AMD Radeon HD 7990 vs ATI Radeon HD 2900 PRO

Comparative analysis of AMD Radeon HD 7990 and ATI Radeon HD 2900 PRO 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 HD 2900 PRO

Differences

Reasons to consider the AMD Radeon HD 7990

Videocard is newer: launch date 5 year(s) 4 month(s) later
Around 58% higher core clock speed: 950 MHz vs 600 MHz
221.7x more texture fill rate: 2x 128.0 GTexel / s billion / sec vs 9.6 GTexel / s
12.8x more pipelines: 2x 2048 vs 320
21.3x better floating-point performance: 2x 4,096 gflops vs 384.0 gflops
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 80 nm
12x more maximum memory size: 2x 3 GB vs 512 MB
3.8x more memory clock speed: 6000 MHz vs 1600 MHz
8.9x better performance in PassMark - G3D Mark: 5566 vs 628
Around 93% better performance in PassMark - G2D Mark: 766 vs 397

Specifications (specs)
Launch date	24 April 2013 vs 12 December 2007
Core clock speed	950 MHz vs 600 MHz
Texture fill rate	2x 128.0 GTexel / s billion / sec vs 9.6 GTexel / s
Pipelines	2x 2048 vs 320
Floating-point performance	2x 4,096 gflops vs 384.0 gflops
Manufacturing process technology	28 nm vs 80 nm
Maximum memory size	2x 3 GB vs 512 MB
Memory clock speed	6000 MHz vs 1600 MHz
Benchmarks
PassMark - G3D Mark	5566 vs 628
PassMark - G2D Mark	766 vs 397

Reasons to consider the ATI Radeon HD 2900 PRO

Around 88% lower typical power consumption: 200 Watt vs 375 Watt

Thermal Design Power (TDP)	200 Watt vs 375 Watt

Compare benchmarks

GPU 1: AMD Radeon HD 7990
GPU 2: ATI Radeon HD 2900 PRO

PassMark - G3D Mark

GPU 1

GPU 2

5566

628

PassMark - G2D Mark

GPU 1

GPU 2

766

397

Name	AMD Radeon HD 7990	ATI Radeon HD 2900 PRO
PassMark - G3D Mark	5566	628
PassMark - G2D Mark	766	397
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 HD 2900 PRO
Essentials
Architecture	GCN 1.0	TeraScale
Code name	Malta	R600
Design	AMD Radeon HD 7000 Series
Launch date	24 April 2013	12 December 2007
Launch price (MSRP)	$999
Place in performance rating	412	379
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	600 MHz
Floating-point performance	2x 4,096 gflops	384.0 gflops
Manufacturing process technology	28 nm	80 nm
Pipelines	2x 2048	320
Texture fill rate	2x 128.0 GTexel / s billion / sec	9.6 GTexel / s
Thermal Design Power (TDP)	375 Watt	200 Watt
Transistor count	4,313 million	720 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	241 mm
Supplementary power connectors	2x 8-pin	1x 8-pin
API support
DirectX	11.2	10.0
OpenGL	4.5	3.3
Memory
Maximum RAM amount	2x 3 GB	512 MB
Memory bandwidth	2x 288.0 GB / s	118.4 GB / s
Memory bus width	2x 384 Bit	512 Bit
Memory clock speed	6000 MHz	1600 MHz
Memory type	GDDR5	GDDR4