ATI Radeon HD 4855 vs NVIDIA GeForce G 205M

Comparative analysis of ATI Radeon HD 4855 and NVIDIA GeForce G 205M 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 ATI Radeon HD 4855

  • Around 28% higher core clock speed: 575 MHz vs 450 MHz
  • 40x more pipelines: 640 vs 16
  • A newer manufacturing process allows for a more powerful, yet cooler running videocard: 55 nm vs 65 nm
Core clock speed 575 MHz vs 450 MHz
Pipelines 640 vs 16
Manufacturing process technology 55 nm vs 65 nm

Compare specifications (specs)

ATI Radeon HD 4855 NVIDIA GeForce G 205M

Essentials

Architecture TeraScale G9x
Code name RV770 MCP79MX
Launch date 3 January 2010 1 January 2010
Place in performance rating not rated not rated
Type Desktop Laptop

Technical info

Core clock speed 575 MHz 450 MHz
Floating-point performance 736.0 gflops
Manufacturing process technology 55 nm 65 nm
Pipelines 640 16
Texture fill rate 18.4 GTexel / s
Thermal Design Power (TDP) 110 Watt
Transistor count 956 million

Video outputs and ports

Display Connectors 1x DVI, 1x HDMI, 1x VGA

Compatibility, dimensions and requirements

Interface PCIe 2.0 x16
Length 220 mm
Supplementary power connectors 1x 6-pin

API support

DirectX 10.1 10
OpenGL 3.3

Memory

Maximum RAM amount 512 MB
Memory bandwidth 115.2 GB / s
Memory bus width 256 Bit
Memory clock speed 3600 MHz
Memory type GDDR5
Shared memory 1

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