NVIDIA GeForce GT 640 OEM vs NVIDIA GeForce 8800 GTS 320

Comparative analysis of NVIDIA GeForce GT 640 OEM and NVIDIA GeForce 8800 GTS 320 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: CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps), PassMark - G2D Mark, PassMark - G3D Mark.

NVIDIA GeForce GT 640 OEM

NVIDIA GeForce 8800 GTS 320

Differences

Reasons to consider the NVIDIA GeForce GT 640 OEM

Videocard is newer: launch date 5 year(s) 2 month(s) later
Around 55% higher core clock speed: 797 MHz vs 513 MHz
2.1x more texture fill rate: 25.5 GTexel / s vs 12.31 GTexel / s
4x more pipelines: 384 vs 96
2.7x better floating-point performance: 612.1 gflops vs 228.1 gflops
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 90 nm
2.9x lower typical power consumption: 50 Watt vs 143 Watt
6.4x more maximum memory size: 2 GB vs 320 MB
Around 13% higher memory clock speed: 1782 MHz vs 1584 MHz

Launch date	24 April 2012 vs 12 February 2007
Core clock speed	797 MHz vs 513 MHz
Texture fill rate	25.5 GTexel / s vs 12.31 GTexel / s
Pipelines	384 vs 96
Floating-point performance	612.1 gflops vs 228.1 gflops
Manufacturing process technology	28 nm vs 90 nm
Thermal Design Power (TDP)	50 Watt vs 143 Watt
Maximum memory size	2 GB vs 320 MB
Memory clock speed	1782 MHz vs 1584 MHz

Compare benchmarks

GPU 1: NVIDIA GeForce GT 640 OEM
GPU 2: NVIDIA GeForce 8800 GTS 320

Name	NVIDIA GeForce GT 640 OEM	NVIDIA GeForce 8800 GTS 320
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	9.932
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	254.345
CompuBench 1.5 Desktop - T-Rex (Frames/s)	1.14
CompuBench 1.5 Desktop - Video Composition (Frames/s)	13.613
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	15.32
GFXBench 4.0 - Car Chase Offscreen (Frames)	1502
GFXBench 4.0 - Manhattan (Frames)	2167
GFXBench 4.0 - T-Rex (Frames)	3334
GFXBench 4.0 - Car Chase Offscreen (Fps)	1502
GFXBench 4.0 - Manhattan (Fps)	2167
GFXBench 4.0 - T-Rex (Fps)	3334
PassMark - G2D Mark		31
PassMark - G3D Mark		412

Compare specifications (specs)

	NVIDIA GeForce GT 640 OEM	NVIDIA GeForce 8800 GTS 320
Essentials
Architecture	Kepler	Tesla
Code name	GK107	G80
Launch date	24 April 2012	12 February 2007
Place in performance rating	1368	1640
Type	Desktop	Desktop
Launch price (MSRP)		$269
Technical info
Core clock speed	797 MHz	513 MHz
Floating-point performance	612.1 gflops	228.1 gflops
Manufacturing process technology	28 nm	90 nm
Pipelines	384	96
Texture fill rate	25.5 GTexel / s	12.31 GTexel / s
Thermal Design Power (TDP)	50 Watt	143 Watt
Transistor count	1,270 million	681 million
Video outputs and ports
Display Connectors	1x DVI, 1x HDMI, 1x DisplayPort	2x DVI, 1x S-Video
Compatibility, dimensions and requirements
Interface	PCIe 3.0 x16	PCIe 1.0 x16
Length	145 mm	267 mm
Supplementary power connectors	None	1x 6-pin
API support
DirectX	12.0 (11_0)	10.0
OpenGL	4.6	3.3
Memory
Maximum RAM amount	2 GB	320 MB
Memory bandwidth	28.51 GB / s	63.4 GB / s
Memory bus width	128 Bit	320 Bit
Memory clock speed	1782 MHz	1584 MHz
Memory type	DDR3	GDDR3