AMD Radeon HD 6850 X2 vs AMD Radeon HD 6950

Comparative analysis of AMD Radeon HD 6850 X2 and AMD Radeon HD 6950 videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory, Technologies. Benchmark videocards performance analysis: Geekbench - OpenCL, CompuBench 1.5 Desktop - T-Rex (Frames/s), PassMark - G2D Mark, PassMark - G3D Mark, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (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 6850 X2

AMD Radeon HD 6950

Differences

Reasons to consider the AMD Radeon HD 6850 X2

Videocard is newer: launch date 9 month(s) later
3.4x more texture fill rate: 2x 38.4 GTexel / s billion / sec vs 70.4 GTexel / s
Around 36% higher pipelines: 2x 960 vs 1408
Around 36% better floating-point performance: 2x 1,536.0 gflops vs 2,252.8 gflops
Around 97% lower typical power consumption: 254 Watt vs 500 Watt
2x more maximum memory size: 2x 2 GB vs 2 GB
3.4x more memory clock speed: 4200 MHz vs 1250 MHz

Launch date	19 September 2011 vs 14 December 2010
Texture fill rate	2x 38.4 GTexel / s billion / sec vs 70.4 GTexel / s
Pipelines	2x 960 vs 1408
Floating-point performance	2x 1,536.0 gflops vs 2,252.8 gflops
Thermal Design Power (TDP)	254 Watt vs 500 Watt
Maximum memory size	2x 2 GB vs 2 GB
Memory clock speed	4200 MHz vs 1250 MHz

Reasons to consider the AMD Radeon HD 6950

Around 54% better performance in Geekbench - OpenCL: 6105 vs 3977
2.1x better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 1.659 vs 0.789
Around 18% better performance in PassMark - G2D Mark: 439 vs 373
Around 3% better performance in PassMark - G3D Mark: 2608 vs 2534

Benchmarks
Geekbench - OpenCL	6105 vs 3977
CompuBench 1.5 Desktop - T-Rex (Frames/s)	1.659 vs 0.789
PassMark - G2D Mark	439 vs 373
PassMark - G3D Mark	2608 vs 2534

Compare benchmarks

GPU 1: AMD Radeon HD 6850 X2
GPU 2: AMD Radeon HD 6950

Geekbench - OpenCL

GPU 1

GPU 2

3977

6105

CompuBench 1.5 Desktop - T-Rex (Frames/s)

GPU 1

GPU 2

0.789

1.659

PassMark - G2D Mark

GPU 1

GPU 2

373

439

PassMark - G3D Mark

GPU 1

GPU 2

2534

2608

Name	AMD Radeon HD 6850 X2	AMD Radeon HD 6950
Geekbench - OpenCL	3977	6105
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.789	1.659
PassMark - G2D Mark	373	439
PassMark - G3D Mark	2534	2608
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		16.999
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		899.056
CompuBench 1.5 Desktop - Video Composition (Frames/s)		49.698
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		251.203
GFXBench 4.0 - Car Chase Offscreen (Frames)		3652
GFXBench 4.0 - Manhattan (Frames)		2523
GFXBench 4.0 - T-Rex (Frames)		11657
GFXBench 4.0 - Car Chase Offscreen (Fps)		3652
GFXBench 4.0 - Manhattan (Fps)		2523
GFXBench 4.0 - T-Rex (Fps)		11657
3DMark Fire Strike - Graphics Score		0

Compare specifications (specs)

	AMD Radeon HD 6850 X2	AMD Radeon HD 6950
Essentials
Architecture	TeraScale 2	TeraScale 3
Code name	Barts	Cayman
Launch date	19 September 2011	14 December 2010
Place in performance rating	720	721
Type	Desktop	Desktop
Design		AMD Radeon HD 6000 Series
Launch price (MSRP)		$299
Price now		$89.99
Value for money (0-100)		45.34
Technical info
Core clock speed	800 MHz
Floating-point performance	2x 1,536.0 gflops	2,252.8 gflops
Manufacturing process technology	40 nm	40 nm
Pipelines	2x 960	1408
Texture fill rate	2x 38.4 GTexel / s billion / sec	70.4 GTexel / s
Thermal Design Power (TDP)	254 Watt	500 Watt
Transistor count	1,700 million	2,640 million
Boost clock speed		800 MHz
Video outputs and ports
Display Connectors	2x DVI, 1x HDMI, 1x DisplayPort	2x DVI, 1x HDMI, 2x mini-DisplayPort
DisplayPort support
Dual-link DVI support
Eyefinity
HDMI
VGA
Compatibility, dimensions and requirements
Interface	PCIe 2.0 x16	PCIe 2.0 x16
Supplementary power connectors	2x 8-pin	2x 6-pin
Bus support		PCIe 2.0 x16
Length		267 mm
API support
DirectX	11.2 (11_0)	11
OpenGL	4.4	4.4
Memory
Maximum RAM amount	2x 2 GB	2 GB
Memory bandwidth	2x 134.4 GB / s
Memory bus width	2x 256 Bit	256 Bit
Memory clock speed	4200 MHz	1250 MHz
Memory type	GDDR5	GDDR5
Technologies
AMD Eyefinity
CrossFire