NVIDIA GeForce GTX 460 X2 vs AMD Radeon HD 6990

Comparative analysis of NVIDIA GeForce GTX 460 X2 and AMD Radeon HD 6990 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.

NVIDIA GeForce GTX 460 X2

AMD Radeon HD 6990

Differences

Reasons to consider the NVIDIA GeForce GTX 460 X2

2.3x lower typical power consumption: 160 Watt vs 375 Watt

Thermal Design Power (TDP)	160 Watt vs 375 Watt

Reasons to consider the AMD Radeon HD 6990

Around 18% higher core clock speed: 830 MHz vs 701 MHz
Around 17% higher texture fill rate: 2x 79.7 GTexel / s billion / sec vs 2x 39.3 GTexel / s billion / sec
4.6x more pipelines: 2x 1536 vs 2x 336
2.7x better floating-point performance: 2x 2,549.8 gflops vs 2x 941.5 gflops
2x more maximum memory size: 2x 2 GB vs 2x 1 GB
Around 39% higher memory clock speed: 5000 MHz vs 3600 MHz

Core clock speed	830 MHz vs 701 MHz
Texture fill rate	2x 79.7 GTexel / s billion / sec vs 2x 39.3 GTexel / s billion / sec
Pipelines	2x 1536 vs 2x 336
Floating-point performance	2x 2,549.8 gflops vs 2x 941.5 gflops
Maximum memory size	2x 2 GB vs 2x 1 GB
Memory clock speed	5000 MHz vs 3600 MHz

Compare benchmarks

GPU 1: NVIDIA GeForce GTX 460 X2
GPU 2: AMD Radeon HD 6990

Name	NVIDIA GeForce GTX 460 X2	AMD Radeon HD 6990
PassMark - G3D Mark		3014
PassMark - G2D Mark		532
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)

	NVIDIA GeForce GTX 460 X2	AMD Radeon HD 6990
Essentials
Architecture	Fermi	TeraScale 3
Code name	GF104	Antilles
Launch date	11 March 2011	8 March 2011
Place in performance rating	not rated	672
Type	Desktop	Desktop
Launch price (MSRP)		$699
Price now		$159.99
Value for money (0-100)		27.81
Technical info
Core clock speed	701 MHz	830 MHz
Floating-point performance	2x 941.5 gflops	2x 2,549.8 gflops
Manufacturing process technology	40 nm	40 nm
Pipelines	2x 336	2x 1536
Texture fill rate	2x 39.3 GTexel / s billion / sec	2x 79.7 GTexel / s billion / sec
Thermal Design Power (TDP)	160 Watt	375 Watt
Transistor count	1,950 million	2,640 million
Video outputs and ports
Display Connectors	3x DVI, 1x mini-HDMI	1x DVI, 4x mini-DisplayPort
Compatibility, dimensions and requirements
Interface	PCIe 2.0 x16	PCIe 2.0 x16
Length	292 mm	295 mm
Supplementary power connectors	2x 8-pin	2x 8-pin
API support
DirectX	12.0 (11_0)	11.2 (11_0)
OpenGL	4.6	4.4
Memory
Maximum RAM amount	2x 1 GB	2x 2 GB
Memory bandwidth	2x 115.2 GB / s	2x 160.0 GB / s
Memory bus width	2x 256 Bit	2x 256 Bit
Memory clock speed	3600 MHz	5000 MHz
Memory type	GDDR5	GDDR5