Radeon HD 6620G + HD 7450M Dual Graphics vs GeForce GTX 280M

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in performance ranking	933	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.16	no data
Architecture	G9x (2007−2010)	Terascale 2 (2009−2015)
GPU code name	N10E-GTX	no data
Market segment	Laptop	Laptop
Release date	2 March 2009 (15 years ago)	8 February 2012 (12 years ago)
Current price	$140	$90

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

Detailed specifications

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores	128	560
CUDA cores	128	no data
Core clock speed	585 MHz	400 / 700 MHz
Number of transistors	754 million	no data
Manufacturing process technology	55 nm	40 nm
Power consumption (TDP)	75 Watt	no data
Texture fill rate	38 billion/sec	no data
Floating-point performance	374.5 gflops	no data
Gigaflops	562	no data

Form factor & compatibility

Information on GeForce GTX 280M and Radeon HD 6620G + HD 7450M Dual Graphics compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For notebook video cards it's notebook size, connection slot and bus, if the video card is inserted into a slot instead of being soldered to the notebook motherboard.

Laptop size	large	no data
Bus support	PCI-E 2.0	no data
Interface	MXM-IV	no data
SLI options	+	no data
MXM Type	MXM 3.0 Type-B	no data

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory type	GDDR3	no data
Maximum RAM amount	1 GB	no data
Memory bus width	256 Bit	no data
Memory clock speed	Up to 950 MHz	1800 MHz
Memory bandwidth	61 GB/s	no data
Shared memory	-	+

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display Connectors	HDMIDual Link DVISingle Link DVIDisplayPortLVDSVGA	no data
HDMI	+	no data
Maximum VGA resolution	2048x1536	no data
Audio input for HDMI	S/PDIF	no data

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

Power management

8.0

no data

API compatibility

List of supported graphics and general-purpose computing APIs, including their specific versions.

DirectX	11.1 (10_0)	11
Shader Model	4.0	no data
OpenGL	2.1	no data
OpenCL	1.1	no data
Vulkan	N/A	no data
CUDA	+	no data

Pros & cons summary

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Recency	2 March 2009	8 February 2012
Chip lithography	55 nm	40 nm

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