floating-point performance 1,581.1 gflops
Length 10.5" (267 mm) (26.7 cm)
Memory bus width 384 Bit
Memory clock speed 2004 MHz (4008 data rate)
Memory bandwidth 192.4 GB/s
Shared memory -
DirectX 12 (11_0) DirectX 11, Shader 5.0
Shader Model 5.1
OpenGL 4.2
OpenCL 1.1
Vulkan N/A
CUDA +
CUDA cores 512
Bus support PCI-E 2.0 x 16
Height 4.376" (111 mm) (11.1 cm)
SLI options +
Multi monitor support +
HDMI +
Maximum VGA resolution 2048x1536
Audio input for HDMI Internal
Bitcoin / BTC (SHA256) 142 Mh/s
Laptop size medium sized
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