AMD Radeon HD 6790 vs NVIDIA GeForce 7800 GS AGP

Comparative analysis of AMD Radeon HD 6790 and NVIDIA GeForce 7800 GS AGP 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, 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).

AMD Radeon HD 6790

NVIDIA GeForce 7800 GS AGP

Differences

Reasons to consider the AMD Radeon HD 6790

Videocard is newer: launch date 5 year(s) 2 month(s) later
2.2x more core clock speed: 840 MHz vs 375 MHz
5.6x more texture fill rate: 33.6 GTexel / s vs 6 GTexel / s
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 40 nm vs 90 nm
4x more maximum memory size: 1 GB vs 256 MB
3.5x more memory clock speed: 4200 MHz vs 1200 MHz
9.1x better performance in PassMark - G3D Mark: 1616 vs 177
Around 88% better performance in PassMark - G2D Mark: 374 vs 199

Specifications (specs)
Launch date	4 April 2011 vs 2 February 2006
Core clock speed	840 MHz vs 375 MHz
Texture fill rate	33.6 GTexel / s vs 6 GTexel / s
Manufacturing process technology	40 nm vs 90 nm
Maximum memory size	1 GB vs 256 MB
Memory clock speed	4200 MHz vs 1200 MHz
Benchmarks
PassMark - G3D Mark	1616 vs 177
PassMark - G2D Mark	374 vs 199

Reasons to consider the NVIDIA GeForce 7800 GS AGP

2x lower typical power consumption: 75 Watt vs 150 Watt

Thermal Design Power (TDP)	75 Watt vs 150 Watt

Compare benchmarks

GPU 1: AMD Radeon HD 6790
GPU 2: NVIDIA GeForce 7800 GS AGP

PassMark - G3D Mark

GPU 1

GPU 2

1616

177

PassMark - G2D Mark

GPU 1

GPU 2

374

199

Name	AMD Radeon HD 6790	NVIDIA GeForce 7800 GS AGP
PassMark - G3D Mark	1616	177
PassMark - G2D Mark	374	199
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	12.318
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	748.068
CompuBench 1.5 Desktop - T-Rex (Frames/s)	1.234
CompuBench 1.5 Desktop - Video Composition (Frames/s)	28.768
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	121.423
GFXBench 4.0 - Car Chase Offscreen (Frames)	3127
GFXBench 4.0 - Manhattan (Frames)	3534
GFXBench 4.0 - T-Rex (Frames)	3350
GFXBench 4.0 - Car Chase Offscreen (Fps)	3127
GFXBench 4.0 - Manhattan (Fps)	3534
GFXBench 4.0 - T-Rex (Fps)	3350

Compare specifications (specs)

	AMD Radeon HD 6790	NVIDIA GeForce 7800 GS AGP
Essentials
Architecture	TeraScale 2	Curie
Code name	Barts	G71
Launch date	4 April 2011	2 February 2006
Launch price (MSRP)	$149
Place in performance rating	857	860
Price now	$64.99
Type	Desktop	Desktop
Value for money (0-100)	39.40
Technical info
Core clock speed	840 MHz	375 MHz
Floating-point performance	1,344.0 gflops
Manufacturing process technology	40 nm	90 nm
Pipelines	800
Texture fill rate	33.6 GTexel / s	6 GTexel / s
Thermal Design Power (TDP)	150 Watt	75 Watt
Transistor count	1,700 million	278 million
Video outputs and ports
Display Connectors	2x DVI, 1x HDMI, 1x DisplayPort	1x DVI, 1x VGA, 1x S-Video
Compatibility, dimensions and requirements
Interface	PCIe 2.0 x16	AGP 8x
Length	198 mm
Supplementary power connectors	2x 6-pin	1x Molex
API support
DirectX	11.2 (11_0)	9.0c
OpenGL	4.4	2.1
Memory
Maximum RAM amount	1 GB	256 MB
Memory bandwidth	134.4 GB / s	38.4 GB / s
Memory bus width	256 Bit	256 Bit
Memory clock speed	4200 MHz	1200 MHz
Memory type	GDDR5	GDDR3