AMD Radeon HD 6620G vs NVIDIA GeForce 305M

Comparative analysis of AMD Radeon HD 6620G and NVIDIA GeForce 305M videocards for all known characteristics in the following categories: Essentials, Technical info, Compatibility, dimensions and requirements, API support, Memory, Video outputs and ports, Technologies. Benchmark videocards performance analysis: Geekbench - OpenCL, GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps), PassMark - G2D Mark, PassMark - G3D Mark.

AMD Radeon HD 6620G

NVIDIA GeForce 305M

Differences

Reasons to consider the AMD Radeon HD 6620G

Videocard is newer: launch date 1 year(s) 5 month(s) later
25x more pipelines: 400 vs 16
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 32 nm vs 40 nm
2.3x better performance in PassMark - G3D Mark: 341 vs 151

Specifications (specs)
Launch date	15 June 2011 vs 10 January 2010
Pipelines	400 vs 16
Manufacturing process technology	32 nm vs 40 nm
Benchmarks
PassMark - G3D Mark	341 vs 151

Reasons to consider the NVIDIA GeForce 305M

2.9x more core clock speed: 1150 MHz vs 400 MHz
2.1x better performance in Geekbench - OpenCL: 1987 vs 962
Around 45% better performance in PassMark - G2D Mark: 149 vs 103

Specifications (specs)
Core clock speed	1150 MHz vs 400 MHz
Benchmarks
Geekbench - OpenCL	1987 vs 962
PassMark - G2D Mark	149 vs 103

Compare benchmarks

GPU 1: AMD Radeon HD 6620G
GPU 2: NVIDIA GeForce 305M

Geekbench - OpenCL

GPU 1

GPU 2

962

1987

PassMark - G2D Mark

GPU 1

GPU 2

103

149

PassMark - G3D Mark

GPU 1

GPU 2

341

151

Name	AMD Radeon HD 6620G	NVIDIA GeForce 305M
Geekbench - OpenCL	962	1987
GFXBench 4.0 - Car Chase Offscreen (Frames)	790
GFXBench 4.0 - Car Chase Offscreen (Fps)	790
GFXBench 4.0 - Manhattan (Frames)	1755
GFXBench 4.0 - Manhattan (Fps)	1755
GFXBench 4.0 - T-Rex (Frames)	3310
GFXBench 4.0 - T-Rex (Fps)	3310
PassMark - G2D Mark	103	149
PassMark - G3D Mark	341	151

Compare specifications (specs)

	AMD Radeon HD 6620G	NVIDIA GeForce 305M
Essentials
Architecture	Terascale 2	Tesla 2.0
Code name	Llano	GT218
Launch date	15 June 2011	10 January 2010
Place in performance rating	1354	1356
Type	Laptop	Laptop
Technical info
Core clock speed	400 MHz	1150 MHz
Manufacturing process technology	32 nm	40 nm
Pipelines	400	16
Transistor count	1000 Million	260 million
CUDA cores		16
Floating-point performance		36.8 gflops
Gigaflops		55
Texture fill rate		4.2 GTexel / s
Thermal Design Power (TDP)		14 Watt
Compatibility, dimensions and requirements
Laptop size	medium sized
Bus support		PCI-E 2.0
Interface		PCIe 2.0 x16
API support
DirectX	11	10.1
OpenGL		2.1
Memory
Shared memory	1	0
Memory bandwidth		11.2 GB / s
Memory bus width		64 Bit
Memory type		GDDR2, GDDR3, DDR2, DDR3
Video outputs and ports
Display Connectors		DisplayPortHDMIVGADual Link DVISingle Link DVI
HDMI
Maximum VGA resolution		2048x1536
Multi monitor support
Technologies
CUDA
HybridPower
Power management		8.0