NVIDIA GeForce GTX 645 OEM vs ATI Radeon Xpress 1100 IGP

Comparative analysis of NVIDIA GeForce GTX 645 OEM and ATI Radeon Xpress 1100 IGP 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: PassMark - G3D Mark, PassMark - G2D Mark, Geekbench - OpenCL, 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).

NVIDIA GeForce GTX 645 OEM

ATI Radeon Xpress 1100 IGP

Differences

Reasons to consider the NVIDIA GeForce GTX 645 OEM

Videocard is newer: launch date 5 year(s) 6 month(s) later
2.7x more core clock speed: 824 MHz vs 300 MHz
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 130 nm
55.4x better performance in PassMark - G3D Mark: 1883 vs 34
2.3x better performance in PassMark - G2D Mark: 428 vs 187

Specifications (specs)
Launch date	22 April 2013 vs 17 October 2007
Core clock speed	824 MHz vs 300 MHz
Manufacturing process technology	28 nm vs 130 nm
Benchmarks
PassMark - G3D Mark	1883 vs 34
PassMark - G2D Mark	428 vs 187

Compare benchmarks

GPU 1: NVIDIA GeForce GTX 645 OEM
GPU 2: ATI Radeon Xpress 1100 IGP

PassMark - G3D Mark

GPU 1

GPU 2

1883

PassMark - G2D Mark

GPU 1

GPU 2

428

187

Name	NVIDIA GeForce GTX 645 OEM	ATI Radeon Xpress 1100 IGP
PassMark - G3D Mark	1883	34
PassMark - G2D Mark	428	187
Geekbench - OpenCL	5202
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	13.806
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	546.51
CompuBench 1.5 Desktop - T-Rex (Frames/s)	1.535
CompuBench 1.5 Desktop - Video Composition (Frames/s)	27.524
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	38.664
GFXBench 4.0 - Car Chase Offscreen (Frames)	1435
GFXBench 4.0 - Manhattan (Frames)	3531
GFXBench 4.0 - T-Rex (Frames)	3300
GFXBench 4.0 - Car Chase Offscreen (Fps)	1435
GFXBench 4.0 - Manhattan (Fps)	3531
GFXBench 4.0 - T-Rex (Fps)	3300

Compare specifications (specs)

	NVIDIA GeForce GTX 645 OEM	ATI Radeon Xpress 1100 IGP
Essentials
Architecture	Kepler	Rage 8
Code name	GK106	RC410
Launch date	22 April 2013	17 October 2007
Place in performance rating	968	971
Type	Desktop	Desktop
Technical info
Core clock speed	824 MHz	300 MHz
Floating-point performance	949.2 gflops
Manufacturing process technology	28 nm	130 nm
Pipelines	576
Texture fill rate	39.55 GTexel / s
Thermal Design Power (TDP)	65 Watt
Transistor count	2,540 million
Video outputs and ports
Display Connectors	1x DVI, 1x HDMI, 1x DisplayPort	No outputs
Compatibility, dimensions and requirements
Interface	PCIe 3.0 x16	PCIe 1.0 x16
Length	147 mm
Supplementary power connectors	None	None
API support
DirectX	12.0 (11_0)	9.0
OpenGL	4.6	2.0
Memory
Maximum RAM amount	1 GB
Memory bandwidth	64 GB / s
Memory bus width	128 Bit
Memory clock speed	4000 MHz
Memory type	GDDR5