AMD Radeon HD 6990 vs ATI Radeon X1550

Comparative analysis of AMD Radeon HD 6990 and ATI Radeon X1550 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 6990

ATI Radeon X1550

Differences

Reasons to consider the AMD Radeon HD 6990

Videocard is newer: launch date 4 year(s) 2 month(s) later
Around 38% higher core clock speed: 830 MHz vs 600 MHz
116.5x more texture fill rate: 2x 79.7 GTexel / s billion / sec vs 2.4 GTexel / s
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 40 nm vs 90 nm
16x more maximum memory size: 2x 2 GB vs 256 MB
6.3x more memory clock speed: 5000 MHz vs 800 MHz
45x better performance in PassMark - G3D Mark: 3014 vs 67
2.1x better performance in PassMark - G2D Mark: 532 vs 253

Specifications (specs)
Launch date	8 March 2011 vs 1 January 2007
Core clock speed	830 MHz vs 600 MHz
Texture fill rate	2x 79.7 GTexel / s billion / sec vs 2.4 GTexel / s
Manufacturing process technology	40 nm vs 90 nm
Maximum memory size	2x 2 GB vs 256 MB
Memory clock speed	5000 MHz vs 800 MHz
Benchmarks
PassMark - G3D Mark	3014 vs 67
PassMark - G2D Mark	532 vs 253

Reasons to consider the ATI Radeon X1550

13.9x lower typical power consumption: 27 Watt vs 375 Watt

Thermal Design Power (TDP)	27 Watt vs 375 Watt

Compare benchmarks

GPU 1: AMD Radeon HD 6990
GPU 2: ATI Radeon X1550

PassMark - G3D Mark

GPU 1

GPU 2

3014

PassMark - G2D Mark

GPU 1

GPU 2

532

253

Name	AMD Radeon HD 6990	ATI Radeon X1550
PassMark - G3D Mark	3014	67
PassMark - G2D Mark	532	253
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	17.264
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	840.452
CompuBench 1.5 Desktop - T-Rex (Frames/s)	1.76
CompuBench 1.5 Desktop - Video Composition (Frames/s)	53.903
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	265.302
GFXBench 4.0 - Car Chase Offscreen (Frames)	4562
GFXBench 4.0 - Manhattan (Frames)	3713
GFXBench 4.0 - T-Rex (Frames)	3356
GFXBench 4.0 - Car Chase Offscreen (Fps)	4562
GFXBench 4.0 - Manhattan (Fps)	3713
GFXBench 4.0 - T-Rex (Fps)	3356
3DMark Fire Strike - Graphics Score	0

Compare specifications (specs)

	AMD Radeon HD 6990	ATI Radeon X1550
Essentials
Architecture	TeraScale 3	R500
Code name	Antilles	RV515
Launch date	8 March 2011	1 January 2007
Launch price (MSRP)	$699
Place in performance rating	673	670
Price now	$159.99
Type	Desktop	Desktop
Value for money (0-100)	27.81
Technical info
Core clock speed	830 MHz	600 MHz
Floating-point performance	2x 2,549.8 gflops
Manufacturing process technology	40 nm	90 nm
Pipelines	2x 1536
Texture fill rate	2x 79.7 GTexel / s billion / sec	2.4 GTexel / s
Thermal Design Power (TDP)	375 Watt	27 Watt
Transistor count	2,640 million	107 million
Video outputs and ports
Display Connectors	1x DVI, 4x mini-DisplayPort	1x DVI, 1x VGA, 1x S-Video
Compatibility, dimensions and requirements
Interface	PCIe 2.0 x16	PCIe 1.0 x16
Length	295 mm
Supplementary power connectors	2x 8-pin	None
API support
DirectX	11.2 (11_0)	9.0c
OpenGL	4.4	2.0
Memory
Maximum RAM amount	2x 2 GB	256 MB
Memory bandwidth	2x 160.0 GB / s	12.8 GB / s
Memory bus width	2x 256 Bit	128 Bit
Memory clock speed	5000 MHz	800 MHz
Memory type	GDDR5	DDR2