NVIDIA GeForce GT 620M vs ATI Radeon X1900 XT

Comparative analysis of NVIDIA GeForce GT 620M and ATI Radeon X1900 XT videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory, Technologies. 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 GT 620M

ATI Radeon X1900 XT

Differences

Reasons to consider the NVIDIA GeForce GT 620M

Videocard is newer: launch date 6 year(s) 7 month(s) later
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 40 nm vs 90 nm
6.7x lower typical power consumption: 15 Watt vs 100 Watt
4x more maximum memory size: 1 GB vs 256 MB
Around 24% higher memory clock speed: 1800 MHz vs 1450 MHz

Launch date	23 August 2012 vs 1 January 2006
Manufacturing process technology	40 nm vs 90 nm
Thermal Design Power (TDP)	15 Watt vs 100 Watt
Maximum memory size	1 GB vs 256 MB
Memory clock speed	1800 MHz vs 1450 MHz

Compare benchmarks

GPU 1: NVIDIA GeForce GT 620M
GPU 2: ATI Radeon X1900 XT

Name	NVIDIA GeForce GT 620M	ATI Radeon X1900 XT
PassMark - G3D Mark	432
PassMark - G2D Mark	126
Geekbench - OpenCL	2141
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	4.233
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	161.144
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.519
CompuBench 1.5 Desktop - Video Composition (Frames/s)	7.151
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	16.605
GFXBench 4.0 - Car Chase Offscreen (Frames)	1032
GFXBench 4.0 - Manhattan (Frames)	1595
GFXBench 4.0 - T-Rex (Frames)	2392
GFXBench 4.0 - Car Chase Offscreen (Fps)	1032
GFXBench 4.0 - Manhattan (Fps)	1595
GFXBench 4.0 - T-Rex (Fps)	2392

Compare specifications (specs)

	NVIDIA GeForce GT 620M	ATI Radeon X1900 XT
Essentials
Architecture	Fermi	R500
Code name	GF108	R580
Launch date	23 August 2012	1 January 2006
Place in performance rating	1500	not rated
Type	Laptop	Desktop
Launch price (MSRP)		$299
Technical info
Boost clock speed	715 MHz
CUDA cores	96
Floating-point performance	253.4 gflops
Manufacturing process technology	40 nm	90 nm
Pipelines	96
Thermal Design Power (TDP)	15 Watt	100 Watt
Transistor count	585 million	384 million
Core clock speed		625 MHz
Texture fill rate		10 GTexel / s
Video outputs and ports
Display Connectors	No outputs	2x DVI, 1x S-Video
HDCP
HDMI
Maximum VGA resolution	Up to 2048x1536
Compatibility, dimensions and requirements
Bus support	PCI Express 2.0
Interface	PCIe 2.0 x16	PCIe 1.0 x16
Laptop size	medium sized
Length		242 mm
Supplementary power connectors		1x 6-pin
API support
DirectX	12 API	9.0c
OpenCL	1.1
OpenGL	4.5	2.0
Memory
Maximum RAM amount	1 GB	256 MB
Memory clock speed	1800 MHz	1450 MHz
Memory type	DDR3	GDDR3
Shared memory	0
Memory bandwidth		46.4 GB / s
Memory bus width		256 Bit
Technologies
3D Blu-Ray
CUDA
DirectCompute
DirectX 11	DirectX 11
Optimus
Verde Drivers