ATI Radeon HD 5490 vs NVIDIA GeForce GTX 680MX Mac Edition

Comparative analysis of ATI Radeon HD 5490 and NVIDIA GeForce GTX 680MX Mac Edition videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory.

ATI Radeon HD 5490

NVIDIA GeForce GTX 680MX Mac Edition

Differences

Reasons to consider the ATI Radeon HD 5490

6.4x lower typical power consumption: 19 Watt vs 122 Watt

Thermal Design Power (TDP)	19 Watt vs 122 Watt

Reasons to consider the NVIDIA GeForce GTX 680MX Mac Edition

Around 11% higher core clock speed: 719 MHz vs 650 MHz
17.7x more texture fill rate: 92.03 GTexel / s vs 5.2 GTexel / s
19.2x more pipelines: 1536 vs 80
21.2x better floating-point performance: 2,209 gflops vs 104.0 gflops
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 40 nm
2x more maximum memory size: 2 GB vs 1 GB
5x more memory clock speed: 5000 MHz vs 1000 MHz

Core clock speed	719 MHz vs 650 MHz
Texture fill rate	92.03 GTexel / s vs 5.2 GTexel / s
Pipelines	1536 vs 80
Floating-point performance	2,209 gflops vs 104.0 gflops
Manufacturing process technology	28 nm vs 40 nm
Maximum memory size	2 GB vs 1 GB
Memory clock speed	5000 MHz vs 1000 MHz

Compare specifications (specs)

	ATI Radeon HD 5490	NVIDIA GeForce GTX 680MX Mac Edition
Essentials
Architecture	TeraScale 2	Kepler
Code name	Cedar	GK104
Launch date	28 October 2012	23 October 2012
Place in performance rating	not rated	not rated
Type	Desktop	Desktop
Technical info
Core clock speed	650 MHz	719 MHz
Floating-point performance	104.0 gflops	2,209 gflops
Manufacturing process technology	40 nm	28 nm
Pipelines	80	1536
Texture fill rate	5.2 GTexel / s	92.03 GTexel / s
Thermal Design Power (TDP)	19 Watt	122 Watt
Transistor count	292 million	3,540 million
Video outputs and ports
Display Connectors	1x DVI, 1x HDMI, 1x VGA	No outputs
Compatibility, dimensions and requirements
Interface	PCIe 2.0 x16	PCIe 3.0 x16
Length	170 mm
Supplementary power connectors	None
API support
DirectX	11.2 (11_0)	12.0 (11_0)
OpenGL	4.4	4.6
Memory
Maximum RAM amount	1 GB	2 GB
Memory bandwidth	8 GB / s	160.0 GB / s
Memory bus width	64 Bit	256 Bit
Memory clock speed	1000 MHz	5000 MHz
Memory type	GDDR3	GDDR5