Radeon HD 6620G + HD 7450M Dual Graphics vs HD 7750

Primary details

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

Place in the ranking	667	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.16	no data
Power efficiency	5.59	no data
Architecture	GCN 1.0 (2011−2020)	Terascale 2 (2009−2015)
GPU code name	Cape Verde	no data
Market segment	Desktop	Laptop
Design	reference	no data
Release date	15 February 2012 (12 years ago)	8 February 2012 (12 years ago)
Launch price (MSRP)	$109	no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores	512	560
Core clock speed	no data	400 / 700 MHz
Boost clock speed	800 MHz	no data
Number of transistors	1,500 million	no data
Manufacturing process technology	28 nm	40 nm
Power consumption (TDP)	75 Watt	no data
Texture fill rate	25.60	no data
Floating-point processing power	0.8192 TFLOPS	no data
ROPs	16	no data
TMUs	32	no data

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

Bus support	PCIe 2.1 x16	no data
Interface	PCIe 3.0 x16	no data
Length	168 mm	no data
Width	1-slot	no data
Supplementary power connectors	None	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	1 GB	no data
Memory bus width	128 Bit	no data
Memory clock speed	1125 MHz	1800 MHz
Memory bandwidth	72 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	1x DVI, 1x HDMI, 1x DisplayPort	no data
Eyefinity	+	-
HDMI	+	-
DisplayPort support	+	-

Supported technologies

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

CrossFire	+	-
FreeSync	+	-

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX	DirectX® 11	11
Shader Model	5.1	no data
OpenGL	4.6	no data
OpenCL	1.2	no data

Pros & cons summary

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Chip lithography

28 nm

40 nm

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