AMD Radeon HD 7990 vs ATI Radeon X1900 GT

Comparative analysis of AMD Radeon HD 7990 and ATI Radeon X1900 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, 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), 3DMark Fire Strike - Graphics Score.

AMD Radeon HD 7990

ATI Radeon X1900 GT

Differences

Reasons to consider the AMD Radeon HD 7990

Videocard is newer: launch date 6 year(s) 11 month(s) later
Around 65% higher core clock speed: 950 MHz vs 575 MHz
308.4x more texture fill rate: 2x 128.0 GTexel / s billion / sec vs 6.9 GTexel / s
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 90 nm
24x more maximum memory size: 2x 3 GB vs 256 MB
5x more memory clock speed: 6000 MHz vs 1200 MHz
38.1x better performance in PassMark - G3D Mark: 5566 vs 146
Around 87% better performance in PassMark - G2D Mark: 766 vs 409

Specifications (specs)
Launch date	24 April 2013 vs 1 May 2006
Core clock speed	950 MHz vs 575 MHz
Texture fill rate	2x 128.0 GTexel / s billion / sec vs 6.9 GTexel / s
Manufacturing process technology	28 nm vs 90 nm
Maximum memory size	2x 3 GB vs 256 MB
Memory clock speed	6000 MHz vs 1200 MHz
Benchmarks
PassMark - G3D Mark	5566 vs 146
PassMark - G2D Mark	766 vs 409

Reasons to consider the ATI Radeon X1900 GT

5x lower typical power consumption: 75 Watt vs 375 Watt

Thermal Design Power (TDP)	75 Watt vs 375 Watt

Compare benchmarks

GPU 1: AMD Radeon HD 7990
GPU 2: ATI Radeon X1900 GT

PassMark - G3D Mark

GPU 1

GPU 2

5566

146

PassMark - G2D Mark

GPU 1

GPU 2

766

409

Name	AMD Radeon HD 7990	ATI Radeon X1900 GT
PassMark - G3D Mark	5566	146
PassMark - G2D Mark	766	409
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	88.665
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	1753.494
CompuBench 1.5 Desktop - T-Rex (Frames/s)	8.437
CompuBench 1.5 Desktop - Video Composition (Frames/s)	88.328
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	434.598
GFXBench 4.0 - Car Chase Offscreen (Frames)	6689
GFXBench 4.0 - Manhattan (Frames)	3712
GFXBench 4.0 - T-Rex (Frames)	3356
GFXBench 4.0 - Car Chase Offscreen (Fps)	6689
GFXBench 4.0 - Manhattan (Fps)	3712
GFXBench 4.0 - T-Rex (Fps)	3356
3DMark Fire Strike - Graphics Score	0

Compare specifications (specs)

	AMD Radeon HD 7990	ATI Radeon X1900 GT
Essentials
Architecture	GCN 1.0	R500
Code name	Malta	R580
Design	AMD Radeon HD 7000 Series
Launch date	24 April 2013	1 May 2006
Launch price (MSRP)	$999
Place in performance rating	417	416
Price now	$1,126.99
Type	Desktop	Desktop
Value for money (0-100)	7.87
Technical info
Boost clock speed	1000 MHz
Core clock speed	950 MHz	575 MHz
Floating-point performance	2x 4,096 gflops
Manufacturing process technology	28 nm	90 nm
Pipelines	2x 2048
Texture fill rate	2x 128.0 GTexel / s billion / sec	6.9 GTexel / s
Thermal Design Power (TDP)	375 Watt	75 Watt
Transistor count	4,313 million	384 million
Video outputs and ports
Display Connectors	1x DVI, 4x mini-DisplayPort	2x DVI, 1x S-Video
DisplayPort support
Dual-link DVI support
VGA
Compatibility, dimensions and requirements
Interface	PCIe 3.0 x16	PCIe 1.0 x16
Length	307 mm
Supplementary power connectors	2x 8-pin	1x 6-pin
API support
DirectX	11.2	9.0c
OpenGL	4.5	2.0
Memory
Maximum RAM amount	2x 3 GB	256 MB
Memory bandwidth	2x 288.0 GB / s	38.4 GB / s
Memory bus width	2x 384 Bit	256 Bit
Memory clock speed	6000 MHz	1200 MHz
Memory type	GDDR5	GDDR3