Radeon HD 6620G + HD 7450M Dual Graphics vs GeForce GTX 680M SLI

Primary details

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

Place in performance ranking	302	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	28.80	no data
Architecture	Kepler (2012−2018)	Terascale 2 (2009−2015)
GPU code name	N13E-GTX	no data
Market segment	Laptop	Laptop
Release date	4 June 2012 (11 years ago)	8 February 2012 (12 years ago)
Current price	$149	$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	2688	560
Core clock speed	720 MHz	400 / 700 MHz
Manufacturing process technology	28 nm	40 nm

Form factor & compatibility

Information on GeForce GTX 680M SLI 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
SLI options	+	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	GDDR5	no data
Maximum RAM amount	2x 4 GB	no data
Memory bus width	2x 256 Bit	no data
Memory clock speed	3600 MHz	1800 MHz
Shared memory	-	+

Supported technologies

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

Optimus

+

no data

API compatibility

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

DirectX	11	11
CUDA	+	no data

Pros & cons summary

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Recency	4 June 2012	8 February 2012
Chip lithography	28 nm	40 nm

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