NVIDIA GeForce GTX 780 Rev. 2 vs ATI Radeon HD 2900 XT

Comparative analysis of NVIDIA GeForce GTX 780 Rev. 2 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. Benchmark videocards performance analysis: CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps), PassMark - G3D Mark, PassMark - G2D Mark.

NVIDIA GeForce GTX 780 Rev. 2

ATI Radeon HD 2900 XT

Differences

Reasons to consider the NVIDIA GeForce GTX 780 Rev. 2

Videocard is newer: launch date 6 year(s) 3 month(s) later
Around 16% higher core clock speed: 863 MHz vs 743 MHz
14.6x more texture fill rate: 173.2 GTexel / s vs 11.89 GTexel / s
7.2x more pipelines: 2304 vs 320
8.7x better floating-point performance: 4,156 gflops vs 475.5 gflops
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 80 nm
6x more maximum memory size: 3 GB vs 512 MB
3.6x more memory clock speed: 6008 MHz vs 1656 MHz

Launch date	10 September 2013 vs 14 May 2007
Core clock speed	863 MHz vs 743 MHz
Texture fill rate	173.2 GTexel / s vs 11.89 GTexel / s
Pipelines	2304 vs 320
Floating-point performance	4,156 gflops vs 475.5 gflops
Manufacturing process technology	28 nm vs 80 nm
Maximum memory size	3 GB vs 512 MB
Memory clock speed	6008 MHz vs 1656 MHz

Reasons to consider the ATI Radeon HD 2900 XT

Around 16% lower typical power consumption: 215 Watt vs 250 Watt

Thermal Design Power (TDP)	215 Watt vs 250 Watt

Compare benchmarks

GPU 1: NVIDIA GeForce GTX 780 Rev. 2
GPU 2: ATI Radeon HD 2900 XT

Name	NVIDIA GeForce GTX 780 Rev. 2	ATI Radeon HD 2900 XT
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	30.133
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	1441.971
CompuBench 1.5 Desktop - T-Rex (Frames/s)	7.36
CompuBench 1.5 Desktop - Video Composition (Frames/s)	64.264
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	148.747
GFXBench 4.0 - Car Chase Offscreen (Frames)	9209
GFXBench 4.0 - Manhattan (Frames)	3582
GFXBench 4.0 - T-Rex (Frames)	3331
GFXBench 4.0 - Car Chase Offscreen (Fps)	9209
GFXBench 4.0 - Manhattan (Fps)	3582
GFXBench 4.0 - T-Rex (Fps)	3331
PassMark - G3D Mark		660
PassMark - G2D Mark		397

Compare specifications (specs)

	NVIDIA GeForce GTX 780 Rev. 2	ATI Radeon HD 2900 XT
Essentials
Architecture	Kepler	TeraScale
Code name	GK110B	R600
Launch date	10 September 2013	14 May 2007
Launch price (MSRP)	$649	$399
Place in performance rating	544	375
Type	Desktop	Desktop
Technical info
Boost clock speed	902 MHz
Core clock speed	863 MHz	743 MHz
Floating-point performance	4,156 gflops	475.5 gflops
Manufacturing process technology	28 nm	80 nm
Pipelines	2304	320
Texture fill rate	173.2 GTexel / s	11.89 GTexel / s
Thermal Design Power (TDP)	250 Watt	215 Watt
Transistor count	7,080 million	720 million
Video outputs and ports
Display Connectors	2x DVI, 1x HDMI, 1x DisplayPort	2x DVI, 1x S-Video
Compatibility, dimensions and requirements
Interface	PCIe 3.0 x16	PCIe 1.0 x16
Length	267 mm	241 mm
Supplementary power connectors	1x 6-pin + 1x 8-pin	1x 6-pin + 1x 8-pin
API support
DirectX	12.0 (11_1)	10.0
OpenGL	4.6	3.3
Memory
Maximum RAM amount	3 GB	512 MB
Memory bandwidth	288.4 GB / s	106.0 GB / s
Memory bus width	384 Bit	512 Bit
Memory clock speed	6008 MHz	1656 MHz
Memory type	GDDR5	GDDR3