ATI Mobility Radeon HD 2600 vs NVIDIA GeForce 7900 GT

Comparative analysis of ATI Mobility Radeon HD 2600 and NVIDIA GeForce 7900 GT videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory, Technologies. Benchmark videocards performance analysis: PassMark - G3D Mark, PassMark - G2D Mark, GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps).

ATI Mobility Radeon HD 2600

NVIDIA GeForce 7900 GT

Differences

Reasons to consider the ATI Mobility Radeon HD 2600

Videocard is newer: launch date 1 year(s) 2 month(s) later
Around 11% higher core clock speed: 500 MHz vs 450 MHz
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 65 nm vs 90 nm
Around 67% better performance in PassMark - G2D Mark: 267 vs 160

Specifications (specs)
Launch date	14 May 2007 vs 9 March 2006
Core clock speed	500 MHz vs 450 MHz
Manufacturing process technology	65 nm vs 90 nm
Benchmarks
PassMark - G2D Mark	267 vs 160

Reasons to consider the NVIDIA GeForce 7900 GT

2.7x more texture fill rate: 10.8 GTexel / s vs 4 GTexel / s
Around 65% higher memory clock speed: 1320 MHz vs 800 MHz
Around 54% better performance in PassMark - G3D Mark: 258 vs 168

Specifications (specs)
Texture fill rate	10.8 GTexel / s vs 4 GTexel / s
Memory clock speed	1320 MHz vs 800 MHz
Benchmarks
PassMark - G3D Mark	258 vs 168

Compare benchmarks

GPU 1: ATI Mobility Radeon HD 2600
GPU 2: NVIDIA GeForce 7900 GT

PassMark - G3D Mark

GPU 1

GPU 2

168

258

PassMark - G2D Mark

GPU 1

GPU 2

267

160

Name	ATI Mobility Radeon HD 2600	NVIDIA GeForce 7900 GT
PassMark - G3D Mark	168	258
PassMark - G2D Mark	267	160
GFXBench 4.0 - T-Rex (Frames)	1690
GFXBench 4.0 - T-Rex (Fps)	1690

Compare specifications (specs)

	ATI Mobility Radeon HD 2600	NVIDIA GeForce 7900 GT
Essentials
Architecture	TeraScale	Curie
Code name	M76	G71
Launch date	14 May 2007	9 March 2006
Place in performance rating	1018	1020
Type	Laptop	Desktop
Technical info
Core clock speed	500 MHz	450 MHz
Floating-point performance	120 gflops
Manufacturing process technology	65 nm	90 nm
Pipelines	120
Texture fill rate	4 GTexel / s	10.8 GTexel / s
Transistor count	390 million	278 million
Thermal Design Power (TDP)		48 Watt
Video outputs and ports
Display Connectors	No outputs	2x DVI, 1x S-Video
Compatibility, dimensions and requirements
Interface	MXM-II	PCIe 1.0 x16
Laptop size	medium sized
Supplementary power connectors		1x 6-pin
API support
DirectX	10.0	9.0c
OpenGL	3.3	2.1
Memory
Maximum RAM amount	256 MB	256 MB
Memory bandwidth	12.8 GB / s	42.2 GB / s
Memory bus width	128 Bit	256 Bit
Memory clock speed	800 MHz	1320 MHz
Memory type	DDR2, GDDR3	GDDR3
Shared memory	0
Technologies
PowerPlay 7.0