NVIDIA GeForce 8800 GT vs ATI Radeon HD 2900 XT

Comparative analysis of NVIDIA GeForce 8800 GT and ATI Radeon HD 2900 XT 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).

NVIDIA GeForce 8800 GT

ATI Radeon HD 2900 XT

Differences

Reasons to consider the NVIDIA GeForce 8800 GT

Videocard is newer: launch date 5 month(s) later
2x more core clock speed: 1500 MHz vs 743 MHz
2.8x more texture fill rate: 33.6 billion / sec vs 11.89 GTexel / s
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 65 nm vs 80 nm
2x lower typical power consumption: 105 Watt vs 215 Watt

Launch date	29 October 2007 vs 14 May 2007
Core clock speed	1500 MHz vs 743 MHz
Texture fill rate	33.6 billion / sec vs 11.89 GTexel / s
Manufacturing process technology	65 nm vs 80 nm
Thermal Design Power (TDP)	105 Watt vs 215 Watt

Reasons to consider the ATI Radeon HD 2900 XT

2.9x more pipelines: 320 vs 112
Around 42% better floating-point performance: 475.5 gflops vs 336.0 gflops
Around 84% higher memory clock speed: 1656 MHz vs 900 MHz
Around 43% better performance in PassMark - G3D Mark: 660 vs 463
8.1x better performance in PassMark - G2D Mark: 397 vs 49

Specifications (specs)
Pipelines	320 vs 112
Floating-point performance	475.5 gflops vs 336.0 gflops
Memory clock speed	1656 MHz vs 900 MHz
Benchmarks
PassMark - G3D Mark	660 vs 463
PassMark - G2D Mark	397 vs 49

Compare benchmarks

GPU 1: NVIDIA GeForce 8800 GT
GPU 2: ATI Radeon HD 2900 XT

PassMark - G3D Mark

GPU 1

GPU 2

463

660

PassMark - G2D Mark

GPU 1

GPU 2

397

Name	NVIDIA GeForce 8800 GT	ATI Radeon HD 2900 XT
PassMark - G3D Mark	463	660
PassMark - G2D Mark	49	397
GFXBench 4.0 - T-Rex (Frames)	3346
GFXBench 4.0 - T-Rex (Fps)	3346

Compare specifications (specs)

	NVIDIA GeForce 8800 GT	ATI Radeon HD 2900 XT
Essentials
Architecture	Tesla	TeraScale
Code name	G92	R600
Launch date	29 October 2007	14 May 2007
Launch price (MSRP)	$349	$399
Place in performance rating	1399	408
Type	Desktop	Desktop
Technical info
Core clock speed	1500 MHz	743 MHz
CUDA cores	112
Floating-point performance	336.0 gflops	475.5 gflops
Manufacturing process technology	65 nm	80 nm
Maximum GPU temperature	105 °C
Pipelines	112	320
Texture fill rate	33.6 billion / sec	11.89 GTexel / s
Thermal Design Power (TDP)	105 Watt	215 Watt
Transistor count	754 million	720 million
Video outputs and ports
Audio input for HDMI	S / PDIF
Display Connectors	2x DVI, 1x S-Video, Dual Link DVIHDTV	2x DVI, 1x S-Video
Maximum VGA resolution	2048x1536
Multi monitor support
Compatibility, dimensions and requirements
Bus support	PCI-E 2.0
Interface	PCIe 2.0 x16	PCIe 1.0 x16
Length	9" (22.9 cm)	241 mm
SLI options	2-way
Supplementary power connectors	6-pin & 8-pin	1x 6-pin + 1x 8-pin
API support
DirectX	10.0	10.0
OpenGL	2.1	3.3
Memory
Maximum RAM amount	512 MB	512 MB
Memory bandwidth	57.6 GB / s	106.0 GB / s
Memory bus width	256 Bit	512 Bit
Memory clock speed	900 MHz	1656 MHz
Memory type	GDDR3	GDDR3
Technologies
3D Vision
CUDA
High Dynamic-Range Lighting (HDRR)	128bit