AMD Radeon HD 7640G IGP vs NVIDIA GeForce GT 620

Comparative analysis of AMD Radeon HD 7640G IGP and NVIDIA GeForce GT 620 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).

AMD Radeon HD 7640G IGP

NVIDIA GeForce GT 620

Differences

Reasons to consider the AMD Radeon HD 7640G IGP

A newer manufacturing process allows for a more powerful, yet cooler running videocard: 32 nm vs 40 nm
Around 40% lower typical power consumption: 35 Watt vs 49 Watt

Manufacturing process technology	32 nm vs 40 nm
Thermal Design Power (TDP)	35 Watt vs 49 Watt

Reasons to consider the NVIDIA GeForce GT 620

Around 41% higher core clock speed: 700 MHz vs 496 MHz

Core clock speed	700 MHz vs 496 MHz

Compare benchmarks

GPU 1: AMD Radeon HD 7640G IGP
GPU 2: NVIDIA GeForce GT 620

Name	AMD Radeon HD 7640G IGP	NVIDIA GeForce GT 620
PassMark - G3D Mark		376
PassMark - G2D Mark		158
Geekbench - OpenCL		1555
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		4.046
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		83.907
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.371
CompuBench 1.5 Desktop - Video Composition (Frames/s)		6.791
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		17.41
GFXBench 4.0 - Car Chase Offscreen (Frames)		614
GFXBench 4.0 - Manhattan (Frames)		1162
GFXBench 4.0 - T-Rex (Frames)		1683
GFXBench 4.0 - Car Chase Offscreen (Fps)		614
GFXBench 4.0 - Manhattan (Fps)		1162
GFXBench 4.0 - T-Rex (Fps)		1683

Compare specifications (specs)

	AMD Radeon HD 7640G IGP	NVIDIA GeForce GT 620
Essentials
Architecture	TeraScale 3	Fermi
Code name	Devastator	GF108
Launch date	15 May 2012	15 May 2012
Place in performance rating	not rated	1550
Type	Desktop	Desktop
Launch price (MSRP)		$39.99
Price now		$39.99
Value for money (0-100)		13.32
Technical info
Boost clock speed	685 MHz
Core clock speed	496 MHz	700 MHz
Manufacturing process technology	32 nm	40 nm
Thermal Design Power (TDP)	35 Watt	49 Watt
Transistor count	1,303 million	585 million
CUDA cores		96
Floating-point performance		268.8 gflops
Maximum GPU temperature		98 °C
Pipelines		96
Texture fill rate		11.2 billion / sec
Video outputs and ports
Display Connectors	No outputs	1x DVI, 1x HDMI, 1x VGA, Dual Link DVI-I, HDMI, VGA
Audio input for HDMI		Internal
HDCP
HDMI
Maximum VGA resolution		2048x1536
Multi monitor support
Compatibility, dimensions and requirements
Interface	IGP	PCIe 2.0 x16
Bus support		PCI Express 2.0
Height		2.7" (6.9 cm)
Length		5.7" (14.5 cm)
Supplementary power connectors		None
API support
DirectX	11.2 (11_0)	12.0 (11_0)
OpenGL	4.4	4.2
Memory
Maximum RAM amount		1 GB
Memory bandwidth		14.4 GB / s
Memory bus width		64 Bit
Memory clock speed		1.8 GB/s
Memory type		DDR3
Technologies
3D Blu-Ray
CUDA