AMD Radeon HD 6620G + HD 7670M Dual Graphics vs AMD Radeon HD 7950

Comparative analysis of AMD Radeon HD 6620G + HD 7670M Dual Graphics and AMD Radeon HD 7950 videocards for all known characteristics in the following categories: Essentials, Technical info, API support, Memory, Video outputs and ports, Compatibility, dimensions and requirements, Technologies. Benchmark videocards performance analysis: 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), 3DMark Fire Strike - Graphics Score.

AMD Radeon HD 6620G + HD 7670M Dual Graphics

AMD Radeon HD 7950

Differences

Reasons to consider the AMD Radeon HD 6620G + HD 7670M Dual Graphics

Around 44% higher memory clock speed: 1800 MHz vs 1250 MHz

Memory clock speed	1800 MHz vs 1250 MHz

Reasons to consider the AMD Radeon HD 7950

2x more pipelines: 1792 vs 880
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 32+40nm nm

Pipelines	1792 vs 880
Manufacturing process technology	28 nm vs 32+40nm nm

Compare benchmarks

GPU 1: AMD Radeon HD 6620G + HD 7670M Dual Graphics
GPU 2: AMD Radeon HD 7950

Name	AMD Radeon HD 6620G + HD 7670M Dual Graphics	AMD Radeon HD 7950
Geekbench - OpenCL		82144
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		63.74
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		1177.395
CompuBench 1.5 Desktop - T-Rex (Frames/s)		5.685
CompuBench 1.5 Desktop - Video Composition (Frames/s)		69.23
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		343.81
GFXBench 4.0 - Car Chase Offscreen (Frames)		7988
GFXBench 4.0 - Manhattan (Frames)		3699
GFXBench 4.0 - T-Rex (Frames)		3359
GFXBench 4.0 - Car Chase Offscreen (Fps)		7988
GFXBench 4.0 - Manhattan (Fps)		3699
GFXBench 4.0 - T-Rex (Fps)		3359
3DMark Fire Strike - Graphics Score		1914

Compare specifications (specs)

	AMD Radeon HD 6620G + HD 7670M Dual Graphics	AMD Radeon HD 7950
Essentials
Architecture	Terascale 2	GCN 1.0
Launch date	8 February 2012	31 January 2012
Place in performance rating	not rated	534
Type	Laptop	Desktop
Code name		Tahiti
Design		AMD Radeon HD 7000 Series
Launch price (MSRP)		$449
Technical info
Core clock speed	400 / 600 MHz
Manufacturing process technology	32+40nm nm	28 nm
Pipelines	880	1792
Boost clock speed		1250 MHz
Compute units		28
Floating-point performance		2,867 gflops
Stream Processors		1792
Texture fill rate		89.6 GTexel / s
Thermal Design Power (TDP)		300 Watt
Transistor count		4,313 million
API support
DirectX	11	11
OpenGL		4.5
Memory
Memory clock speed	1800 MHz	1250 MHz
Shared memory	1
Maximum RAM amount		3 GB
Memory bandwidth		240 GB/s
Memory bus width		384 Bit
Memory type		GDDR5
Video outputs and ports
Display Connectors		1x DVI, 1x HDMI, 2x mini-DisplayPort
DisplayPort support
Dual-link DVI support
Eyefinity
HDMI
Number of Eyefinity displays		6
VGA
Compatibility, dimensions and requirements
Bus support		PCIe 3.0 x16
Interface		PCIe 3.0 x16
Length		267 mm
Supplementary power connectors		2x 6-pin
Technologies
AMD Eyefinity
AppAcceleration
CrossFire
FreeSync
PowerTune
ZeroCore