NVIDIA GeForce GT 640 OEM Rebrand vs ATI Radeon HD 3450

Comparative analysis of NVIDIA GeForce GT 640 OEM Rebrand and ATI Radeon HD 3450 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, GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps).

NVIDIA GeForce GT 640 OEM Rebrand

ATI Radeon HD 3450

Differences

Reasons to consider the NVIDIA GeForce GT 640 OEM Rebrand

Videocard is newer: launch date 4 year(s) 4 month(s) later
Around 20% higher core clock speed: 720 MHz vs 600 MHz
7.2x more texture fill rate: 17.28 GTexel / s vs 2.4 GTexel / s
3.6x more pipelines: 144 vs 40
8.6x better floating-point performance: 414.7 gflops vs 48 gflops
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 40 nm vs 55 nm
6x more maximum memory size: 1536 MB vs 256 MB
Around 60% higher memory clock speed: 1600 MHz vs 1000 MHz

Launch date	24 April 2012 vs 10 December 2007
Core clock speed	720 MHz vs 600 MHz
Texture fill rate	17.28 GTexel / s vs 2.4 GTexel / s
Pipelines	144 vs 40
Floating-point performance	414.7 gflops vs 48 gflops
Manufacturing process technology	40 nm vs 55 nm
Maximum memory size	1536 MB vs 256 MB
Memory clock speed	1600 MHz vs 1000 MHz

Reasons to consider the ATI Radeon HD 3450

3x lower typical power consumption: 25 Watt vs 75 Watt

Thermal Design Power (TDP)	25 Watt vs 75 Watt

Compare benchmarks

GPU 1: NVIDIA GeForce GT 640 OEM Rebrand
GPU 2: ATI Radeon HD 3450

Name	NVIDIA GeForce GT 640 OEM Rebrand	ATI Radeon HD 3450
3DMark Fire Strike - Graphics Score	410
PassMark - G3D Mark		157
PassMark - G2D Mark		25
GFXBench 4.0 - T-Rex (Frames)		735
GFXBench 4.0 - T-Rex (Fps)		735

Compare specifications (specs)

	NVIDIA GeForce GT 640 OEM Rebrand	ATI Radeon HD 3450
Essentials
Architecture	Fermi 2.0	TeraScale
Code name	GF116	RV620
Launch date	24 April 2012	10 December 2007
Place in performance rating	1678	1680
Type	Desktop	Desktop
Technical info
Core clock speed	720 MHz	600 MHz
Floating-point performance	414.7 gflops	48 gflops
Manufacturing process technology	40 nm	55 nm
Pipelines	144	40
Texture fill rate	17.28 GTexel / s	2.4 GTexel / s
Thermal Design Power (TDP)	75 Watt	25 Watt
Transistor count	1,170 million	181 million
Video outputs and ports
Display Connectors	2x DVI, 1x mini-HDMI	1x DVI, 1x VGA, 1x S-Video
Compatibility, dimensions and requirements
Interface	PCIe 2.0 x16	PCIe 2.0 x16
Length	145 mm
Supplementary power connectors	None	None
API support
DirectX	12.0 (11_0)	10.1
OpenGL	4.6	3.3
Memory
Maximum RAM amount	1536 MB	256 MB
Memory bandwidth	38.4 GB / s	8 GB / s
Memory bus width	192 Bit	64 Bit
Memory clock speed	1600 MHz	1000 MHz
Memory type	DDR3	DDR2