Radeon HD 6620G + HD 7450M Dual Graphics vs HD 7690M

Primary details

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

Place in the ranking	845	not rated
Place by popularity	not in top-100	not in top-100
Power efficiency	8.09	no data
Architecture	TeraScale 2 (2009−2015)	Terascale 2 (2009−2015)
GPU code name	Thames	no data
Market segment	Laptop	Laptop
Release date	25 December 2011 (13 years ago)	8 February 2012 (12 years ago)

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	480	560
Core clock speed	725 MHz	400 / 700 MHz
Boost clock speed	725 MHz	no data
Number of transistors	716 million	no data
Manufacturing process technology	40 nm	40 nm
Power consumption (TDP)	20 Watt	no data
Texture fill rate	17.40	no data
Floating-point processing power	0.696 TFLOPS	no data
ROPs	16	no data
TMUs	24	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).

Laptop size	medium sized	no data
Interface	MXM-A (3.0)	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	DDR3	no data
Maximum RAM amount	1 GB	no data
Memory bus width	128 Bit	no data
Memory clock speed	900 MHz	1800 MHz
Memory bandwidth	28.8 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

No outputs

no data

API compatibility

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

DirectX	11.2 (11_0)	11
Shader Model	5.0	no data
OpenGL	4.4	no data
OpenCL	1.2	no data
Vulkan	N/A	-

Pros & cons summary

---

Recency

25 December 2011

8 February 2012

---

Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.

---