GeForce GTX 680MX Mac Edition vs Radeon HD 6970

Primary details

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

Place in the ranking	536	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.06	no data
Power efficiency	2.02	no data
Architecture	TeraScale 3 (2010−2013)	Kepler (2012−2018)
GPU code name	Cayman	GK104
Market segment	Desktop	Laptop
Design	reference	no data
Release date	14 December 2010 (14 years ago)	23 October 2012 (12 years ago)
Launch price (MSRP)	$369	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	1536	1536
Core clock speed	no data	719 MHz
Boost clock speed	880 MHz	no data
Number of transistors	2,640 million	3,540 million
Manufacturing process technology	40 nm	28 nm
Power consumption (TDP)	550 Watt	122 Watt
Texture fill rate	84.48	92.03
Floating-point processing power	2.703 TFLOPS	2.209 TFLOPS
ROPs	32	32
TMUs	96	128

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 2.0 x16	no data
Interface	PCIe 2.0 x16	PCIe 3.0 x16
Length	267 mm	no data
Width	2-slot	no data
Supplementary power connectors	1x 6-pin + 1x 8-pin	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	GDDR5
Maximum RAM amount	2 GB	2 GB
Memory bus width	256 Bit	256 Bit
Memory clock speed	1375 MHz	1250 MHz
Memory bandwidth	no data	160.0 GB/s

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	2x DVI, 1x HDMI, 2x mini-DisplayPort	No outputs
Eyefinity	+	-
HDMI	+	-

Supported technologies

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

CrossFire

+

-

API compatibility

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

DirectX	DirectX® 11	12 (11_0)
Shader Model	5.0	5.1
OpenGL	4.4	4.6
OpenCL	1.2	1.2
Vulkan	-	1.1.126
CUDA	-	3.0

Pros & cons summary

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Recency	14 December 2010	23 October 2012
Chip lithography	40 nm	28 nm
Power consumption (TDP)	550 Watt	122 Watt

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