AMD Radeon HD 6870 X2 vs NVIDIA Quadro 400

Comparative analysis of AMD Radeon HD 6870 X2 and NVIDIA Quadro 400 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: CompuBench 1.5 Desktop - T-Rex (Frames/s), PassMark - G3D Mark, PassMark - G2D Mark, Geekbench - OpenCL, GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps).

AMD Radeon HD 6870 X2

NVIDIA Quadro 400

Differences

Reasons to consider the AMD Radeon HD 6870 X2

Videocard is newer: launch date 3 month(s) later
2x more core clock speed: 900 MHz vs 450 MHz
34.8x more texture fill rate: 2x 50.4 GTexel / s billion / sec vs 7.2 GTexel / s
46.7x more pipelines: 2x 1120 vs 48
37.3x better floating-point performance: 2x 2,016.0 gflops vs 108 gflops
4x more maximum memory size: 2x 1 GB vs 512 MB
2.7x more memory clock speed: 4200 MHz vs 1540 MHz

Launch date	8 July 2011 vs 5 April 2011
Core clock speed	900 MHz vs 450 MHz
Texture fill rate	2x 50.4 GTexel / s billion / sec vs 7.2 GTexel / s
Pipelines	2x 1120 vs 48
Floating-point performance	2x 2,016.0 gflops vs 108 gflops
Maximum memory size	2x 1 GB vs 512 MB
Memory clock speed	4200 MHz vs 1540 MHz

Reasons to consider the NVIDIA Quadro 400

9.4x lower typical power consumption: 32 Watt vs 300 Watt

Thermal Design Power (TDP)	32 Watt vs 300 Watt

Compare benchmarks

GPU 1: AMD Radeon HD 6870 X2
GPU 2: NVIDIA Quadro 400

Name	AMD Radeon HD 6870 X2	NVIDIA Quadro 400
CompuBench 1.5 Desktop - T-Rex (Frames/s)	1.807
PassMark - G3D Mark		148
PassMark - G2D Mark		59
Geekbench - OpenCL		4630
GFXBench 4.0 - T-Rex (Frames)		1103
GFXBench 4.0 - T-Rex (Fps)		1103

Compare specifications (specs)

	AMD Radeon HD 6870 X2	NVIDIA Quadro 400
Essentials
Architecture	TeraScale 2	Tesla 2.0
Code name	Barts	GT216
Launch date	8 July 2011	5 April 2011
Launch price (MSRP)	$520	$169
Place in performance rating	1607	1608
Type	Desktop	Workstation
Price now		$145.55
Value for money (0-100)		2.13
Technical info
Core clock speed	900 MHz	450 MHz
Floating-point performance	2x 2,016.0 gflops	108 gflops
Manufacturing process technology	40 nm	40 nm
Pipelines	2x 1120	48
Texture fill rate	2x 50.4 GTexel / s billion / sec	7.2 GTexel / s
Thermal Design Power (TDP)	300 Watt	32 Watt
Transistor count	1,700 million	486 million
Video outputs and ports
Display Connectors	2x DVI, 1x HDMI, 2x mini-DisplayPort	1x DVI, 1x DisplayPort
Compatibility, dimensions and requirements
Interface	PCIe 2.0 x16	PCIe 2.0 x16
Length	304 mm	163 mm
Supplementary power connectors		None
API support
DirectX	11.2 (11_0)	10.1
OpenGL	4.4	3.3
Memory
Maximum RAM amount	2x 1 GB	512 MB
Memory bandwidth	2x 134.4 GB / s	12.32 GB / s
Memory bus width	2x 256 Bit	64 Bit
Memory clock speed	4200 MHz	1540 MHz
Memory type	GDDR5	DDR3