NVIDIA GeForce GT 640 OEM Rebrand vs NVIDIA GeForce 6100 + nForce 405

Comparative analysis of NVIDIA GeForce GT 640 OEM Rebrand and NVIDIA GeForce 6100 + nForce 405 videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory. Benchmark videocards performance analysis: 3DMark Fire Strike - Graphics Score, PassMark - G3D Mark, PassMark - G2D Mark.

NVIDIA GeForce GT 640 OEM Rebrand

NVIDIA GeForce 6100 + nForce 405

Differences

Reasons to consider the NVIDIA GeForce GT 640 OEM Rebrand

Videocard is newer: launch date 7 year(s) 6 month(s) later
Around 69% higher core clock speed: 720 MHz vs 425 MHz
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 40 nm vs 90 nm

Launch date	24 April 2012 vs 11 October 2004
Core clock speed	720 MHz vs 425 MHz
Manufacturing process technology	40 nm vs 90 nm

Compare benchmarks

GPU 1: NVIDIA GeForce GT 640 OEM Rebrand
GPU 2: NVIDIA GeForce 6100 + nForce 405

Name	NVIDIA GeForce GT 640 OEM Rebrand	NVIDIA GeForce 6100 + nForce 405
3DMark Fire Strike - Graphics Score	410
PassMark - G3D Mark		27
PassMark - G2D Mark		56

Compare specifications (specs)

	NVIDIA GeForce GT 640 OEM Rebrand	NVIDIA GeForce 6100 + nForce 405
Essentials
Architecture	Fermi 2.0	Curie
Code name	GF116	C61
Launch date	24 April 2012	11 October 2004
Place in performance rating	1602	1601
Type	Desktop	Desktop
Technical info
Core clock speed	720 MHz	425 MHz
Floating-point performance	414.7 gflops
Manufacturing process technology	40 nm	90 nm
Pipelines	144
Texture fill rate	17.28 GTexel / s
Thermal Design Power (TDP)	75 Watt
Transistor count	1,170 million
Video outputs and ports
Display Connectors	2x DVI, 1x mini-HDMI	No outputs
Compatibility, dimensions and requirements
Interface	PCIe 2.0 x16	PCI
Length	145 mm
Supplementary power connectors	None
API support
DirectX	12.0 (11_0)	9.0c
OpenGL	4.6	2.1
Memory
Maximum RAM amount	1536 MB
Memory bandwidth	38.4 GB / s
Memory bus width	192 Bit
Memory clock speed	1600 MHz
Memory type	DDR3