ATI Mobility Radeon HD 5450 vs NVIDIA GeForce 7900 GT

Comparative analysis of ATI Mobility Radeon HD 5450 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. 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 5450

NVIDIA GeForce 7900 GT

Differences

Reasons to consider the ATI Mobility Radeon HD 5450

Videocard is newer: launch date 3 year(s) 9 month(s) later
Around 50% higher core clock speed: 675 MHz vs 450 MHz
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 40 nm vs 90 nm
4.4x lower typical power consumption: 11 Watt vs 48 Watt
4x more maximum memory size: 1 GB vs 256 MB
Around 21% higher memory clock speed: 1600 MHz vs 1320 MHz
2x better performance in PassMark - G2D Mark: 320 vs 160

Specifications (specs)
Launch date	7 January 2010 vs 9 March 2006
Core clock speed	675 MHz vs 450 MHz
Manufacturing process technology	40 nm vs 90 nm
Thermal Design Power (TDP)	11 Watt vs 48 Watt
Maximum memory size	1 GB vs 256 MB
Memory clock speed	1600 MHz vs 1320 MHz
Benchmarks
PassMark - G2D Mark	320 vs 160

Reasons to consider the NVIDIA GeForce 7900 GT

2x more texture fill rate: 10.8 GTexel / s vs 5.4 GTexel / s
Around 21% better performance in PassMark - G3D Mark: 258 vs 214

Specifications (specs)
Texture fill rate	10.8 GTexel / s vs 5.4 GTexel / s
Benchmarks
PassMark - G3D Mark	258 vs 214

Compare benchmarks

GPU 1: ATI Mobility Radeon HD 5450
GPU 2: NVIDIA GeForce 7900 GT

PassMark - G3D Mark

GPU 1

GPU 2

214

258

PassMark - G2D Mark

GPU 1

GPU 2

320

160

Name	ATI Mobility Radeon HD 5450	NVIDIA GeForce 7900 GT
PassMark - G3D Mark	214	258
PassMark - G2D Mark	320	160
GFXBench 4.0 - T-Rex (Frames)	299
GFXBench 4.0 - T-Rex (Fps)	299

Compare specifications (specs)

	ATI Mobility Radeon HD 5450	NVIDIA GeForce 7900 GT
Essentials
Architecture	TeraScale 2	Curie
Code name	Park	G71
Launch date	7 January 2010	9 March 2006
Place in performance rating	1009	1011
Type	Laptop	Desktop
Technical info
Core clock speed	675 MHz	450 MHz
Floating-point performance	108 gflops
Manufacturing process technology	40 nm	90 nm
Pipelines	80
Texture fill rate	5.4 GTexel / s	10.8 GTexel / s
Thermal Design Power (TDP)	11 Watt	48 Watt
Transistor count	292 million	278 million
Video outputs and ports
Display Connectors	No outputs	2x DVI, 1x S-Video
Compatibility, dimensions and requirements
Interface	PCIe 2.0 x16	PCIe 1.0 x16
Supplementary power connectors		1x 6-pin
API support
DirectX	11.2 (11_0)	9.0c
OpenGL	4.4	2.1
Memory
Maximum RAM amount	1 GB	256 MB
Memory bandwidth	12.8 GB / s	42.2 GB / s
Memory bus width	64 Bit	256 Bit
Memory clock speed	1600 MHz	1320 MHz
Memory type	DDR3	GDDR3
Shared memory	0