Radeon HD 4870 vs Radeon HD 6740G2

Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 4870 and Radeon HD 6740G2. 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 4870 and Radeon HD 6740G2. 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 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

  Radeon HD 4870 Radeon HD 6740G2
Power consumption (TDP) 150 Watt
Interface PCIe 2.0 x16
Supplementary power connectors 2x 6-pin
Memory type GDDR5
Maximum RAM amount 1 GB
Display Connectors 2x DVI, 1x S-Video
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  • Radeon HD 4870 is used in Desktops, and Radeon HD 6740G2 - in Laptops.
  • Radeon HD 4870 is build with TeraScale architecture, and Radeon HD 6740G2 - with Terascale 2.
  • Radeon HD 4870 is manufactured by 55 nm process technology, and Radeon HD 6740G2 - by 40 nm process technology.

Game benchmarks

high / 1080p 3−4 0−1
ultra / 1080p 1−2 0−1
QHD / 1440p 0−1 0−1
low / 720p 14−16 10−12
medium / 1080p 6−7 2−3
The average gaming FPS of Radeon HD 4870 in Assassin's Creed Odyssey is 66% more, than Radeon HD 6740G2.

Full Specs

  Radeon HD 4870 Radeon HD 6740G2
Architecture TeraScale Terascale 2
Code name RV770
Type Desktop Laptop
Release date 25 June 2008 14 June 2011
Pipelines 800 880
Core clock speed 750 MHz
Transistor count 956 million
Manufacturing process technology 55 nm 40 nm
Texture fill rate 30.00
Floating-point performance 1,200.0 gflops
Length 250 mm
Memory bus width 256 Bit
Memory clock speed 3600 MHz
Memory bandwidth 115.2 GB/s
Shared memory -
DirectX 10.1 (10_1) DirectX 11, Shader 5.0
Shader Model 4.1
OpenGL 3.3
OpenCL 1.1
Vulkan N/A
Laptop size medium sized
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